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Insider Ownership

US SEC Filing Intelligence · 100 digests

New to these filings? Learn what a Form 4 is · Schedule 13D vs 13G

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US Activist Hedge Fund Institutional SEC 13D 13G — October 30, 2026

The October 30, 2026 filing batch is dominated by Vanguard's routine 13G/A updates, with 46 of 50 filings representing passive index positions, many clustered just below the 5% threshold (4.92-4.99%) as Vanguard manages disclosure obligations across a $9T+ AUM platform. The most material developments are event-driven: Maplebear's (Instacart) merger with DoorDash triggered a Sequoia Capital voting agreement covering 18.6M shares (7.9%), while Yorkville's 13D on Ives Ultra AI reveals activist intent to push for a sale. Karpus Management continued aggressive accumulation of Western Asset Inflation-Linked Income Fund, now at 38.82% ownership, signaling a potential control contest at the closed-end fund. Quint Digital's 14.38% stake in Lee Enterprises, backed by a 10b5-1 purchase plan, sets up a potential board representation fight, while Prescott's 13D/A on World Acceptance shows a modest 88K share sale back to the issuer but maintains a 26.6% controlling stake. Across the batch, insider activity is minimal, but the presence of multiple 13D filings with activist language (Yorkville, Quint, Karpus) suggests a pickup in shareholder engagement activity heading into year-end.

7 high priority 43 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 29, 2026

The October 29, 2026 activist and institutional filing wave is dominated by passive 13G/A amendments (37 of 50 filings) reflecting routine quarterly position updates as of September 30, 2026, with only a handful of active 13D developments. The most consequential events are the EnerSys–Ultralife $16/share cash tender with a 39% holder support agreement, Bubble Holdings' $20M preferred investment in Zevia at $1.448/share with performance-contingent tranches, and a governance crisis at Visium Technologies where the sole director/9.43% holder issued a Good Reason notice amid a former CEO's financial-restatement warning. Activist pressure is building at Nano-X Imaging (8.49% holder opposing a 3x authorized-share increase ahead of a November 18 special meeting) and at Sharps Technology/SkyAI (9.99% holder locked into a tender support and three-year standstill at $0.17 per stapled warrant). Institutional flows show notable exits (CICC out of uCloudlink, Bigger Capital out of BTC Digital, UBS out of APEX Tech, Allen Family Capital fully out of Starz at $21.06–$28.20, D.E. Shaw below 5% in Gossamer after selling into an $8.37–$11.00 range) alongside new 5%+ crossings (Trails Edge in Avalo 5.2%, Carson LLC in GAIA 5.1%, Feis Equities in SPACCircle 9.89%, Fouad Ahmed in Robin Energy 43%). Deutsche Telekom's T-Mobile stake rose passively to 55.9% purely from buybacks, underscoring the mechanical drift of large holders in repurchasing companies.

14 high priority 36 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 28, 2026

This digest covers 50 SEC filings dated October 28, 2026 that fall within the Activist & Institutional Activity stream, focused on Major Shareholder events. The dominant pattern is passive institutional disclosure: roughly 35 of the 50 filings are Schedule 13G or 13G/A ownership reports under Rules 13d-1(b), (c) or (d), many from Bank of America subsidiaries reporting small stakes (typically 0.0% to 7% of class) with sole or shared power and no control intent. The most material developments are the activist and control-oriented filings: Trian Partners' Amendment No. 65 on The Wendy's Company describing a proposed take-private-style transaction with no financing condition, People Incorporated's voting agreement capping MGM Resorts ownership at 29.9% and voting at 25.73%, SunHydrogen's 42.7% strategic stake in NewHydrogen with board representation intent, Saba Capital's net-selling position in Adams Natural Resources Fund near NAV-discount prices, and HoldCo Opportunities' 5.0% stake in BankUnited with stated engagement with management. Several filings signal full exits or cessations of 5%+ status (Nathan's Famous after the Smithfield acquisition, Weave Communications after the Francisco Partners take-private, Cardinal Infrastructure, Hennessy Capital VII, Visium Technologies' former CEO), and the period-over-period data in the filings is largely limited because most 13G filings do not report prior-period comparisons, so trend analysis rests mainly on event dates, cap-table denominators and the explicit disclosures of sales, transfers and exits.

14 high priority 36 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 27, 2026

The 50-filing batch is dominated by passive Schedule 13G and 13G/A disclosures from BlackRock, First Trust, and affiliated institutional filers, nearly all tagged neutral and materiality 2-4/10, reporting ownership positions as of 09/30/2026 and filed 10/27/2026. The enriched fields in this batch are sparse: no period-over-period financial comparisons, forward guidance, insider transaction logs, or capital allocation data are present in the filing summaries, so quantitative trend analysis across companies is not supported by the data provided. The materially relevant developments are concentrated in a handful of 13D/A amendments involving genuine control or conviction signals: Dogwood Therapeutics (Sealbond rising to ~75.2% after a $5.0M private placement at $1.22/share), AI OKTO Corp. (Pani Corp. at ~77.2% after a spin-off distribution plus open-market buying of 130,000 shares), Pluri Inc. (CHLP crossing the 35% blocker at ~38.85%), CDT Equity (Corvus/Manoira/Regan at 22.1% after equity-settled fees and severance amid two reverse splits), and Red Robin (JCP/Jumana exiting board-level cooperation rights after director resignations). Concentration of ownership in micro-cap or thinly traded names (ETF shares, Dogwood, AI OKTO, CDT Equity) is the most notable portfolio-level pattern, while large-cap 13G filings from BlackRock are routine. Because most filings are administrative, the actionable intelligence is limited to a few control-consolidation and governance-exit events.

6 high priority 44 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 26, 2026

This digest covers 42 Schedule 13D/13G and amendment filings dated October 26, 2026, dominated by passive institutional disclosures (Amundi, Royce, Millennium, RA Capital, Viking, Third Rock) that signal routine portfolio rebalancing rather than control intent. The most material developments are control and contest situations: Surgery Partners' Bain-affiliated holders agreeing to roll over ~38% of equity into a going-private merger, XCF Global's EEME stake of 38-45% opposing a reverse split with take-private optionality, Brera Holdings' RBCH (18.3%) publicly criticizing H1 2026 results and pushing for board changes, and APPlife Digital's insider group claiming 60.3% of the company with heavily related-party-driven economics. Capital-structure stress is visible at Capstone Energy+, where Monarch holds 39.8% and a December 7, 2026 note maturity is forcing refinancing talks, and at SenesTech, where an activist is urging an end to dilutive equity raises. Exit and liquidity events cluster around the October 16-19 IPO and follow-on window (City Therapeutics, Alector, TCGX Acquisition Corp. II, Kalaris), with several lock-up expiries and 180-day restrictions now running. The Nathan's Famous merger closing into Smithfield and the Hepion share-for-membership exchange are the largest completed transactions. Period-over-period operating data is largely absent from these ownership filings, so trend synthesis relies on ownership deltas, price paid, and percent-of-class shifts rather than YoY revenue or margin figures.

17 high priority 25 medium 42 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 23, 2026

This Major Shareholder stream for 2026-10-23 covers 36 Schedule 13G/13D filings, nearly all passive ownership disclosures from institutional advisers (Royce & Associates/Franklin Resources, City of London Investment Management, Cooke & Bieler, Deep Track Capital, Squadron, Millennium) with a small set of genuine activist or control-relevant events. The most material developments are the Perfect Corp. merger exit (CyberLink now holds 68.01% of the surviving company after a $2.00/share cash-out of Class A holders), the Abeona Therapeutics activist escalation (Russell moved from 13G to 13D and is pressing for executive change and board refreshment at a 6.1% stake), and the Rent the Runway backstop-driven accumulation by the Story3/Nexus/CHS investor group, which collectively reports roughly 86.2% affiliated ownership against a 37,999,472-share Class A base. Insider-style signals are mixed: Radoff (Identiv) sold roughly 802,000 shares on October 21-23 after open-market buying at $2.32-$2.94 and a tender offer filing, while Alford (Lion Copper & Gold) kept buying at $3.84-$4.98 and Clarion Partners' Franklin entities show net redemptions alongside private purchases from the issuer. Period-over-period data is sparse in these filings because most are routine holding reports, so the cross-filing read is primarily about ownership concentration, control transitions and exit events rather than margin or revenue trends. Several filings carry dated events (Oct 1 SPAC sponsor handover, Oct 6 Bradbury business combination, Oct 16 DevvStream merger, Oct 19 Freight reverse split) that were already reflected in the October 23 filing date, so the market impact is largely already in the price.

12 high priority 24 medium 36 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 22, 2026

The 50 filings in this stream are dominated by routine passive Schedule 13G and 13G/A disclosures, most of which are sponsor, adviser, or bank holding-company reports on fund and ETF stakes with neutral sentiment and materiality of 2-4/10. The material activity is concentrated in a small set of genuine ownership events: EdgePoint's 17.68% Schedule 13D stake in Mattel with a board cooperation agreement (materiality 8/10), Gary Bowman's insider backing of the $43.00 take-private of Bowman Consulting, Glenbrook Capital's accelerating open-market accumulation toward 40% of SenesTech, and Everrise Holdings' 34.51% stake in ATA Creativity Global with stated intent to influence strategy. Several filings are explicitly mechanical, including Indaptus dilution-driven percentage declines, the NorthStrive over-allotment forfeiture, and Suncrete internal distributions, so they carry no real trading signal. The stream's enriched period-over-period financial data is largely absent because most filings are ownership-only reports, which limits quantitative margin or growth comparisons. Overall the signal is that activist and large-holder conviction is building around a few targets, while the institutional ETF-sponsor filings are background noise.

15 high priority 35 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 21, 2026

This digest covers 40 Schedule 13D/13G filings dated October 21, 2026, spanning passive institutional stakes, activist-style positions, and one live control event. The dominant development is the Holcim/Inversiones cash tender offer for Cementos Pacasmayo at S/ 8.93 per share, a potential take-private of a company Holcim already controls at 50.01%, with the offer expiring November 20, 2026. Event-driven activity is concentrated in a few names: Hertz (50.9% stake and a JV-linked exchangeable note repurchase at a 60% discount to par), Sachem Head's 9.99% position in Ionic Digital, Saba's pressure on Blackstone Long-Short Credit Income Fund at a discount to NAV, and Hampton Financial's hostile letter to Icon Energy. Passive 13G filings are dominated by Baillie Gifford (roughly eight amendments, many showing reduced or changing positions across high-growth names such as Sea, Samsara, Reddit, Remitly and QXO) and Royce & Associates (roughly six amendments across small caps). Most filings are neutral and routine; the actionable signal set is concentrated in control contests, discount-to-NAV situations, dilution-driven ownership shifts and insider sales, not in broad sector trends. Enriched period-over-period fields were largely not populated in the filing summaries, so quantitative trend claims below are limited to what the filings explicitly report.

10 high priority 30 medium 40 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 20, 2026

This digest covers 46 Schedule 13D/13G filings dated October 20, 2026, the majority of which are passive institutional disclosures (Rule 13d-1(b)/(c)) from banks, asset managers and fund advisers reporting ownership as of September 30 or October 13, 2026. The genuinely activist or control-relevant items are concentrated in a handful of names: Innventure (Ascent Capital's 10.72% stake and a letter opposing a planned $60 million stock sale as undervaluing the company), Phunware (Goldenwise's 9.1% stake, a board nominee and hedged option positions), Prospect Capital (Barry family accumulating toward 25.2% via open-market buying and dividend reinvestment), Sturm Ruger (Beretta's tender offer leaving it at roughly 25.0%), and Agassi Sports Entertainment (Amendment No. 7 documenting multiple related-party financings). A recurring pattern is fund-liquidation and reorganization activity: Saba Capital fully exited Voya IHD and IAE after their October 16 liquidation, while continuing net selling in NYLI MEGI, a sign of fading conviction in discount-to-NAV closed-end funds. Several filings reflect exits or consolidations rather than new accumulation, including Geneva's complete i3 Verticals exit, Picton Mahoney's zero position in Launch One, and the Beazer Homes take-private at $33.50 per share effective October 20. Quantitative period-over-period data is sparse in the source summaries, so most cross-company comparisons below rely on holding sizes, percentages and transaction counts rather than revenue or margin trends.

15 high priority 31 medium 46 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 19, 2026

This Activist & Institutional Activity digest covers 50 SEC filings dated October 19, 2026, almost all of them routine Schedule 13G/13D disclosures for the 2026-10-19 reporting window. The population is dominated by passive institutional holders: First Trust entities filed roughly 20 joint 13G/As on ETFs, UITs and closed-end vehicles, AIGH Capital (Hirschman) filed a cluster of 13Gs on micro-cap biotech and tech names, and Pzena and Truist filed a series of passive positions. Genuine event-driven activism is concentrated in a small number of 13D/As: Glenbrook Capital's public campaign at SenesTech (38.04% stake, $4.33M of purchases in Oct 15-19, dilution-focused letter), BW Group exiting Navigator Holdings (sold ~3.1M shares over ~3 weeks, now below 5%), United Refining's open-market accumulation of 1stdibs.com (~7.8%), and insider-controlled 13D/As at JX Luxventure (CEO at 25.61% after a 1,000,000-share grant) and Karbon-X. Sell-side and quantitative period-over-period comparisons were not supplied for most filings, so the trend analysis below is limited to the explicit share-count, percentage and transaction data in the filings. The ETF/fund-sponsor filings are high-volume but low-information, and the most actionable items are SenesTech, Navigator, 1stdibs, JX Luxventure and BayFirst.

7 high priority 43 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 16, 2026

Across the 50 filings, the dominant theme is passive and mid-sized institutional positioning: the large majority are Schedule 13G/13G-A disclosures by investment advisers, banks, and hedge funds reporting stakes in the 5-10% range, which carry limited near-term signal on their own. The more material developments cluster in a handful of event-driven situations: the Clear Channel Outdoor take-private at $2.43/share, Eli Lilly's 19.9% stake in TRex Bio alongside Pfizer's 7.2% position, PIMCO's 48.8% FreightCar America stake and the rights-plan termination agreement, Holcim's pending mandatory tender for Cementos Pacasmayo at roughly 50% ownership, and XCF Global's acquisition-driven control shift to EEME Energy. Insider and holder selling was concentrated and notable: Comstock (MAK Capital) sold roughly 1.0M shares as the price fell about 31%, Newegg's Tekhill sold on 31 of 32 trading days as the price fell from roughly $15.87 to $11.30, and Shah Capital's Novavax sale of 2.87M shares contrasted with accumulation elsewhere. Accumulation signals were clearer in Silvercrest (Equinox building a 10.3% stake), Funko (net purchases of about 50,000 shares), and CytoMed (chairman buying in the open market at about $0.86). Several filings reflect regulatory and structural housekeeping, notably Shah Capital's ADV-W withdrawal and its move from 13D to 13G across VEON and Novavax, and Vereniging Aegon's 40-for-1 conversion and buyback program, which add complexity but not direct price catalysts. Quantitative period-over-period data was sparse in these filings, so most conclusions rest on ownership levels and transaction prices rather than reported YoY or QoQ financial trends.

22 high priority 28 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 15, 2026

Across the 47 filings, the dominant activity is passive institutional 13G disclosures (roughly two-thirds of the set), with a smaller but high-materiality cluster of contested or transformational control events. The most material developments are the PAG take-private at $212.00 cash by the Penske/Mitsui investor group (materiality 9/10, with a $383M termination fee and an Outside Date of October 15, 2027), the Reliance Global Group proxy-contest demand to remove all five directors, and the Psyence Biomedical control-level stake of 49.75% obtained via share swap. Activist and strategic-intent 13Ds are concentrated in small and micro-cap names: Third Point at Strata Critical Medical (5.8%, explicit call for strategic alternatives including a sale), Fairmount at Alaunos (capped at 19.99% with far larger convertible preferred exposure), and Ruen Hua at Gogoro (21.92% with governance ties). Insider and sponsor selling is visible at Bleichroeder/MDxHealth (17 open-market sales at $0.51-$0.67, 32% stake) and Liontrust/MaxCyte, while Saba and Drew Holdings are accumulating (Drew bought 2.75M Borr shares at $4.27-$4.93, bringing it to 13.1%). Period-over-period comparisons are largely absent in the source data because most filings are ownership snapshots rather than financial reports, so trend analysis is limited to position changes and transaction prices. Recent M&A and exit events (LogicMark $1.31 cash-out, Alaunos/Velaris merger, PAG take-private) indicate a live take-private and consolidation environment among small caps.

17 high priority 30 medium 47 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 14, 2026

The 46 filings in this Activist & Institutional Activity stream are dominated by routine passive Schedule 13G/A amendments from First Trust-related reporting persons (roughly 20 of 46), which carry little market signal beyond confirming stable holdings in closed-end funds and ETFs. The genuinely actionable developments are concentrated in a small cluster of event-driven and activist situations: Bumble's pending $6.05/share take-private backed by a written consent from holders of a voting majority, Saba Capital's continued campaigns at BlackRock TCP Capital and Virtus Dividend, Interest & Premium Strategy Fund (including a tender-offer tender of 8.24M shares at $15.92), GigCapital8/WISeSat's Quantisimo business combination (closing targeted Q1 2027 and conditional on at least $15M cash), and GoldenTree's accumulation of 25.4% of QVC Group. Position sizing and governance intent diverge sharply across the group: some holders (Pale Fire in Dole, GoldenTree in QVC, Franklin Street group in FSP) are accumulating, while Mubadala fully exited Evotec, Navigator's BW Group is steadily selling 100,000 shares per session, and New Fortress Energy's largest holder has fallen below 5% after its restructuring and 1-for-50 reverse split. Available filings do not contain period-over-period financial metrics, forward guidance, or insider-compensation data, so the synthesis relies on ownership changes, transaction prices, and disclosed intent rather than fundamental trend comparisons. Materiality is highest for the Bumble, MDA Space, QVC, Dole, and WISeSat situations, and these warrant priority monitoring.

17 high priority 29 medium 46 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 13, 2026

Across 50 Schedule 13D/13G filings dated October 13, 2026, the dominant theme is passive institutional repositioning (JPMorgan, Royce, Millennium, Streeterville, Heights/CVI, Jane Street) rather than activist campaigns, with most filings being routine 13G amendments or exits. The most material developments are the Getty Images restructuring support agreement (Koch-affiliated KED Parties and majority shareholders, 45.5% aggregate holders) that cancels all public Class A equity and warrants with no distribution, a prepackaged Chapter 11 recapitalization that is severely negative for public holders, and the TETE/Bradbury Capital business combination that left insider Loo See Yuen with ~52.7% of shares after a $1.1B share-based deal. Insider and sponsor conviction signals are mixed: Ryan Cohen added to GameStop at $26.75-$27.00, Dr. Kukes and Kenneth Lehman added to PEDEVCO and BayFirst (39.4%) respectively, Drew Holdings (Troim) rapidly accumulated Borr Drilling (~9.6M shares in 60 days), while several large holders fully exited (Pacira ~2.94M shares at $36.29, Sono Group, Alpha Modus, Smith Douglas). Quantitative period-over-period data is sparse in these filings, so most trend analysis is qualitative; capital allocation and financial ratio data largely absent, limiting cross-company margin or growth comparisons. Overall market implication: holder-level stake changes are modest signals and should be weighed against underlying corporate events (restructuring, SPAC closings, dilution).

15 high priority 35 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 09, 2026

This digest covers 50 Schedule 13D/13G and amendment filings for the 'Activist & Institutional Activity' stream, all dated 2026-10-09 with event dates clustered around September 30 and October 2026. The population is dominated by passive institutional disclosures under Rule 13d-1(b) and 13d-1(c): Wasatch Advisors LP alone appears in roughly 17 filings, and Calamos, Sachem Head, Glazer Capital and Frazier entities each contribute several more. Only a small number of filings reflect genuine control or activist intent, most notably Omnitek Engineering (Hard Rock Holdco, 85.2% reported beneficial ownership and a control purpose), Melco Resorts (Melco group at 62.6% with delisting/deregistration under evaluation), Gogoro (Gold Sino and Mr. Yin acquiring new shares at US$2.48 with closing by October 13, 2026), and Nexpu/Top KingWin (CEO at 90.71% voting power through Class B shares). The enriched period-over-period fields are largely absent in these filings: most report ownership percentages and voting-power splits rather than revenue, margin or guidance trends, so quantitative trend synthesis is limited and I have not manufactured comparisons. The clearest signals are concentrated control, insider-driven share accumulation, and a set of exits or reductions (Sotera Health full exit by Sachem Head; INVO Fertility reduction from 40,000 to 35,000 shares). Several filings are of low relevance to an activist or major-shareholder focus (routine passive holdings in closed-end funds, ETFs and SPAC warrants) and are treated with low materiality.

9 high priority 41 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 08, 2026

The 50 filings are overwhelmingly routine Schedule 13G passive-ownership disclosures, with a single Dimensional Fund Advisors LP filing cadence dominating the batch, all dated October 8, 2026 and reporting holdings as of September 30, 2026 (or July 14 for Cue Biopharma). Most positions cluster around the 4.1%-6.7% range, with Dimensional filings disclaiming control intent, so the batch signals broad index-style institutional accumulation rather than activism. Only a handful of filings carry genuine event-driven content: Elliott's Seadrill 13D/A showing net selling into a rally with ~11.7% combined economic exposure, Skydance's change in indirect control of Anghami (~71.3% as-converted) following the WBD acquisition, and TBG AG's 16.4% stake in ESCO Technologies from its Megger sale consideration. Enriched period-over-period, insider, forward-looking, and capital allocation fields are largely absent from these filings, so quantitative trend analysis is limited to share-count changes in amended filings, which were mostly small increases of 1-5%. The main market implication is that the most actionable items are the Elliott sell-down (potential overhang) and the lock-up/board-designation mechanics at ESCO; the Dimensional filings are informational only.

3 high priority 47 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 07, 2026

The October 7, 2026 filing batch reveals a market dominated by passive institutional repositioning, with Fidelity (FMR LLC) alone accounting for 24 of the 50 filings, adjusting stakes across a diverse portfolio including significant positions in Repligen (13.0%), Skyworks (12.6%), and ExlService (12.0%). Notable activist and strategic moves include Mid Penn Bancorp's regulatory approval to potentially increase ownership to 24.99%, Bitfury's forward contract settlements reducing its Cipher Mining stake, and Stone House Capital's exit from Designer Brands options. Insider activity is limited but telling: Madrone Partners sold 750,000 StoneCo shares at an average $11.90, while Pompliano's passive stake in Silvia rose to 18.45% purely from buybacks. The overall sentiment is neutral, with no major guidance changes or aggressive capital allocation shifts, but the data reveals a clear pattern of large investors trimming or maintaining positions rather than accumulating, suggesting a cautious stance. Key sector themes include continued institutional conviction in biotech and semiconductors, passive ownership creep in small caps, and a notable absence of activist campaigns, indicating a wait-and-see approach ahead of earnings season.

7 high priority 43 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 06, 2026

This digest of 50 SEC filings reveals a market dominated by passive institutional stake adjustments and a few high-conviction activist and control events. The most significant development is the resolution of a proxy contest at Evogene Ltd., where an activist group secured four of seven board seats, signaling a major governance shift. Concurrently, Whitebox Advisors secured a board nomination right at KLX Energy Services after a $19M backstop exchange, while a new controlling shareholder took an 81.48% stake in AGM Group Holdings. On the institutional side, Wellington Management increased its stakes in Redwood Trust (to 17.0%) and Latham Group (to 10.2%), while Capital World Investors disclosed new or increased passive positions in Skyworks Solutions (10.1%), New Fortress Energy (12.2%), and Aura Minerals (10.2%). A notable pattern is the significant passive accumulation in SPACs by Wolverine Asset Management, which disclosed stakes in 10 different blank-check companies, suggesting a strategy of diversified arbitrage. The only clear exit signal came from Starboard Value, which liquidated its entire Qorvo stake following the Skyworks merger. Overall, the period shows a mix of passive rebalancing, targeted activist engagement, and a few transformative control transactions.

11 high priority 39 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 05, 2026

The October 5, 2026, batch of 50 SEC filings reveals a dominant theme: a massive, coordinated portfolio rebalancing by BlackRock, Inc., which filed 31 amended or new Schedule 13Gs. This wave of filings, all as of September 30, 2026, shows BlackRock making both significant increases and decreases in passive stakes across a wide range of sectors, including technology (Toast, Trade Desk), energy (PBF Energy, Delek US), healthcare (Alignment Healthcare, Arcutis Biotherapeutics), and financials (WesBanco). The most notable period-over-period trends include BlackRock increasing its stake in Delek US Holdings to 14.8% and in WesBanco to 14.2%, while simultaneously exiting its position in ONEOK entirely. Outside of BlackRock, the filings highlight a controlling stake change at Hertz Global Holdings with a board member resignation, a significant share sale by BW Group in Navigator Holdings, and a complete exit by Ascent Partners from C3is Inc. The overall sentiment is neutral, reflecting routine passive ownership updates, but the sheer volume and specific changes point to a strategic shift in BlackRock's portfolio allocation, warranting close monitoring for sector-level implications.

2 high priority 48 medium 50 total filings
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US Activist Hedge Fund Institutional SEC 13D 13G — October 02, 2026

The October 2, 2026, batch of 50 filings reveals a landscape dominated by passive institutional position adjustments and a few high-conviction activist/insider moves. The most significant activist signal comes from **Ryan Cohen's (GameStop)** continued accumulation, purchasing $17M in shares, reinforcing a bullish stance. A major corporate action is the **SoundThinking** privatization at $8.00/share plus CVRs, creating a near-term catalyst for shareholders. Conversely, we see notable insider exits, including a **Stardust Power** CTO selling his entire above-5% stake, and the **VerifyMe** merger closing, which dilutes a former insider. A recurring theme is the concentration of ownership in micro-cap and special situation companies, such as **GOWell Energy** (74% holder) and **Aterian** (dual 10% stakes from Malaysian investors). The municipal bond fund space shows stable, passive accumulation by firms like **Sit Investment Associates**, indicating a 'risk-off' rotation into income vehicles. Overall, the digest points to a bifurcated market: aggressive insider buying in select growth/activist names versus a broader trend of passive, yield-seeking capital allocation.

19 high priority 31 medium 50 total filings