US Activist Hedge Fund Institutional SEC 13D 13G — June 25, 2026

25-06-2026

LakeShore Biopharma Co., Ltd. completed its merger with a parent company on June 24, 2026, becoming a wholly owned subsidiary. Shareholders approved the transaction on June 19, 2026, and ordinary shareholders receive $0.066 per share cash consideration. As a result, all reporting persons ceased to be beneficial owners of more than 5% of the company's shares, and the company's securities will be delisted from OTC Pink, with trading symbols to be removed.

• · The merger was approved by shareholders at an extraordinary general meeting on June 19, 2026.
• · The Plan of Merger was filed with the Cayman Islands Registrar of Companies and became effective on June 24, 2026.
• · Excluded shares and dissenting shares were cancelled without any payment.
• · 2020 Plan options and RSUs that were unvested became fully vested at the closing and were cancelled for cash consideration equal to the excess of $0.066 per share over the exercise price (for options) or $0.066 per share (for RSUs).
• · 2024 Plan options and RSUs were assumed by the Parent under a new equity incentive plan, with terms adjusted by an exchange ratio based on the per share consideration and fair market value of parent shares.
• · The company intends to file a Form 15 to suspend its SEC reporting obligations.
• · No transactions in ordinary shares were effected by reporting persons during the past 60 days.

25-06-2026

GreenTech Investment Alliance Ltd. disclosed a 6.62% beneficial ownership stake in Ryde Group Ltd's Class A ordinary shares as of April 17, 2026, representing 9,926,872 shares. The filing, made under Rule 13d-1(c), indicates the shares were not acquired with the purpose of changing or influencing control of the issuer.

• · GreenTech Investment Alliance Ltd. is based in the British Virgin Islands.
• · The filing was made under Rule 13d-1(c), indicating passive investment intent.
• · The beneficial ownership date is April 17, 2026.
• · Total voting power calculation: Class A shares have 1 vote per share, Class B shares have 10 votes per share.

25-06-2026

BW Group Ltd filed an amended Schedule 13D disclosing a 9.87% beneficial ownership stake in Navigator Holdings Ltd., representing 6,089,011 common shares. However, BW Group sold a total of 801,737 shares in open market transactions between May 20 and June 24, 2026, at average prices ranging from $21.83 to $23.92, indicating a reduction in its position.

• · BW Group sold shares on 8 separate trading days from May 20 to June 24, 2026.
• · Largest single-day sale: 207,327 shares on May 20, 2026 at average price $23.92.
• · Lowest average sale price: $21.83 on June 24, 2026.
• · Highest average sale price: $23.92 on May 20, 2026.
• · The filing is Amendment No. 4 to the original Schedule 13D filed December 28, 2020.

25-06-2026

Helix Partners Management LP and affiliated entities (collectively Helix) acquired a 25.3% stake in Office Properties Income Trust (OPIRQ) as part of its emergence from Chapter 11 bankruptcy. Helix received 5,551,703 common shares, $134.66M in Secured Exit Notes, and warrants for 13,314 shares, and now holds significant governance rights including board representation with Jonathan Heller appointed Chairman. This filing marks a major shift in control following the bankruptcy reorganization.

• · The filing reports that none of the Reporting Persons has had any criminal or civil securities law violations in the last five years.
• · The warrant exercise price is $25.00 per share, and the warrants expire on June 17, 2033.
• · The board observation rights agreement allows Helix to appoint one non-voting observer as long as ownership is 15% or more.
• · The bankruptcy plan was confirmed by the Bankruptcy Court on April 22, 2026, and the effective date was June 17, 2026.
• · No transactions in Common Shares were effected by the Reporting Persons in the past 60 days, aside from those described in the filing.

25-06-2026

Perceptive Advisors LLC and affiliated entities (Joseph Edelman, Perceptive Life Sciences Master Fund, Ltd., and Perceptive Capital Solutions Holdings LP) filed a Schedule 13D disclosing aggregate beneficial ownership of 8,254,144 shares of Kardigan, Inc. common stock, representing 8.9% of the outstanding shares. The stake was acquired primarily through the automatic conversion of Series A Convertible Redeemable Preferred Stock into 8,200,661 common shares upon Kardigan's IPO on June 17, 2026. The filing also notes a 180-day lock-up agreement restricting share sales following the IPO.

• · Perceptive Advisors and Joseph Edelman each report beneficial ownership of 8,254,144 shares (8.9%).
• · Perceptive Life Sciences Master Fund, Ltd. directly holds 2,460,195 shares (2.7%).
• · Perceptive Capital Solutions Holdings LP directly holds 5,740,466 shares (6.2%).
• · Douglas Giordano holds options for 113,513 shares; 53,483 are currently exercisable or exercisable within 60 days.
• · The lock-up agreement restricts share sales for 180 days from the date of the IPO prospectus.
• · Perceptive Advisors was previously subject to an SEC settlement order dated September 6, 2022 (File No. 3-21031).

25-06-2026

Sculptor Capital LP and its affiliates filed a Schedule 13G with the SEC on June 25, 2026, disclosing beneficial ownership of 1,193,500 Class A ordinary shares of Wilco 63 Corp, representing a 5.19% stake. The filing is a passive investment disclosure under Rule 13d-1(c), indicating the shares were not acquired to influence control of the issuer.

• · The filing is made pursuant to Rule 13d-1(c), indicating a passive investment intent.
• · Sculptor Master Fund, Ltd. is the direct holder of the shares, with Sculptor Capital LP as investment adviser.
• · The issuer's total outstanding shares are 23,000,000 Class A ordinary shares as of June 24, 2026.
• · The filing includes a certification that the securities were not acquired to change or influence control of the issuer.

25-06-2026

Point72 Asset Management, L.P., along with Point72 Capital Advisors, Inc. and Steven A. Cohen, filed a Schedule 13G on June 25, 2026, disclosing beneficial ownership of 3,921,912 shares of BlockchAIn Digital Infrastructure, Inc. common stock, representing a 5.2% stake as of June 24, 2026. The shares are held by Point72 Associates, LLC, an investment fund managed by Point72 Asset Management. The filing indicates a passive investment intent, with no purpose of changing or influencing control of the issuer.

• · The filing is made pursuant to Rule 13d-1(c), indicating a passive investor exemption.
• · Cubist Systematic Strategies, LLC acts as a sub-advisor for a portion of the reported shares.
• · Point72 Asset Management, Point72 Capital Advisors Inc., and Steven A. Cohen have entered into a Joint Filing Agreement.
• · Point72 Associates has the right to receive dividends from or proceeds from the sale of more than 5% of the outstanding shares.
• · The filing certifies that the securities were not acquired to change or influence control of the issuer.

25-06-2026

Jane Street Group, LLC disclosed a 5.1% beneficial ownership stake in Leslie's, Inc. (LESL) as of June 18, 2026, holding 478,146 shares of common stock. The filing was made under Rule 13d-1(c) and certifies the shares were not acquired with the purpose of changing or influencing control of the issuer.

• · The filing was made under Rule 13d-1(c), indicating the shares were acquired in the ordinary course of business and not with the purpose of changing or influencing control.
• · Jane Street Group, LLC is a Delaware limited liability company with its principal business address at 250 Vesey Street, 3rd Floor, New York, NY 10281.
• · The filing includes a power of attorney (POA) as an exhibit.

25-06-2026

Steel Partners Holdings L.P. and its affiliates disclosed a 18.7% beneficial ownership stake in Spruce Power Holding Corp (SPRU) as of June 23, 2026, through SP Strategic Holdings LLC's direct ownership of 3,429,380 shares. The filing also reveals that Jack L. Howard, who owns 50,000 shares (less than 1%), has been nominated for election to Spruce Power's Board of Directors at the upcoming 2026 annual meeting, following discussions between the company and the reporting persons regarding governance and a potential redomiciling to Texas. No transactions in shares occurred during the past 60 days.

• · Effective May 29, 2026, Steel Connect Sub LLC changed its name to SP Strategic Holdings LLC.
• · Jack L. Howard was recommended for nomination by the CEO and nominated by the Nominating and Corporate Governance Committee.
• · No transactions in shares were reported by any reporting person during the past 60 days.
• · The filing amends Items 2(a), 3, 4, 5(a), 5(b), and 5(c) of the prior Schedule 13D.

25-06-2026

Bleichroeder LP filed an amended Schedule 13D disclosing its beneficial ownership of 5,247,467 shares (19.9%) of Identiv, Inc. as of June 25, 2026. The filing details a Voting and Support Agreement entered into on June 24, 2026, in connection with Identiv's Stock and Asset Purchase Agreement with Trackonomy Systems, Inc., under which Bleichroeder agreed to vote its shares in favor of the transaction. Additionally, a Governance Letter Agreement grants Bleichroeder board nomination rights and other governance provisions, while capping its voting power at 40% of outstanding stock.

• · Bleichroeder has sole voting and dispositive power over all 5,247,467 Shares.
• · The Voting Agreement terminates upon the earlier of: stockholder meeting vote conclusion, termination of Purchase Agreement, or written agreement between Buyer and Voting Agreement Parties.
• · Bleichroeder is not required to vote in favor of the Transaction if the Purchase Agreement is amended without its consent to reduce consideration or otherwise materially adversely affect stockholders.
• · Governance Letter Agreement includes a three-year commitment by Identiv not to amend bylaws to prevent stockholders holding 10% or more from calling special meetings.
• · Bleichroeder agreed that if it acquires more than 40% of voting stock, it will vote shares above that threshold in proportion to other stockholders.
• · The restrictions on business combinations under Section 203 of the Delaware General Corporation Law are no longer applicable to Bleichroeder.

25-06-2026

Glazer Capital, LLC and its managing member Paul J. Glazer disclosed a 5.81% beneficial ownership stake in AstroNova, Inc. as of June 18, 2026, holding 449,920 shares of common stock. The filing is a Schedule 13G, indicating a passive investment intent, and the stake was acquired on behalf of managed funds, notably Glazer Capital Enhanced Master Fund, Ltd.

• · The stake was acquired under Rule 13d-1(c), reflecting a passive investment intent.
• · Glazer Capital serves as investment manager for the funds holding the shares (the 'Glazer Funds').
• · The filing was made on June 25, 2026, with an effective date of change of June 18, 2026.

25-06-2026

Avenue Venture Opportunities Fund II, L.P. and related entities filed an amended Schedule 13G disclosing beneficial ownership of 4,641,163 shares of CalciMedica common stock, representing 4.99% of the outstanding shares as of June 24, 2026. The filing reflects amendments to a loan agreement that increased the outstanding principal to $10 million and includes a 4.99% blocker provision preventing conversion of the loan into shares that would exceed this ownership threshold. The blocker can be increased to up to 19.99% upon 61 days' notice.

• · The original Loan Agreement provided for up to $32 million in capital growth loans in three tranches, with Tranche I funded on February 28, 2025, and Tranches II and III available between September 2025 and March 2026 subject to milestone achievements.
• · The First Amendment to Loan Documents was entered into on June 23, 2026.
• · The blocker provision can be changed to up to 19.99% at the Reporting Persons' election upon at least 61 days' notice to the Issuer.
• · In lieu of common stock conversion that would exceed the 4.99% blocker, pre-funded warrants to purchase shares of common stock (also with a 4.99% blocker) may be issued.
• · The filing is Amendment No. 3 to the Schedule 13G originally filed on May 28, 2025.

25-06-2026

Philotimo Fund, LP and related entities (Kanen Wealth Management, David Kanen) filed a Schedule 13D on June 25, 2026, disclosing aggregate beneficial ownership of 4,793,041 shares (9.8%) of Allot Ltd. The group engaged with management and the board regarding value creation, and following Allot's June 23, 2026 announcement of a $40 million share repurchase program, the Reporting Persons stated they no longer hold shares with a purpose of changing control and intend to file future reports on Schedule 13G. David Kanen previously settled SEC charges for late beneficial ownership filings, paying a $109,000 penalty.

• · David Kanen settled SEC cease-and-desist proceedings on September 25, 2024 for failing to timely file Schedules 13D and 13G, paying a $109,000 penalty.
• · Philotimo Fund, LP has not entered into any transactions in Allot shares during the past 60 days.
• · PHLOX has not entered into any transactions in Allot shares during the past 60 days.
• · KWM and David Kanen conducted several open-market trades in the past 60 days, including purchases at prices ranging from $7.2199 to $7.6480 and sales at prices from $7.62 to $8.6058.
• · The Reporting Persons disclaim beneficial ownership of shares they do not directly own.
• · The group intends to file future reports on Schedule 13G under Rule 13d-1(c), indicating a passive investment intent.

25-06-2026

Les Filles, LLC, Tungsten III LLC, and Michael A. Parker filed a Schedule 13G disclosing beneficial ownership of 78,178,797 shares of SRX Global Inc. (formerly SRx Health Solutions, Inc.) common stock, representing 6.2% of the outstanding shares. The filing is made jointly by the entities and Mr. Parker, who is the manager of both LLCs. The ownership is passive in nature, as certified by the filers.

• · The filing is a Schedule 13G, indicating passive investment intent.
• · The transaction with EMJ Crypto Technologies Inc. and CCC Crypto Corp. closed, increasing outstanding shares to 1,270,326,395.
• · The Reporting Persons' business address is 4020 E Indian School Rd, Phoenix AZ 85018.
• · The issuer's principal executive offices are at 12400 Race Track Road, Tampa, Florida 33626.
• · The filing was made on June 25, 2026, with an event date of June 17, 2026.

25-06-2026

EcoR1 Capital, LLC and its affiliates disclosed a 9.0% beneficial ownership stake in Fulcrum Therapeutics, Inc. as of June 17, 2026, holding 6,000,000 shares of common stock. The filing is a Schedule 13G, indicating passive investment intent, and includes EcoR1 Capital Fund Qualified, L.P. with 5,614,199 shares (8.4%) and Oleg Nodelman as control person. No period-over-period comparisons are available as this is an initial filing.

• · The filing is a Schedule 13G (passive investment), not 13D (activist).
• · EcoR1 Capital Fund Qualified, L.P. holds 5,614,199 shares (8.4%).
• · Oleg Nodelman is the control person of EcoR1 Capital, LLC.
• · All reporting persons disclaim beneficial ownership except for their pecuniary interest.
• · The filing date is June 25, 2026, with event date of June 17, 2026.

25-06-2026

Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander filed a Schedule 13G with the SEC on June 25, 2026, disclosing beneficial ownership of 82,694 Class B Subordinate Voting Shares of Xanadu Quantum Technologies Ltd, representing 0.2% of the outstanding shares. The filing indicates that after acquiring more than 5% of the shares on June 17, 2026, the reporting persons ceased to be beneficial owners of more than 5% by the date of this filing, reflecting a significant reduction in their stake.

• · The reporting persons acquired beneficial ownership of more than 5% of the outstanding Class B Subordinate Voting Shares on June 17, 2026, but subsequently reduced their stake to 0.2% by the filing date.
• · The securities are held by entities subject to voting control and investment discretion by Millennium Management LLC and/or other investment managers controlled by Millennium Group Management LLC and Israel A. Englander.
• · The filing is made pursuant to Rule 13d-1(c), indicating the reporting persons are passive investors not seeking to influence control of the issuer.
• · A Joint Filing Agreement was executed on June 24, 2026, among the three reporting persons.

25-06-2026

Takeover Time 2026 LLC, managed by Natasha Ovsepyan, filed an amended Schedule 13D disclosing that it sold all 3,420,439 shares of Aditxt, Inc. common stock on June 23, 2026, reducing its beneficial ownership from a previously reported position to 0%. The reporting person now holds 0 shares and 0.0% of the outstanding common stock, with no voting or dispositive power.

• · The sale was executed in open market and/or brokerage transactions on June 23, 2026.
• · The reporting person has no contracts, arrangements, understandings, or relationships with any person with respect to securities of the issuer.
• · No person is known to have the right to receive or direct the receipt of dividends or proceeds from the sale of any shares.

25-06-2026

Baselake Partners, LP, along with its investment manager Baselake Management, LLC and managing member David Paolella, filed a Schedule 13G disclosing beneficial ownership of 235,058 shares of Passage Bio, Inc. common stock, representing a 7.3% stake as of June 18, 2026. The filing indicates passive investment intent, with no intention to change or influence control of the issuer.

• · The filing is made under Rule 13d-1(c), indicating passive investment intent.
• · Each reporting person disclaims beneficial ownership except for their pecuniary interest.
• · The percentage ownership is based on the issuer's 10-Q statement of 3,207,810 shares outstanding as of May 7, 2026.

25-06-2026

ICS Opportunities, Ltd., along with Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander, filed a Schedule 13G on June 25, 2026, disclosing beneficial ownership of 17,500 Class A Ordinary Shares of Horizon Quantum Holdings Ltd. (formerly Horizon Quantum Holdings Pte. Ltd.), representing 0.1% of the class. The filing indicates that after acquiring more than 5% of the outstanding shares on June 17, 2026, the reporting persons ceased to be beneficial owners of more than 5% by the filing date, reflecting a significant reduction in their stake.

• · The filing is made pursuant to Rule 13d-1(c), indicating the reporting persons are passive investors.
• · The issuer changed its name from Horizon Quantum Holdings Pte. Ltd. to Horizon Quantum Holdings Ltd. on December 30, 2025, and from Rose Holdco Pte. Ltd. on September 24, 2025.
• · The reporting persons ceased to be beneficial owners of more than 5% of the outstanding Class A Ordinary Shares by the date of this filing, after having crossed the 5% threshold on June 17, 2026.
• · The percentage of class reported gives effect to shares deemed outstanding under Rule 13d-3(d)(1)(i), including warrants exercisable within 60 days.

25-06-2026

Mantle Ridge LP distributed 10,476,108 shares of Dollar Tree common stock to its limited partners on June 24, 2026, reducing its beneficial ownership to approximately 0.1% of outstanding shares. The distribution included 602,170 shares obtained through physical settlement of Deemed PSF Agreements, and 2,230,455 shares were sold at $111.31 per share to satisfy cash preferences. As a result, the Reporting Persons ceased to be beneficial owners of more than 5% of the Issuer's outstanding shares, though Paul Hilal continues to serve on the board of directors.

• · The distribution reduced Mantle Ridge's ownership from above 5% to approximately 0.1%.
• · All remaining Deemed PSF Agreements (934,341 shares) and Deemed CSF Agreements (9,655,604 shares) were terminated using a reference price of $111.31 per share.
• · Paul Hilal continues to serve on the board of directors of Dollar Tree.
• · The transactions occurred on June 24, 2026, and the filing was made on June 25, 2026.

25-06-2026

Fund 1 Investments, LLC filed a Schedule 13D/A with the SEC on June 25, 2026, disclosing a reduction in its stake in Citi Trends Inc (CTRN) from a prior higher level to 1,823,486 shares, or 21.9% of outstanding shares. The filing reveals a sale of 750,000 shares at $56.50 per share on June 24, 2026, as part of a portfolio rebalancing, while the reporting person expresses continued confidence in the issuer's leadership and long-term value.

• · The sale of 750,000 shares at $56.50 per share occurred on June 24, 2026.
• · The filing is an amendment to Schedule 13D, indicating a change in ownership.
• · The reporting person has sole voting and dispositive power over all 1,823,486 shares held.

25-06-2026

Richard M. Horowitz filed a Schedule 13D/A disclosing beneficial ownership of 902,353 shares of Trio-Tech International (TRT), representing 8.6% of the 10,298,449 shares outstanding as of June 18, 2026. The filing reveals that on May 18, 2026, Horowitz sold 67,500 shares in an open market sale at a weighted average price of $18.1003, and on December 16, 2025, he gifted 40,000 shares to trusts with no retained beneficial ownership.

• · The original Schedule 13D was filed on April 16, 2010.
• · Horowitz is a director of the company and President of Management Brokers Insurance Agency.
• · Sole power to vote and dispose: 902,353 shares; shared power: 0.
• · As of June 18, 2026, outstanding shares are 10,298,449.
• · The reporting person has no current plans or proposals for transactions listed in Item 4 of Schedule 13D.

25-06-2026

Raymond C. Stachowiak, Executive Chairman of American Shared Hospital Services, filed Amendment No. 9 to Schedule 13D, disclosing beneficial ownership of 2,220,205 shares (33.0%) as of June 24, 2026. The filing reports recent acquisitions including 586,468 shares purchased by RCS/TIG Holdings LLC for $1,319,553 ($2.28/share) and vesting of RSUs, while also noting the expiration of 2,000 stock options. Stachowiak's ownership increased from the prior filing, though Stachowiak Equity's percentage decreased slightly due to an increase in total outstanding shares.

• · Stachowiak's beneficial ownership includes shares held directly and indirectly through RCS, Stachowiak Equity, and RCS/TIG.
• · Stachowiak Equity's percentage decreased immaterially due to an increase in total outstanding shares.
• · The filing is Amendment No. 9 to the original Schedule 13D dated June 17, 2014.
• · Stachowiak is the owner-president of RCS, owner-manager of Stachowiak Equity, and owner-manager of RCS/TIG.
• · The 2025 RSUs (110,000 shares) have all vested; the 2026 RSUs (100,000 shares) vest in tranches through January 1, 2027.

25-06-2026

Peter J Abrahamson filed a Schedule 13G with the SEC on June 25, 2026, disclosing beneficial ownership of 960,000 shares of Unifi, Inc. common stock, representing 5.2% of the company's outstanding shares. The filing indicates passive investment intent under Rule 13d-1(c).

• · Filing is under Rule 13d-1(c), indicating passive investment.
• · No prior ownership reported; this is a new filing.
• · Sole voting and dispositive power over all 960,000 shares.

25-06-2026

Dauntless Investment Group, LLC disclosed a 9.58% beneficial ownership stake in Azitra, Inc. (AZTR) as of June 24, 2026, holding 5,804,636 shares of common stock. The filing was made on Schedule 13G, indicating passive investment intent with no aim to change or influence control of the issuer.

• · The filing was made under Rule 13d-1(c), confirming passive investor status.
• · Dauntless Investment Group, LLC is a Delaware limited liability company classified as a Single Family Office.
• · The filing date is June 25, 2026, with ownership effective as of June 24, 2026.
• · No shares are held with shared voting or dispositive power; all 5,804,636 shares are held with sole voting and dispositive power.

25-06-2026

MJL Manager LLC and Michael Liu have filed a Schedule 13G with the SEC disclosing combined beneficial ownership of 983,588 shares of Soligenix, Inc. (SNGX), representing 5.7% of the company's outstanding common stock as of June 22, 2026. The filing includes holdings by Capuchin Capital Fund LP (539,737 shares, 3.1%), with Michael Liu acting as the sole control person of both entities.

25-06-2026

Helena Global Investment Opportunities 1 Ltd. filed an amended Schedule 13G with the SEC on June 25, 2026, reporting a 0% beneficial ownership stake in DevvStream Corp. as of June 23, 2026. The filing indicates that Helena Global has disposed of all its common shares in the company, reducing its position from a previously held amount to zero.

• · Helena Global Investment Opportunities 1 Ltd. is a Cayman Islands entity.
• · The filing is an amendment (SCHEDULE 13G/A) to a previous beneficial ownership report.
• · The filing certifies that the securities were not acquired or held to change or influence control of the issuer.
• · DevvStream Corp. was formerly known as Focus Impact Acquisition Corp. (name change date: March 31, 2021).