Latest Schedule 13D activist filings

NYSE
SIT Investment Associates Inc. and SIT Fixed Income Advisors II LLC have amended their Schedule 13D filing, reporting a combined beneficial ownership of 10,641,285 shares, representing 32.7% of the outstanding common stock of MFS Government Markets Income Trust.
NASDAQ
Gilbert Edgar Schoeni has reported beneficial ownership of 22,539,749 ordinary shares, representing 15.9% of Veraxa Biotech Holding AG, following a business combination.
NASDAQ
Fresenius Medical Care Holdings, Inc. and Fresenius Medical Care AG have filed an amendment to their Schedule 13D, updating their beneficial ownership of Humacyte, Inc. common stock to 6.8%.
OID
Visium Technologies, Inc. reports that former COO and CTO Cheddi Rai Bharrat has resigned and disclaims any beneficial ownership of the company's common stock following the termination of a letter of intent with ConnexUS AI.
NASDAQ
Neo-Concept International Group Holdings Ltd reports a significant shift in beneficial ownership as key entities divest their holdings.
NYSE
Haveli Investments and Brian N. Sheth disclose a significant beneficial ownership position in Blend Labs, Inc., totaling over 64 million shares.
NYSE
Stephanie Foglia and the 2025 Irrevocable GRAT of Aspasia F. Vahaviolos report a combined 18.60% beneficial ownership in Mistras Group, Inc.
AMEX
Eric Sprott and affiliated entities have increased their beneficial ownership in Americas Gold & Silver Corp to 14.33% following a $44.3 million share acquisition.
NASDAQ
General Atlantic filed a Schedule 13D reporting a 15% beneficial ownership stake in Liftoff Mobile, Inc. following the company's IPO.
NASDAQ
Viking Global Investors has entered into a voting agreement to support Standard BioTools' merger with Treeline Biosciences.
NASDAQ
Sylebra Capital reports an 18.84% stake in PureCycle Technologies and details participation in a debt repurchase agreement.
NASDAQ
Lotus Technology reports a redistribution of shares following the settlement of put options involving Lotus Group International Limited.
NASDAQ
Co-founders Siyu Huang and Yingchao Yu disclose a 19.1% beneficial ownership stake in Factorial Energy Inc. following a business combination.
AMEX
Ault & Company and key executives increased their stake in Hyperscale Data, Inc. through recent open market purchases.
NASDAQ
Reporting persons disclose updated beneficial ownership stakes in NRC Health following recent open market share sales.
NASDAQ
Mercedes-Benz Corporate Investments LLC has finalized an 8.1% ownership position in Factorial Energy Inc. following the completion of its business combination.
NASDAQ
AJB Investment Fund II, LP and associated parties have filed a Schedule 13D reporting a 9.4% beneficial ownership stake in Jewett-Cameron Trading Co. Ltd.
NYSE
Wells Fargo & Company reports a reduction in its holdings of Nuveen Quality Municipal Income Fund preferred shares following a redemption.
NYSE
Wells Fargo & Company reports a reduction in its holdings of Nuveen Quality Municipal Income Fund preferred shares following a redemption.
NASDAQ
Glory Achievement Fund Limited has increased its beneficial ownership in Niu Technologies to 39.8% following recent open-market purchases.
NASDAQ
Politan Capital Management has fully exited its position in Masimo Corp following the completion of a merger that converted all shares into $180.00 cash per share.
NASDAQ
D. E. Shaw & Co. reports a 9.5% beneficial ownership stake in Gossamer Bio following a debt-for-equity exchange offer.
NASDAQ
Redmile Group, LLC and affiliates increased their beneficial ownership in Shattuck Labs, Inc. through warrant exercises and participation in an underwritten offering.
OID
Eriksen Capital Management and Cedar Creek Partners have filed a Schedule 13D disclosing a combined 17.5% beneficial ownership stake in Saker Aviation Services, Inc.
NASDAQ
Investor Henry Ikezi and affiliated entities disclose a 41.4% beneficial ownership stake in Solidion Technology Inc. following recent warrant conversions and market transactions.
OQB
Parvinder Singh Hyare reports beneficial ownership of 13,521,921 shares of Galera Therapeutics following a mandatory conversion of Series B Preferred Stock.
NYSE
Dylan Field reports a reduction in voting control following a charitable gift by the Wu-Wallace Family Trust and ongoing share sales under a pre-existing diversification plan.
NYSE
Legion Partners Asset Management has reduced its stake in Clear Channel Outdoor Holdings to below 5% following significant share sales.
NASDAQ
Cochlear Investments Pty Ltd and its parent Cochlear Limited have filed an amendment to their Schedule 13D, confirming their beneficial ownership of 5,847,283 ordinary shares in Nyxoah SA, representing 5.91% of the outstanding shares.
Aspira Women's Health Inc. has filed an amendment to its Schedule 13D, detailing a recent purchase of common stock and warrants by Jack W. Schuler and the Jack W. Schuler Living Trust.