Latest Schedule 13D activist filings

Zimmer Partners, LP has filed a Schedule 13D reporting a 10% beneficial ownership stake in James River Group Holdings, Inc.

B. Luke Weil and Willow Lane Sponsor, LLC have filed a Schedule 13D disclosing a 9.97% beneficial ownership stake in Boost Run Inc. following the completion of a business combination.

Chief Operating Officer Harilaos Georgakopoulos reports a 25.13% beneficial ownership in Boost Run Inc. following the completion of a business combination.

Haveli Investments reports a change in beneficial ownership of Blend Labs, Inc. following the expiration of a stock warrant.

Access Industries sold approximately 3.3 million shares of DigitalOcean Holdings, Inc. in a block trade on May 13, 2026.

General Atlantic has disclosed an increased ownership stake in Alkami Technology, Inc. through a series of open market purchases.

Fairfax Financial Holdings and its affiliates have increased their beneficial ownership in Under Armour, Inc. to 24.0% of the outstanding Class A common stock.

Fairfax Financial Holdings and its affiliates have increased their beneficial ownership in Under Armour, Inc. to 24.0% of the outstanding Class A common stock.

Corvex Management LP and affiliated entities have increased their stake in GeneDx Holdings Corp. through open market purchases.

Hyperscale Data and associated entities report a 33.1% beneficial ownership stake in YY Group Holding Ltd. following recent market transactions.

Hyperscale Data and associated entities report a 33.1% beneficial ownership stake in YY Group Holding Ltd. following recent market transactions.

Bradley & Daytona Railway & Land Co. LLC reports a 7.1% beneficial ownership stake in Power REIT Series A Preferred Stock.

CEO Scott Pomeroy discloses a 6.26% beneficial ownership stake in XTI Aerospace following an administrative filing delay.

Spark Capital entities and director Santo Politi reported a reduction in their beneficial ownership of eToro Group Ltd. following a pro rata distribution and subsequent share sale.

IMA Value LLP and Noam Nakash have filed an amendment to their Schedule 13D, reporting the disposal of their entire stake in Rave Restaurant Group, Inc.

SIM Sponsor 1 LLC and affiliates report a 93.2% beneficial ownership stake in SIM Acquisition Corp. I following a share conversion.

Canada Growth Fund Inc. has increased its beneficial ownership in Nouveau Monde Graphite Inc. to 24.1% following the issuance of private placement shares.

Kaufman Kapital LLC reports recent share sales, a new 9.99% ownership blocker, and an additional $750,000 loan to BranchOut Food Inc.

VNET Group founder Sheng Chen and affiliates of CATL have entered into a share purchase and voting agreement involving up to 650.4 million Class A ordinary shares.

Caddis Holdings, LP and Perry Griffin filed a Schedule 13D disclosing a 9.1% stake in Fermi Inc. and reaffirming support for the company's board and strategic plan.

Jeito II S.L.P. and associated entities have filed a Schedule 13D reporting a 7.8% beneficial ownership stake in Odyssey Therapeutics, Inc. following its recent IPO.

Weichai Power Hong Kong International Development Co., Limited has reduced its beneficial ownership of Ballard Power Systems Inc. common shares to 11.61% following open market sales.

Cliffwater Corporate Lending Fund and its advisor Cliffwater LLC have filed a Schedule 13D, reporting beneficial ownership of 28.7% of Barings Private Credit Corporation's common stock.

Pictet Asset Management SA has reported a beneficial ownership of 4.51% in Dynatrace, Inc., holding 13,438,345 shares, and is actively engaging with the company on strategic and governance matters.

BSG Series CM, LLC has completed a pro rata distribution of all its Z Squared Inc. common stock to its members, terminating its reporting obligation.

Uxin Ltd. reports an amendment to its Schedule 13D filing, detailing significant share distributions among affiliated entities.

Patrick L. Norris has amended his Schedule 13D filing for Norris Industries, Inc. to reflect the contribution of preferred stock to the company's capital.

Uxin Limited's Schedule 13D filing reveals adjustments in beneficial ownership by Abundant Grace Investment Limited and related entities.

Uxin Ltd's Schedule 13D filing reveals significant adjustments in beneficial ownership among key investment entities, with Nio Capital II LLC overseeing substantial share allocations.

Shah Capital Management has submitted an amendment to its Schedule 13D filing, criticizing Novavax's current leadership and outlining perceived failures in marketing, partnerships, capital management, and executive compensation.