Arrowstreet Capital, Limited Partnership (ASC), along with its parent company Arrowstreet Capital Holding LLC (ACH), filed a Schedule 13G/A on May 15, 2026, disclosing a significant increase in their position in Fortuna Mining Corp (FSM). As of the event date on March 31, 2026, the filers reported aggregate beneficial ...

On May 15, 2026, Rubric Capital Management LP and David Rosen filed a Schedule 13G/A with the SEC, reporting an increased stake in ARS Pharmaceuticals, Inc. (SPRY). The reporting persons now collectively beneficially own 8,000,000 shares of common stock, representing an 8.06% ownership stake in the company based on 99,...

On May 15, 2026, Citadel Advisors LLC and associated reporting persons, including Kenneth Griffin, filed an amendment to their Schedule 13G regarding Atlas Critical Minerals Corporation (ATCX). The filing reveals a significant reduction in their collective position. As of the event date of March 31, 2026, Citadel Advis...

Turtle Creek Asset Management Inc., a Toronto-based investment advisor, filed a Schedule 13G/A on May 15, 2026, regarding its holdings in ATS Corp (ATS). The filing indicates that as of March 31, 2026, Turtle Creek beneficially owns 4,896,669 common shares of the company. This represents a 4.99% ownership stake in ATS ...

On May 15, 2026, ATW Partners Opportunities Management, LLC, along with ATW Growth Opportunities SPV, LLC, Kerry Propper, and Antonio Ruiz-Gimenez, filed a Schedule 13G/A regarding their holdings in Fold Holdings, Inc. (FLD). The filing reports a combined beneficial ownership of 1,739,130 shares of Common Stock, repres...

ATW Partners Opportunities Management, LLC, along with affiliated entities and control persons Kerry Propper and Antonio Ruiz-Gimenez, filed a Schedule 13G/A on May 15, 2026, disclosing a 5.0% ownership stake in Workhorse Group Inc. (WKHS). The reporting group beneficially owns 545,863 shares of Common Stock. This posi...

On May 15, 2026, Armistice Capital, LLC and Steven Boyd filed a Schedule 13G/A (Amendment No. 2) regarding their holdings in Avanos Medical, Inc. (AVNS). The filing reports that as of March 31, 2026, the reporting persons beneficially own 2,000,000 shares of Common Stock, representing a 4.3% ownership stake in the comp...

This Schedule 13G/A filing, dated May 15, 2026, details the beneficial ownership of AVAX One Technology Inc. common shares by a group of reporting persons including Bastion Trading Limited, Bastion Holdings Limited, Lucio Holding Limited, and Mr. Wei Zhu. Collectively, the reporting persons hold 8,961,492 shares, repre...

Wellington Management Group LLP, along with its subsidiaries Wellington Group Holdings LLP, Wellington Investment Advisors Holdings LLP, and Wellington Management Company LLP, filed a Schedule 13G/A on May 15, 2026, regarding their holdings in Acadia Healthcare Company, Inc. (ACHC). The filing indicates that Wellington...

On May 15, 2026, Khrom Capital Management LLC and associated reporting persons filed a Schedule 13G/A regarding their holdings in Acadia Healthcare Company, Inc. (ACHC). The filing indicates that the reporting group, which includes Khrom Investments Fund, LP and Mr. Eric Khrom, beneficially owns an aggregate of 5,201,5...

This Schedule 13G/A filing, dated May 15, 2026, indicates that Citadel Advisors LLC and its affiliated reporting persons, including Kenneth Griffin, have effectively exited their position in Acrivon Therapeutics, Inc. (ACRV). As of the event date on March 31, 2026, the reporting group's beneficial ownership has been re...

WuXi PharmaTech Healthcare Fund I L.P. and WuXi AppTec Co., Ltd. filed a Schedule 13G/A on May 15, 2026, disclosing a 5.9% ownership stake in Adagene Inc. (ADAG). The reporting persons collectively hold 3,485,038 ordinary shares, which are held in the form of 2,788,030 American Depositary Shares (ADS). Each ADS represe...

On May 15, 2026, Perceptive Advisors LLC and its managing member, Joseph Edelman, filed a Schedule 13G/A reporting a significant majority stake in Adagio Medical Holdings, Inc. (ADGM). The reporting persons collectively beneficially own 15,321,655 shares of common stock, representing 55.4% of the company's outstanding ...

This Schedule 13G/A (Amendment No. 4) filed on May 15, 2026, reports a combined beneficial ownership of 29,993,708 shares of Common Stock in Adaptive Biotechnologies Corp (ADPT) by Viking Global Investors LP (VGI) and its affiliates, representing 18.8% of the company. The reporting persons include Viking Global Perform...

Woodline Partners LP has filed a Schedule 13G/A for Adicet Bio, Inc. (ACET), reporting a beneficial ownership of 313,124 shares of Common Stock as of March 31, 2026. This position represents approximately 3.3% of the company's outstanding shares, based on 9,596,407 shares reported as of March 10, 2026. The filing indic...

On May 15, 2026, Mirabella Financial Services LLP filed a Schedule 13G/A disclosing a significant ownership position in ADS-TEC Energy PLC (ADSE). As of the event date of April 30, 2026, the filer reported beneficial ownership of 18,169,949 shares of Common Stock, representing 25.23% of the class based on 72,002,051 sh...

On May 15, 2026, Stoney Lonesome HF LP filed an amended Schedule 13G (Amendment No. 1) regarding its holdings in Advanced Flower Capital Inc. (AFCG). As of the event date on March 31, 2026, Stoney Lonesome HF LP reported beneficial ownership of 1,445,577 shares of common stock, representing 6.1% of the class. This refl...

Mark N. Tompkins filed an Amendment No. 6 to his Schedule 13G on May 15, 2026, regarding his holdings in Aeluma, Inc. (ALMU). The filing serves as an exit statement, as Tompkins' beneficial ownership has fallen below the 5% threshold. As of the event date of March 31, 2026, Tompkins reported owning 885,000 shares of co...

Eagle Capital Management, LLC filed a Schedule 13G/A on May 15, 2026, disclosing its beneficial ownership in AerCap Holdings N.V. (AER). As of the event date of March 31, 2026, the firm reported owning 7,315,306 ordinary shares, which represents a 4.38% stake in the company. This filing marks Amendment No. 4 and indica...

This Schedule 13G/A (Amendment No. 3) filing for Agora, Inc. (ticker: API) reports the beneficial ownership of Bin (Tony) Zhao and associated entities, Much ado Limited and YY TZ Limited. As of March 31, 2026, Bin (Tony) Zhao beneficially owns a total of 91,277,391 ordinary shares, representing 27.0% of the company's o...

Susquehanna Securities, LLC has filed a Schedule 13G/A with the SEC, reporting a significant stake in Agora, Inc. (API). As of the event date on March 31, 2026, the reporting person beneficially owns 24,717,032 Class A ordinary shares, which represents 9.4% of the company's outstanding shares. This holding is comprised...

First Trust Capital Management L.P. (FTCM), along with its affiliates First Trust Merger Arbitrage Fund (VARBX), First Trust Capital Solutions L.P., and FTCS Sub GP LLC, filed a Schedule 13G/A on May 15, 2026, regarding their holdings in Agriculture & Natural Solutions Acquisition Corp (ANSC). The filing reports that a...

Disciplined Growth Investors, Inc. filed a Schedule 13G/A (Amendment No. 6) on May 15, 2026, reporting a significant ownership stake in Alarm.com Holdings, Inc. (ALRM). As of the event date on March 31, 2026, the firm beneficially owns 3,268,986 shares of common stock, representing 6.6% of the company. This filing mark...

Perceptive Advisors LLC, Joseph Edelman, and Perceptive Life Sciences Master Fund, Ltd. have filed Amendment No. 16 to their Schedule 13G regarding Aldeyra Therapeutics, Inc. (ALDX). The filing, dated May 15, 2026, reports that as of the event date on March 31, 2026, the reporting persons have fully exited their positi...

On May 15, 2026, Maple Rock Capital Partners Inc. filed a Schedule 13G/A regarding its holdings in Algoma Steel Group Inc. (ASTL). The filing indicates that as of March 31, 2026, the reporting persons—Maple Rock Capital Partners Inc. and its Chief Investment Officer, Xavier Majic—beneficially own 15,930,818 common shar...