APOGEE THERAPEUTICS INC (APGE) Institutional Ownership Changes & 13F Activity

APOGEE THERAPEUTICS INC (APGE). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include T. Rowe Price Investment Management, Inc., Wellington Management Group Llp, Hbk Investments L P, Glazer Capital, Llc, and Pentwater Capital Management Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Hbk Investments L PBuy+2,850,0002,850,000$378.28MQ2 2026Sep 16, 2026
Manufacturers Life Insurance Company, TheSell-35,137-51.1%33,559$4.45MQ2 2026Sep 09, 2026
Citadel Advisors LlcSell-555,045-92.7%43,857$5.82MQ2 2026Sep 02, 2026
Allianz Asset Management GmbhBuy+174,500+6980.0%177,000$23.49MQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+5,1225,122$679.84KQ2 2026Aug 27, 2026
Absolute Gestao De Investimentos Ltda.Buy+205,000205,000$27.21MQ2 2026Aug 25, 2026
Groupe La FrancaiseBuy+84,07284,072$11.16MQ2 2026Aug 25, 2026
California State Teachers Retirement SystemBuy+5,327+14.0%43,488$5.77MQ2 2026Aug 24, 2026
Mercer Global Advisors IncBuy+109,855+13.2%941,283$124.94MQ2 2026Aug 19, 2026
Mint Tower Capital Management B.V.Buy+16,47216,472$2.19MQ2 2026Aug 18, 2026
Glazer Capital, LlcBuy+1,641,0421,641,042$217.82MQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+120,000120,000$15.93MQ2 2026Aug 17, 2026
Empowered Funds, LlcBuy+2,0652,065$274.09KQ2 2026Aug 17, 2026
T. Rowe Price Investment Management, Inc.Sell-9,538,801-92.6%762,183$101.17MQ2 2026Aug 14, 2026
Wellington Management Group LlpSell-3,811,377-87.1%564,326$74.90MQ2 2026Aug 14, 2026
Pentwater Capital Management LpBuy+1,425,0001,425,000$189.14MQ2 2026Aug 14, 2026
Millennium Management LlcBuy+1,398,812+1510.7%1,491,404$197.95MQ2 2026Aug 14, 2026
Balyasny Asset Management L.P.Buy+1,226,448+279.6%1,665,102$221.01MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+1,040,751+159.5%1,693,341$224.76MQ2 2026Aug 14, 2026
Price T Rowe Associates IncSell-905,942-79.2%237,210$31.49MQ2 2026Aug 14, 2026
Frontier Capital Management Co LlcSell-760,744-71.5%303,739$40.32MQ2 2026Aug 14, 2026
Kryger Capital LlcBuy+742,555742,555$98.56MQ2 2026Aug 14, 2026
Qube Research & Technologies LtdBuy+659,678659,678$87.56MQ2 2026Aug 14, 2026
Soros Fund Management LlcBuy+564,500564,500$74.93MQ2 2026Aug 14, 2026
Whitebox Advisors LlcBuy+450,001450,001$59.73MQ2 2026Aug 14, 2026
Aqr Arbitrage LlcBuy+429,900429,900$57.06MQ2 2026Aug 14, 2026
Magnetar Financial LlcBuy+399,123399,123$52.98MQ2 2026Aug 14, 2026
First Turn Management, LlcSell-374,948-73.0%138,822$18.43MQ2 2026Aug 14, 2026
Tig Advisors, LlcBuy+364,250364,250$48.35MQ2 2026Aug 14, 2026
Man Group PlcBuy+355,185+849.4%397,000$52.69MQ2 2026Aug 14, 2026
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Frequently asked questions about APGE activity

  • Which institutional owners are buying APGE?

    Institutional owners buying APGE include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in APGE activity?

    "Buy" means an investor increased their reported position in APGE compared to the prior reporting period. This reflects growing exposure to APOGEE THERAPEUTICS INC (APGE) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in APGE increasing?

    Institutional interest in APGE can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.