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.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Hbk Investments L P | Buy | +2,850,000 | — | 2,850,000 | $378.28M | Q2 2026 | Sep 16, 2026 |
| Manufacturers Life Insurance Company, The | Sell | -35,137 | -51.1% | 33,559 | $4.45M | Q2 2026 | Sep 09, 2026 |
| Citadel Advisors Llc | Sell | -555,045 | -92.7% | 43,857 | $5.82M | Q2 2026 | Sep 02, 2026 |
| Allianz Asset Management Gmbh | Buy | +174,500 | +6980.0% | 177,000 | $23.49M | Q2 2026 | Sep 02, 2026 |
| Corient Private Wealth Llc | Buy | +5,122 | — | 5,122 | $679.84K | Q2 2026 | Aug 27, 2026 |
| Absolute Gestao De Investimentos Ltda. | Buy | +205,000 | — | 205,000 | $27.21M | Q2 2026 | Aug 25, 2026 |
| Groupe La Francaise | Buy | +84,072 | — | 84,072 | $11.16M | Q2 2026 | Aug 25, 2026 |
| California State Teachers Retirement System | Buy | +5,327 | +14.0% | 43,488 | $5.77M | Q2 2026 | Aug 24, 2026 |
| Mercer Global Advisors Inc | Buy | +109,855 | +13.2% | 941,283 | $124.94M | Q2 2026 | Aug 19, 2026 |
| Mint Tower Capital Management B.V. | Buy | +16,472 | — | 16,472 | $2.19M | Q2 2026 | Aug 18, 2026 |
| Glazer Capital, Llc | Buy | +1,641,042 | — | 1,641,042 | $217.82M | Q2 2026 | Aug 17, 2026 |
| Capstone Investment Advisors, Llc | Buy | +120,000 | — | 120,000 | $15.93M | Q2 2026 | Aug 17, 2026 |
| Empowered Funds, Llc | Buy | +2,065 | — | 2,065 | $274.09K | Q2 2026 | Aug 17, 2026 |
| T. Rowe Price Investment Management, Inc. | Sell | -9,538,801 | -92.6% | 762,183 | $101.17M | Q2 2026 | Aug 14, 2026 |
| Wellington Management Group Llp | Sell | -3,811,377 | -87.1% | 564,326 | $74.90M | Q2 2026 | Aug 14, 2026 |
| Pentwater Capital Management Lp | Buy | +1,425,000 | — | 1,425,000 | $189.14M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +1,398,812 | +1510.7% | 1,491,404 | $197.95M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Buy | +1,226,448 | +279.6% | 1,665,102 | $221.01M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +1,040,751 | +159.5% | 1,693,341 | $224.76M | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Sell | -905,942 | -79.2% | 237,210 | $31.49M | Q2 2026 | Aug 14, 2026 |
| Frontier Capital Management Co Llc | Sell | -760,744 | -71.5% | 303,739 | $40.32M | Q2 2026 | Aug 14, 2026 |
| Kryger Capital Llc | Buy | +742,555 | — | 742,555 | $98.56M | Q2 2026 | Aug 14, 2026 |
| Qube Research & Technologies Ltd | Buy | +659,678 | — | 659,678 | $87.56M | Q2 2026 | Aug 14, 2026 |
| Soros Fund Management Llc | Buy | +564,500 | — | 564,500 | $74.93M | Q2 2026 | Aug 14, 2026 |
| Whitebox Advisors Llc | Buy | +450,001 | — | 450,001 | $59.73M | Q2 2026 | Aug 14, 2026 |
| Aqr Arbitrage Llc | Buy | +429,900 | — | 429,900 | $57.06M | Q2 2026 | Aug 14, 2026 |
| Magnetar Financial Llc | Buy | +399,123 | — | 399,123 | $52.98M | Q2 2026 | Aug 14, 2026 |
| First Turn Management, Llc | Sell | -374,948 | -73.0% | 138,822 | $18.43M | Q2 2026 | Aug 14, 2026 |
| Tig Advisors, Llc | Buy | +364,250 | — | 364,250 | $48.35M | Q2 2026 | Aug 14, 2026 |
| Man Group Plc | Buy | +355,185 | +849.4% | 397,000 | $52.69M | Q2 2026 | Aug 14, 2026 |
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.
Related APGE Institutional Insights
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