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APGE · Apogee Therapeutics, Inc.

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$134.72 +0.15 (+0.11%)
Market Cap
$10.19B
Shares
75.69M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 289
Total Value: $9,115,023,255
Total Shares: 68,673,433

Institutional Ownership Trend

12 quarters

Holder Concentration

Across 289 13F filers · Δ vs Mar 31, 2026
Top Holder
12.4%
Sep 2023 → Jun 2026 · range 12.3% – 21.2%
−0.5 pts
Top 5
31.9%
Sep 2023 → Jun 2026 · range 31.9% – 50.9%
−13.6 pts
Top 10
45.8%
Sep 2023 → Jun 2026 · range 45.8% – 72.1%
−14.3 pts
HHI
359
Sep 2023 → Jun 2026 · range 359 – 827
Broadly held−184

Quarterly Activity

vs Mar 31, 2026
New
114
Increased
85
Decreased
69
Sold Out
55
Unchanged
21
Holder count: +59
Institutional value: +34.9%
Shares held: -14.5%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 305
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1974640 CUSIP 03770N101 13F (30d) 283 filings 281 filers Visit website Investor relations