First-hand SEC EDGAR 13F-HR institutional holdings: the top 25 holders ranked by market value, plus the largest adds and trims this quarter. Quarter 2026-03-31.
| Filer | Shares | Market Value | Δ Shares | Change |
|---|---|---|---|---|
SUVRETTA CAPITAL MANAGEMENT, LLCCIK 0001569064 | 9,067,001 | $53.95M | +3,500,000 | ↑ INC |
GREAT POINT PARTNERS LLCCIK 0001281446 | 4,215,930 | $25.08M | +400,000 | ↑ INC |
Siren, L.L.C.CIK 0002005245 | 3,734,866 | $22.22M | +2,434,866 | ↑ INC |
EcoR1 Capital, LLCCIK 0001587114 | 1,179,715 | $7.02M | +1,179,715 | NEW |
Boxer Capital Management, LLCCIK 0002018299 | 900,000 | $5.36M | +850,000 | ↑ INC |
Point72 Asset Management, L.P.CIK 0001603466 | 872,662 | $5.19M | +645,829 | ↑ INC |
Foresite Capital Management VI LLCCIK 0002013341 | 450,000 | $2.68M | +450,000 | NEW |
BOOTHBAY FUND MANAGEMENT, LLCCIK 0001549230 | 374,506 | $2.23M | +112,223 | ↑ INC |
KVP Capital Advisors, LPCIK 0001858198 | 373,128 | $2.22M | +373,128 | NEW |
683 Capital Management, LLCCIK 0001404574 | 110,000 | $654.50K | -149,165 | ↓ DEC |
Hudson Bay Capital Management LPCIK 0001393825 | 95,355 | $567.36K | +32,271 | ↑ INC |
BRIDGEWAY CAPITAL MANAGEMENT, LLCCIK 0001107261 | 85,348 | $507.82K | -32,647 | ↓ DEC |
GROUP ONE TRADING LLCCIK 0000932540 | 84,865 | $504.95K | +84,665 | ↑ INC |
AMERICAN CENTURY COMPANIES INCCIK 0000748054 | 33,733 | $200.71K | +12,350 | ↑ INC |
CITADEL ADVISORS LLCCIK 0001423053 | 32,098 | $190.98K | -358,359 | ↓ DEC |
Ghisallo Capital Management LLCCIK 0001825214 | 25,000 | $148.75K | +25,000 | NEW |
Mariner, LLCCIK 0001373442 | 24,734 | $147.17K | -11,882 | ↓ DEC |
Forefront Analytics, LLCCIK 0001696802 | 14,901 | $88.66K | -4,676 | ↓ DEC |
MANGROVE PARTNERS IM, LLCCIK 0001535392 | 14,791 | $88.01K | +14,791 | NEW |
GROUP ONE TRADING LLCCIK 0000932540 | 2,900 | $17.25K | -9,600 | ↓ DEC |
CWM, LLCCIK 0001535847 | 116 | $690.00 | -26 | ↓ DEC |
| Filer | Δ Shares | Value |
|---|---|---|
SUVRETTA CAPITAL MANAGEMENT, LLC↑ INC | +3,500,000 | $53.95M |
Siren, L.L.C.↑ INC | +2,434,866 | $22.22M |
EcoR1 Capital, LLCNEW | +1,179,715 | $7.02M |
Boxer Capital Management, LLC↑ INC | +850,000 | $5.36M |
Point72 Asset Management, L.P.↑ INC | +645,829 | $5.19M |
Foresite Capital Management VI LLCNEW | +450,000 | $2.68M |
GREAT POINT PARTNERS LLC↑ INC | +400,000 | $25.08M |
KVP Capital Advisors, LPNEW | +373,128 | $2.22M |
BOOTHBAY FUND MANAGEMENT, LLC↑ INC | +112,223 | $2.23M |
GROUP ONE TRADING LLC↑ INC | +84,665 | $504.95K |
| Filer | Δ Shares | Value |
|---|---|---|
CITADEL ADVISORS LLC↓ DEC | -358,359 | $190.98K |
683 Capital Management, LLC↓ DEC | -149,165 | $654.50K |
BRIDGEWAY CAPITAL MANAGEMENT, LLC↓ DEC | -32,647 | $507.82K |
Mariner, LLC↓ DEC | -11,882 | $147.17K |
GROUP ONE TRADING LLC↓ DEC | -9,600 | $17.25K |
Forefront Analytics, LLC↓ DEC | -4,676 | $88.66K |
CWM, LLC↓ DEC | -26 | $690.00 |