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 |
|---|---|---|---|---|
FMR LLCCIK 0000315066 | 9,045,481 | $234.28M | +8,806,603 | ↑ INC |
Fairmount Funds Management LLCCIK 0001802528 | 8,713,000 | $225.67M | +8,713,000 | NEW |
Avoro Capital Advisors LLCCIK 0001633313 | 3,783,000 | $97.98M | +3,783,000 | NEW |
Venrock Adviser, LLCCIK 0001615982 | 3,603,595 | $93.33M | +3,603,595 | NEW |
FCPM III SERVICES B.V.CIK 0002013410 | 2,441,000 | $63.22M | +2,441,000 | NEW |
VIKING GLOBAL INVESTORS LPCIK 0001103804 | 2,311,082 | $59.86M | +2,311,082 | NEW |
Bellevue Group AGCIK 0001674546 | 2,298,000 | $59.52M | +2,298,000 | NEW |
Remedium Capital Partners, LLCCIK 0002104501 | 2,045,473 | $52.98M | +1,925,000 | ↑ INC |
Commodore Capital LPCIK 0001831942 | 1,939,000 | $50.22M | +1,939,000 | NEW |
Cormorant Asset Management, LPCIK 0001583977 | 1,525,000 | $39.50M | +1,525,000 | NEW |
BALYASNY ASSET MANAGEMENT L.P.CIK 0001218710 | 1,448,000 | $37.50M | +1,448,000 | NEW |
a16z Capital Management, L.L.C.CIK 0001540358 | 1,236,157 | $32.02M | +1,236,157 | NEW |
PERCEPTIVE ADVISORS LLCCIK 0001224962 | 1,223,000 | $31.68M | +1,223,000 | NEW |
Point72 Asset Management, L.P.CIK 0001603466 | 1,193,708 | $30.92M | +1,084,708 | ↑ INC |
WELLINGTON MANAGEMENT GROUP LLPCIK 0000902219 | 1,058,000 | $27.40M | +1,058,000 | NEW |
Siren, L.L.C.CIK 0002005245 | 900,000 | $23.31M | +900,000 | NEW |
BRAIDWELL LPCIK 0001920938 | 894,846 | $23.18M | +894,846 | NEW |
Vestal Point Capital, LPCIK 0001974915 | 600,000 | $15.54M | +600,000 | NEW |
Blackstone Inc.CIK 0001393818 | 503,522 | $13.04M | +503,522 | NEW |
MILLENNIUM MANAGEMENT LLCCIK 0001273087 | 471,646 | $12.22M | +471,646 | NEW |
Affinity Asset Advisors, LLCCIK 0001773195 | 450,000 | $11.65M | +450,000 | NEW |
Ikarian Capital, LLCCIK 0001778253 | 335,710 | $8.69M | +50,000 | ↑ INC |
Qube Research & Technologies LtdCIK 0001729829 | 282,436 | $7.32M | +282,436 | NEW |
ADAR1 Capital Management, LLCCIK 0001940272 | 279,000 | $7.23M | +279,000 | NEW |
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717 | 241,126 | $6.25M | +229,553 | ↑ INC |
| Filer | Δ Shares | Value |
|---|---|---|
FMR LLC↑ INC | +8,806,603 | $234.28M |
Fairmount Funds Management LLCNEW | +8,713,000 | $225.67M |
Avoro Capital Advisors LLCNEW | +3,783,000 | $97.98M |
Venrock Adviser, LLCNEW | +3,603,595 | $93.33M |
FCPM III SERVICES B.V.NEW | +2,441,000 | $63.22M |
VIKING GLOBAL INVESTORS LPNEW | +2,311,082 | $59.86M |
Bellevue Group AGNEW | +2,298,000 | $59.52M |
Commodore Capital LPNEW | +1,939,000 | $50.22M |
Remedium Capital Partners, LLC↑ INC | +1,925,000 | $52.98M |
Cormorant Asset Management, LPNEW | +1,525,000 | $39.50M |
| Filer | Δ Shares | Value |
|---|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP↓ DEC | -3,832 | $253.04K |