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 |
|---|---|---|---|---|
Corvex Management LPCIK 0001535472 | 3,228,149 | $207.31M | +169,520 | ↑ INC |
Casdin Capital, LLCCIK 0001534261 | 3,007,164 | $193.12M | – | no_change |
BlackRock, Inc.CIK 0002012383 | 1,550,708 | $99.59M | -9,386 | ↓ DEC |
WESTFIELD CAPITAL MANAGEMENT CO LPCIK 0001177719 | 1,369,108 | $87.92M | +350,847 | ↑ INC |
GOLDMAN SACHS GROUP INCCIK 0000886982 | 1,334,980 | $85.73M | +114,478 | ↑ INC |
ARK Investment Management LLCCIK 0001697748 | 1,324,583 | $85.06M | +720,022 | ↑ INC |
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119 | 858,583 | $55.14M | +858,583 | NEW |
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCCIK 0001644956 | 775,269 | $49.79M | -33,941 | ↓ DEC |
CITADEL ADVISORS LLCCIK 0001423053 | 768,001 | $49.32M | +423,350 | ↑ INC |
Zweig-DiMenna Associates LLCCIK 0001533950 | 689,290 | $44.27M | +91,465 | ↑ INC |
Amova Asset Management Americas, Inc.CIK 0001480751 | 638,800 | $41.02M | +257,075 | ↑ INC |
Sumitomo Mitsui Trust Group, Inc.CIK 0001475365 | 633,457 | $40.68M | +251,732 | ↑ INC |
FRANKLIN RESOURCES INCCIK 0000038777 | 607,221 | $39.00M | -485,767 | ↓ DEC |
RAYMOND JAMES FINANCIAL INCCIK 0000720005 | 610,073 | $38.77M | +104,732 | ↑ INC |
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717 | 549,147 | $35.27M | +44,580 | ↑ INC |
Invesco Ltd.CIK 0000914208 | 540,229 | $34.69M | -246,237 | ↓ DEC |
MORGAN STANLEYCIK 0000895421 | 532,235 | $34.18M | +26,144 | ↑ INC |
Prosight Management, LPCIK 0001617201 | 523,463 | $33.62M | +468,463 | ↑ INC |
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLCCIK 0001638555 | 479,418 | $30.79M | -519,069 | ↓ DEC |
STATE STREET CORPCIK 0000093751 | 472,445 | $30.34M | +16,187 | ↑ INC |
EVENTIDE ASSET MANAGEMENT, LLCCIK 0001442891 | 459,015 | $29.47M | +459,015 | NEW |
MASSACHUSETTS FINANCIAL SERVICES CO /MA/CIK 0000912938 | 358,978 | $23.05M | +160,052 | ↑ INC |
SUSQUEHANNA INTERNATIONAL GROUP, LLPCIK 0001446194 | 348,105 | $22.36M | -385,059 | ↓ DEC |
WELLINGTON MANAGEMENT GROUP LLPCIK 0000902219 | 341,005 | $21.90M | -43,745 | ↓ DEC |
Capital International InvestorsCIK 0001562230 | 324,588 | $20.85M | +41,340 | ↑ INC |
| Filer | Δ Shares | Value |
|---|---|---|
VANGUARD CAPITAL MANAGEMENT LLCNEW | +858,583 | $55.14M |
ARK Investment Management LLC↑ INC | +720,022 | $85.06M |
Prosight Management, LP↑ INC | +468,463 | $33.62M |
EVENTIDE ASSET MANAGEMENT, LLCNEW | +459,015 | $29.47M |
CITADEL ADVISORS LLC↑ INC | +423,350 | $49.32M |
WESTFIELD CAPITAL MANAGEMENT CO LP↑ INC | +350,847 | $87.92M |
Amova Asset Management Americas, Inc.↑ INC | +257,075 | $41.02M |
Sumitomo Mitsui Trust Group, Inc.↑ INC | +251,732 | $40.68M |
Vestal Point Capital, LPNEW | +250,000 | $16.05M |
First Light Asset Management, LLCNEW | +242,927 | $15.60M |
| Filer | Δ Shares | Value |
|---|---|---|
FMR LLC↓ DEC | -537,117 | $18.98M |
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC↓ DEC | -519,069 | $30.79M |
FRANKLIN RESOURCES INC↓ DEC | -485,767 | $39.00M |
LORD, ABBETT & CO. LLC↓ DEC | -475,656 | $2.74K |
PRICE T ROWE ASSOCIATES INC /MD/↓ DEC | -390,965 | $1.48K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP↓ DEC | -385,059 | $22.36M |
Invesco Ltd.↓ DEC | -246,237 | $34.69M |
ALLIANCEBERNSTEIN L.P.↓ DEC | -233,404 | $2.61M |
Assenagon Asset Management S.A.↓ DEC | -110,767 | $6.11M |
VOYA INVESTMENT MANAGEMENT LLC↓ DEC | -74,356 | $367.66K |