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 | 3,836,830 | $40.59M | +3,836,830 | NEW |
BlackRock, Inc.CIK 0002012383 | 3,319,379 | $35.12M | +3,319,379 | NEW |
Foresite Capital Management IV, LLCCIK 0001704132 | 1,943,682 | $20.56M | +1,943,682 | NEW |
Merck & Co., Inc.CIK 0000310158 | 1,666,666 | $17.63M | +1,666,666 | NEW |
Foresite Capital Management V, LLCCIK 0001792206 | 1,318,983 | $13.95M | +1,318,983 | NEW |
Capital World InvestorsCIK 0001422849 | 1,143,637 | $12.10M | +1,143,637 | NEW |
ALLIANCEBERNSTEIN L.P.CIK 0001109448 | 1,022,188 | $10.81M | +1,022,188 | NEW |
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119 | 969,431 | $10.26M | +969,431 | NEW |
EcoR1 Capital, LLCCIK 0001587114 | 732,606 | $7.75M | +732,606 | NEW |
BAKER BROS. ADVISORS LPCIK 0001263508 | 555,555 | $5.88M | +555,555 | NEW |
SOROS CAPITAL MANAGEMENT LLCCIK 0001748240 | 484,672 | $5.13M | +484,672 | NEW |
StepStone Group LPCIK 0001502287 | 395,340 | $4.18M | +395,340 | NEW |
CANADA PENSION PLAN INVESTMENT BOARDCIK 0001283718 | 379,024 | $4.01M | +379,024 | NEW |
FRANKLIN RESOURCES INCCIK 0000038777 | 350,000 | $3.70M | +350,000 | NEW |
CITADEL ADVISORS LLCCIK 0001423053 | 310,000 | $3.28M | +310,000 | NEW |
General Catalyst Group Management, LLCCIK 0001637946 | 305,233 | $3.23M | +305,233 | NEW |
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717 | 273,931 | $2.90M | +273,931 | NEW |
JANE STREET GROUP, LLCCIK 0001595888 | 265,000 | $2.80M | +265,000 | NEW |
Ensign Peak Advisors, IncCIK 0001454984 | 200,000 | $2.12M | +200,000 | NEW |
WELLINGTON MANAGEMENT GROUP LLPCIK 0000902219 | 185,000 | $1.96M | +185,000 | NEW |
MILLENNIUM MANAGEMENT LLCCIK 0001273087 | 175,627 | $1.86M | +175,627 | NEW |
Blackstone Inc.CIK 0001393818 | 168,338 | $1.78M | +168,338 | NEW |
BNP Paribas Asset Management Holding S.A.CIK 0001520354 | 140,344 | $1.48M | +140,344 | NEW |
VANGUARD FIDUCIARY TRUST COCIK 0000933478 | 131,954 | $1.40M | +131,954 | NEW |
CHARLES SCHWAB INVESTMENT MANAGEMENT INCCIK 0000884546 | 131,079 | $1.39M | +131,079 | NEW |
| Filer | Δ Shares | Value |
|---|---|---|
FMR LLCNEW | +3,836,830 | $40.59M |
BlackRock, Inc.NEW | +3,319,379 | $35.12M |
Foresite Capital Management IV, LLCNEW | +1,943,682 | $20.56M |
Merck & Co., Inc.NEW | +1,666,666 | $17.63M |
Foresite Capital Management V, LLCNEW | +1,318,983 | $13.95M |
T. Rowe Price Investment Management, Inc.NEW | +1,222,487 | $12.93K |
Capital World InvestorsNEW | +1,143,637 | $12.10M |
ALLIANCEBERNSTEIN L.P.NEW | +1,022,188 | $10.81M |
PRICE T ROWE ASSOCIATES INC /MD/NEW | +975,834 | $10.32K |
VANGUARD CAPITAL MANAGEMENT LLCNEW | +969,431 | $10.26M |