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Institutional Holders · 13F

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.

Ownership

Institutions100.0%
Insiders15.3%
Institutions Count203
Institutions 100.0%Insiders 15.3%Float (Other) 0.0%
13F Filers (top 25)25Quarter 2026-03-31
Top-25 Reported Value$1.69BSum of shown holders' market value
Net Position Change10 adds · 10 trimsLargest movers this quarter

Top Holders by Value

25 shown
FilerSharesMarket ValueΔ SharesChange
Catalys Pacific, LLCCIK 0002011385
7,903,838$214.11M–no_change
Samsara BioCapital, LLCCIK 0001744967
5,871,018$159.05M–no_change
FMR LLCCIK 0000315066
4,861,104$131.69M-196,405↓ DEC
BlackRock, Inc.CIK 0002012383
4,481,582$121.41M+153,904↑ INC
WELLINGTON MANAGEMENT GROUP LLPCIK 0000902219
3,359,068$91.00M+2,574,801↑ INC
Caption Management, LLCCIK 0001706766
3,273,400$88.68M+824,200↑ INC
STATE STREET CORPCIK 0000093751
2,935,940$79.53M-249,059↓ DEC
Caligan Partners LPCIK 0001727492
2,772,654$75.11M-2,298,400↓ DEC
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119
2,454,363$66.49M+2,454,363NEW
Laurion Capital Management LPCIK 0001390202
2,232,040$60.47M+518,555↑ INC
ORBIMED ADVISORS LLCCIK 0001055951
2,052,900$55.61M+1,072,500↑ INC
Point72 Asset Management, L.P.CIK 0001603466
1,911,433$51.78M+704,213↑ INC
FRANKLIN RESOURCES INCCIK 0000038777
1,784,662$48.35M-4,085↓ DEC
BOOTHBAY FUND MANAGEMENT, LLCCIK 0001549230
1,721,628$46.64M+9,646↑ INC
Andera PartnersCIK 0001757283
1,591,917$43.13M–no_change
SR ONE CAPITAL MANAGEMENT, LPCIK 0001910264
1,563,966$42.37M–no_change
SUVRETTA CAPITAL MANAGEMENT, LLCCIK 0001569064
1,538,662$41.68M–no_change
SUSQUEHANNA INTERNATIONAL GROUP, LLPCIK 0001446194
1,434,270$38.85M+236,562↑ INC
SPHERA FUNDS MANAGEMENT LTD.CIK 0001496201
1,339,971$36.30M+890,968↑ INC
ALLIANCEBERNSTEIN L.P.CIK 0001109448
975,961$35.42M+53,445↑ INC
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717
1,301,135$35.25M+43,553↑ INC
JENNISON ASSOCIATES LLCCIK 0000053417
1,266,174$34.30M+7,521↑ INC
ARMISTICE CAPITAL, LLCCIK 0001601086
1,176,000$31.86M+499,965↑ INC
BANK OF AMERICA CORP /DE/CIK 0000070858
1,100,372$29.81M+113,092↑ INC
Pictet Asset Management Holding SACIK 0001993888
1,034,438$28.02M+181,555↑ INC

Top Adds (Buyers)

FilerΔ SharesValue
WELLINGTON MANAGEMENT GROUP LLP↑ INC
+2,574,801$91.00M
VANGUARD CAPITAL MANAGEMENT LLCNEW
+2,454,363$66.49M
ORBIMED ADVISORS LLC↑ INC
+1,072,500$55.61M
SPHERA FUNDS MANAGEMENT LTD.↑ INC
+890,968$36.30M
Caption Management, LLC↑ INC
+824,200$88.68M
VANGUARD PORTFOLIO MANAGEMENT LLCNEW
+706,658$19.14M
Point72 Asset Management, L.P.↑ INC
+704,213$51.78M
Troluce Capital Advisors LLCNEW
+655,000$17.74M
Laurion Capital Management LP↑ INC
+518,555$60.47M
ARMISTICE CAPITAL, LLC↑ INC
+499,965$31.86M

Top Trims (Sellers)

FilerΔ SharesValue
Caligan Partners LP↓ DEC
-2,298,400$75.11M
GOLDMAN SACHS GROUP INC↓ DEC
-631,990$22.19M
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.↓ DEC
-554,115$2.84M
TWO SIGMA INVESTMENTS, LP↓ DEC
-298,915$8.44M
STATE STREET CORP↓ DEC
-249,059$79.53M
MARSHALL WACE, LLP↓ DEC
-240,143$243.46K
FMR LLC↓ DEC
-196,405$131.69M
BARCLAYS PLC↓ DEC
-189,406$917.73K
BNP PARIBAS FINANCIAL MARKETS↓ DEC
-156,213$452.84K
Squarepoint Ops LLC↓ DEC
-141,313$2.86M