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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

Institutions22.8%
Insiders12.9%
Institutions Count21
Institutions 22.8%Insiders 12.9%Float (Other) 64.3%
13F Filers (top 25)21Quarter 2026-03-31
Top-25 Reported Value$129.07MSum of shown holders' market value
Net Position Change10 adds · 7 trimsLargest movers this quarter

Top Holders by Value

21 shown
FilerSharesMarket ValueΔ SharesChange
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+1,179,715NEW
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+450,000NEW
BOOTHBAY FUND MANAGEMENT, LLCCIK 0001549230
374,506$2.23M+112,223↑ INC
KVP Capital Advisors, LPCIK 0001858198
373,128$2.22M+373,128NEW
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+25,000NEW
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+14,791NEW
GROUP ONE TRADING LLCCIK 0000932540
2,900$17.25K-9,600↓ DEC
CWM, LLCCIK 0001535847
116$690.00-26↓ DEC

Top Adds (Buyers)

FilerΔ SharesValue
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

Top Trims (Sellers)

FilerΔ SharesValue
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