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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

Institutions55.6%
Insiders8.4%
Institutions Count53
Institutions 55.6%Insiders 8.4%Float (Other) 36.1%
13F Filers (top 25)25Quarter 2026-03-31
Top-25 Reported Value$59.01MSum of shown holders' market value
Net Position Change10 adds · 10 trimsLargest movers this quarter

Top Holders by Value

25 shown
FilerSharesMarket ValueΔ SharesChange
ORBIMED ADVISORS LLCCIK 0001055951
2,252,987$14.46M–no_change
Atlas Venture Life Science Advisors, LLCCIK 0001917529
2,092,106$13.43M–no_change
Opaleye Management Inc.CIK 0001595855
1,256,228$8.06M+1,042,865↑ INC
Carlyle Group Inc.CIK 0001527166
1,102,741$7.08M–no_change
ARCH Venture Management, LLCCIK 0001274403
320,482$2.06M–no_change
ACORN CAPITAL ADVISORS, LLCCIK 0002054410
315,052$2.02M-178,373↓ DEC
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119
306,401$1.97M+306,401NEW
MACKENZIE FINANCIAL CORPCIK 0000919859
246,304$1.58M+246,304NEW
SanofiCIK 0001121404
244,083$1.57M–no_change
RENAISSANCE TECHNOLOGIES LLCCIK 0001037389
206,915$1.33M+107,315↑ INC
MONIMUS CAPITAL MANAGEMENT, LPCIK 0001848831
134,310$862.27K+134,310NEW
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717
118,152$758.74K+12,039↑ INC
PFIZER INCCIK 0000078003
101,618$736.73K-176,159↓ DEC
BlackRock, Inc.CIK 0002012383
86,147$553.06K+26,215↑ INC
JANE STREET GROUP, LLCCIK 0001595888
65,599$421.14K+40,225↑ INC
MARSHALL WACE, LLPCIK 0001318757
52,440$336.66K+35,512↑ INC
VANGUARD FIDUCIARY TRUST COCIK 0000933478
49,995$320.97K+49,995NEW
TWO SIGMA INVESTMENTS, LPCIK 0001179392
42,346$271.86K-4,479↓ DEC
STATE STREET CORPCIK 0000093751
41,514$266.52K+20,277↑ INC
ADAR1 Capital Management, LLCCIK 0001940272
35,000$224.70K+15,000↑ INC
Affinity Asset Advisors, LLCCIK 0001773195
27,777$178.33K–no_change
NORTHERN TRUST CORPCIK 0000073124
25,033$160.71K–no_change
Cetera Investment AdvisersCIK 0001666741
20,695$132.86K+20,695NEW
AMERICAN CENTURY COMPANIES INCCIK 0000748054
18,770$120.50K+18,770NEW
CITADEL ADVISORS LLCCIK 0001423053
15,481$99.39K-30,247↓ DEC

Top Adds (Buyers)

FilerΔ SharesValue
Opaleye Management Inc.↑ INC
+1,042,865$8.06M
VANGUARD CAPITAL MANAGEMENT LLCNEW
+306,401$1.97M
MACKENZIE FINANCIAL CORPNEW
+246,304$1.58M
MONIMUS CAPITAL MANAGEMENT, LPNEW
+134,310$862.27K
ACADIAN ASSET MANAGEMENT LLC↑ INC
+124,213$1.11K
RENAISSANCE TECHNOLOGIES LLC↑ INC
+107,315$1.33M
VANGUARD FIDUCIARY TRUST CONEW
+49,995$320.97K
JANE STREET GROUP, LLC↑ INC
+40,225$421.14K
MARSHALL WACE, LLP↑ INC
+35,512$336.66K
Cambridge Investment Research Advisors, Inc.NEW
+35,025$225.00

Top Trims (Sellers)

FilerΔ SharesValue
ACORN CAPITAL ADVISORS, LLC↓ DEC
-178,373$2.02M
PFIZER INC↓ DEC
-176,159$736.73K
CITADEL ADVISORS LLC↓ DEC
-30,247$99.39K
UBS Group AG↓ DEC
-13,336$1.73K
TWO SIGMA INVESTMENTS, LP↓ DEC
-4,479$271.86K
EverSource Wealth Advisors, LLC↓ DEC
-3,530$48.48K
WELLS FARGO & COMPANY/MN↓ DEC
-55$539.00
SBI Securities Co., Ltd.↓ DEC
-53$668.00
CWM, LLC↓ DEC
-15$250.00
OSAIC HOLDINGS, INC.↓ DEC
-8$796.00