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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

Institutions31.9%
Insiders432.6%
Institutions Count24
Institutions 31.9%Insiders 432.6%Float (Other) 0.0%
13F Filers (top 25)24Quarter 2026-03-31
Top-25 Reported Value$2.49MSum of shown holders' market value
Net Position Change10 adds · 4 trimsLargest movers this quarter

Top Holders by Value

24 shown
FilerSharesMarket ValueΔ SharesChange
Sofinnova Investments, Inc.CIK 0001631134
137,721$556.39K–no_change
RENAISSANCE TECHNOLOGIES LLCCIK 0001037389
77,225$311.99K+22,200↑ INC
Vivo Capital, LLCCIK 0001674712
72,414$292.55K–no_change
Pivotal bioVenture Partners Investment Advisor LLCCIK 0001844645
42,581$172.03K-51,992↓ DEC
T3 Companies, LLCCIK 0002052441
38,000$153.52K–no_change
Board of Trustees of The Leland Stanford Junior UniversityCIK 0001315828
35,977$145.35K–no_change
PFIZER INCCIK 0000078003
31,305$137.12K–no_change
Lynx1 Capital Management LPCIK 0001910456
30,800$124.43K+30,800NEW
Nan Fung Group Holdings LtdCIK 0001782539
29,250$118.17K-29,097↓ DEC
GEODE CAPITAL MANAGEMENT, LLCCIK 0001214717
28,791$116.33K+9,988↑ INC
NANO CAP NEW MILLENNIUM GROWTH FUND L PCIK 0001277890
27,500$111.10K+7,000↑ INC
Shay Capital LLCCIK 0001723643
14,905$60.22K-367↓ DEC
SUSQUEHANNA INTERNATIONAL GROUP, LLPCIK 0001446194
11,657$47.09K-4,985↓ DEC
CITADEL ADVISORS LLCCIK 0001423053
10,109$40.84K+10,109NEW
BlackRock, Inc.CIK 0002012383
9,711$39.23K–no_change
VANGUARD CAPITAL MANAGEMENT LLCCIK 0002100119
7,060$28.52K+7,060NEW
MORGAN STANLEYCIK 0000895421
3,189$12.88K+61↑ INC
VANGUARD FIDUCIARY TRUST COCIK 0000933478
3,095$12.50K+3,095NEW
Tower Research Capital LLC (TRC)CIK 0001533421
1,093$4.42K+370↑ INC
UBS Group AGCIK 0001610520
787$3.18K+272↑ INC
JPMORGAN CHASE & COCIK 0000019617
42$179.00–no_change
Vanguard Global Advisers, LLCCIK 0001811242
24$97.00+24NEW
SBI Securities Co., Ltd.CIK 0001851815
10$40.00–no_change
BARCLAYS PLCCIK 0000312069
6$24.00–no_change

Top Adds (Buyers)

FilerΔ SharesValue
Lynx1 Capital Management LPNEW
+30,800$124.43K
RENAISSANCE TECHNOLOGIES LLC↑ INC
+22,200$311.99K
CITADEL ADVISORS LLCNEW
+10,109$40.84K
GEODE CAPITAL MANAGEMENT, LLC↑ INC
+9,988$116.33K
VANGUARD CAPITAL MANAGEMENT LLCNEW
+7,060$28.52K
NANO CAP NEW MILLENNIUM GROWTH FUND L P↑ INC
+7,000$111.10K
VANGUARD FIDUCIARY TRUST CONEW
+3,095$12.50K
Tower Research Capital LLC (TRC)↑ INC
+370$4.42K
UBS Group AG↑ INC
+272$3.18K
MORGAN STANLEY↑ INC
+61$12.88K

Top Trims (Sellers)

FilerΔ SharesValue
Pivotal bioVenture Partners Investment Advisor LLC↓ DEC
-51,992$172.03K
Nan Fung Group Holdings Ltd↓ DEC
-29,097$118.17K
SUSQUEHANNA INTERNATIONAL GROUP, LLP↓ DEC
-4,985$47.09K
Shay Capital LLC↓ DEC
-367$60.22K