13F Insight
DOSSIER · 13F Holders · Q2 2026
SRZNW

SURROZEN INC

20 institutions still hold SURROZEN INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 86889P117·20 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$170K
visible holders
Holders
20
filers reporting
Concentration
67.79%
EcoR1 Capital, LLC #1
top holder share
AI Holders Summary · Q2 2026

20 institutions reported SRZNW in Q2 2026. EcoR1 Capital, LLC leads at 67.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
EcoR1 Capital, LLC
CIK 0001587114
$115K4K0.01%Q2 202602
BAKER BROS. ADVISORS LP
CIK 0001263508
$17K833K0.00%Q4 202503
LMR Partners LLP
CIK 0001578621
$11K648K0.00%Q2 202604
BRIDGER MANAGEMENT, LLC
CIK 0001166309
$7K442K0.00%Q2 202605
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 0001009258
$3K167K0.00%Q4 202506
Euclidean Capital LLC
CIK 0001825034
$3K171K0.00%Q2 202607
PERCEPTIVE ADVISORS LLC
CIK 0001224962
$3K167K0.00%Q1 202608
SymBiosis Capital Partners, LLC
CIK 0002006045
$2K150K0.00%Q1 202609
ArrowMark Colorado Holdings LLC
CIK 0001483859
$2K108K0.00%Q2 202610
CITIGROUP INC
CIK 0000831001
$2K107K0.00%Q2 202611
REGENTS OF THE UNIVERSITY OF CALIFORNIA
CIK 0000315054
$1K83K0.00%Q2 202612
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$1K74K0.00%Q2 202613
Boxer Capital Management, LLC
CIK 0002018299
$1K67K0.00%Q2 202614
PRICE T ROWE ASSOCIATES INC /MD/
CIK 0000080255
$1K42K0.00%Q1 202615
Trustees of Columbia University in the City of New York
CIK 0001420995
$56733K0.00%Q2 202616
UBS Group AG
CIK 0001610520
$553K0.00%Q2 202617
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$513K0.00%Q2 202618
Clear Street Group Inc.
CIK 0001881567
$53000.00%Q2 202619
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 202520
Virtu Financial LLC
CIK 0001533964· Market maker
$011K0.00%Q1 2026