DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex

Surrozen, Inc.

1 institutions still hold Surrozen, Inc. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 86889P109·1 13F holders·last filed Mar 31, 2026

Market cap

—

▼ 1.4%

vs prior quarter

13F value held

$56M

71.0% inst. owned

of float

Holders

-132 QoQ

filers reporting

Activity

+97 / −14

+851 added · −808 reduced

this quarter

Concentration

100.00%

Column Group LLC #1

top holder share

AI Holders Summary · Q1 2026

1 institutions reported Surrozen, Inc. in Q1 2026. Column Group LLC leads at 100.0% of the visible book. -132 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter

Column Group LLC

CIK 0001833486

$56M1.9M55.45%Q1 2026