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SRZNW SURROZEN INC

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*W EXP 08/01/203 (warrant or right)

15 managers (15 13F filers) reported a position in SRZNW shares at 2025-09-30, 2,949,937 shares in all. 0 filers opened a position and 3 filers sold out during the quarter.

Managers
15
13F filers
15
New
0
Added
0
Reduced
1
Sold out
3
Shares held by filers
2,949,937

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
EcoR1 Capital, LLC66,665$859K0.04%013F-HRTimeline
BAKER BROS. ADVISORS LPin group BAKER BROS. ADVISORS LP833,333$14.8K<0.01%013F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP648,285$11.5K<0.01%013F-HRTimelineGroup
BRIDGER MANAGEMENT, LLC442,052$7.87K<0.01%013F-HRTimeline
Euclidean Capital LLC170,833$3.42K<0.01%013F-HRTimeline
DEERFIELD MANAGEMENT COMPANY, L.P.in group DEERFIELD MANAGEMENT COMPANY,…166,666$2.97K<0.01%013F-HRTimelineGroup
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC166,666$2.97K<0.01%013F-HRTimelineGroup
SAMSARA BIOCAPITAL, LLC99,999$1.78K<0.01%013F-HRTimeline
REGENTS OF THE UNIVERSITY OF CALIFORNIA83,333$1.57K<0.01%013F-HR/ATimeline
ArrowMark Colorado Holdings LLC108,333$1.35K<0.01%013F-HRTimeline
Boxer Capital Management, LLCin group Boxer Capital Management, LLC66,666$1K<0.01%013F-HR/ATimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/41,666$1K<0.01%013F-HRTimeline
Trustees of Columbia University in the …33,333$517<0.01%013F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…20,718$369<0.01%013F-HR/ATimelineGroup
UBS Group AGin group UBS Group AG1,389$18<0.01%-5113F-HRTimelineGroup