Boxer Capital Management, LLC - 31 Mar 2026 SCHEDULE 13G Report for Surrozen, Inc./DE Common Stock, $0.0001 par value per share (SRZN)

Filing manager: Boxer Capital Management, LLC
Reporting owner: Boxer Capital Management, LLC
Security: Surrozen, Inc./DE Common Stock, $0.0001 par value per share
Beneficially owned shares: 766,318 shares
Large-stake signal: Form
SCHEDULE 13G
Passive or exempt beneficial ownership filing.
Ownership
6.7%
Beneficial ownership of this reported class.
Shares
766,318 shares
Shares beneficially owned as disclosed.
Event date
31 Mar 2026
Date tied to the ownership event or amendment.
Accepted by SEC
15 May 2026
EDGAR acceptance date.
How to read this large-stake filing
Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
Compare this filing with the holder history and issuer page before treating the percentage as a current position.
Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
Class ownership: 6.7%
Symbol: SRZN
Shares outstanding: 11,489,025 shares
SEC form: SCHEDULE 13G
Accepted by SEC: 15 May 2026, 16:01:30 UTC
Event date: 31 Mar 2026
Source filing: View source filing

Key filing fact

Boxer Capital Management, LLC disclosed 6.7% ownership in Surrozen, Inc./DE Common Stock, $0.0001 par value per share (SRZN) on 31 Mar 2026.

Key facts

Boxer Capital Management, LLC filed SCHEDULE 13G for Surrozen, Inc./DE Common Stock, $0.0001 par value per share (SRZN).
Disclosed ownership: 6.7%.
Date of event: 31 Mar 2026.

This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.

Backed by Schedule 13D/13G

Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.

Reporting persons

Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.

Name	Ownership	Shares owned	Shared voting power	Signature	Title
Boxer Capital Management, LLC	6.7%	766,318	766,318	/s/ Aaron Davis	Boxer Capital Management, LLC, by Aaron Davis its Manager
Boxer Holdings, LP	6.7%	766,318	766,318	/s/ Aaron Davis	By Boxer Holdings, LP, by Boxer Holdings GP, LLC, its General Partner, by Aaron Davis its Manager
Boxer Holdings GP, LLC	6.7%	766,318	766,318	/s/ Aaron Davis	By Boxer Holdings GP, LLC by Aaron Davis, its Manager
Aaron Davis	6.7%	766,318	766,318	/s/ Aaron Davis	By Aaron Davis, an individual

CIK / CUSIP context first

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