Security key
86889P208
Surrozen, Inc./DE - Common Stock, $0.0001 par value per share (SRZN)
CUSIP: 86889P208
Q3 2026 13F Holders as of 30 Sep 2026
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 138,567
- Total 13F value
- $4,458,086
- Share change
- -37,599
- SEC-reported price per share
- $32.18
- Number of holders
- 6
- Value change
- -$802,056
- Number of buys
- 5
- Number of sells
- 1
- Shares outstanding
- 17,788,893
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2026
Institutions
6
Top holders
6
SRZN full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q2 2026
Surrozen, Inc./DE SEC filings
Surrozen, Inc./DE company facts
Broader feeds
Reporting periods
Holder history for CUSIP 86889P208
Recent filing periods:
Ownership snapshot
Top reported holders of SRZN - Surrozen, Inc./DE - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Boxer Capital Management,...
Disclosed value leader
Venrock Healthcare Capita...
Comparable rows
15/15
Latest evidence
24 Sep 2026
13F
13D/G
3/4/5
Lead comparable stake: 12%
13D/G row: Boxer Capital Management, LLC
Showing 1-6 of 15 holder rows.
Quick read
Boxer Capital Management, LLC leads the comparable SEC ownership view at 12%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Boxer Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
Boxer Capital Management, LLC
12%
Venrock Healthcare Capital Partne...
9.9%
TCG Crossover GP II, LLC
9.9%
AI Biotechnology LLC
9.9%
RA CAPITAL MANAGEMENT, L.P.
9.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Boxer Capital Management, LLC |
13F
13D/G
Company
|
12%
Reported 13D/G
· 30 Sep 2026
|
$26,964,658
1,172,349 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Venrock Healthcare Capital Partners III, L.P. |
13D/G
|
9.9%
Reported 13D/G
· 31 Mar 2026
|
$35,981,300
1,205,000 shares
|
+$9,927,076 | 31 Mar 2026 |
| TCG Crossover GP II, LLC |
13D/G
3/4/5
Chen Yu · 10%+ Owner
|
9.9%
Reported 13D/G
· 22 Jul 2026
|
$27,405,286
1,148,101 shares
|
-$7,757,782 | 22 Jul 2026 |
| AI Biotechnology LLC |
13D/G
|
9.9%
Reported 13D/G
· 24 Mar 2025
|
$8,462,521
844,563 shares
|
$0 | 24 Mar 2025 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
|
9.2%
Reported 13D/G
· 31 Dec 2025
|
$18,001,245
871,731 shares
|
+$89,063 | 31 Dec 2025 |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
Millennium Management LLC
|
8.5%
Reported 13D/G
· 31 Dec 2025
|
$15,649,459
726,193 shares
|
+$3,477,006 | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
6
Shares
138,567
Rows available
6
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2026 vs Q2 2026 Across Filers
Q2 2026 holders
69
Q3 2026 holders
6
Holder diff
-63
| Investor | Q2 2026 Shares | Q3 2026 Shares | Share Diff | Share Chg % | Q2 2026 value | Q3 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend