Security key
86889P208
Surrozen, Inc./DE - Common Stock, $0.0001 par value per share (SRZN)
CUSIP: 86889P208
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Common Stock, $0.0001 par value per share
- Total 13F shares
- 8,933,216
- Total 13F value
- $258,371,847
- Share change
- +1,898,889
- SEC-reported price per share
- $29.13
- Number of holders
- 58
- Value change
- +$59,175,029
- Number of buys
- 28
- Number of sells
- 23
- Shares outstanding
- 13,053,283
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
58
Top holders
10
SRZN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
Previous quarter: Q4 2025
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
COLUMN GROUP III GP, LP
Disclosed value leader
COLUMN GROUP III GP, LP
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
3/4/5
13F
Lead comparable stake: 29%
13D/G row: COLUMN GROUP III GP, LP
Showing 1-6 of 15 holder rows.
Quick read
COLUMN GROUP III GP, LP leads the comparable SEC ownership view at 29%.
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 COLUMN GROUP III GP, LP's linked filing trail.
Comparable ownership
Top 5
COLUMN GROUP III GP, LP
29%
TCG Crossover GP II, LLC
13%
Venrock Healthcare Capital Partne...
9.9%
AI Biotechnology LLC
9.9%
5AM Partners VII, LLC
9.5%
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 |
|---|---|---|---|---|---|
| COLUMN GROUP III GP, LP |
13D/G
3/4/5
Tim Kutzkey · 10%+ Owner
|
29%
|
$120,704,755
3,824,612 shares
|
$0 | 31 Mar 2026 |
| TCG Crossover GP II, LLC |
13D/G
3/4/5
Chen Yu · 10%+ Owner
|
13%
|
$43,986,796
1,473,101 shares
|
+$5,944,857 | 31 Mar 2026 |
| Venrock Healthcare Capital Partners III, L.P. |
13D/G
|
9.9%
|
$35,981,300
1,205,000 shares
|
+$9,927,076 | 31 Mar 2026 |
| AI Biotechnology LLC |
13D/G
|
9.9%
|
$8,462,521
844,563 shares
|
$0 | 24 Mar 2025 |
| 5AM Partners VII, LLC |
13D/G
|
9.5%
|
$34,712,250
1,162,500 shares
|
+$7,587,814 | 31 Mar 2026 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
|
9.2%
|
$18,001,245
871,731 shares
|
+$89,063 | 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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
58
Shares
8,933,216
Rows available
58
| 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 Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
53
Q1 2026 holders
58
Holder diff
5
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend