Security key
86889P109
- Security type / class
- Equity / COM
- Total 13F shares
- 1,916,950
- Total 13F value
- $55,840,754
- Share change
- +65,600
- SEC-reported price per share
- $29.13
- Number of holders
- 1
- Value change
- +$1,910,928
- Number of buys
- 1
Report period
Q1 2026
Institutions
1
Top holders
1
SRZN full security history
Ownership snapshot
Full 13F holder table
Previous quarter: Q4 2025
Surrozen, Inc./DE SEC filings
Surrozen, Inc./DE company facts
Broader feeds
Reporting periods
Holder history for CUSIP 86889P109
Recent filing periods:
Ownership snapshot
Top reported holders of SRZN - Surrozen, Inc. - COM (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%
Venrock Healthcare Capital Partne...
9.9%
AI Biotechnology LLC
9.9%
5AM Partners VII, LLC
9.5%
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 |
|---|---|---|---|---|---|
| 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 |
| 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 |
| INTEGRATED CORE STRATEGIES (US) LLC |
13D/G
Millennium Management LLC
|
8.5%
|
$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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
1,916,950
Rows available
1
| 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
1
Q1 2026 holders
1
Holder diff
0
| 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