Security key
86889P109
- Security type / class
- Equity / COM
- Total 13F shares
- 1,499,773
- Total 13F value
- $17,487,353
- Share change
- +689,685
- SEC-reported price per share
- $11.66
- Number of holders
- 1
- Value change
- +$8,041,727
- Number of buys
- 1
Report period
Q1 2025
Institutions
1
Top holders
1
SRZN full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 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
AI Biotechnology LLC
Disclosed value leader
AI Biotechnology LLC
Comparable rows
15/15
Latest evidence
31 Mar 2025
13D/G
13F
Lead comparable stake: 9.9%
13D/G row: AI Biotechnology LLC
Showing 1-6 of 15 holder rows.
Quick read
AI Biotechnology LLC leads the comparable SEC ownership view at 9.9%.
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 AI Biotechnology LLC's linked filing trail.
Comparable ownership
Top 5
AI Biotechnology LLC
9.9%
Nantahala Capital Partners Limite...
2.2%
PERCEPTIVE ADVISORS LLC
1.9%
Alyeska Investment Group, L.P.
0.8%
STEMPOINT CAPITAL LP
3%
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 |
|---|---|---|---|---|---|
| AI Biotechnology LLC |
13D/G
|
9.9%
|
$8,462,521
844,563 shares
|
$0 | 24 Mar 2025 |
| Nantahala Capital Partners Limited Partnership |
13D/G
|
2.2%
|
$740,658
73,918 shares
|
-$1,032,581 | 31 Mar 2025 |
| PERCEPTIVE ADVISORS LLC |
13D/G
13F
Company
|
1.9%
|
$1,669,993
166,666 shares
|
$0 | 31 Mar 2025 |
| Alyeska Investment Group, L.P. |
13D/G
13F
Company
|
0.8%
|
$269,087
26,855 shares
|
$0 | 31 Dec 2024 |
| STEMPOINT CAPITAL LP |
13F
Company
|
3%
|
$5,030,723
350,573 shares
|
— | 31 Dec 2024 |
| RA CAPITAL MANAGEMENT, L.P. |
13F
Company
|
2.4%
|
$4,055,023
282,580 shares
|
— | 31 Dec 2024 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
1
Shares
1,499,773
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 2025 vs Q4 2025 Across Filers
Q4 2025 holders
1
Q1 2025 holders
1
Holder diff
0
| Investor | Q4 2025 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q4 2025 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend