Security key
86889P117
- Security type / class
- Equity / *W EXP 08/01/203
- Total 13F shares
- 3,051,141
- Total 13F value
- $650,072
- Share change
- -20,313
- SEC-reported price per share
- $0.02
- Number of holders
- 19
- Value change
- -$661
- Number of buys
- 2
- Number of sells
- 3
Report period
Q2 2025
Institutions
19
Top holders
10
SRZNW full security history
Ownership snapshot
Full 13F holder table
Surrozen, Inc./DE SEC filings
Surrozen, Inc./DE company facts
Broader feeds
Ownership snapshot
Top reported holders of SRZNW - Surrozen, Inc./DE - *W EXP 08/01/203 (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
Column Group LLC
Comparable rows
5/15
Latest evidence
31 Mar 2025
13D/G
13F
Lead comparable stake: 9.9%
10 rows are not safely comparable across share classes.
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%.
5 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%
DRIEHAUS CAPITAL MANAGEMENT LLC
0.79%
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%
Reported 13D/G
· 24 Mar 2025
|
$8,462,521
844,563 shares
|
$0 | 24 Mar 2025 |
| Nantahala Capital Partners Limited Partnership |
13D/G
|
2.2%
Reported 13D/G
· 31 Mar 2025
|
$740,658
73,918 shares
|
-$1,032,581 | 31 Mar 2025 |
| PERCEPTIVE ADVISORS LLC |
13D/G
13F
Company
|
1.9%
Reported 13D/G
· 31 Mar 2025
|
$1,669,993
166,666 shares
|
$0 | 31 Mar 2025 |
| Alyeska Investment Group, L.P. |
13D/G
13F
Company
|
0.8%
Reported 13D/G
· 31 Dec 2024
|
$269,087
26,855 shares
|
$0 | 31 Dec 2024 |
| DRIEHAUS CAPITAL MANAGEMENT LLC |
13F
13D/G
Company
|
0.79%
Reported 13D/G
· 30 Jun 2025
|
$2,389,530
204,934 shares
|
— | 31 Mar 2025 |
| Column Group LLC |
13F
Company
|
—
denominator unverified
|
$17,487,353
1,499,773 shares
|
— | 31 Mar 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 Q2 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
19
Shares
3,051,141
Rows available
19
| 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 Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
18
Q2 2025 holders
19
Holder diff
1
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 value | Q2 2025 value | Value change | Value Chg % |
|---|