Surrozen
SRZN
55 hedge funds and large institutions have $195M invested in Surrozen in 2025 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 17 increasing their positions, 2 reducing their positions, and 7 closing their positions.
750% more repeat investments, than reductions
Existing positions increased: 17 | Existing positions reduced: 2
271% more first-time investments, than exits
New positions opened: 26 | Existing positions closed: 7
139% more capital invested
Capital invested by funds: $81.7M → $195M (+$113M)
53% more funds holding
Funds holding: 36 → 55 (+19)
30.92% more ownership
Funds ownership: 74% → 104.92% (+31%)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$9.89M |
| 2 |
BCM
Boxer Capital Management
San Diego,
California
|
+$6.73M |
| 3 |
CG
Column Group
San Francisco,
California
|
+$5.69M |
| 4 |
B
Braidwell
Stamford,
Connecticut
|
+$5.34M |
| 5 |
WP
Woodline Partners
San Francisco,
California
|
+$2.95M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
RA Capital Management
Boston,
Massachusetts
|
-$7.76M |
| 2 |
SB
Samsara BioCapital
Palo Alto,
California
|
-$3.11M |
| 3 |
SCM
Stonepine Capital Management
Bend,
Oregon
|
-$2.21M |
| 4 |
SC
Stempoint Capital
New York
|
-$1.52M |
| 5 |
BOTOTLSJU
Board of Trustees of The Leland Stanford Junior University
Redwood City,
California
|
-$672K |
SRZN Hedge Fund Activity: Q4 2025 in Review
55 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Surrozen (SRZN) for Q4 2025, worth a combined $195M — up 139% from $81.7M a quarter earlier.
Buyers outnumbered sellers: 26 funds opened new SRZN positions and 7 closed out — a net gain of 19 holders — while 17 added to existing stakes and 2 trimmed.
The largest buyer was Millennium Management, adding an estimated $9.89M. The largest seller was RA Capital Management, exiting entirely with an estimated $7.76M sold.
- 55 institutional investors held Surrozen (SRZN) as of Q4 2025, up from 36 in Q3 2025.
- Funds reported $195M of Surrozen stock for Q4 2025, up 139% quarter-over-quarter.
- 26 funds opened new Surrozen positions in Q4 2025 and 7 closed out, a net change of +19 holders.
- The largest Surrozen buyer in Q4 2025 was Millennium Management, an estimated $9.89M added.
- The largest Surrozen seller in Q4 2025 was RA Capital Management, an estimated $7.76M sold.
Based on aggregated 13F filings for Q4 2025.