Korro Bio
KRRO
83 hedge funds and large institutions have $60.6M invested in Korro Bio in 2025 Q4 according to their latest regulatory filings, with 22 funds opening new positions, 24 increasing their positions, 22 reducing their positions, and 30 closing their positions.
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
9% more repeat investments, than reductions
Existing positions increased: 24 | Existing positions reduced: 22
10% less funds holding
Funds holding: 92 → 83 (-9)
23.68% less ownership
Funds ownership: 103.97% → 80.3% (-24%)
27% less first-time investments, than exits
New positions opened: 22 | Existing positions closed: 30
87% less capital invested
Capital invested by funds: $466M → $60.6M (-$405M)
98% less call options, than puts
Call options by funds: $163K | Put options by funds: $7.93M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LCM
Lynx1 Capital Management
San Juan,
Puerto Rico
|
+$15.8M |
| 2 |
NCM
Nantahala Capital Management
New Canaan,
Connecticut
|
+$14M |
| 3 |
Jane Street
New York
|
+$6.74M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
+$4.6M |
| 5 |
Vanguard Group
Malvern,
Pennsylvania
|
+$2.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DCM
Driehaus Capital Management
Chicago,
Illinois
|
-$32.2M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$25.5M |
| 3 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
-$22.3M |
| 4 |
TLP
Tri Locum Partners
New York
|
-$16.2M |
| 5 |
PCH
Polar Capital Holdings
London,
United Kingdom
|
-$12.7M |
KRRO Hedge Fund Activity: Q4 2025 in Review
83 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Korro Bio (KRRO) for Q4 2025, worth a combined $60.6M — down 87% from $466M a quarter earlier.
Sellers outnumbered buyers: 30 funds closed out of KRRO and 22 opened new positions — a net loss of 8 holders — while 22 trimmed existing stakes and 24 added.
The largest buyer was Lynx1 Capital Management, opening a new position worth an estimated $15.8M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $32.2M sold.
- 83 institutional investors held Korro Bio (KRRO) as of Q4 2025, down from 92 in Q3 2025.
- Funds reported $60.6M of Korro Bio stock for Q4 2025, down 87% quarter-over-quarter.
- 22 funds opened new Korro Bio positions in Q4 2025 and 30 closed out, a net change of -8 holders.
- The largest Korro Bio buyer in Q4 2025 was Lynx1 Capital Management, an estimated $15.8M added.
- The largest Korro Bio seller in Q4 2025 was Driehaus Capital Management, an estimated $32.2M sold.
Based on aggregated 13F filings for Q4 2025.