Korro Bio
KRRO
70 hedge funds and large institutions have $115M invested in Korro Bio in 2025 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 26 increasing their positions, 13 reducing their positions, and 15 closing their positions.
100% more repeat investments, than reductions
Existing positions increased: 26 | Existing positions reduced: 13
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
7% less funds holding
Funds holding: 75 → 70 (-5)
6.96% less ownership
Funds ownership: 103.35% → 96.4% (-7%)
32% less capital invested
Capital invested by funds: $169M → $115M (-$54.2M)
33% less first-time investments, than exits
New positions opened: 10 | Existing positions closed: 15
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$2.11M |
| 2 |
BOCH
Blue Owl Capital Holdings
New York
|
+$1.8M |
| 3 |
Citadel Advisors
Miami,
Florida
|
+$1.4M |
| 4 |
ABG
Ally Bridge Group
New York
|
+$1.36M |
| 5 |
CAM
Cormorant Asset Management
Boston,
Massachusetts
|
+$1.22M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AllianceBernstein
Nashville,
Tennessee
|
-$11.8M |
| 2 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
-$8.59M |
| 3 |
Franklin Resources
San Mateo,
California
|
-$1.6M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$801K |
| 5 |
SSA
Schonfeld Strategic Advisors
New York
|
-$531K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
76
William Blair & Company
Chicago,
Illinois
| – | -$283K | -16,230 | Closed |
|
|
N
77
Nuveen
Charlotte,
North Carolina
| – | -$211K | -12,145 | Closed |
|
|
XT
78
XTX Topco
George Town,
Cayman Islands
| – | -$185K | -10,600 | Closed |
|
79
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$181K | -10,372 | Closed |
|
80
Barclays
London,
United Kingdom
| – | -$126K | -7,241 | Closed |
|
|
MIM
81
MetLife Investment Management
Whippany,
New Jersey
| – | -$63.4K | -3,639 | Closed |
|
|
CF
82
Corebridge Financial
Houston,
Texas
| – | -$52.6K | -3,019 | Closed |
|
83
Federated Hermes
Pittsburgh,
Pennsylvania
| – | -$1.11K | -64 | Closed |
|
|
BP
84
BNP Paribas
Paris,
France
| – | -$1.03K | -59 | Closed |
|
|
SWM
85
Spire Wealth Management
Mclean,
Virginia
| – | -$679 | -39 | Closed |
|
|
TWD
86
True Wealth Design
Akron,
Ohio
| – | -$18 | -1 | Closed |
|
KRRO Hedge Fund Activity: Q2 2025 in Review
70 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Korro Bio (KRRO) for Q2 2025, worth a combined $115M — down 32% from $169M a quarter earlier.
Sellers outnumbered buyers: 15 funds closed out of KRRO and 10 opened new positions — a net loss of 5 holders — while 13 trimmed existing stakes and 26 added.
The largest buyer was Millennium Management, adding an estimated $2.11M. The largest seller was AllianceBernstein, exiting entirely with an estimated $11.8M sold.
- 70 institutional investors held Korro Bio (KRRO) as of Q2 2025, down from 75 in Q1 2025.
- Funds reported $115M of Korro Bio stock for Q2 2025, down 32% quarter-over-quarter.
- 10 funds opened new Korro Bio positions in Q2 2025 and 15 closed out, a net change of -5 holders.
- The largest Korro Bio buyer in Q2 2025 was Millennium Management, an estimated $2.11M added.
- The largest Korro Bio seller in Q2 2025 was AllianceBernstein, an estimated $11.8M sold.
Based on aggregated 13F filings for Q2 2025.