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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
70
Holders Change
-5
Holders Change %
-6.67%
% of All Funds
0.92%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
10
Increased
26
Reduced
13
Closed
15
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
+$2.11M
2
BOCH
Blue Owl Capital Holdings
New York
+$1.8M
3
Citadel Advisors
Citadel Advisors
Florida
+$1.4M
4
ABG
Ally Bridge Group
New York
+$1.36M
5
CAM
Cormorant Asset Management
Massachusetts
+$1.22M

Top Sellers

Rank Fund Capital Flow
1
AllianceBernstein
AllianceBernstein
Tennessee
-$11.8M
2
DTC
Deep Track Capital
Connecticut
-$8.59M
3
Franklin Resources
Franklin Resources
California
-$1.6M
4
UBS Group
UBS Group
Switzerland
-$801K
5
SSA
Schonfeld Strategic Advisors
New York
-$531K
Name Holding Trade Value Shares
Change 		Change in
Stake
PFSRSONJ
51
Police & Firemen's Retirement System of New Jersey
New Jersey
$15.3K – – –
SPIA
52
Steward Partners Investment Advisory
New York
$14.4K +$7.2K +500 +77%
BNP Paribas Financial Markets
53
BNP Paribas Financial Markets
France
$8.16K +$4.03K +280 +75%
AIP
54
Ameritas Investment Partners
Nebraska
$7.47K – – –
Carson Wealth (CWM LLC)
55
Carson Wealth (CWM LLC)
Nebraska
$7K +$7.3K +507 +1,237%
Legal & General Group
56
Legal & General Group
United Kingdom
$6.57K -$576 -40 -7%
California State Teachers Retirement System (CalSTRS)
57
California State Teachers Retirement System (CalSTRS)
California
$5.52K – – –
DSC
58
Duncker Streett & Co
Missouri
$5.46K – – –
VCM
59
Versant Capital Management
Arizona
$3.52K +$4.06K +282 New
AB
60
Amalgamated Bank
New York
$3K – – –
SCM
61
Sterling Capital Management
North Carolina
$1.51K +$562 +39 +48%
GI
62
GAMMA Investing
California
$824 -$7.59K -527 -89%
Nisa Investment Advisors
63
Nisa Investment Advisors
Missouri
$375 -$4.33K -301 -91%
RA
64
Rise Advisors
New York
$362 +$418 +29 New
EWA
65
EverSource Wealth Advisors
Alabama
$275 +$317 +22 New
SS
66
SBI Securities
Japan
$87 – – –
IA
67
IFP Advisors
Florida
$75 – – –
MCM
68
MAI Capital Management
Ohio
$63 – – –
EP
69
Essential Partners
California
$37 +$43 +3 New
Northwestern Mutual Wealth Management
70
Northwestern Mutual Wealth Management
Wisconsin
$25 +$29 +2 New
Osaic Holdings
71
Osaic Holdings
Arizona
$12 – – –
AllianceBernstein
72
AllianceBernstein
Tennessee
– -$11.8M -680,517 Closed
Franklin Resources
73
Franklin Resources
California
– -$1.6M -91,704 Closed
SSA
74
Schonfeld Strategic Advisors
New York
– -$531K -30,475 Closed
Goldman Sachs
75
Goldman Sachs
New York
– -$365K -20,944 Closed
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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.