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Korro Bio
KRRO

43 hedge funds and large institutions have $2.52M invested in Korro Bio in 2023 Q1 according to their latest regulatory filings, with 7 funds opening new positions, 11 increasing their positions, 7 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

57% more repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 7

0.14% less ownership

Funds ownership: 0.42% → 0.28% (-0.14%)

12% less funds holding

Funds holding: 49 → 43 (-6)

29% less call options, than puts

Call options by funds: $37K | Put options by funds: $52K

46% less first-time investments, than exits

New positions opened: 7 | Existing positions closed: 13

91% less capital invested

Capital invested by funds: $28.1M → $2.52M (-$25.6M)

Holders
43
Holders Change
-6
Holders Change %
-12.24%
% of All Funds
0.69%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
7
Increased
11
Reduced
7
Closed
13
Calls
$37K
Puts
$52K
Net Calls
-$15K
Net Calls Change
-$242K

Top Buyers

1
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$321K
2
Simplex Trading
Simplex Trading
Illinois
+$168K
3
Marshall Wace
Marshall Wace
United Kingdom
+$155K
4
Morgan Stanley
Morgan Stanley
New York
+$146K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$89K

Top Sellers

1
Federated Hermes
Federated Hermes
Pennsylvania
-$5.05M
2
WA
Wasatch Advisors
Utah
-$2.9M
3
GCP
GSA Capital Partners
United Kingdom
-$1.02M
4
Millennium Management
Millennium Management
New York
-$386K
5
BlackRock
BlackRock
New York
-$276K
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$869K +$10K +88 +0.3%
BlackRock
2
BlackRock
New York
$653K -$276K -2,420 -9%
Renaissance Technologies
3
Renaissance Technologies
New York
$194K +$85.6K +751 +11%
Geode Capital Management
4
Geode Capital Management
Massachusetts
$165K – – –
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$70K +$321K +2,819 New
State Street
6
State Street
Massachusetts
$66.9K +$20.5K +180 +7%
Susquehanna International Group
7
Susquehanna International Group
Pennsylvania
$54K +$89K +781 +57%
Morgan Stanley
8
Morgan Stanley
New York
$43.6K +$146K +1,280 +283%
Simplex Trading
9
Simplex Trading
Illinois
$40K +$168K +1,473 +944%
WPW
10
Waldron Private Wealth
Pennsylvania
$35.5K – – –
Marshall Wace
11
Marshall Wace
United Kingdom
$34K +$155K +1,362 New
NSIM
12
North Star Investment Management
Illinois
$30.2K – – –
Northern Trust
13
Northern Trust
Illinois
$30.2K -$1.59K -14 -1%
BCM
14
Bridgeway Capital Management
Texas
$25.5K -$86.6K -760 -43%
Millennium Management
15
Millennium Management
New York
$25K -$386K -3,389 -77%
JIP
16
Jaffetilchin Investment Partners
Florida
$23.5K +$1.82K +16 +2%
NFC
17
Northeast Financial Consultants
Connecticut
$23.1K – – –
CAM
18
Cresset Asset Management
Illinois
$18.9K – – –
Group One Trading
19
Group One Trading
Illinois
$17.2K +$77.6K +681 +22,700%
Bank of America
20
Bank of America
North Carolina
$16.7K +$1.48K +13 +2%
Charles Schwab
21
Charles Schwab
California
$11.8K – – –
DSC
22
Duncker Streett & Co
Missouri
$11K +$17.1K +150 +52%
RJA
23
Raymond James & Associates
Florida
$10.6K +$47.9K +420 New
EFS
24
Essex Financial Services
Connecticut
$10.1K – – –
Brown Advisory
25
Brown Advisory
Maryland
$9.96K – – –
1
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KRRO Hedge Fund Activity: Q1 2023 in Review

43 of the 6,275 institutional investors tracked by Wall St. Rank reported a position in Korro Bio (KRRO) for Q1 2023, worth a combined $2.52M — down 91% from $28.1M a quarter earlier.

Sellers outnumbered buyers: 13 funds closed out of KRRO and 7 opened new positions — a net loss of 6 holders — while 7 trimmed existing stakes and 11 added.

The largest buyer was Acadian Asset Management, opening a new position worth an estimated $321K. The largest seller was Federated Hermes, exiting entirely with an estimated $5.05M sold.

  • 43 institutional investors held Korro Bio (KRRO) as of Q1 2023, down from 49 in Q4 2022.
  • Funds reported $2.52M of Korro Bio stock for Q1 2023, down 91% quarter-over-quarter.
  • 7 funds opened new Korro Bio positions in Q1 2023 and 13 closed out, a net change of -6 holders.
  • The largest Korro Bio buyer in Q1 2023 was Acadian Asset Management, an estimated $321K added.
  • The largest Korro Bio seller in Q1 2023 was Federated Hermes, an estimated $5.05M sold.

Based on aggregated 13F filings for Q1 2023.