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Korro Bio
KRRO

49 hedge funds and large institutions have $28.1M invested in Korro Bio in 2022 Q4 according to their latest regulatory filings, with 4 funds opening new positions, 7 increasing their positions, 14 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

1,892% more call options, than puts

Call options by funds: $239K | Put options by funds: $12K

99% more capital invested

Capital invested by funds: $14.1M → $28.1M (+$14M)

0.03% less ownership

Funds ownership: 0.45% → 0.42% (-0.03%)

11% less funds holding

Funds holding: 55 → 49 (-6)

50% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 14

60% less first-time investments, than exits

New positions opened: 4 | Existing positions closed: 10

Holders
49
Holders Change
-6
Holders Change %
-10.91%
% of All Funds
0.79%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
4
Increased
7
Reduced
14
Closed
10
Calls
$239K
Puts
$12K
Net Calls
+$227K
Net Calls Change
-$336K

Top Buyers

1
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
+$50K
2
GCP
GSA Capital Partners
United Kingdom
+$37.1K
3
Geode Capital Management
Geode Capital Management
Massachusetts
+$36.9K
4
Bank of America
Bank of America
North Carolina
+$36K
5
DSC
Duncker Streett & Co
Missouri
+$29.5K

Top Sellers

1
BlackRock
BlackRock
New York
-$574K
2
E
Ergoteles
New York
-$190K
3
Vanguard Group
Vanguard Group
Pennsylvania
-$106K
4
Millennium Management
Millennium Management
New York
-$79.7K
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$45K
Name Holding Trade Value Shares
Change 		Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$6.63M -$106K -1,027 -3%
BlackRock
2
BlackRock
New York
$5.47M -$574K -5,577 -16%
Federated Hermes
3
Federated Hermes
Pennsylvania
$5.05M -$25.5K -248 -0.9%
WA
4
Wasatch Advisors
Utah
$2.9M – – –
Renaissance Technologies
5
Renaissance Technologies
New York
$1.34M -$42.2K -410 -6%
Geode Capital Management
6
Geode Capital Management
Massachusetts
$1.26M +$36.9K +359 +6%
GCP
7
GSA Capital Partners
United Kingdom
$1.02M +$37.1K +361 +7%
Millennium Management
8
Millennium Management
New York
$842K -$79.7K -775 -15%
State Street
9
State Street
Massachusetts
$478K – – –
BCM
10
Bridgeway Capital Management
Texas
$341K – – –
Susquehanna International Group
11
Susquehanna International Group
Pennsylvania
$263K +$23.1K +225 +20%
Northern Trust
12
Northern Trust
Illinois
$234K – – –
NSIM
13
North Star Investment Management
Illinois
$231K – – –
JIP
14
Jaffetilchin Investment Partners
Florida
$177K -$4.63K -45 -5%
NFC
15
Northeast Financial Consultants
Connecticut
$176K – – –
Goldman Sachs
16
Goldman Sachs
New York
$165K -$26.8K -260 -23%
Citadel Advisors
17
Citadel Advisors
Florida
$157K -$6.79K -66 -7%
CAM
18
Cresset Asset Management
Illinois
$144K – – –
WPW
19
Waldron Private Wealth
Pennsylvania
$126K – – –
Bank of America
20
Bank of America
North Carolina
$126K +$36K +350 +116%
E
21
Ergoteles
New York
$98.4K -$190K -1,844 -78%
Charles Schwab
22
Charles Schwab
California
$90K – – –
Morgan Stanley
23
Morgan Stanley
New York
$87K -$15.2K -148 -25%
EFS
24
Essex Financial Services
Connecticut
$77K – – –
Neuberger Berman Group
25
Neuberger Berman Group
New York
$77K – – –
1
2 3

KRRO Hedge Fund Activity: Q4 2022 in Review

49 of the 6,221 institutional investors tracked by Wall St. Rank reported a position in Korro Bio (KRRO) for Q4 2022, worth a combined $28.1M — up 99% from $14.1M a quarter earlier.

Sellers outnumbered buyers: 10 funds closed out of KRRO and 4 opened new positions — a net loss of 6 holders — while 14 trimmed existing stakes and 7 added.

The largest buyer was Dimensional Fund Advisors, adding an estimated $50K. The largest seller was BlackRock, cutting an estimated $574K.

  • 49 institutional investors held Korro Bio (KRRO) as of Q4 2022, down from 55 in Q3 2022.
  • Funds reported $28.1M of Korro Bio stock for Q4 2022, up 99% quarter-over-quarter.
  • 4 funds opened new Korro Bio positions in Q4 2022 and 10 closed out, a net change of -6 holders.
  • The largest Korro Bio buyer in Q4 2022 was Dimensional Fund Advisors, an estimated $50K added.
  • The largest Korro Bio seller in Q4 2022 was BlackRock, an estimated $574K sold.

Based on aggregated 13F filings for Q4 2022.