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Keros Therapeutics
KROS

Overview Fund Activity

138 hedge funds and large institutions have $480M invested in Keros Therapeutics in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 59 increasing their positions, 34 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
138
Holders Change
-18
Holders Change %
-11.54%
% of All Funds
1.85%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
26
Increased
59
Reduced
34
Closed
43
Calls
$13.3M
Puts
$16.4M
Net Calls
-$3.07M
Net Calls Change
+$1.47M

Top Buyers

1
ACM
ADAR1 Capital Management
Texas
$71.9M
2
MAP
Madison Avenue Partners
New York
$35.9M
3
WSL
Western Standard LLC
California
$20.5M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
$7M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
$6.31M

Top Sellers

1
NL
Nuveen LLC
North Carolina
$1.01M
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
$636K
3
Morgan Stanley
Morgan Stanley
New York
$11.7M
4
Federated Hermes
Federated Hermes
Pennsylvania
$8.73M
5
DS
DRW Securities
Illinois
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Arrowstreet Capital
51
Arrowstreet Capital
Massachusetts
$862K +$862K +64,581 New
Russell Investments Group
52
Russell Investments Group
United Kingdom
$824K +$714K +53,489 +648%
GCP
53
GSA Capital Partners
United Kingdom
$820K +$820K +61,455 New
Jane Street
54
Jane Street
New York
$765K +$138K +10,336 +22%
AG
55
Algert Global
California
$742K +$375K +28,090 +102%
Rafferty Asset Management
56
Rafferty Asset Management
New York
$725K -$13.9K -1,038 -2%
XT
57
XTX Topco
Cayman Islands
$723K +$80.4K +6,024 +13%
Mackenzie Financial
58
Mackenzie Financial
Ontario, Canada
$719K +$719K +53,877 New
HS
59
HighVista Strategies
Massachusetts
$702K +$6.82K +511 +1%
RhumbLine Advisers
60
RhumbLine Advisers
Massachusetts
$692K +$95.4K +7,146 +16%
T. Rowe Price Associates
61
T. Rowe Price Associates
Maryland
$647K +$69.3K +5,188 +12%
JPMorgan Chase & Co
62
JPMorgan Chase & Co
New York
$636K -$34.1M -2,552,803 -98%
QC
63
Quadrature Capital
United Kingdom
$627K +$242K +18,129 +63%
BNP Paribas Financial Markets
64
BNP Paribas Financial Markets
France
$622K -$472K -35,337 -43%
Invesco
65
Invesco
Georgia
$579K +$135K +10,129 +30%
Los Angeles Capital Management
66
Los Angeles Capital Management
California
$557K +$557K +41,709 New
SC
67
SummitTX Capital
Texas
$534K +$122K +9,116 +30%
DekaBank Deutsche Girozentrale
68
DekaBank Deutsche Girozentrale
Germany
$530K – – –
Qube Research & Technologies (QRT)
69
Qube Research & Technologies (QRT)
United Kingdom
$516K -$3.13M -234,665 -86%
UOC
70
UBS O'Connor
Illinois
$506K -$1.04M -77,627 -67%
Dimensional Fund Advisors
71
Dimensional Fund Advisors
Texas
$489K – – –
CM
72
Caption Management
Oklahoma
$482K -$947K -70,903 -66%
Citigroup
73
Citigroup
New York
$459K -$499K -37,378 -52%
AllianceBernstein
74
AllianceBernstein
Tennessee
$371K -$9.35K -700 -2%
PCM
75
Polymer Capital Management
New York
$363K +$209K +15,640 +136%
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