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Keros Therapeutics
KROS

Overview Fund Activity

137 hedge funds and large institutions have $479M invested in Keros Therapeutics in 2025 Q2 according to their latest regulatory filings, with 26 funds opening new positions, 59 increasing their positions, 33 reducing their positions, and 43 closing their positions.

Holders
137
Holders Change
-19
Holders Change %
-12.18%
% of All Funds
1.84%
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
33
Closed
43
Calls
$7.49M
Puts
$6.24M
Net Calls
+$1.25M
Net Calls Change
+$5.79M

Top Buyers

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

Top Sellers

1
NL
1
Nuveen LLC
North Carolina
$1.01M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$636K
3
Morgan Stanley
3
Morgan Stanley
New York
$11.7M
4
Federated Hermes
4
Federated Hermes
Pennsylvania
$8.73M
5
DS
5
DRW Securities
Illinois
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Russell Investments Group
51
Russell Investments Group
United Kingdom
$824K 61,743 +53,489 +648%
GCP
52
GSA Capital Partners
United Kingdom
$820K 61,455 +61,455 New
Jane Street
53
Jane Street
New York
$765K 57,281 +10,336 +22%
AG
54
Algert Global
California
$742K 55,570 +28,090 +102%
Rafferty Asset Management
55
Rafferty Asset Management
New York
$725K 54,294 -1,038 -2%
XT
56
XTX Topco
Cayman Islands
$723K 54,145 +6,024 +13%
Mackenzie Financial
57
Mackenzie Financial
Ontario, Canada
$719K 53,877 +53,877 New
HS
58
HighVista Strategies
Massachusetts
$702K 52,618 +511 +1%
RhumbLine Advisers
59
RhumbLine Advisers
Massachusetts
$692K 51,815 +7,146 +16%
T. Rowe Price Associates
60
T. Rowe Price Associates
Maryland
$647K 48,415 +5,188 +12%
JPMorgan Chase & Co
61
JPMorgan Chase & Co
New York
$636K 47,654 -2,552,803 -98%
QC
62
Quadrature Capital
United Kingdom
$627K 47,000 +18,129 +63%
BNP Paribas Financial Markets
63
BNP Paribas Financial Markets
France
$622K 46,599 -35,337 -43%
Invesco
64
Invesco
Georgia
$579K 43,395 +10,129 +30%
Los Angeles Capital Management
65
Los Angeles Capital Management
California
$557K 41,709 +41,709 New
SC
66
SummitTX Capital
Texas
$534K 40,000 +9,116 +30%
DekaBank Deutsche Girozentrale
67
DekaBank Deutsche Girozentrale
Germany
$530K 7,550 – –
Qube Research & Technologies (QRT)
68
Qube Research & Technologies (QRT)
United Kingdom
$516K 38,677 -234,665 -86%
UOC
69
UBS O'Connor
Illinois
$506K 37,891 -77,627 -67%
Dimensional Fund Advisors
70
Dimensional Fund Advisors
Texas
$489K 36,636 – –
CM
71
Caption Management
Oklahoma
$482K 36,078 -70,903 -66%
Citigroup
72
Citigroup
New York
$459K 34,379 -37,378 -52%
AllianceBernstein
73
AllianceBernstein
Tennessee
$371K 27,810 -700 -2%
PCM
74
Polymer Capital Management
New York
$363K 27,181 +15,640 +136%
Ohio Public Employees Retirement System (OPERS)
75
Ohio Public Employees Retirement System (OPERS)
Ohio
$348K 26,103 +26,103 New
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3
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