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Keros Therapeutics

151 hedge funds and large institutions have $206M invested in Keros Therapeutics in 2026 Q1 according to their latest regulatory filings, with 27 funds opening new positions, 48 increasing their positions, 55 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

28.42% more ownership

Funds ownership: 65.89%94.31% (+28%)

9% less funds holding

Funds holding: 166151 (-15)

13% less repeat investments, than reductions

Existing positions increased: 48 | Existing positions reduced: 55

33% less first-time investments, than exits

New positions opened: 27 | Existing positions closed: 40

50% less capital invested

Capital invested by funds: $409M → $206M (-$203M)

55% less call options, than puts

Call options by funds: $1.37M | Put options by funds: $3.05M

100% less funds holding in top 10

Funds holding in top 10: 10 (-1)

Holders
151
Holders Change
-15
Holders Change %
-9.04%
% of All Funds
1.86%
Holding in Top 10
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-100%
% of All Funds
New
27
Increased
48
Reduced
55
Closed
40
Calls
$1.37M
Puts
$3.05M
Net Calls
-$1.68M
Net Calls Change
-$7.58M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$26.6M +$1.87M +121,261 +5%
NCM
2
Nantahala Capital Management
Connecticut
$15M +$15.4M +1,000,000 +277%
VCM
3
Vanguard Capital Management
Pennsylvania
$9.18M +$12.8M +831,421 New
O
4
OrbiMed
New York
$8.38M -$696K -45,057 -6%
Qube Research & Technologies (QRT)
5
Qube Research & Technologies (QRT)
United Kingdom
$8M -$911K -58,992 -8%
Jacobs Levy Equity Management
6
Jacobs Levy Equity Management
New Jersey
$7.8M -$963K -62,354 -8%
Federated Hermes
7
Federated Hermes
Pennsylvania
$7.61M +$533K +34,505 +5%
VPM
8
Vanguard Portfolio Management
Pennsylvania
$7.53M +$10.5M +682,043 New
Geode Capital Management
9
Geode Capital Management
Massachusetts
$7.52M +$714K +46,252 +7%
MAP
10
Madison Avenue Partners
New York
$6.92M -$3.04M -197,124 -24%
Arrowstreet Capital
11
Arrowstreet Capital
Massachusetts
$6.52M -$11.5M -744,267 -56%
State Street
12
State Street
Massachusetts
$6.2M -$7.94M -514,263 -48%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$5.63M -$3.8M -245,865 -33%
Renaissance Technologies
14
Renaissance Technologies
New York
$5.01M -$2.13M -138,204 -23%
Citadel Advisors
15
Citadel Advisors
Florida
$4.49M -$1.02M -65,854 -14%
AQR Capital Management
16
AQR Capital Management
Connecticut
$4.49M +$3.49M +226,020 +125%
Two Sigma Investments
17
Two Sigma Investments
New York
$4.02M +$701K +45,396 +14%
Dimensional Fund Advisors
18
Dimensional Fund Advisors
Texas
$3.55M +$4.07M +263,347 +454%
N
19
Nuveen
North Carolina
$2.89M +$3.07M +198,978 +315%
Connor, Clark & Lunn Investment Management (CC&L)
20
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$2.85M -$980K -63,462 -20%
Northern Trust
21
Northern Trust
Illinois
$2.81M +$55.8K +3,616 +1%
Man Group
22
Man Group
United Kingdom
$2.63M +$748K +48,411 +25%
Goldman Sachs
23
Goldman Sachs
New York
$2.48M -$5.65M -366,038 -62%
BCM
24
Bridgeway Capital Management
Texas
$2.15M +$2.08M +134,939 +225%
Charles Schwab
25
Charles Schwab
California
$1.99M -$105K -6,827 -4%