KLRS

Kalaris Therapeutics, Inc. Common Stock
KLRS

Overview Fund Activity

31 hedge funds and large institutions have $35.7M invested in Kalaris Therapeutics, Inc. Common Stock in 2025 Q2 according to their latest regulatory filings, with 5 funds opening new positions, 9 increasing their positions, 7 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
31
Holders Change
-1
Holders Change %
-3.13%
% of All Funds
0.42%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
5
Increased
9
Reduced
7
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Renaissance Technologies
Renaissance Technologies
New York
$258K
2
TCM
Tang Capital Management
California
$963K
3
Squarepoint
Squarepoint
New York
$158K
4
Millennium Management
Millennium Management
New York
$144K
5
XT
XTX Topco
Cayman Islands
$64.7K

Top Sellers

1
EC
EcoR1 Capital
California
$0
2
GS
Gilead Sciences
California
$848K
3
OCA
Octagon Capital Advisors
New York
$961K
4
WP
Woodline Partners
California
$0
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
SB
1
Samsara BioCapital
California
$30.6M – – –
TCM
2
Tang Capital Management
California
$963K +$138K +51,638 +17%
OCA
3
Octagon Capital Advisors
New York
$961K -$323K -121,000 -25%
GS
4
Gilead Sciences
California
$848K -$1.08M -405,484 -56%
SL
5
Siren LLC
Connecticut
$755K – – –
Vanguard Group
6
Vanguard Group
Pennsylvania
$347K +$39.4K +14,753 +13%
Renaissance Technologies
7
Renaissance Technologies
New York
$258K +$207K +77,500 +403%
RG
8
Redmile Group
California
$221K – – –
Squarepoint
9
Squarepoint
New York
$158K +$119K +44,508 +305%
Millennium Management
10
Millennium Management
New York
$144K +$100K +37,510 +226%
BlackRock
11
BlackRock
New York
$102K +$28.4K +10,642 +39%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$68K -$3.5K -1,311 -5%
XT
13
XTX Topco
Cayman Islands
$64.7K +$64.7K +24,234 New
Two Sigma Advisers
14
Two Sigma Advisers
New York
$54.2K -$3.47K -1,300 -6%
RC
15
RBF Capital
California
$46.4K – – –
Marshall Wace
16
Marshall Wace
United Kingdom
$37.7K – – –
State Street
17
State Street
Massachusetts
$28.6K – – –
Fidelity Investments
18
Fidelity Investments
Massachusetts
$20.8K – – –
UBS Group
19
UBS Group
Switzerland
$11K -$13.7K -5,145 -56%
Raymond James Financial
20
Raymond James Financial
Florida
$7.02K +$7.02K +2,629 New
TRCT
21
Tower Research Capital (TRC)
New York
$5.75K +$1.92K +719 +50%
Morgan Stanley
22
Morgan Stanley
New York
$5.24K +$1.78K +668 +52%
Federated Hermes
23
Federated Hermes
Pennsylvania
$1.69K – – –
Osaic Holdings
24
Osaic Holdings
Arizona
$1.55K +$1.55K +3,700 New
Bank of America
25
Bank of America
North Carolina
$729 -$13.8K -5,151 -95%
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