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 5 closing their positions.

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
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

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

Top Sellers

1
EC
1
EcoR1 Capital
California
$0
2
GS
2
Gilead Sciences
California
$848K
3
OCA
3
Octagon Capital Advisors
New York
$961K
4
WP
4
Woodline Partners
California
$0
5
Bank of America
5
Bank of America
North Carolina
$729
Name Market Value Shares Shares
Change 		Shares
Change %
SB
1
Samsara BioCapital
California
$30.6M 11,448,081 – –
TCM
2
Tang Capital Management
California
$963K 360,859 +51,638 +17%
OCA
3
Octagon Capital Advisors
New York
$961K 360,000 -121,000 -25%
GS
4
Gilead Sciences
California
$848K 317,789 -405,484 -56%
SL
5
Siren LLC
Connecticut
$755K 282,586 – –
Vanguard Group
6
Vanguard Group
Pennsylvania
$347K 129,839 +14,753 +13%
Renaissance Technologies
7
Renaissance Technologies
New York
$258K 96,751 +77,500 +403%
RG
8
Redmile Group
California
$221K 82,955 – –
Squarepoint
9
Squarepoint
New York
$158K 59,095 +44,508 +305%
Millennium Management
10
Millennium Management
New York
$144K 54,092 +37,510 +226%
BlackRock
11
BlackRock
New York
$102K 38,156 +10,642 +39%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$68K 25,476 -1,311 -5%
XT
13
XTX Topco
Cayman Islands
$64.7K 24,234 +24,234 New
Two Sigma Advisers
14
Two Sigma Advisers
New York
$54.2K 20,281 -1,300 -6%
RC
15
RBF Capital
California
$46.4K 17,391 – –
Marshall Wace
16
Marshall Wace
United Kingdom
$37.7K 14,115 – –
State Street
17
State Street
Massachusetts
$28.6K 10,710 – –
Fidelity Investments
18
Fidelity Investments
Massachusetts
$20.8K 7,806 – –
UBS Group
19
UBS Group
Switzerland
$11K 4,116 -5,145 -56%
Raymond James Financial
20
Raymond James Financial
Florida
$7.02K 2,629 +2,629 New
TRCT
21
Tower Research Capital (TRC)
New York
$5.75K 2,153 +719 +50%
Morgan Stanley
22
Morgan Stanley
New York
$5.24K 1,964 +668 +52%
Federated Hermes
23
Federated Hermes
Pennsylvania
$1.69K 634 – –
Osaic Holdings
24
Osaic Holdings
Arizona
$1.55K 3,700 +3,700 New
Bank of America
25
Bank of America
North Carolina
$729 273 -5,151 -95%
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