13F

Stock

Kalaris Therapeutics, Inc.

KLRS · held by 51 managers

Reported value

$151.9M

Holders

51

+2 new · −0 exited

Holders’ est. mark

$66.9K

Price effect on 2 books still in the name

Largest holder

$109.3M

SAMSARA BIOCAPITAL, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
SAMSARA BIOCAPITAL, LLC12.9M$109.3MHeld
RTW INVESTMENTS, LP1.3M$11MHeld
Paradigm Biocapital Advisors LP700K$5.91MHeld
Siren, L.L.C.435.8K$3.68MHeld
Alyeska Investment Group, L.P.403.6K$3.4MHeld
Ikarian Capital, LLC360K$3.04MHeld
Vanguard292.8K$2.47MHeld
Kalehua Capital Management LLC139.9K$1.18MHeld
Woodline Partners LP100K$844KHeld
ADAR1 Capital Management, LLC100K$844KHeld
WHI TRUST Co LLC97.5K$822.8KHeld
BOOTHBAY FUND MANAGEMENT, LLC92.3K$778.7KHeld
RAYMOND JAMES FINANCIAL INC88.4K$746.4KHeld
Renaissance Technologies87.8K$740.6KHeld
Redmile Group, LLC83K$700.1KHeld
GEODE CAPITAL MANAGEMENT, LLC82.6K$697.6KHeld
683 Capital Management, LLC80.6K$680.2KHeld
MARSHALL WACE, LLP72.9K$615.1KHeld
Propel Bio Management, LLC42.1K$354.9KHeld
Belpointe Asset Management LLC40K$337.6KHeld
Fortis Capital Advisors, LLC40K$337.6KHeld
BlackRock, Inc.38.5K$324.6KHeld
GOLDMAN SACHS GROUP INC34.3K$289.5KHeld
JANE STREET GROUP, LLC33.1K$279.5KHeld
OMERS ADMINISTRATION Corp30K$253.2KHeld
MORGAN STANLEY27.9K$235.9K$66.3KAdded$91.9K
TWO SIGMA INVESTMENTS, LP27.8K$234.3KHeld
State Street25.4K$214.5KHeld
Squarepoint Ops LLC25.4K$214.1KHeld
BRIDGEWAY CAPITAL MANAGEMENT, LLC22.5K$189.9KHeld
Simplify Asset Management Inc.20.1K$169.4KHeld
RBF Capital, LLC17.4K$146.8KHeld
NORTHERN TRUST CORP13.7K$115.2KHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP12.9K$108.5KHeld
Walleye Capital LLC11.2K$94.7KHeld
XTX Topco Ltd10.9K$92KHeld
Keel Point, LLC10.2K$86.3KNew
Connor, Clark & Lunn Investment Management Ltd.10.2K$85.7KHeld
Johnson Financial Group, Inc.10K$84.4KHeld
Fidelity7.81K$65.9KHeld
BANK OF AMERICA CORP /DE/6.7K$56.6K$577Added$55.3K
BARCLAYS PLC6.07K$51.2KNew
NANO CAP NEW MILLENNIUM GROWTH FUND L P4K$33.8KHeld
UBS Group AG2.69K$22.7KHeld
ROYAL BANK OF CANADA113$1KHeld
Fortitude Family Office, LLC114$962Held
BNP PARIBAS FINANCIAL MARKETS52$439Held
JPMORGAN CHASE & CO50$422Held
Parallel Advisors, LLC49$414Held
SBI Securities Co., Ltd.5$42Held
CITIGROUP INC1$8Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.