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

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.