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KLRS KALARIS THERAPEUTICS INC

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COM (common), issuer CIK 1754068

33 managers (33 13F filers) reported a position in KLRS shares at 2025-03-31, 13,874,351 shares in all. 33 filers opened a position and 0 filers sold out during the quarter.

Managers
33
13F filers
33
New
33
Added
0
Reduced
0
Sold out
0
Shares held by filers
13,874,351

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2025

Filers in the available 13F reports with a share position at 2025-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
SAMSARA BIOCAPITAL, LLC11,448,081$91.9M16.39%new13F-HRTimeline
GILEAD SCIENCES, INC.in group GILEAD SCIENCES, INC.723,273$5.81M0.49%new13F-HRTimelineGroup
Octagon Capital Advisors LP481,000$3.86M0.76%new13F-HR/ATimeline
TANG CAPITAL MANAGEMENT LLCin group TANG CAPITAL MANAGEMENT LLC309,221$2.48M0.14%new13F-HRTimelineGroup
Siren, L.L.C.in group Siren, L.L.C.282,586$2.27M0.13%new13F-HR/ATimelineGroup
EcoR1 Capital, LLC201,718$1.62M0.1%new13F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC115,086$924K<0.01%new13F-HRTimelineGroup
Redmile Group, LLCin group Redmile Group, LLC82,955$666K0.06%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.27,514$221K<0.01%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC26,787$215K<0.01%new13F-HRTimelineGroup
TWO SIGMA ADVISERS, LPin group TWO SIGMA INVESTMENTS, LP21,581$173K<0.01%new13F-HRTimelineGroup
Woodline Partners LP21,519$173K<0.01%new13F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC19,251$155K<0.01%new13F-HRTimeline
RBF Capital, LLC17,391$140K0.01%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC16,582$133K<0.01%new13F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC14,587$117K<0.01%new13F-HR/ATimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP14,115$113K<0.01%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…13,796$111K<0.01%new13F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP10,710$86K<0.01%new13F-HRTimelineGroup
UBS Group AGin group UBS Group AG9,261$74.4K<0.01%new13F-HRTimelineGroup
FMR LLCin group FMR LLC7,806$62.7K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/5,424$43.6K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,434$11.5K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,296$10.4K<0.01%new13F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.634$5.09K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO295$2.37K<0.01%new13F-HRTimelineGroup
COLDSTREAM CAPITAL MANAGEMENT INC208$1.67K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS127$1.02K<0.01%new13F-HRTimelineGroup
Parallel Advisors, LLC49$393<0.01%new13F-HRTimeline
Farther Finance Advisors, LLC33$264<0.01%new13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…30$241<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC1$8<0.01%new13F-HR/ATimelineGroup
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0new13F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.