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Kalaris Therapeutics, Inc.

KLRS
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001754068

No open-market purchases or sales by Kalaris Therapeutics, Inc. insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $73.4M in total; no superinvestor holds it.

13F holders, Q1 2024

Institutional positions in Kalaris Therapeutics, Inc. as of Mar 31, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
77
−4 vs. Q4 2023
Shares held
49.3M
+7.45M (+17.8%) vs. Q4 2023
Total value
$36.4M
+$7.91M (+27.8%) vs. Q4 2023
New holders
12
22 more added
Sold out
16
28 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KLRS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2024: 77 institutions
Q1 2021: 75 institutionsQ2 2021: 84 institutionsQ3 2021: 80 institutionsQ4 2021: 84 institutionsQ1 2022: 84 institutionsQ2 2022: 84 institutionsQ3 2022: 87 institutionsQ4 2022: 86 institutionsQ1 2023: 89 institutionsQ2 2023: 94 institutionsQ3 2023: 90 institutionsQ4 2023: 82 institutionsQ1 2024: 77 institutionsQ2 2024: 72 institutionsQ3 2024: 60 institutionsQ4 2024: 53 institutionsQ1 2025: 32 institutionsQ2 2025: 30 institutionsQ3 2025: 32 institutionsQ4 2025: 51 institutionsQ1 2026: 58 institutionsQ2 2026: 56 institutions
Value heldQ1 2024: $36.4M
Q1 2021: $624.4MQ2 2021: $521.8MQ3 2021: $640.3MQ4 2021: $329.4MQ1 2022: $184.1MQ2 2022: $109.6MQ3 2022: $293.7MQ4 2022: $193.1MQ1 2023: $156.0MQ2 2023: $183.6MQ3 2023: $115.5MQ4 2023: $28.5MQ1 2024: $36.4MQ2 2024: $33.9MQ3 2024: $36.3MQ4 2024: $20.7MQ1 2025: $111.4MQ2 2025: $35.7MQ3 2025: $76.4MQ4 2025: $151.9MQ1 2026: $107.2MQ2 2026: $73.4M
Institutions holding KLRS and their total value by quarter
QuarterHoldersValue
Q2 202656$73.4M
Q1 202658$107.2M
Q4 202551$151.9M
Q3 202532$76.4M
Q2 202530$35.7M
Q1 202532$111.4M
Q4 202453$20.7M
Q3 202460$36.3M
Q2 202472$33.9M
Q1 202477$36.4M
Q4 202382$28.5M
Q3 202390$115.5M
Q2 202394$183.6M
Q1 202389$156.0M
Q4 202286$193.1M
Q3 202287$293.7M
Q2 202284$109.6M
Q1 202284$184.1M
Q4 202184$329.4M
Q3 202180$640.3M
Q2 202184$521.8M
Q1 202175$624.4M

Institutions, Q1 2024

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q4 2023.

Institutions holding KLRS in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Nelson, Van Denburg & Campbell Wealth Management Group, LLC9$60.00%+9New
Farther Finance Advisors, LLC93$750.00%+93New
Parallel Advisors, LLC1,145$8640.00%00.0%Unchanged
Royal Bank of Canada1,196$1.00K0.00%−13,981−92.1%Reduced
Amalgamated Bank1,027$1.00K0.00%−1,815−63.9%Reduced
CWM, LLC1,571$1.00K0.00%+1,566+31,320.0%Added
Avion Wealth683$1.00K0.00%+683New
EverSource Wealth Advisors, LLC1,329$1.06K0.00%+1,329New
Ameritas Investment Partners, Inc.2,408$1.82K0.00%00.0%Unchanged
Quantbot Technologies LP3,259$2.46K0.00%−5,225−61.6%Reduced
Legal & General Group Plc4,029$3.04K0.00%−2,339−36.7%Reduced
Strengthening Families & Communities, LLC6,200$5.00K0.00%00.0%Unchanged
New York State Common Retirement Fund7,467$5.64K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)10,172$7.68K0.00%−4,291−29.7%Reduced
Citigroup Inc10,447$7.89K0.00%+2,978+39.9%Added
Invesco Ltd.11,912$8.99K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.15,000$11.3K0.00%00.0%Unchanged
Federated Hermes, Inc.15,205$11.5K0.00%+13,240+673.8%Added
Engineers Gate Manager LP16,114$12.2K0.00%−46,638−74.3%Reduced
SG Americas Securities, LLC17,584$13.0K0.00%+283+1.6%Added
Wells Fargo & Company18,263$13.8K0.00%+2,295+14.4%Added
PFG Investments, LLC19,000$14.3K0.00%−500−2.6%Reduced
Cubist Systematic Strategies, LLC19,744$14.9K0.00%−7,059−26.3%Reduced
Principal Financial Group Inc20,732$15.7K0.00%−2,205−9.6%Reduced
Manufacturers Life Insurance Company, The21,345$16.1K0.00%−1,665−7.2%Reduced
American International Group, Inc.1,153,976$19.8K0.00%−2170.0%Reduced
Capstone Investment Advisors, LLC27,250$20.6K0.00%+2,250+9.0%Added
JustInvest LLC28,438$21.5K0.00%+16,885+146.2%Added
JPMorgan Chase & Co30,184$22.8K0.00%−334,733−91.7%Reduced
Barclays PLC35,247$26.6K0.00%−34,401−49.4%Reduced
Amundi45,448$33.7K0.00%00.0%Unchanged
Bank of America Corp45,381$34.2K0.00%−24,781−35.3%Reduced
XTX Topco Ltd46,460$35.1K0.00%−8,355−15.2%Reduced
Tudor Investment Corp Et Al49,620$37.5K0.00%00.0%Unchanged
UBS Group AG55,496$41.9K0.00%−5,132−8.5%Reduced
Raymond James Financial Services Advisors, Inc.60,500$45.7K0.00%+27,060+80.9%Added
Verition Fund Management LLC63,815$48.2K0.00%+63,815New
Alliancebernstein L.P.64,430$48.6K0.00%00.0%Unchanged
Rhumbline Advisers68,999$52.1K0.00%+5,381+8.5%Added
Dimensional Fund Advisors LP69,769$52.7K0.00%−1,400−2.0%Reduced
Deutsche Bank AG70,751$53.8K0.00%+49,157+227.6%Added
Lido Advisors, LLC79,416$60.0K0.00%00.0%Unchanged
Samsara BioCapital, LLC82,336$62.2K0.01%00.0%Unchanged
Susquehanna International Group, LLP91,695$69.2K0.00%+55,796+155.4%Added
AQR Capital Management LLC93,759$70.8K0.00%−30,641−24.6%Reduced
Price T Rowe Associates Inc97,986$74.0K0.00%+54,900+127.4%Added
Qube Research & Technologies Ltd107,658$81.3K0.00%−89,360−45.4%Reduced
Citadel Advisors LLC146,200$110.4K0.00%−93,669−39.1%Reduced
Bank of New York Mellon Corp159,423$120.3K0.00%−45,551−22.2%Reduced
Goldman Sachs Group Inc160,493$121.2K0.00%−305,578−65.6%Reduced
Marquette Asset Management, LLC178,883$135.0K0.02%+178,883New
BML Capital Management, LLC200,464$151.3K0.10%+200,464New
Commonwealth Equity Services, LLC203,500$154.0K0.00%00.0%Unchanged
Pennant Investors, LP215,700$162.8K0.05%00.0%Unchanged
Gsa Capital Partners LLP226,627$171.0K0.01%+17,846+8.5%Added
FMR LLC271,837$205.2K0.00%−5,420,945−95.2%Reduced
Two Sigma Advisers, LP298,400$225.3K0.00%+199,600+202.0%Added
Two Sigma Investments, LP317,846$239.9K0.00%+53,291+20.1%Added
Morgan Stanley353,727$267.0K0.00%−158,790−31.0%Reduced
Marshall Wace, LLP365,136$273.9K0.00%+40,478+12.5%Added
Northern Trust Corp449,475$339.3K0.00%+20,297+4.7%Added
Charles Schwab Investment Management Inc460,826$347.9K0.00%−15,006−3.2%Reduced
Renaissance Technologies LLC861,494$650.0K0.00%+99,529+13.1%Added
D. E. Shaw & Co., Inc.869,862$656.7K0.00%+617,223+244.3%Added
Acuitas Investments, LLC979,600$739.5K0.37%+979,600New
State Street Corp1,178,256$889.5K0.00%+97,152+9.0%Added
Geode Capital Management, LLC1,273,922$961.8K0.00%+20,684+1.7%Added
Acadian Asset Management LLC1,587,451$1.20M0.00%+1,387,666+694.6%Added
Redmile Group, LLC1,907,969$1.44M0.05%00.0%Unchanged
Irenic Capital Management LP2,579,582$1.95M0.50%+2,579,582New
Vanguard Group Inc2,922,454$2.21M0.00%−16,151−0.5%Reduced
Millennium Management LLC2,942,608$2.22M0.00%−961,401−24.6%Reduced
BlackRock Inc.3,385,831$2.56M0.00%−140,281−4.0%Reduced
Octagon Capital Advisors LP4,200,000$3.17M0.39%+4,200,000New
Artal Group S.A.6,597,167$4.98M0.13%00.0%Unchanged
EcoR1 Capital, LLC11,294,585$8.53M0.22%+11,294,585New
Mirae Asset Global Investments Co., Ltd.12,116––+12,116New
Wasatch Advisors Inc0$00.00%−3,784,623−100.0%Sold out
Woodline Partners LP0$00.00%−2,511,004−100.0%Sold out
Squarepoint Ops LLC0$00.00%−285,138−100.0%Sold out
683 Capital Management, LLC0$00.00%−190,581−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−82,247−100.0%Sold out
Jane Street Group, LLC0$00.00%−63,727−100.0%Sold out
Virtu Financial LLC0$00.00%−41,269−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−36,004−100.0%Sold out
American Century Companies Inc0$00.00%−23,111−100.0%Sold out
Voya Investment Management LLC0$00.00%−21,504−100.0%Sold out
State Board of Administration of Florida Retirement System0$00.00%−13,226−100.0%Sold out
Baker Ellis Asset Management LLC0$00.00%−10,000−100.0%Sold out
California State Teachers Retirement System0$00.00%−8,379−100.0%Sold out
Lazard Asset Management LLC0$00.00%−2,373−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−710−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−126−100.0%Sold out
Focus Financial Network Inc––––Not filed