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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 2021

Institutional positions in Kalaris Therapeutics, Inc. as of Mar 31, 2021. 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
75
No complete 13F data for Q4 2020
Shares held
26.7M
No complete 13F data for Q4 2020
Total value
$624.4M
No complete 13F data for Q4 2020

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 2021: 75 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 2021: $624.4M
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 2021

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding KLRS in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC6,958,852$162.8M0.01%––
BlackRock Inc.2,373,060$55.5M0.00%––
Artal Group S.A.2,323,371$54.4M1.15%––
Vanguard Group Inc2,185,463$51.1M0.00%––
Redmile Group, LLC1,943,587$45.5M0.64%––
State Street Corp1,564,335$36.6M0.00%––
Woodline Partners LP1,179,934$27.6M0.61%––
Alliancebernstein L.P.1,099,800$25.7M0.01%––
Alkeon Capital Management LLC1,097,000$25.7M0.10%––
American International Group, Inc.1,006,142$23.5M0.10%––
Massachusetts Financial Services Co613,355$14.4M0.00%––
JPMorgan Chase & Co498,498$11.7M0.00%––
EcoR1 Capital, LLC447,012$10.5M0.47%––
Geode Capital Management, LLC427,584$10.0M0.00%––
Marshall Wace North America L.P.328,018$7.68M0.03%––
Northern Trust Corp291,586$6.82M0.00%––
Goldman Sachs Group Inc280,310$6.56M0.00%––
Marshall Wace, LLP152,939$3.58M0.02%––
Charles Schwab Investment Management Inc142,934$3.35M0.00%––
ArrowMark Colorado Holdings LLC125,000$2.92M0.02%––
Alps Advisors Inc117,787$2.76M0.03%––
Nuveen Asset Management, LLC99,739$2.33M0.00%––
CWM, LLC112,478$2.22M0.02%––
Citigroup Inc93,776$2.19M0.00%––
Bank of New York Mellon Corp84,161$1.97M0.00%––
Samsara BioCapital, LLC82,336$1.93M0.39%––
Rafferty Asset Management, LLC74,545$1.74M0.01%––
Morgan Stanley73,018$1.71M0.00%––
UBS Group AG71,828$1.68M0.00%––
Susquehanna International Group, LLP71,519$1.67M0.00%––
D. E. Shaw & Co., Inc.61,672$1.44M0.00%––
Cubist Systematic Strategies, LLC58,326$1.36M0.02%––
California State Teachers Retirement System44,652$1.04M0.00%––
TCW Group Inc40,667$951.0K0.01%––
Two Sigma Investments, LP35,810$838.0K0.00%––
California Public Employees Retirement System34,700$812.0K0.00%––
Walleye Capital LLC31,845$745.0K0.05%––
Bank of America Corp31,513$738.0K0.00%––
Swiss National Bank29,400$688.0K0.00%––
Rhumbline Advisers28,862$675.0K0.00%––
Caption Management, LLC28,000$656.0K0.08%––
Deutsche Bank AG26,224$613.0K0.00%––
State of Wisconsin Investment Board25,300$592.0K0.00%––
Laurion Capital Management LP25,000$585.0K0.01%––
Advisor Group Holdings, Inc.24,941$584.0K0.00%––
Focus Financial Network, Inc.24,941$583.6K0.07%––
Sectoral Asset Management Inc21,450$502.0K0.04%––
New York State Common Retirement Fund21,300$498.0K0.00%––
DekaBank Deutsche Girozentrale19,000$422.0K0.00%––
Manufacturers Life Insurance Company, The16,971$397.0K0.00%––
ProShare Advisors LLC16,926$396.0K0.00%––
Erste Asset Management GmbH16,400$363.9K0.01%––
Jump Financial, LLC15,002$351.0K0.03%––
Voya Investment Management LLC12,758$299.0K0.00%––
MetLife Investment Management11,916$278.8K0.00%––
Cna Financial Corp11,705$274.0K0.08%––
Trexquant Investment LP11,218$263.0K0.02%––
Credit Suisse AG11,078$258.0K0.00%––
SG Americas Securities, LLC10,259$240.0K0.00%––
Metropolitan Life Insurance Co8,709$203.8K0.00%––
Virtus ETF Advisers LLC7,478$175.0K0.07%––
Legal & General Group Plc3,838$90.0K0.00%––
Royal Bank of Canada2,362$56.0K0.00%––
Ameritas Investment Partners, Inc.2,408$56.0K0.00%––
Pacer Advisors, Inc.1,740$41.0K0.00%––
Tower Research Capital LLC (TRC)1,645$38.0K0.00%––
Penserra Capital Management LLC1,470$34.0K0.00%––
Zurcher Kantonalbank (Zurich Cantonalbank)1,366$32.0K0.00%––
Bank of Montreal871$21.0K0.00%––
Great West Life Assurance Co917$21.0K0.00%––
Simplex Trading, LLC544$12.0K0.00%––
Point72 Hong Kong Ltd450$11.0K0.00%––
State of Wyoming282$7.00K0.01%––
Daiwa Securities Group Inc.122$3.00K0.00%––
Wells Fargo & Company18$00.00%––