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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 2023

Institutional positions in Kalaris Therapeutics, Inc. as of Mar 31, 2023. 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
89
+3 vs. Q4 2022
Shares held
39.6M
+1.95M (+5.2%) vs. Q4 2022
Total value
$156.0M
−$37.1M (−19.2%) vs. Q4 2022
New holders
10
27 more added
Sold out
7
34 more reduced

Compare with Q4 2022: 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 2023: 89 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 2023: $156.0M
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 2023

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q4 2022.

Institutions holding KLRS in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC7,369,629$29.0M0.00%+323,256+4.6%Added
Artal Group S.A.5,577,167$22.0M1.31%00.0%Unchanged
Alkeon Capital Management LLC4,605,104$18.1M0.12%00.0%Unchanged
GMT Capital Corp3,333,646$13.1M0.52%+574,800+20.8%Added
Vanguard Group Inc2,972,811$11.7M0.00%+21,891+0.7%Added
BlackRock Inc.2,673,481$10.5M0.00%−143,302−5.1%Reduced
Redmile Group, LLC1,907,969$7.52M0.33%00.0%Unchanged
Wasatch Advisors Inc1,259,919$4.96M0.03%+1,259,919New
American International Group, Inc.1,143,879$4.51M0.03%+2990.0%Added
Massachusetts Financial Services Co1,023,807$4.03M0.00%+43,152+4.4%Added
Woodline Partners LP1,000,000$3.94M0.06%−87,090−8.0%Reduced
JPMorgan Chase & Co985,608$3.88M0.00%+23,558+2.4%Added
State Street Corp885,606$3.49M0.00%+5,694+0.6%Added
Geode Capital Management, LLC790,672$3.12M0.00%+28,669+3.8%Added
Renaissance Technologies LLC447,800$1.76M0.00%+34,000+8.2%Added
Northern Trust Corp445,211$1.75M0.00%−14,623−3.2%Reduced
Marshall Wace, LLP324,658$1.28M0.00%00.0%Unchanged
Charles Schwab Investment Management Inc304,187$1.20M0.00%+718+0.2%Added
Dimensional Fund Advisors LP300,545$1.18M0.00%+174,246+138.0%Added
Morgan Stanley186,823$736.1K0.00%−38,813−17.2%Reduced
Goldman Sachs Group Inc161,539$636.5K0.00%−54,590−25.3%Reduced
Nuveen Asset Management, LLC150,356$592.0K0.00%−11,620−7.2%Reduced
State of Wisconsin Investment Board147,934$582.9K0.00%−14,474−8.9%Reduced
Bank of New York Mellon Corp117,987$464.9K0.00%+8,624+7.9%Added
Swiss National Bank100,600$396.4K0.00%−11,700−10.4%Reduced
Samsara BioCapital, LLC82,336$324.4K0.07%00.0%Unchanged
Lido Advisors, LLC79,416$312.9K0.00%00.0%Unchanged
Regency Capital Management Inc.75,025$295.6K0.36%00.0%Unchanged
Squarepoint Ops LLC73,558$289.8K0.00%+889+1.2%Added
Millennium Management LLC68,910$272.0K0.00%+42,032+156.4%Added
Alps Advisors Inc60,286$237.5K0.00%−2,869−4.5%Reduced
Citadel Advisors LLC53,711$211.6K0.00%−24,072−30.9%Reduced
California State Teachers Retirement System52,394$206.4K0.00%−407−0.8%Reduced
Rhumbline Advisers48,401$191.0K0.00%−1,205−2.4%Reduced
Public Employees Retirement System of Ohio47,293$186.0K0.00%+47,293New
Gsa Capital Partners LLP46,982$185.0K0.02%−22,019−31.9%Reduced
Alliancebernstein L.P.44,500$175.3K0.00%+5,500+14.1%Added
Credit Suisse AG41,972$165.4K0.00%+4,778+12.8%Added
Cornercap Investment Counsel Inc39,496$155.6K0.03%00.0%Unchanged
Barclays PLC35,627$140.4K0.00%+7,427+26.3%Added
SVB Financial Group34,415$135.6K0.26%−8,604−20.0%Reduced
Bank of America Corp27,933$110.1K0.00%−2,076−6.9%Reduced
Tudor Investment Corp Et Al26,766$105.0K0.00%+26,766New
Price T Rowe Associates Inc26,120$103.0K0.00%−12,995−33.2%Reduced
Advisor Group Holdings, Inc.23,685$93.3K0.00%+44+0.2%Added
UBS Asset Management Americas Inc23,667$93.2K0.00%+23,667New
Deutsche Bank AG19,774$77.9K0.00%+5,005+33.9%Added
XTX Topco Ltd19,509$76.9K0.02%−33,913−63.5%Reduced
Janus Henderson Group PLC18,873$74.3K0.00%+18,873New
Principal Financial Group Inc17,499$68.9K0.00%+237+1.4%Added
MetLife Investment Management16,710$65.8K0.00%00.0%Unchanged
Susquehanna International Group, LLP16,678$65.7K0.00%+16,678New
Legal & General Group Plc16,327$64.3K0.00%+634+4.0%Added
SG Americas Securities, LLC16,288$64.0K0.00%+3,840+30.8%Added
UBS Group AG16,136$63.6K0.00%−2,799−14.8%Reduced
Jane Street Group, LLC15,774$62.1K0.00%−7,084−31.0%Reduced
Virtus ETF Advisers LLC15,096$59.5K0.03%−5,810−27.8%Reduced
Prudential Financial Inc14,700$57.9K0.00%−3,500−19.2%Reduced
Teacher Retirement System of Texas14,350$57.0K0.00%+277+2.0%Added
Mirae Asset Global Investments Co., Ltd.14,421$56.8K0.00%−53−0.4%Reduced
Manufacturers Life Insurance Company, The13,697$54.0K0.00%00.0%Unchanged
Arizona State Retirement System13,497$53.2K0.00%+367+2.8%Added
Voya Investment Management LLC12,846$50.6K0.00%00.0%Unchanged
Invesco Ltd.11,767$46.4K0.00%−786−6.3%Reduced
ProShare Advisors LLC10,136$39.9K0.00%−1,565−13.4%Reduced
Point72 Asset Management, L.P.8,470$33.4K0.00%+8,470New
New York State Common Retirement Fund7,274$28.7K0.00%−14,200−66.1%Reduced
Denali Advisors LLC6,500$25.6K0.01%00.0%Unchanged
Strengthening Families & Communities, LLC6,200$24.0K0.02%+6,200New
Wells Fargo & Company5,824$22.9K0.00%+5,624+2,812.0%Added
Nisa Investment Advisors, LLC3,910$15.0K0.00%00.0%Unchanged
Amalgamated Bank3,147$12.0K0.00%−721−18.6%Reduced
Citigroup Inc2,554$10.1K0.00%−39−1.5%Reduced
Ameritas Investment Partners, Inc.2,408$9.49K0.00%00.0%Unchanged
Simplex Trading, LLC2,466$9.00K0.00%−2,909−54.1%Reduced
Tower Research Capital LLC (TRC)2,097$8.00K0.00%−5,582−72.7%Reduced
Royal Bank of Canada2,106$8.00K0.00%−1,449−40.8%Reduced
Great West Life Assurance Co1,972$8.00K0.00%00.0%Unchanged
Lazard Asset Management LLC2,310$8.00K0.00%+436+23.3%Added
Point72 Middle East FZE1,683$6.63K0.00%−3,305−66.3%Reduced
China Universal Asset Management Co., Ltd.1,266$4.99K0.00%+319+33.7%Added
Parallel Advisors, LLC1,145$4.51K0.00%00.0%Unchanged
CWM, LLC816$3.00K0.00%00.0%Unchanged
Allspring Global Investments Holdings, LLC587$2.31K0.00%+587New
Metropolitan Life Insurance Co468$1.84K0.00%−1,427−75.3%Reduced
Cubist Systematic Strategies, LLC447$1.76K0.00%−26,153−98.3%Reduced
Lindbrook Capital, LLC370$1.46K0.00%+370New
Quadrant Capital Group LLC348$1.37K0.00%−342−49.6%Reduced
Daiwa Securities Group Inc.375$1.00K0.00%00.0%Unchanged
Trexquant Investment LP0$00.00%−67,984−100.0%Sold out
HRT Financial LP0$00.00%−48,028−100.0%Sold out
Jump Financial, LLC0$00.00%−37,356−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−33,894−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−12,500−100.0%Sold out
Ergoteles LLC0$00.00%−11,764−100.0%Sold out
IFP Advisors, Inc0$00.00%−7−100.0%Sold out