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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, Q3 2023

Institutional positions in Kalaris Therapeutics, Inc. as of Sep 30, 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
90
−4 vs. Q2 2023
Shares held
53.7M
−278.0K (−0.5%) vs. Q2 2023
Total value
$115.5M
−$68.1M (−37.1%) vs. Q2 2023
New holders
14
40 more added
Sold out
18
20 more reduced

Compare with Q2 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 holdersQ3 2023: 90 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 heldQ3 2023: $115.5M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q2 2023.

Institutions holding KLRS in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC9,682,460$20.8M0.00%+160,918+1.7%Added
Artal Group S.A.6,597,167$14.2M0.62%00.0%Unchanged
Wasatch Advisors Inc6,319,871$13.6M0.09%−324,242−4.9%Reduced
Alkeon Capital Management LLC4,605,104$9.90M0.06%00.0%Unchanged
GMT Capital Corp4,211,283$9.05M0.34%+107,204+2.6%Added
BlackRock Inc.3,845,626$8.27M0.00%+521,274+15.7%Added
Vanguard Group Inc2,751,526$5.92M0.00%+59,601+2.2%Added
Woodline Partners LP2,066,666$4.44M0.05%+338,664+19.6%Added
Redmile Group, LLC1,907,969$4.10M0.20%00.0%Unchanged
Geode Capital Management, LLC1,179,241$2.54M0.00%+255,830+27.7%Added
American International Group, Inc.1,154,294$2.48M0.02%+5,234+0.5%Added
State Street Corp1,091,998$2.35M0.00%+158,032+16.9%Added
JPMorgan Chase & Co1,057,988$2.27M0.00%−36,735−3.4%Reduced
Massachusetts Financial Services Co830,873$1.79M0.00%−180,255−17.8%Reduced
Millennium Management LLC743,416$1.60M0.00%+528,686+246.2%Added
Wellington Management Group LLP597,434$1.28M0.00%+200,178+50.4%Added
Morgan Stanley553,678$1.19M0.00%+281,253+103.2%Added
Northern Trust Corp475,804$1.02M0.00%−39,353−7.6%Reduced
Charles Schwab Investment Management Inc412,779$887.5K0.00%+81,901+24.8%Added
Renaissance Technologies LLC333,722$718.0K0.00%+26,617+8.7%Added
Marshall Wace, LLP324,658$698.0K0.00%00.0%Unchanged
Goldman Sachs Group Inc307,133$660.3K0.00%−15,594−4.8%Reduced
UBS Oconnor LLC230,000$494.5K0.01%+60,000+35.3%Added
Bank of New York Mellon Corp167,731$360.6K0.00%+13,231+8.6%Added
Nuveen Asset Management, LLC163,108$350.7K0.00%−1,065−0.6%Reduced
Susquehanna International Group, LLP136,732$294.0K0.00%+112,971+475.4%Added
ExodusPoint Capital Management, LP115,116$247.0K0.00%+89,245+345.0%Added
Dimensional Fund Advisors LP113,934$245.4K0.00%−118,659−51.0%Reduced
Swiss National Bank112,300$241.4K0.00%−11,400−9.2%Reduced
XTX Topco Ltd84,049$180.7K0.03%+84,049New
State of Wisconsin Investment Board83,829$180.2K0.00%−8,920−9.6%Reduced
Samsara BioCapital, LLC82,336$177.0K0.05%00.0%Unchanged
Rhumbline Advisers79,564$171.1K0.00%+15,685+24.6%Added
Lido Advisors, LLC79,416$170.7K0.00%00.0%Unchanged
Alliancebernstein L.P.70,670$151.9K0.00%+10,360+17.2%Added
Verition Fund Management LLC67,730$145.6K0.00%+67,730New
Cornercap Investment Counsel Inc65,450$140.7K0.03%−866−1.3%Reduced
Squarepoint Ops LLC62,437$134.2K0.00%−33,059−34.6%Reduced
California State Teachers Retirement System56,365$121.2K0.00%−7,478−11.7%Reduced
Credit Suisse AG52,520$112.9K0.00%−3,033−5.5%Reduced
Tudor Investment Corp Et Al49,620$106.7K0.00%−24,014−32.6%Reduced
Jane Street Group, LLC48,376$104.0K0.00%+48,376New
Bank of America Corp43,601$93.7K0.00%+16,259+59.5%Added
Price T Rowe Associates Inc43,086$93.0K0.00%+13,933+47.8%Added
Jump Financial, LLC36,396$78.3K0.00%+36,396New
Legal & General Group Plc36,264$78.0K0.00%+1,650+4.8%Added
UBS Group AG36,256$78.0K0.00%+28,145+347.0%Added
Two Sigma Investments, LP34,421$74.0K0.00%+34,421New
New York State Common Retirement Fund34,388$73.9K0.00%+11,558+50.6%Added
Regency Capital Management Inc.30,025$64.6K0.05%−45,000−60.0%Reduced
Qtron Investments LLC27,528$59.2K0.01%+11,263+69.2%Added
Principal Financial Group Inc25,468$54.8K0.00%+2,651+11.6%Added
UBS Asset Management Americas Inc23,667$50.9K0.00%00.0%Unchanged
SG Americas Securities, LLC23,293$50.0K0.00%+23,293New
Deutsche Bank AG21,594$46.4K0.00%00.0%Unchanged
Voya Investment Management LLC21,504$46.2K0.00%+4,432+26.0%Added
MetLife Investment Management21,323$45.8K0.00%00.0%Unchanged
Clear Street Markets LLC20,076$43.0K0.03%+20,076New
SEI Investments Co19,698$42.4K0.00%00.0%Unchanged
Janus Henderson Group PLC18,974$40.7K0.00%+123+0.7%Added
Barclays PLC18,618$40.0K0.00%+67+0.4%Added
SVB Financial Group17,207$37.0K0.07%−8,604−33.3%Reduced
Advisor Group Holdings, Inc.15,000$32.3K0.00%+15,000New
Mirae Asset Global Investments Co., Ltd.14,791$31.8K0.00%+559+3.9%Added
Arizona State Retirement System14,544$31.3K0.00%+4,038+38.4%Added
ProShare Advisors LLC14,057$30.2K0.00%+2,551+22.2%Added
Cubist Systematic Strategies, LLC13,517$29.1K0.00%+744+5.8%Added
Teacher Retirement System of Texas13,508$29.0K0.00%−455−3.3%Reduced
Wells Fargo & Company12,867$27.7K0.00%−3,329−20.6%Reduced
Graham Capital Management, L.P.11,962$25.7K0.00%+11,962New
Invesco Ltd.11,525$24.8K0.00%+841+7.9%Added
Ameriprise Financial Inc10,720$23.0K0.00%+10,720New
Royal Bank of Canada8,547$18.0K0.00%+4,173+95.4%Added
Tower Research Capital LLC (TRC)6,389$13.7K0.00%−2,333−26.7%Reduced
Strengthening Families & Communities, LLC6,200$13.0K0.01%00.0%Unchanged
Amalgamated Bank3,147$7.00K0.00%00.0%Unchanged
Metropolitan Life Insurance Co3,099$6.66K0.00%+1,358+78.0%Added
Quadrant Capital Group LLC3,030$6.51K0.00%+3,030New
China Universal Asset Management Co., Ltd.2,917$6.27K0.00%+1,691+137.9%Added
Ameritas Investment Partners, Inc.2,408$5.18K0.00%00.0%Unchanged
Lazard Asset Management LLC2,497$5.00K0.00%+104+4.3%Added
Great West Life Assurance Co1,972$4.00K0.00%00.0%Unchanged
Citigroup Inc1,527$3.28K0.00%−13,971−90.1%Reduced
Simplex Trading, LLC1,665$3.00K0.00%+1,665New
Parallel Advisors, LLC1,145$2.46K0.00%00.0%Unchanged
CWM, LLC903$2.00K0.00%+61+7.2%Added
Nisa Investment Advisors, LLC773$1.66K0.00%+63+8.9%Added
Signaturefd, LLC625$1.34K0.00%+625New
Daiwa Securities Group Inc.375$1.00K0.00%00.0%Unchanged
US Bancorp442$9500.00%+442New
Maven Securities LTD0$00.00%−735,559−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−400,000−100.0%Sold out
Monashee Investment Management LLC0$00.00%−375,000−100.0%Sold out
Hudson Bay Capital Management LP0$00.00%−305,524−100.0%Sold out
Ghisallo Capital Management LLC0$00.00%−292,316−100.0%Sold out
Citadel Advisors LLC0$00.00%−256,568−100.0%Sold out
Caas Capital Management LP0$00.00%−250,000−100.0%Sold out
Public Employees Retirement System of Ohio0$00.00%−202,992−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−21,967−100.0%Sold out
Virtu Financial LLC0$00.00%−13,660−100.0%Sold out