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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, Q4 2021

Institutional positions in Kalaris Therapeutics, Inc. as of Dec 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
84
+5 vs. Q3 2021
Shares held
25.4M
+219.7K (+0.9%) vs. Q3 2021
Total value
$329.4M
−$302.7M (−47.9%) vs. Q3 2021
New holders
18
25 more added
Sold out
13
28 more reduced

1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 holdersQ4 2021: 84 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 heldQ4 2021: $329.4M
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, Q4 2021

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q3 2021.

Institutions holding KLRS in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC7,381,063$95.5M0.01%+51,281+0.7%Added
Vanguard Group Inc2,793,583$36.1M0.00%−1,2710.0%Reduced
Artal Group S.A.2,323,371$30.1M0.88%00.0%Unchanged
BlackRock Inc.2,168,172$28.1M0.00%+354,993+19.6%Added
State Street Corp1,223,095$15.8M0.00%+7,259+0.6%Added
American International Group, Inc.1,144,562$14.8M0.07%−4700.0%Reduced
Woodline Partners LP1,087,093$14.1M0.21%−372,455−25.5%Reduced
Redmile Group, LLC823,371$10.7M0.24%−13,541−1.6%Reduced
Alkeon Capital Management LLC766,020$9.91M0.03%−327,500−29.9%Reduced
Massachusetts Financial Services Co763,329$9.88M0.00%−5,619−0.7%Reduced
GMT Capital Corp671,770$8.69M0.67%+195,282+41.0%Added
JPMorgan Chase & Co598,197$7.74M0.00%−149,302−20.0%Reduced
Geode Capital Management, LLC538,153$6.96M0.00%+23,990+4.7%Added
Marshall Wace, LLP327,679$4.24M0.01%+327,679New
Northern Trust Corp298,078$3.86M0.00%+2,780+0.9%Added
Sectoral Asset Management Inc261,051$3.38M0.51%−2,324−0.9%Reduced
Charles Schwab Investment Management Inc208,437$2.70M0.00%+4,290+2.1%Added
Bank of America Corp110,291$1.43M0.00%+96,146+679.7%Added
Gsa Capital Partners LLP109,607$1.42M0.18%+109,607New
Goldman Sachs Group Inc92,609$1.20M0.00%−11,034−10.6%Reduced
E. Ohman J:or Asset Management AB91,200$1.18M0.03%+18,800+26.0%Added
Nuveen Asset Management, LLC80,233$1.15M0.00%−6,575−7.6%Reduced
Two Sigma Investments, LP88,450$1.15M0.00%+55,453+168.1%Added
Bank of New York Mellon Corp88,087$1.14M0.00%−100.0%Reduced
Samsara BioCapital, LLC82,336$1.06M0.21%00.0%Unchanged
Lido Advisors, LLC79,416$1.03M0.02%00.0%Unchanged
Swiss National Bank78,900$1.02M0.00%00.0%Unchanged
Alps Advisors Inc75,384$975.0K0.01%−4,421−5.5%Reduced
Millennium Management LLC69,599$901.0K0.00%+69,599New
UBS Group AG63,905$827.0K0.00%+19,865+45.1%Added
Rafferty Asset Management, LLC63,066$816.0K0.00%+23,968+61.3%Added
Citadel Advisors LLC60,115$778.0K0.00%+60,115New
Citigroup Inc57,398$743.0K0.00%+25,301+78.8%Added
Dimensional Fund Advisors LP49,050$635.0K0.00%+49,050New
Morgan Stanley48,743$632.0K0.00%−5,482−10.1%Reduced
California State Teachers Retirement System46,313$599.0K0.00%+970+2.1%Added
Trexquant Investment LP35,614$461.0K0.03%+35,614New
UBS Asset Management Americas Inc30,378$393.1K0.00%+3,262+12.0%Added
Rhumbline Advisers27,682$358.0K0.00%−526−1.9%Reduced
Susquehanna International Group, LLP27,481$356.0K0.00%+7,213+35.6%Added
Deutsche Bank AG26,375$342.0K0.00%−1,541−5.5%Reduced
State of Wisconsin Investment Board25,300$327.0K0.00%00.0%Unchanged
Focus Financial Network, Inc.25,141$325.3K0.05%00.0%Unchanged
Tudor Investment Corp Et Al24,683$319.0K0.01%+24,683New
Advisor Group Holdings, Inc.23,641$306.0K0.00%−1,300−5.2%Reduced
Susquehanna Fundamental Investments, LLC22,818$295.0K0.01%−1,000−4.2%Reduced
Credit Suisse AG22,720$293.0K0.00%−3,862−14.5%Reduced
Alliancebernstein L.P.22,300$289.0K0.00%−34,140−60.5%Reduced
Cubist Systematic Strategies, LLC21,325$276.0K0.00%+3,791+21.6%Added
New York State Common Retirement Fund21,259$275.0K0.00%−34−0.2%Reduced
Price T Rowe Associates Inc20,575$266.0K0.00%+20,575New
DekaBank Deutsche Girozentrale19,500$257.0K0.00%+500+2.6%Added
Dark Forest Capital Management LP17,306$224.0K0.08%+12,425+254.6%Added
Erste Asset Management GmbH16,400$216.5K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The16,112$208.0K0.00%+170+1.1%Added
ProShare Advisors LLC15,618$201.0K0.00%−2,071−11.7%Reduced
Squarepoint Ops LLC15,292$198.0K0.00%+15,292New
Invesco Ltd.14,504$187.0K0.00%−1,877−11.5%Reduced
Walleye Trading LLC14,462$187.0K0.00%+14,462New
Handelsbanken Fonder AB13,400$173.0K0.00%00.0%Unchanged
Two Sigma Advisers, LP12,900$167.0K0.00%+12,900New
Legal & General Group Plc12,454$161.0K0.00%00.0%Unchanged
Wells Fargo & Company12,148$157.0K0.00%+12,130+67,388.9%Added
MetLife Investment Management11,916$154.2K0.00%00.0%Unchanged
Voya Investment Management LLC11,379$147.0K0.00%−258−2.2%Reduced
Virtus ETF Advisers LLC11,076$143.0K0.05%+1,717+18.3%Added
Simplex Trading, LLC8,684$112.0K0.00%+8,584+8,584.0%Added
Metropolitan Life Insurance Co8,116$105.0K0.00%−834−9.3%Reduced
Royal Bank of Canada6,559$85.0K0.00%+3,659+126.2%Added
Ensign Peak Advisors, Inc5,750$74.0K0.00%+5,750New
Tower Research Capital LLC (TRC)3,067$40.0K0.00%+570+22.8%Added
Quantbot Technologies LP2,547$32.0K0.00%−2,500−49.5%Reduced
Ameritas Investment Partners, Inc.2,408$31.0K0.00%00.0%Unchanged
Great West Life Assurance Co1,972$25.0K0.00%00.0%Unchanged
Point72 Hong Kong Ltd1,479$19.0K0.00%+1,479New
Zurcher Kantonalbank (Zurich Cantonalbank)1,319$17.0K0.00%−138−9.5%Reduced
Carroll Financial Associates, Inc.1,000$13.0K0.00%+1,000New
CWM, LLC934$12.0K0.00%+934New
State of Wyoming203$3.00K0.00%−106−34.3%Reduced
Daiwa Securities Group Inc.223$3.00K0.00%00.0%Unchanged
Group One Trading, L.P.200$3.00K0.00%+200New
Investmark Advisory Group LLC200$2.00K0.00%+200New
US Bancorp87$1.00K0.00%−160−64.8%Reduced
Covestor Ltd21$00.00%+21New
Wellington Management Group LLP0$00.00%−267,996−100.0%Sold out
ArrowMark Colorado Holdings LLC0$00.00%−125,000−100.0%Sold out
Endurant Capital Management LP0$00.00%−44,430−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−15,871−100.0%Sold out
SG Americas Securities, LLC0$00.00%−15,251−100.0%Sold out
Jump Financial, LLC0$00.00%−15,227−100.0%Sold out
Parametric Portfolio Associates LLC0$00.00%−12,490−100.0%Sold out
Arizona State Retirement System0$00.00%−9,754−100.0%Sold out
Nisa Investment Advisors, LLC0$00.00%−4,500−100.0%Sold out
Amundi0$00.00%−1,470−100.0%Sold out
Penserra Capital Management LLC0$00.00%−1,485−100.0%Sold out
Harbour Investments, Inc.0$00.00%−15−100.0%Sold out
Ellevest, Inc.0$00.00%−9−100.0%Sold out
Marshall Wace North America L.P.––––Not filed