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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 2024

Institutional positions in Kalaris Therapeutics, Inc. as of Sep 30, 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
60
−11 vs. Q2 2024
Shares held
44.9M
−1.32M (−2.9%) vs. Q2 2024
Total value
$36.3M
+$2.87M (+8.6%) vs. Q2 2024
New holders
3
5 more added
Sold out
14
30 more reduced

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 60 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 2024: $36.3M
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 2024

Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q2 2024.

Institutions holding KLRS in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
EcoR1 Capital, LLC11,294,585$9.13M0.31%00.0%Unchanged
Octagon Capital Advisors LP11,202,000$9.06M1.45%+1,402,000+14.3%Added
Siren, L.L.C.6,597,167$5.33M0.27%+6,597,167New
Millennium Management LLC3,284,800$2.66M0.00%−10,929−0.3%Reduced
Vanguard Group Inc2,647,010$2.14M0.00%00.0%Unchanged
Redmile Group, LLC1,907,969$1.54M0.09%00.0%Unchanged
Acuitas Investments, LLC1,069,696$864.8K0.39%+84,863+8.6%Added
Renaissance Technologies LLC776,857$628.1K0.00%−14,343−1.8%Reduced
BlackRock, Inc.632,890$511.7K0.00%+632,890New
BML Capital Management, LLC603,086$487.6K0.29%00.0%Unchanged
Geode Capital Management, LLC585,548$473.5K0.00%−61,929−9.6%Reduced
Two Sigma Advisers, LP508,300$411.0K0.00%−125,700−19.8%Reduced
RBF Capital, LLC449,014$363.0K0.02%00.0%Unchanged
Marshall Wace, LLP324,658$263.0K0.00%00.0%Unchanged
FMR LLC310,604$251.1K0.00%+1,744+0.6%Added
D. E. Shaw & Co., Inc.296,461$239.7K0.00%−179,124−37.7%Reduced
Two Sigma Investments, LP295,161$238.6K0.00%−56,814−16.1%Reduced
Acadian Asset Management LLC224,343$181.0K0.00%−951,611−80.9%Reduced
State Street Corp222,439$179.8K0.00%00.0%Unchanged
Commonwealth Equity Services, LLC201,000$163.0K0.00%00.0%Unchanged
Marquette Asset Management, LLC178,883$144.6K0.02%00.0%Unchanged
Northern Trust Corp158,418$128.1K0.00%−278,913−63.8%Reduced
Goldman Sachs Group Inc93,308$75.4K0.00%−194,682−67.6%Reduced
Price T Rowe Associates Inc85,900$70.0K0.00%00.0%Unchanged
Citadel Advisors LLC84,200$68.1K0.00%−23,078−21.5%Reduced
Jane Street Group, LLC83,351$67.4K0.00%−89,680−51.8%Reduced
Samsara BioCapital, LLC82,336$66.6K0.01%00.0%Unchanged
Dimensional Fund Advisors LP69,769$56.3K0.00%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.60,500$48.9K0.00%00.0%Unchanged
Charles Schwab Investment Management Inc57,055$46.1K0.00%−287,507−83.4%Reduced
Tudor Investment Corp Et Al49,620$40.1K0.00%00.0%Unchanged
Morgan Stanley47,380$38.3K0.00%−22,572−32.3%Reduced
Amundi45,448$36.0K0.00%+45,448New
Lido Advisors, LLC39,322$31.8K0.00%−40,094−50.5%Reduced
Qube Research & Technologies Ltd34,341$27.8K0.00%−44,471−56.4%Reduced
Point72 Asia (Singapore) Pte. Ltd.30,261$24.5K0.00%−46,017−60.3%Reduced
Susquehanna International Group, LLP27,213$22.0K0.00%−140,893−83.8%Reduced
XTX Topco Ltd26,523$21.4K0.00%−20,710−43.8%Reduced
Bank of America Corp24,118$19.5K0.00%+1,790+8.0%Added
AQR Capital Management LLC20,843$16.9K0.00%−64,925−75.7%Reduced
Cubist Systematic Strategies, LLC19,997$16.2K0.00%−29,819−59.9%Reduced
Advisor Group Holdings, Inc.18,700$15.1K0.00%+3,700+24.7%Added
PFG Investments, LLC16,000$12.9K0.00%−3,000−15.8%Reduced
JustInvest LLC14,331$11.6K0.00%−7,879−35.5%Reduced
Point72 (DIFC) Ltd14,200$11.5K0.00%−3,027−17.6%Reduced
Federated Hermes, Inc.13,214$10.7K0.00%−2,016−13.2%Reduced
Catalyst Funds Management Pty Ltd13,000$10.5K0.00%00.0%Unchanged
Engineers Gate Manager LP10,478$8.47K0.00%−5,636−35.0%Reduced
Strengthening Families & Communities, LLC6,200$5.01K0.00%00.0%Unchanged
IFP Advisors, Inc3,000$2.43K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,319$1.88K0.00%−18,239−88.7%Reduced
UBS Group AG2,222$1.80K0.00%−35,059−94.0%Reduced
JPMorgan Chase & Co2,178$1.76K0.00%−4,584−67.8%Reduced
CWM, LLC1,004$1.00K0.00%−1,271−55.9%Reduced
Parallel Advisors, LLC1,145$9260.00%00.0%Unchanged
Citigroup Inc990$8000.00%−6,655−87.1%Reduced
Farther Finance Advisors, LLC862$6970.00%00.0%Unchanged
EverSource Wealth Advisors, LLC695$5620.00%00.0%Unchanged
SRS Capital Advisors, Inc.451$3650.00%00.0%Unchanged
Nisa Investment Advisors, LLC8$60.00%00.0%Unchanged
Artal Group S.A.0$00.00%−6,597,167−100.0%Sold out
Pennant Investors, LP0$00.00%−215,700−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−194,473−100.0%Sold out
Centiva Capital, LP0$00.00%−137,897−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−51,224−100.0%Sold out
Paloma Partners Management Co0$00.00%−31,765−100.0%Sold out
Mirae Asset Global ETFs Holdings Ltd.0$00.00%−26,032−100.0%Sold out
Rhumbline Advisers0$00.00%−18,494−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−15,947−100.0%Sold out
Jump Financial, LLC0$00.00%−14,565−100.0%Sold out
Royal Bank of Canada0$00.00%−9,294−100.0%Sold out
Macquarie Group Ltd0$00.00%−2,561−100.0%Sold out
New York State Common Retirement Fund0$00.00%−467−100.0%Sold out
Avion Wealth0$00.00%−683−100.0%Sold out
BlackRock Inc.––––Not filed