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, Q2 2026
Institutional positions in Kalaris Therapeutics, Inc. as of Jun 30, 2026. 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
- 56
- −2 vs. Q1 2026
- Shares held
- 18.0M
- −547.8K (−2.9%) vs. Q1 2026
- Total value
- $73.4M
- −$33.8M (−31.5%) vs. Q1 2026
- New holders
- 9
- 18 more added
- Sold out
- 11
- 9 more reduced
Compare with Q1 2026: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 56 | $73.4M |
| Q1 2026 | 58 | $107.2M |
| Q4 2025 | 51 | $151.9M |
| Q3 2025 | 32 | $76.4M |
| Q2 2025 | 30 | $35.7M |
| Q1 2025 | 32 | $111.4M |
| Q4 2024 | 53 | $20.7M |
| Q3 2024 | 60 | $36.3M |
| Q2 2024 | 72 | $33.9M |
| Q1 2024 | 77 | $36.4M |
| Q4 2023 | 82 | $28.5M |
| Q3 2023 | 90 | $115.5M |
| Q2 2023 | 94 | $183.6M |
| Q1 2023 | 89 | $156.0M |
| Q4 2022 | 86 | $193.1M |
| Q3 2022 | 87 | $293.7M |
| Q2 2022 | 84 | $109.6M |
| Q1 2022 | 84 | $184.1M |
| Q4 2021 | 84 | $329.4M |
| Q3 2021 | 80 | $640.3M |
| Q2 2021 | 84 | $521.8M |
| Q1 2021 | 75 | $624.4M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 12 | $0 | 0.00% | −91−88.3% | Reduced |
| SBI Securities Co., Ltd. | 5 | $20 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 7 | $28 | 0.00% | +7 | New |
| Harbour Investments, Inc. | 13 | $53 | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 49 | $199 | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 50 | $211 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 52 | $212 | 0.00% | −600−92.0% | Reduced |
| Strengthening Families & Communities, LLC | 268 | $1.09K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 303 | $1.23K | 0.00% | −4,977−94.3% | Reduced |
| Vanguard Global Advisers, LLC | 725 | $2.95K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 2,215 | $9.02K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,560 | $10.4K | 0.00% | +2,421+1,741.7% | Added |
| FMR LLC | 7,806 | $31.8K | 0.00% | 00.0% | Unchanged |
| Sigma Planning Corp | 10,167 | $41.4K | 0.00% | +10,167 | New |
| Virtu Financial LLC | 10,845 | $44.0K | 0.00% | +10,845 | New |
| Nano Cap New Millennium Growth Fund L P | 12,500 | $50.9K | 0.04% | +8,500+212.5% | Added |
| HRT Financial LP | 13,723 | $55.0K | 0.00% | +2,106+18.1% | Added |
| Susquehanna International Group, LLP | 14,221 | $57.9K | 0.00% | −38,463−73.0% | Reduced |
| Dimensional Fund Advisors LP | 15,958 | $65.0K | 0.00% | +15,958 | New |
| Goldman Sachs Group Inc | 16,054 | $65.3K | 0.00% | −94,449−85.5% | Reduced |
| Quadrature Capital Ltd | 16,527 | $67.3K | 0.00% | +16,527 | New |
| RBF Capital, LLC | 17,391 | $70.8K | 0.00% | 00.0% | Unchanged |
| Independent Advisor Alliance | 18,125 | $73.8K | 0.00% | +3,895+27.4% | Added |
| WealthTrust Asset Management, LLC | 20,416 | $83.1K | 0.04% | +8,000+64.4% | Added |
| Two Sigma Investments, LP | 23,847 | $97.1K | 0.00% | −6,803−22.2% | Reduced |
| Velan Capital Investment Management LP | 25,000 | $101.8K | 0.06% | +7,000+38.9% | Added |
| Northern Trust Corp | 25,839 | $105.2K | 0.00% | +11,390+78.8% | Added |
| State Street Corp | 26,510 | $107.9K | 0.00% | 00.0% | Unchanged |
| Trexquant Investment LP | 29,737 | $121.0K | 0.00% | +29,737 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 30,007 | $122.1K | 0.00% | +16,352+119.8% | Added |
| Stonepine Capital Management, LLC | 30,122 | $122.6K | 0.09% | +9,722+47.7% | Added |
| Bridgeway Capital Management, LLC | 32,500 | $132.3K | 0.00% | +10,000+44.4% | Added |
| Squarepoint Ops LLC | 38,775 | $157.8K | 0.00% | −998−2.5% | Reduced |
| Pale Fire Capital SE | 39,626 | $161.3K | 0.01% | +39,626 | New |
| Belpointe Asset Management LLC | 40,000 | $162.8K | 0.01% | 00.0% | Unchanged |
| Fortis Capital Advisors, LLC | 40,000 | $162.8K | 0.02% | 00.0% | Unchanged |
| BlackRock, Inc. | 54,442 | $221.6K | 0.00% | +18,399+51.0% | Added |
| Vanguard Fiduciary Trust Co | 66,179 | $269.3K | 0.00% | +29,462+80.2% | Added |
| Morgan Stanley | 72,326 | $294.4K | 0.00% | +33,982+88.6% | Added |
| Verdad Advisers, LP | 80,297 | $326.8K | 0.31% | +80,297 | New |
| Boothbay Fund Management, LLC | 92,261 | $375.5K | 0.01% | 00.0% | Unchanged |
| Citadel Advisors LLC | 95,772 | $389.8K | 0.00% | +95,772 | New |
| Raymond James Financial Inc | 97,164 | $395.5K | 0.00% | −21,723−18.3% | Reduced |
| Whi Trust Co LLC | 97,493 | $396.8K | 0.26% | 00.0% | Unchanged |
| Woodline Partners LP | 100,000 | $407.0K | 0.00% | 00.0% | Unchanged |
| ADAR1 Capital Management, LLC | 100,000 | $407.0K | 0.02% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 114,037 | $464.3K | 0.00% | +26,492+30.3% | Added |
| Marshall Wace, LLP | 139,201 | $566.5K | 0.00% | +71,322+105.1% | Added |
| Renaissance Technologies LLC | 149,351 | $607.9K | 0.00% | +83,200+125.8% | Added |
| UBS Group AG | 262,131 | $1.07M | 0.00% | +255,947+4,138.9% | Added |
| Ikarian Capital, LLC | 360,000 | $1.47M | 0.24% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 398,712 | $1.62M | 0.00% | +143,364+56.1% | Added |
| Siren, L.L.C. | 435,798 | $1.77M | 0.04% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 572,687 | $2.33M | 0.01% | 00.0% | Unchanged |
| RTW Investments, LP | 1,300,000 | $5.29M | 0.05% | 00.0% | Unchanged |
| Samsara BioCapital, LLC | 12,881,175 | $52.4M | 4.31% | −66,906−0.5% | Reduced |
| Paradigm Biocapital Advisors LP | 0 | $0 | 0.00% | −700,000−100.0% | Sold out |
| Propel Bio Management, LLC | 0 | $0 | 0.00% | −295,771−100.0% | Sold out |
| Kalehua Capital Management LLC | 0 | $0 | 0.00% | −135,585−100.0% | Sold out |
| Simplify Asset Management Inc. | 0 | $0 | 0.00% | −87,426−100.0% | Sold out |
| Millennium Management LLC | 0 | $0 | 0.00% | −59,534−100.0% | Sold out |
| 683 Capital Management, LLC | 0 | $0 | 0.00% | −45,000−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −11,103−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −8,703−100.0% | Sold out |
| Fortitude Family Office, LLC | 0 | $0 | 0.00% | −114−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −34−100.0% | Sold out |