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 2024
Institutional positions in Kalaris Therapeutics, Inc. as of Dec 31, 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
- 53
- −6 vs. Q3 2024
- Shares held
- 49.6M
- +4.78M (+10.7%) vs. Q3 2024
- Total value
- $20.7M
- −$15.6M (−43.0%) vs. Q3 2024
- New holders
- 11
- 11 more added
- Sold out
- 17
- 17 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| 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, Q4 2024
Shares, value and share of portfolio for each institution holding Kalaris Therapeutics, Inc.; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Gilead Sciences, Inc. | 16,635,286 | $6.99M | 0.45% | +16,635,286 | New |
| Octagon Capital Advisors LP | 11,215,000 | $4.71M | 0.80% | +13,000+0.1% | Added |
| Siren, L.L.C. | 6,597,167 | $2.77M | 0.12% | 00.0% | Unchanged |
| Millennium Management LLC | 3,033,782 | $1.27M | 0.00% | −251,018−7.6% | Reduced |
| Vanguard Group Inc | 2,647,010 | $1.11M | 0.00% | 00.0% | Unchanged |
| Redmile Group, LLC | 1,907,969 | $801.3K | 0.06% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 664,423 | $279.1K | 0.00% | +664,423 | New |
| BlackRock, Inc. | 632,890 | $265.8K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 584,781 | $245.7K | 0.00% | −767−0.1% | Reduced |
| Tang Capital Management LLC | 552,264 | $232.0K | 0.02% | +552,264 | New |
| Two Sigma Advisers, LP | 496,500 | $208.5K | 0.00% | −11,800−2.3% | Reduced |
| Woodline Partners LP | 451,858 | $189.8K | 0.00% | +451,858 | New |
| RBF Capital, LLC | 400,000 | $168.0K | 0.01% | −49,014−10.9% | Reduced |
| Renaissance Technologies LLC | 379,563 | $159.4K | 0.00% | −397,294−51.1% | Reduced |
| Squarepoint Ops LLC | 337,943 | $141.9K | 0.00% | +337,943 | New |
| Marshall Wace, LLP | 324,658 | $136.4K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 318,330 | $133.7K | 0.00% | +7,726+2.5% | Added |
| Two Sigma Investments, LP | 266,587 | $112.0K | 0.00% | −28,574−9.7% | Reduced |
| State Street Corp | 246,443 | $103.5K | 0.00% | +24,004+10.8% | Added |
| BML Capital Management, LLC | 184,246 | $77.4K | 0.05% | −418,840−69.4% | Reduced |
| Northern Trust Corp | 159,685 | $67.1K | 0.00% | +1,267+0.8% | Added |
| Citadel Advisors LLC | 153,496 | $64.5K | 0.00% | +69,296+82.3% | Added |
| UBS Group AG | 125,511 | $52.7K | 0.00% | +123,289+5,548.6% | Added |
| Jane Street Group, LLC | 123,159 | $51.7K | 0.00% | +39,808+47.8% | Added |
| Susquehanna International Group, LLP | 83,780 | $35.2K | 0.00% | +56,567+207.9% | Added |
| Samsara BioCapital, LLC | 82,336 | $34.6K | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 74,963 | $31.5K | 0.00% | +74,963 | New |
| Dimensional Fund Advisors LP | 69,769 | $29.5K | 0.00% | 00.0% | Unchanged |
| Raymond James Financial Inc | 60,500 | $25.4K | 0.00% | +60,500 | New |
| Tudor Investment Corp Et Al | 49,620 | $20.8K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 46,576 | $20.0K | 0.00% | +46,576 | New |
| Lido Advisors, LLC | 39,322 | $16.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 32,579 | $13.7K | 0.00% | +32,579 | New |
| HRT Financial LP | 31,586 | $13.0K | 0.00% | +31,586 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 26,887 | $11.3K | 0.00% | −3,374−11.1% | Reduced |
| Morgan Stanley | 22,929 | $9.63K | 0.00% | −24,451−51.6% | Reduced |
| Bank of America Corp | 22,677 | $9.52K | 0.00% | −1,441−6.0% | Reduced |
| Tower Research Capital LLC (TRC) | 17,449 | $7.33K | 0.00% | +15,130+652.4% | Added |
| Engineers Gate Manager LP | 16,114 | $6.77K | 0.00% | +5,636+53.8% | Added |
| PFG Investments, LLC | 16,000 | $6.72K | 0.00% | 00.0% | Unchanged |
| Qube Research & Technologies Ltd | 14,539 | $6.11K | 0.00% | −19,802−57.7% | Reduced |
| Federated Hermes, Inc. | 13,214 | $5.55K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 11,904 | $5.00K | 0.00% | −81,404−87.2% | Reduced |
| JPMorgan Chase & Co | 8,157 | $3.43K | 0.00% | +5,979+274.5% | Added |
| Advisor Group Holdings, Inc. | 3,700 | $1.55K | 0.00% | −15,000−80.2% | Reduced |
| IFP Advisors, Inc | 3,000 | $1.26K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 1,145 | $481 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 769 | $323 | 0.00% | −93−10.8% | Reduced |
| EverSource Wealth Advisors, LLC | 695 | $292 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 157 | $66 | 0.00% | −833−84.1% | Reduced |
| SBI Securities Co., Ltd. | 18 | $8 | 0.00% | +18 | New |
| CWM, LLC | 5 | $0 | 0.00% | −999−99.5% | Reduced |
| EcoR1 Capital, LLC | 408,688 | – | – | −10,885,897−96.4% | Reduced |
| Acuitas Investments, LLC | 0 | $0 | 0.00% | −1,069,696−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −296,461−100.0% | Sold out |
| Acadian Asset Management LLC | 0 | $0 | 0.00% | −224,343−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −201,000−100.0% | Sold out |
| Marquette Asset Management, LLC | 0 | $0 | 0.00% | −178,883−100.0% | Sold out |
| Price T Rowe Associates Inc | 0 | $0 | 0.00% | −85,900−100.0% | Sold out |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −57,055−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −45,448−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −26,523−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −20,843−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | 0 | $0 | 0.00% | −19,997−100.0% | Sold out |
| JustInvest LLC | 0 | $0 | 0.00% | −14,331−100.0% | Sold out |
| Point72 (DIFC) Ltd | 0 | $0 | 0.00% | −14,200−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −13,000−100.0% | Sold out |
| Strengthening Families & Communities, LLC | 0 | $0 | 0.00% | −6,200−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −451−100.0% | Sold out |
| Nisa Investment Advisors, LLC | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Raymond James Financial Services Advisors, Inc. | – | – | – | – | Not filed |