Cartesian TherapeuticsRNAC
13F holders, Q3 2025 (September 30)68holders +2
6new positions
4sold out
2famous investors
$10.16avg. 13F price*
At the end of Q3 2025, 68 institutions reported holding Cartesian Therapeutics Inc. (RNAC) in their 13F filings, up 2 from Q2 2025. 6 opened new positions and 4 sold out. The largest holders were FMR LLC ($22.0M), BlackRock, Inc. ($6.6M) and Siren, L.L.C. ($5.8M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Cartesian Therapeutics Inc.
- CUSIP
- 816212302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $517K |
| Exits | 4 | $432K |
All 13F filers, Q2 2025 → Q3 2025: 222,464 shares bought and 629,054 shares sold, net −406,590 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 68 holders
| FMR LLC | 0.00% | Reduce -7.6% | 2,155,783 | $22.0M |
| BlackRock, Inc. | 0.00% | Reduce -0.7% | 649,341 | $6.6M |
| Siren, L.L.C. | 0.23% | No change | 563,272 | $5.8M |
| Vanguard Group Inc. | 0.00% | Add +4.9% | 520,722 | $5.3M |
| MPM Bioimpact LLC | 0.64% | Reduce -44.6% | 380,000 | $3.9M |
| Erste Asset Management GmbH | 0.02% | No change | 260,011 | $2.6M |
| Geode Capital Management, LLC | 0.00% | Add +10.5% | 241,829 | $2.5M |
| 683 Capital Management, LLC | 0.22% | Add +5.0% | 230,000 | $2.4M |
| State Street Corp. | 0.00% | Add +1.8% | 197,666 | $2.0M |
| Northern Trust Corp. | 0.00% | Add +10.1% | 91,289 | $933K |
| Gsa Capital Partners LLP | 0.07% | Add +107.0% | 86,095 | $880K |
| Marshall Wace, LLP | 0.00% | Add +2.6% | 84,806 | $867K |
| Citadel Advisors | 0.00% | Reduce -41.6% | 70,524 | $721K |
| Royal Bank of Canada | 0.00% | Add +97.9% | 36,222 | $370K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -27.4% | 30,001 | $307K |
| Freestone Capital Holdings, LLC | 0.01% | No change | 25,921 | $265K |
| Millennium Management | 0.00% | New | 25,357 | $259K |
| Bridgeway Capital Management, LLC | 0.01% | New | 25,000 | $256K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -0.0% | 24,895 | $254K |
| Nuveen, LLC | 0.00% | No change | 24,497 | $250K |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.2% | 24,191 | $247K |
| Ikarian Capital, LLC | 0.05% | No change | 22,166 | $227K |
| Twin Focus Capital Partners, LLC | 0.03% | Add +2.6% | 19,500 | $199K |
| Morgan Stanley | 0.00% | Reduce -35.0% | 18,974 | $194K |
| Barclays PLC | 0.00% | Reduce -41.8% | 17,842 | $182K |
| Bank of America Corp. | 0.00% | Add +1.0% | 14,069 | $144K |
| Rhumbline Advisers | 0.00% | Reduce -0.3% | 13,134 | $134K |
| Alliancebernstein L.P. | 0.00% | Add +7.3% | 12,765 | $130K |
| Susquehanna International Group, LLP | 0.00% | Add +6.6% | 12,330 | $126K |
| Miller Financial Services LLC | 0.14% | No change | 11,643 | $119K |
| Virtus Investment Advisers, LLC | 0.03% | Add +21.0% | 11,112 | $114K |
| UBS Group AG | 0.00% | Reduce -24.7% | 9,948 | $102K |
| Wells Fargo & Company | 0.00% | Add +35.2% | 7,884 | $81K |
| Deutsche Bank AG | 0.00% | No change | 7,424 | $76K |
| AlphaQuest LLC | 0.00% | Add +64.6% | 6,924 | $71K |
| JPMorgan Chase & Co. | 0.00% | Add +0.7% | 6,124 | $63K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -3.6% | 4,876 | $50K |
| China Universal Asset Management Co., Ltd. | 0.00% | Reduce -12.6% | 4,558 | $47K |
| New York State Common Retirement Fund | 0.00% | No change | 3,902 | $40K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,939 | $30K |
| BNP Paribas Financial Markets | 0.00% | Add +62.5% | 2,240 | $23K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -56.0% | 1,312 | $13K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -78.7% | 1,005 | $10K |
| Alerus Financial NA | 0.00% | No change | 1,000 | $10K |
| Legal & General Group Plc | 0.00% | No change | 938 | $10K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 767 | $8K |
| Russell Investments Group, Ltd. | 0.00% | Add +1294.5% | 767 | $8K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 708 | $7K |
| Citigroup Inc. | 0.00% | Reduce -81.6% | 667 | $7K |
| Sterling Capital Management LLC | 0.00% | Add +186.6% | 639 | $7K |
| GF Fund Management Co. LTD. | 0.00% | Reduce -15.5% | 549 | $6K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -31.4% | 439 | $4K |
| Amalgamated Bank | 0.00% | No change | 356 | $4K |
| Osaic Holdings, Inc. | 0.00% | No change | 304 | $3K |
| Cwm, LLC | 0.00% | Reduce -54.1% | 254 | $3K |
| Arax Advisory Partners | 0.00% | New | 111 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | Add +148.8% | 107 | $1K |
| Daiwa Securities Group Inc. | 0.00% | No change | 84 | $1K |
| Optiver Holding B.V. | 0.00% | New | 80 | $818 |
| Activest Wealth Management | 0.00% | No change | 66 | $675 |
| SBI Securities Co., Ltd. | 0.00% | Add +2.0% | 50 | $511 |
| Spire Wealth Management | 0.00% | No change | 50 | $511 |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -17.0% | 39 | $399 |
| GAMMA Investing LLC | 0.00% | No change | 15 | $153 |
| Essential Partners LLC | 0.00% | Reduce -6.7% | 14 | $143 |
| Parallel Advisors, LLC | 0.00% | No change | 103 | $31 |
| Larson Financial Group LLC | 0.00% | New | 3 | $31 |
| XTX Topco Ltd | 0.00% | New | 26,259 | $0 |
"% of holder's portfolio" is RNAC's weight in each manager's 13F, not the share of Cartesian Therapeutics Inc. the manager owns.