Cartesian TherapeuticsRNAC
13F holders, Q1 2026 (March 31)83holders +16
23new positions
9sold out
4famous investors
$6.14avg. 13F price*
At the end of Q1 2026, 83 institutions reported holding Cartesian Therapeutics Inc. (RNAC) in their 13F filings, up 16 from Q4 2025. 23 opened new positions and 9 sold out. The largest holders were Squarepoint Ops LLC ($13.8M), FMR LLC ($4.9M) and BlackRock, Inc. ($3.7M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Cartesian Therapeutics Inc.
- CUSIP
- 816212302
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 23 | $1.4M |
| Exits | 9 | $2.1M |
All 13F filers, Q4 2025 → Q1 2026: 2,983,503 shares bought and 966,719 shares sold, net +2,016,784 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 83 holders
| Squarepoint Ops LLC | 0.03% | Add +12190.6% | 2,238,486 | $13.8M |
| FMR LLC | 0.00% | Reduce -41.5% | 799,743 | $4.9M |
| BlackRock, Inc. | 0.00% | Reduce -1.7% | 599,108 | $3.7M |
| Vanguard Capital Management LLC | 0.00% | — | 407,597 | $2.5M |
| 683 Capital Management, LLC | 0.20% | Add +17.9% | 330,000 | $2.0M |
| Millennium Management | 0.00% | Add +73.0% | 284,317 | $1.7M |
| Geode Capital Management, LLC | 0.00% | Add +3.2% | 263,694 | $1.6M |
| Marshall Wace, LLP | 0.00% | Add +41.0% | 251,115 | $1.5M |
| Erste Asset Management GmbH | 0.01% | Reduce -18.4% | 221,705 | $1.3M |
| State Street Corp. | 0.00% | Add +0.7% | 200,337 | $1.2M |
| Privium Fund Management B.V. | 0.23% | Add +3.8% | 179,114 | $1.1M |
| Two Sigma Investments, LP | 0.00% | Add +83.3% | 167,313 | $1.0M |
| UBS Group AG | 0.00% | Add +103.2% | 136,840 | $842K |
| Citadel Advisors | 0.00% | Add +38.0% | 110,128 | $677K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +6.0% | 101,534 | $624K |
| Northern Trust Corp. | 0.00% | Add +5.7% | 91,992 | $566K |
| AQR Capital Management | 0.00% | New | 84,020 | $517K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 70,296 | $432K |
| Renaissance Technologies | 0.00% | Add +63.8% | 67,300 | $414K |
| Vanguard Portfolio Management LLC | 0.00% | — | 60,583 | $373K |
| Diametric Capital, LP | 0.06% | New | 38,069 | $234K |
| Nuveen, LLC | 0.00% | Add +52.9% | 37,451 | $230K |
| Goldman Sachs Group Inc. | 0.00% | New | 30,927 | $190K |
| XTX Topco Ltd | 0.00% | Add +193.6% | 30,055 | $185K |
| Bank of New York Mellon Corp | 0.00% | Add +3.4% | 26,099 | $161K |
| Bridgeway Capital Management, LLC | 0.00% | No change | 25,000 | $154K |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -1.5% | 24,929 | $153K |
| Man Group plc | 0.00% | New | 23,699 | $146K |
| Acadian Asset Management LLC | 0.00% | New | 23,484 | $142K |
| Miller Financial Services LLC | 0.15% | Add +62.3% | 22,143 | $136K |
| Ikarian Capital, LLC | 0.02% | No change | 20,807 | $128K |
| Twin Focus Capital Partners, LLC | 0.01% | No change | 19,500 | $120K |
| Alliancebernstein L.P. | 0.00% | No change | 12,765 | $92K |
| Morgan Stanley | 0.00% | Reduce -36.4% | 14,805 | $91K |
| Ameriprise Financial Inc. | 0.00% | Reduce -32.3% | 13,416 | $83K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -16.1% | 13,000 | $80K |
| Sei Investments Co. | 0.00% | New | 12,764 | $78K |
| Rhumbline Advisers | 0.00% | Add +1.8% | 12,360 | $76K |
| Wedbush Securities Inc. | 0.00% | New | 11,500 | $71K |
| BNP Paribas Financial Markets | 0.00% | Add +312.2% | 9,950 | $61K |
| Deutsche Bank AG | 0.00% | Add +0.1% | 8,116 | $50K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +2.6% | 5,253 | $32K |
| Cwm, LLC | 0.00% | Add +2327.2% | 4,636 | $29K |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +778.5% | 4,533 | $28K |
| JPMorgan Chase & Co. | 0.00% | Reduce -25.1% | 4,413 | $26K |
| Wells Fargo & Company | 0.00% | Reduce -66.2% | 3,980 | $24K |
| New York State Common Retirement Fund | 0.00% | No change | 3,902 | $24K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | New | 3,715 | $23K |
| Vanguard Global Advisers, LLC | 0.00% | — | 3,630 | $22K |
| Barclays PLC | 0.00% | Reduce -81.3% | 3,307 | $20K |
| Forum Finance Group S.A. | 0.01% | — | 3,900 | $20K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 2,939 | $18K |
| Strategic Wealth Partners, Ltd. | 0.00% | New | 2,029 | $12K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -26.6% | 1,747 | $11K |
| Alerus Financial NA | 0.00% | No change | 1,000 | $6K |
| Legal & General Group Plc | 0.00% | Reduce -2.5% | 915 | $6K |
| Russell Investments Group, Ltd. | 0.00% | No change | 849 | $5K |
| GAMMA Investing LLC | 0.00% | New | 812 | $5K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 708 | $4K |
| Essential Partners LLC | 0.00% | New | 597 | $4K |
| California State Teachers Retirement System | 0.00% | Reduce -12.1% | 567 | $3K |
| Citigroup Inc. | 0.00% | Add +108.0% | 495 | $3K |
| Sterling Capital Management LLC | 0.00% | Reduce -51.4% | 313 | $2K |
| Osaic Holdings, Inc. | 0.00% | Add +182.2% | 302 | $2K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +4116.7% | 253 | $2K |
| Physician Wealth Advisors, Inc. | 0.00% | New | 144 | $886 |
| Allworth Financial LP | 0.00% | New | 126 | $775 |
| Optiver Holding B.V. | 0.00% | Add +30.0% | 104 | $640 |
| Activest Wealth Management | 0.00% | No change | 66 | $406 |
| IFP Advisors, Inc | 0.00% | New | 62 | $381 |
| Farther Finance Advisors, LLC | 0.00% | New | 57 | $364 |
| SBI Securities Co., Ltd. | 0.00% | No change | 49 | $301 |
| Rothschild Investment LLC | 0.00% | New | 40 | $246 |
| PNC Financial Services Group, Inc. | 0.00% | Add +620.0% | 36 | $221 |
| True Wealth Design, LLC | 0.00% | New | 28 | $173 |
| MAI Capital Management | 0.00% | New | 24 | $148 |
| Arax Advisory Partners | 0.00% | New | 19 | $117 |
| Root Financial Partners, LLC | 0.00% | New | 14 | $86 |
| Parallel Advisors, LLC | 0.00% | No change | 103 | $18 |
| SJS Investment Consulting Inc. | 0.00% | New | 2 | $13 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 2 | $12 |
| Wealth Preservation Advisors, LLC | 0.00% | New | 1 | $6 |
| Royal Bank of Canada | 0.00% | Reduce -92.3% | 70 | $0 |
"% of holder's portfolio" is RNAC's weight in each manager's 13F, not the share of Cartesian Therapeutics Inc. the manager owns.