Cartesian Therapeutics Inc.
Ownership
Ownership Structure
Who owns Cartesian Therapeutics Inc. (RNAC)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 38.0% of the shares are freely tradable; institutional investors hold 24.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Squarepoint Ops LLC | 7.45 | 2,254,619 | +0.7 | 06/30/2026 |
| BlackRock Inc | 2.71 | 819,239 | +36.7 | 06/30/2026 |
| Vanguard Capital Management, LLC | 1.84 | 555,823 | +36.4 | 06/30/2026 |
| FMR Inc | 1.22 | 368,429 | -53.9 | 06/30/2026 |
| Geode Capital Management, LLC | 1.18 | 356,525 | +35.2 | 06/30/2026 |
| AQR Capital Management LLC | 1.18 | 356,456 | +324.3 | 06/30/2026 |
| 683 Capital Management LLC | 1.09 | 330,000 | +17.9 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 1.24 | 376,309 | +0.0 | 09/30/2026 |
| Fidelity Select Biotechnology | 1.21 | 366,554 | +0.0 | 08/31/2026 |
| iShares Russell 2000 ETF | 1.12 | 340,313 | -1.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 2, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.