Cartesian Therapeutics
RNAC · NASDAQ
$6.40+$0.315 (+5.18%)TodayMarket closed ·
Prev close $6.08
Who owns RNAC
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 66.8% of RNAC’s shares.
- Springer Timothy A29.4%
- Seven One Eight Three Four Irrevocable Trust15.5%
- Squarepoint Capital LLP7.7%
- BlackRock Institutional Trust Company, N.A.2.5%
- Next 6 largest institutions11.7%
- All other shareholders33.2%
| Holder | Shares | % of shares |
|---|---|---|
| Springer Timothy A | 8.64M | 29.41% |
| Seven One Eight Three Four Irrevocable Trust | 4.56M | 15.50% |
| Squarepoint Capital LLP | 2.25M | 7.67% |
| BlackRock Institutional Trust Company, N.A. | 743.40K | 2.53% |
| Singer (Michael S.) | 685.08K | 2.33% |
| TAS Partners, L.L.C. | 656.51K | 2.23% |
| 683 Capital Management LLC | 650.00K | 2.21% |
| Vanguard Capital Management, LLC | 555.82K | 1.89% |
| Kalayoglu (Murat) | 520.71K | 1.77% |
| Fidelity Management & Research Company LLC | 368.43K | 1.25% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 376.31K | 1.28% |
| Fidelity Select Biotechnology Portfolio | 366.55K | 1.25% |
| iShares Russell 2000 ETF | 337.14K | 1.15% |
| Janus Henderson Small Cap Growth Alpha ETF | 195.16K | 0.66% |
| Vanguard Extended Market Index Fund | 169.73K | 0.58% |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.86M
- Days to cover
- 12.64
- % of shares outstanding
- 6.32%
- Average daily volume
- 146.84K
- Change since last report
- +2.9%
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