CARTESIAN THERAPEUTICS INC (RNAC) Institutional Ownership Changes & 13F Activity

CARTESIAN THERAPEUTICS INC (RNAC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy26,20067,300$413,895
Q4 2025Renaissance Technologies LLCBuy21,60041,100$296,331
Q2 2025Renaissance Technologies LLCBuy5,70019,500$202,605
Q4 2024Renaissance Technologies LLCSell-3,25213,800$247,158
Q2 2024Renaissance Technologies LLCBuy17,05217,052$460,575

Frequently asked questions about RNAC activity

  • Which institutional owners are buying RNAC?

    Institutional owners buying RNAC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in RNAC activity?

    "Buy" means an investor increased their reported position in RNAC compared to the prior reporting period. This reflects growing exposure to CARTESIAN THERAPEUTICS INC (RNAC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in RNAC increasing?

    Institutional interest in RNAC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.