RNAC — Cartesian Therapeutics Inc

Ownership history in Siren, L.L.C. · 5 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in Cartesian Therapeutics Inc (RNAC). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position

0.46% (2024 Q3)

Avg. % of fund

0.37%

First filed

2024 Q3

Last filed

2025 Q3

Quarters held

5

Quarter	Action	Shares	Change	Chg %	% of Fund	Mkt Value	Price (EOQ)
2025 Q3	UNCHANGED	563,272	—	0%	0.23%	$5.8M	$10.22
2025 Q2	UNCHANGED	563,272	—	0%	0.30%	$5.9M	$10.39
2025 Q1	REDUCED	563,272	-8,964	-1.6%	0.42%	$7.4M	$13.18
2024 Q4	UNCHANGED	572,236	—	0%	0.45%	$10.2M	$17.91

% of Fund (quarterly) RNAC price (monthly, adj. close)

Other funds also holding RNAC

As of 2025 Q4 — sorted by position size

Privium Fund Management B.V. 3Y 0.23% 683 Capital Management, LLC 3Y 7Y 0.09% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.05% Erste Asset Management GmbH 0.02% TWIN FOCUS CAPITAL PARTNERS, LLC 3Y 7Y 0.02% Ikarian Capital, LLC 3Y 0.01% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.0% AlphaQuest LLC 0.0% JACOBS LEVY EQUITY MANAGEMENT, INC 3Y 7Y 0.0% XTX Topco Ltd 3Y 0.0%

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