Cartesian Therapeutics, Inc. (RNAC) Institutional Ownership

Institutions by Trading Activity

26,002,892Shares Outstanding

5,146,473Shares held by institutions

$50,178,112Value of institutional holdings

19.79%Institutional ownership %

3.16%Shares Changed QoQ

66No. of institutional investors

Cartesian Therapeutics, Inc. (NASDAQ:RNAC) showed up in the 13F filings of 66 institutional investors as of December 2025.

Their combined ownership stood at 19.8% of outstanding shares in December 2025, down from 23.0% in September 2025.
They increased total shares held in Cartesian Therapeutics by 3.16% from last quarter, and the number of investors in RNAC decreased 4.35% annually.
Activity in RNAC broke down as 37 buyers, 16 sellers, and 13 unchanged among 66 total holders.
Combined, these investors held 5.15Mn shares in RNAC for December 2025, up by 157.65K shares quarter on quarter, and down 1.56Mn shares year over year.
IRONWOOD INVESTMENT MANAGEMENT LLC is the top holder of Cartesian Therapeutics as of December 31, 2025, with 170.09K shares representing 0.65% of outstanding stock.
Per Business Quant, the top 2 investors in RNAC for the quarter ending December 2025 include IRONWOOD INVESTMENT MANAGEMENT LLC (170.09K), Sterling Capital Management LLC (8.27K).

5,146,473 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
FMR LLC	31 Dec, 2025	1,366,989	-788,794	-36.59%	$9,855,990.00
BlackRock, Inc.	31 Dec, 2025	609,696	-39,645	-6.11%	$4,395,908.00
VANGUARD GROUP INC	31 Dec, 2025	541,228	20,506	3.94%	$3,902,253.00
683 Capital Management, LLC	31 Dec, 2025	280,000	50,000	21.74%	$2,018,800.00
Erste Asset Management GmbH	31 Dec, 2025	271,705	11,694	4.50%	$1,956,354.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	255,539	13,710	5.67%	$1,842,696.00
State Street Corp	31 Dec, 2025	198,967	1,301	0.66%	$1,434,552.00
MARSHALL WACE, LLP	31 Dec, 2025	178,140	93,334	110.06%	$1,284,388.00
Privium Fund Management B.V.	31 Dec, 2025	172,500	172,500	0.00%	$1,243,725.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
IRONWOOD INVESTMENT MANAGEMENT LLC	31 Dec, 2025	170,087	0	0.00%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	164,366	139,009	548.21%	$1,185,079.00
Bank Of America Corp /De/	31 Dec, 2025	113,092	84,954	301.92%	$815,393.00
JACOBS LEVY EQUITY MANAGEMENT, INC	31 Dec, 2025	95,799	65,798	219.32%	$690,711.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	91,278	91,278	0.00%	$658,114.00
Northern Trust Corp	31 Dec, 2025	87,013	-4,276	-4.68%	$627,364.00

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