Cartesian Therapeutics RNAC Institutional Ownership

NASDAQ RNAC

$7.21 -0.03 (-0.41%)

At close: Sep 30, 2026 · 4:00 PM EDT

Institutions by Trading Activity

100 Institutions

Increased 71 71.0%

Unchanged 16 16.0%

Reduced 13 13.0%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

30.22%

▲+2.91 pp QoQ

Shares Held by Institutions

8.90Mn

of 29.47Mn outstanding

▲+26.74% QoQ

Shares Outstanding

29.47Mn

20.56Mn held outside 13F filers

Institutional Investors

100

filed 13F for Jun 2026

▲+15 vs prior quarter

Net Shares Added (QoQ)

+1.88Mn

accumulated since last quarter

Value of Holdings

$64.20Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Cartesian Therapeutics, Inc. (NASDAQ:RNAC) is held by 100 institutional investors per 13F filings through June 2026.

Their combined ownership stood at 30.2% of outstanding shares in June 2026, up from 27.3% in March 2026.
They increased total shares held in Cartesian Therapeutics by 26.74% from last quarter, and the number of investors in RNAC increased 51.52% annually.
Of these 100 funds, 71 grew their exposure to Cartesian Therapeutics, 13 cut back, and 16 maintained positions.
Altogether, these fund groups held 8.9Mn shares in RNAC by June 2026, up by 1.88Mn shares quarter on quarter, and up 2.47Mn shares year over year.
As of June 30, 2026, Squarepoint Ops LLC held the largest stake in Cartesian Therapeutics with 2.25Mn shares, accounting for 7.65% of total shares outstanding.
The biggest buyers of Cartesian Therapeutics for the quarter ending June 2026 included 683 Capital Management, LLC (320.0K), AQR CAPITAL MANAGEMENT LLC (272.44K), BlackRock, Inc. (220.13K), Jupiter Topco LLC (200.9K), VANGUARD CAPITAL MANAGEMENT LLC (148.23K).
The biggest sellers of Cartesian Therapeutics for the quarter ending June 2026 included FMR LLC (431.31K), Erste Asset Management GmbH (198.14K), RENAISSANCE TECHNOLOGIES LLC (47.0K), Privium Fund Management B.V. (27.44K), MARSHALL WACE, LLP (18.2K).
Business Quant data shows the 10 biggest positions in Cartesian Therapeutics as of June 2026 are held by Squarepoint Ops LLC (2.25Mn), BlackRock, Inc. (819.24K), 683 Capital Management, LLC (650.0K), VANGUARD CAPITAL MANAGEMENT LLC (555.82K), FMR LLC (368.43K), GEODE CAPITAL MANAGEMENT, LLC (356.52K), AQR CAPITAL MANAGEMENT LLC (356.46K), MILLENNIUM MANAGEMENT LLC (309.89K), TWO SIGMA INVESTMENTS, LP (296.29K), State Street Corp (249.21K).

Form 13F Holdings

100 Institutional Holders

Report period 30 Jun, 2026

Total shares held 8.90Mn

Of outstanding 30.22%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Squarepoint Ops LLC	0001642575	2,254,619	7.65%	▲16,133	+0.72%	$23.49Mn
2	BlackRock, Inc.	0002012383	819,239	2.78%	▲220,131	+36.74%	$8.54Mn
3	683 Capital Management, LLC	0001404574	650,000	2.21%	▲320,000	+96.97%	$6.77Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	555,823	1.89%	▲148,226	+36.37%	$5.79Mn
5	FMR LLC	0000315066	368,429	1.25%	▼431,314	-53.93%	$3.84Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	356,525	1.21%	▲92,831	+35.20%	$3.72Mn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	356,456	1.21%	▲272,440	+324.27%	$3.71Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	309,887	1.05%	▲25,570	+8.99%	$3.23Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	296,293	1.01%	▲128,980	+77.09%	$3.09Mn
10	State Street Corp	0000093751	249,212	0.85%	▲48,875	+24.40%	$2.60Mn
11	MARSHALL WACE, LLP	0001318757	232,919	0.79%	▼18,196	-7.25%	$2.43Mn
12	UBS Group AG	0001610520	208,647	0.71%	▲71,807	+52.48%	$2.17Mn
13	Jupiter Topco LLC	0002146052	200,905	0.68%	▲200,905	0.00%	$2.09Mn
14	IRONWOOD INVESTMENT MANAGEMENT LLC	0001127761	170,087	0.58%	0	0.00%	$0
15	Privium Fund Management B.V.	0001795097	151,675	0.51%	▼27,439	-15.32%	$1.58Mn
16	Northern Trust Corp	0000073124	105,698	0.36%	▲13,706	+14.90%	$1.10Mn
17	ADAR1 Capital Management, LLC	0001940272	98,877	0.34%	▲98,877	0.00%	$1.03Mn
18	VANGUARD FIDUCIARY TRUST CO	0000933478	91,854	0.31%	▲21,558	+30.67%	$957.12K
19	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	87,317	0.30%	▲26,734	+44.13%	$909.84K
20	DIADEMA PARTNERS LP	0002026172	87,057	0.30%	▲87,057	0.00%	$907.13K

Showing 1 to 20 of 100 holders