Cartesian Therapeutics RNAC Institutional Ownership

NASDAQ RNAC

$6.41 -0.01 (-0.16%)

At close: Oct 22, 2026 · 4:00 PM EDT

Institutions by Trading Activity

96 Institutions

Increased 69 71.9%

Unchanged 14 14.6%

Reduced 13 13.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

28.94%

▲+3.87 pp QoQ

Shares Held by Institutions

8.69Mn

of 30.04Mn outstanding

▲+21.49% QoQ

Shares Outstanding

30.04Mn

21.34Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

+1.54Mn

accumulated since last quarter

Value of Holdings

$55.81Mn

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

Updated Oct 11, 2026

Cartesian Therapeutics, Inc. (NASDAQ:RNAC) counted 96 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

These investors held 28.94% of Cartesian Therapeutics' outstanding shares at the end of Q2 2026, up from 25.07% in Q1 2026.
Total holdings of RNAC shares rose 21.49% from Q1 2026, and the holder count rose 52.38% from Q2 2025.
Among the 96 holders of Cartesian Therapeutics, 69 added to their positions, 13 reduced their stakes and 14 left their positions unchanged.
Combined, institutional investors held 8.69Mn shares of RNAC as of Q2 2026, up 1.54Mn from the prior quarter and up 2.44Mn from a year earlier.
Squarepoint Ops LLC led 13F holders of RNAC with 2.25Mn shares as of June 30, 2026, or 7.51% of shares outstanding.
Holders that added the most shares of Cartesian Therapeutics in Q2 2026 were 683 Capital Management, LLC (+320K shares), AQR Capital Management LLC (+272.44K shares), BlackRock, Inc. (+220.13K shares), Vanguard Capital Management LLC (+148.23K shares) and Two Sigma Investments, LP (+128.98K shares).
The largest position reductions in RNAC for Q2 2026 were by FMR LLC (-431.31K shares), Erste Asset Management GmbH (-198.14K shares), Renaissance Technologies LLC (-47K shares), Privium Fund Management B.V. (-27.44K shares) and Marshall Wace, LLP (-18.2K shares).
Per Business Quant data, the 10 largest holders of Cartesian Therapeutics at the end of Q2 2026 were Squarepoint Ops LLC (2.25Mn shares), BlackRock, Inc. (819.24K shares), 683 Capital Management, LLC (650K shares), Vanguard Capital Management LLC (555.82K shares), FMR LLC (368.43K shares), Geode Capital Management, LLC (356.52K shares), AQR Capital Management LLC (356.46K shares), Millennium Management LLC (309.89K shares), Two Sigma Investments, LP (296.29K shares) and State Street Corp (249.21K shares).

Form 13F Holdings

96 Institutional Holders

Report period 30 Jun, 2026

Total shares held 8.69Mn

Of outstanding 28.94%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Squarepoint Ops LLC	0001642575	2,254,619	7.51%	▲16,133	+0.72%	$23.49Mn
2	BlackRock, Inc.	0002012383	819,239	2.73%	▲220,131	+36.74%	$8.54Mn
3	683 Capital Management, LLC	0001404574	650,000	2.16%	▲320,000	+96.97%	$6.77Mn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	555,823	1.85%	▲148,226	+36.37%	$5.79Mn
5	FMR LLC	0000315066	368,429	1.23%	▼431,314	-53.93%	$3.84Mn
6	GEODE CAPITAL MANAGEMENT, LLC	0001214717	356,525	1.19%	▲92,831	+35.20%	$3.72Mn
7	AQR CAPITAL MANAGEMENT LLC	0001167557	356,456	1.19%	▲272,440	+324.27%	$3.71Mn
8	MILLENNIUM MANAGEMENT LLC	0001273087	309,887	1.03%	▲25,570	+8.99%	$3.23Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	296,293	0.99%	▲128,980	+77.09%	$3.09Mn
10	State Street Corp	0000093751	249,212	0.83%	▲48,875	+24.40%	$2.60Mn
11	MARSHALL WACE, LLP	0001318757	232,919	0.78%	▼18,196	-7.25%	$2.43Mn
12	UBS Group AG	0001610520	208,647	0.69%	▲71,807	+52.48%	$2.17Mn
13	Jupiter Topco LLC	0002146052	200,905	0.67%	▲200,905	0.00%	$2.09Mn
14	Privium Fund Management B.V.	0001795097	151,675	0.50%	▼27,439	-15.32%	$1.58Mn
15	Northern Trust Corp	0000073124	105,698	0.35%	▲13,706	+14.90%	$1.10Mn
16	ADAR1 Capital Management, LLC	0001940272	98,877	0.33%	▲98,877	0.00%	$1.03Mn
17	VANGUARD FIDUCIARY TRUST CO	0000933478	91,854	0.31%	▲21,558	+30.67%	$957.12K
18	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	87,317	0.29%	▲26,734	+44.13%	$909.84K
19	DIADEMA PARTNERS LP	0002026172	87,057	0.29%	▲87,057	0.00%	$907.13K
20	Bank Of America Corp /De/	0000070858	84,624	0.28%	▲84,624	0.00%	$881.78K

Showing 1 to 20 of 96 holders