Cartesian Therapeutics, Inc.

RNAC

Exchange: Nasdaq
Industry: Pharmaceutical Preparations
SEC CIK: 0001453687

SEC filings (opens in a new tab)

No open-market purchases or sales by Cartesian Therapeutics, Inc. insiders were filed in the last 90 days; 94 institutions reported holding it in 13F filings for Q2 2026, worth $90.4M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding Cartesian Therapeutics, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of RNAC: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	83	1	94	+12
Shares	7.15M	4.64K	8.68M	+1.54M (+21.5%)
Value	$43.9M	$28.5K	$90.4M	+$46.5M (+105.8%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Cartesian Therapeutics, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to RNAC in Q2 2026
Institution	Shares	Value	% of portfolio
Jupiter Topco LLC	200,905	$2.09M	0.00%
ADAR1 Capital Management, LLC	98,877	$1.03M	0.05%
Diadema Partners LP	87,057	$907.1K	0.32%
Bank of America Corp	84,624	$881.8K	0.00%
Walleye Capital LLC	81,828	$852.6K	0.00%
Jump Financial, LLC	66,800	$696.1K	0.01%
CM Management, LLC	60,000	$625.2K	0.40%
Point72 Asset Management, L.P.	43,627	$454.6K	0.00%
Trexquant Investment LP	41,046	$427.7K	0.00%
D. E. Shaw & Co., Inc.	28,651	$298.5K	0.00%
Fedenia Advisers LLC	28,509	$297.1K	0.07%
Ieq Capital, LLC	25,416	$264.8K	0.00%
Persistent Asset Partners Ltd	22,191	$231.2K	0.07%
Invesco Ltd.	20,687	$215.6K	0.00%
Brevan Howard Capital Management LP	19,365	$201.8K	0.00%
Cerity Partners LLC	16,848	$175.6K	0.00%
Mariner, LLC	14,813	$154.3K	0.00%
Jane Street Group, LLC	11,824	$123.2K	0.00%
Price T Rowe Associates Inc	10,758	$113.0K	0.00%
Nisa Investment Advisors, LLC	1,600	$16.7K	0.00%
North Star Investment Management Corp.	1,084	$11.3K	0.00%
Quarry LP	15	$156	0.00%
Clearstead Advisors, LLC	9	$94	0.00%
JPL Wealth Management, LLC	4	$42	0.00%

Sold out (12)

Institutions that held Cartesian Therapeutics, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of RNAC in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Citadel Advisors LLC	110,128	$677.3K
Jacobs Levy Equity Management, Inc	101,534	$624.4K
Diametric Capital, LP	38,069	$234.1K
Man Group plc	23,699	$145.7K
Ameriprise Financial Inc	13,416	$82.5K
Public Employees Retirement System of Ohio	13,000	$80.0K
Mirae Asset Global Investments Co., Ltd.	3,715	$22.8K
UMA Financial Services, Inc.	144	$886
Optiver Holding B.V.	104	$640
MAI Capital Management	24	$148
Root Financial Partners, LLC	14	$86
Wealth Preservation Advisors, LLC	1	$6

Not filed for Q2 2026 yet (1)

Institutions that held Cartesian Therapeutics, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding RNAC in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
CWM, LLC	4,636	$28.5K