Cartesian Therapeutics Ownership | Who Owns Cartesian Therapeutics?

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Cartesian Therapeutics Ownership Summary

Cartesian Therapeutics is owned by 2.68% institutional investors, 59.85% insiders, and 37.48% retail investors. Fmr is the largest institutional shareholder, holding 8.30% of RNAC shares. Fidelity Select Biotechnology is the top mutual fund, with 2.56% of its assets in Cartesian Therapeutics shares.

RNAC Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Cartesian Therapeutics	2.68%	59.85%	37.48%
Sector	Healthcare Stocks	42.50%	10.81%	46.69%
Industry	Biotech Stocks	45.24%	10.75%	44.01%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Fmr	2.16M	8.30%	$22.03M
Blackrock funding, inc. /de	649.34K	2.50%	$6.64M
Siren	563.27K	2.17%	$5.76M
Vanguard group	520.72K	2.00%	$5.32M
Bioimpact capital	380.00K	1.46%	$3.88M
Erste asset management gmbh	260.01K	1.00%	$2.56M
Geode capital management	241.83K	0.93%	$2.47M
683 capital management	230.00K	0.89%	$2.35M
State street	197.67K	0.76%	$2.02M
Northern trust	91.29K	0.35%	$932.97K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bioimpact capital	380.00K	0.64%	$3.88M
Siren	563.27K	0.23%	$5.76M
Miller financial services	11.64K	0.14%	$118.99K
683 capital management	230.00K	0.12%	$2.35M
Gsa capital partners llp	86.09K	0.07%	$880.00K
Virtus investment advisers	11.11K	0.03%	$113.56K
Twin focus capital partners	19.50K	0.03%	$199.29K
Erste asset management gmbh	260.01K	0.02%	$2.56M
Ikarian capital	22.17K	0.02%	$226.54K
Freestone capital	25.92K	0.01%	$264.91K

Top Buyers

Holder	Shares	% Assets	Change
Gsa capital partners llp	86.09K	0.07%	44.49K
Bridgeway capital management	25.00K	0.01%	25.00K
Vanguard group	520.72K	0.00%	24.36K
Geode capital management	241.83K	0.00%	22.90K
Royal bank of canada	36.22K	0.00%	17.92K

Top Sellers

Holder	Shares	% Assets	Change
Bioimpact capital	380.00K	0.64%	-306.01K
Fmr	2.16M	0.00%	-178.34K
Delphi financial group	-	-	-22.03K
Renaissance	-	-	-19.50K
Alps advisors	-	-	-19.39K

New Positions

Holder	Shares	% Assets	Change	Value
Bridgeway capital management	25.00K	0.01%	25.00K	$255.50K
Srs capital advisors	111.00	-	111.00	$1.14K
Optiver b.v.	80.00	-	80.00	$818.00
Allworth financial lp	15.00	-	15.00	$156.00
Larson financial group	3.00	-	3.00	$31.00

Sold Out

Holder	Change
Ifp advisors	-1.00
True wealth design	-2.00
Truvestments capital	-10.00
Farther finance advisors	-18.00
Coldstream capital management	-29.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Sep 30, 2025	23	-62.90%	695,491	-88.85%	2	0.46%	7	-75.00%	9	-47.06%
Jun 30, 2025	66	-2.94%	6,395,690	-2.83%	24	3.81%	29	-12.12%	18	-
Mar 31, 2025	68	4.62%	6,582,091	1.37%	25	145.00%	33	-25.00%	18	125.00%
Dec 31, 2024	66	6.45%	6,666,026	-2.94%	4	21.92%	45	28.57%	8	-11.11%
Sep 30, 2024	62	5.08%	6,868,068	109.92%	4	99.52%	35	-37.50%	9	200.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Fidelity Select Biotechnology	665.75K	2.56%	-10.20K
Fidelity Growth Compy Commingled Pl S	462.91K	1.78%	500.00
HBM Healthcare Investments AG Ord	415.23K	1.60%	-
Fidelity Select Health Care	368.99K	1.42%	-
Fidelity Growth Company Fund	341.34K	1.31%	300.00
Vanguard Total Stock Mkt Idx Inv	281.78K	1.08%	-6.21K
iShares Russell 2000 ETF	239.73K	0.92%	-
Fidelity Advisor Health Care I	230.25K	0.89%	-
Fidelity Advisor Biotechnology I	167.95K	0.66%	167.95K
Vanguard US Total Market Shares ETF	126.63K	0.49%	-

Recent Insider Transactions

Date	Name	Activity	Value
Apr 09, 2025	SPRINGER TIMOTHY A	Buy	$308.48
Apr 11, 2025	SPRINGER TIMOTHY A	Buy	$69.07K
Apr 10, 2025	SPRINGER TIMOTHY A	Buy	$6.65K
Apr 10, 2025	SPRINGER TIMOTHY A	Buy	$83.12K
Apr 09, 2025	SPRINGER TIMOTHY A	Buy	$69.21K

Insider Transactions Trends

Date	Buy	Sell
2025 Q4	-	-
2025 Q2	10	-
2025 Q1	6	12
2024 Q4	20	17
2024 Q3	2	-

RNAC Ownership FAQ

Who Owns Cartesian Therapeutics?

Cartesian Therapeutics shareholders are primarily institutional investors at 2.68%, followed by 59.85% insiders and 37.47% retail investors. The average institutional ownership in Cartesian Therapeutics's industry, Biotech Stocks , is 45.24%, which Cartesian Therapeutics falls below.

Who owns the most shares of Cartesian Therapeutics?

Cartesian Therapeutics’s largest shareholders are Fmr (2.16M shares, 8.30%), Blackrock funding, inc. /de (649.34K shares, 2.50%), and Siren (563.27K shares, 2.17%). Together, they hold 12.97% of Cartesian Therapeutics’s total shares outstanding.

Does Blackrock own Cartesian Therapeutics?

BlackRock is not among the top 10 institutional shareholders of Cartesian Therapeutics.

Who is Cartesian Therapeutics’s biggest shareholder by percentage of total assets invested?

Bioimpact capital is Cartesian Therapeutics’s biggest shareholder by percentage of total assets invested, with 0.64% of its assets in 380K Cartesian Therapeutics shares, valued at 3.88M$.

Who is the top mutual fund holder of Cartesian Therapeutics shares?

Fidelity Select Biotechnology is the top mutual fund holder of Cartesian Therapeutics shares, with 2.56% of its total shares outstanding invested in 665.75K Cartesian Therapeutics shares.

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