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Cartesian Therapeutics, Inc.

RNAC
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001453687

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.

13F holders, Q3 2025

Institutional positions in Cartesian Therapeutics, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
68
+2 vs. Q2 2025
Shares held
5.99M
−406.6K (−6.4%) vs. Q2 2025
Total value
$60.9M
−$5.57M (−8.4%) vs. Q2 2025
New holders
6
22 more added
Sold out
4
21 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RNAC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 68 institutions
Q1 2021: 98 institutionsQ2 2021: 101 institutionsQ3 2021: 103 institutionsQ4 2021: 106 institutionsQ1 2022: 102 institutionsQ2 2022: 93 institutionsQ3 2022: 97 institutionsQ4 2022: 86 institutionsQ1 2023: 95 institutionsQ2 2023: 92 institutionsQ3 2023: 87 institutionsQ4 2023: 80 institutionsQ1 2024: 70 institutionsQ2 2024: 62 institutionsQ3 2024: 64 institutionsQ4 2024: 68 institutionsQ1 2025: 72 institutionsQ2 2025: 66 institutionsQ3 2025: 68 institutionsQ4 2025: 67 institutionsQ1 2026: 83 institutionsQ2 2026: 94 institutions
Value heldQ3 2025: $60.9M
Q1 2021: $245.1MQ2 2021: $219.2MQ3 2021: $216.7MQ4 2021: $185.7MQ1 2022: $71.6MQ2 2022: $79.3MQ3 2022: $104.9MQ4 2022: $62.8MQ1 2023: $65.1MQ2 2023: $63.2MQ3 2023: $57.2MQ4 2023: $37.8MQ1 2024: $35.3MQ2 2024: $88.3MQ3 2024: $110.3MQ4 2024: $119.5MQ1 2025: $86.7MQ2 2025: $66.5MQ3 2025: $60.9MQ4 2025: $37.2MQ1 2026: $43.9MQ2 2026: $90.4M
Institutions holding RNAC and their total value by quarter
QuarterHoldersValue
Q2 202694$90.4M
Q1 202683$43.9M
Q4 202567$37.2M
Q3 202568$60.9M
Q2 202566$66.5M
Q1 202572$86.7M
Q4 202468$119.5M
Q3 202464$110.3M
Q2 202462$88.3M
Q1 202470$35.3M
Q4 202380$37.8M
Q3 202387$57.2M
Q2 202392$63.2M
Q1 202395$65.1M
Q4 202286$62.8M
Q3 202297$104.9M
Q2 202293$79.3M
Q1 2022102$71.6M
Q4 2021106$185.7M
Q3 2021103$216.7M
Q2 2021101$219.2M
Q1 202198$245.1M

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Cartesian Therapeutics, Inc.; share changes are against Q2 2025.

Institutions holding RNAC in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC2,155,783$22.0M0.00%−178,341−7.6%Reduced
BlackRock, Inc.649,341$6.64M0.00%−4,499−0.7%Reduced
Siren, L.L.C.563,272$5.76M0.23%00.0%Unchanged
Vanguard Group Inc520,722$5.32M0.00%+24,356+4.9%Added
MPM Oncology Impact Management LP380,000$3.88M0.64%−306,007−44.6%Reduced
Erste Asset Management GmbH260,011$2.56M0.02%00.0%Unchanged
Geode Capital Management, LLC241,829$2.47M0.00%+22,902+10.5%Added
683 Capital Management, LLC230,000$2.35M0.21%+11,000+5.0%Added
State Street Corp197,666$2.02M0.00%+3,397+1.7%Added
Northern Trust Corp91,289$933.0K0.00%+8,345+10.1%Added
Gsa Capital Partners LLP86,095$880.0K0.07%+44,493+106.9%Added
Marshall Wace, LLP84,806$866.7K0.00%+2,176+2.6%Added
Citadel Advisors LLC70,524$720.8K0.00%−50,350−41.7%Reduced
Royal Bank of Canada36,222$370.0K0.00%+17,922+97.9%Added
Jacobs Levy Equity Management, Inc30,001$306.6K0.00%−11,316−27.4%Reduced
Freestone Capital Holdings, LLC25,921$264.9K0.01%00.0%Unchanged
Millennium Management LLC25,357$259.1K0.00%+25,357New
Bridgeway Capital Management, LLC25,000$255.5K0.01%+25,000New
Charles Schwab Investment Management Inc24,895$254.4K0.00%−80.0%Reduced
Nuveen, LLC24,497$250.4K0.00%00.0%Unchanged
Bank of New York Mellon Corp24,191$247.2K0.00%−790−3.2%Reduced
Ikarian Capital, LLC22,166$226.5K0.05%00.0%Unchanged
Twin Focus Capital Partners, LLC19,500$199.3K0.03%+500+2.6%Added
Morgan Stanley18,974$193.9K0.00%−10,239−35.0%Reduced
Barclays PLC17,842$182.3K0.00%−12,833−41.8%Reduced
Bank of America Corp14,069$143.8K0.00%+136+1.0%Added
Rhumbline Advisers13,134$134.2K0.00%−37−0.3%Reduced
Alliancebernstein L.P.12,765$130.5K0.00%+870+7.3%Added
Susquehanna International Group, LLP12,330$126.0K0.00%+760+6.6%Added
Miller Financial Services LLC11,643$119.0K0.14%00.0%Unchanged
Virtus Investment Advisers, Inc.11,112$113.6K0.03%+1,929+21.0%Added
UBS Group AG9,948$101.7K0.00%−3,258−24.7%Reduced
Wells Fargo & Company7,884$80.6K0.00%+2,051+35.2%Added
Deutsche Bank AG7,424$75.9K0.00%00.0%Unchanged
Quest Partners LLC6,924$70.8K0.00%+2,717+64.6%Added
JPMorgan Chase & Co6,124$62.6K0.00%+44+0.7%Added
Mirae Asset Global ETFs Holdings Ltd.4,876$49.8K0.00%−180−3.6%Reduced
China Universal Asset Management Co., Ltd.4,558$46.6K0.00%−655−12.6%Reduced
New York State Common Retirement Fund3,902$39.9K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey2,939$30.0K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA2,240$22.9K0.00%+862+62.6%Added
Tower Research Capital LLC (TRC)1,312$13.4K0.00%−1,673−56.0%Reduced
Mirae Asset Global Investments Co., Ltd.1,005$10.3K0.00%−3,713−78.7%Reduced
Alerus Financial NA1,000$10.2K0.00%00.0%Unchanged
Legal & General Group Plc938$9.59K0.00%00.0%Unchanged
California State Teachers Retirement System767$7.84K0.00%+1+0.1%Added
Russell Investments Group, Ltd.767$7.84K0.00%+712+1,294.5%Added
Ameritas Investment Partners, Inc.708$7.24K0.00%00.0%Unchanged
Citigroup Inc667$6.82K0.00%−2,962−81.6%Reduced
Sterling Capital Management LLC639$6.53K0.00%+416+186.5%Added
GF Fund Management Co. Ltd.549$5.61K0.00%−101−15.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)439$4.49K0.00%−201−31.4%Reduced
Amalgamated Bank356$4.00K0.00%00.0%Unchanged
Advisor Group Holdings, Inc.304$3.09K0.00%00.0%Unchanged
CWM, LLC254$3.00K0.00%−299−54.1%Reduced
SRS Capital Advisors, Inc.111$1.14K0.00%+111New
Nisa Investment Advisors, LLC107$1.09K0.00%+64+148.8%Added
Daiwa Securities Group Inc.84$1.00K0.00%00.0%Unchanged
Optiver Holding B.V.80$8180.00%+80New
Activest Wealth Management66$6750.00%00.0%Unchanged
Spire Wealth Management50$5110.00%00.0%Unchanged
SBI Securities Co., Ltd.50$5110.00%+1+2.0%Added
EverSource Wealth Advisors, LLC39$3990.00%−8−17.0%Reduced
GAMMA Investing LLC15$1530.00%00.0%Unchanged
Essential Partners LLC14$1430.00%−1−6.7%Reduced
Parallel Advisors, LLC103$310.00%00.0%Unchanged
Larson Financial Group LLC3$310.00%+3New
XTX Topco Ltd26,259$00.00%+26,259New
Delphi Financial Group, Inc.0$00.00%−22,028−100.0%Sold out
Renaissance Technologies LLC0$00.00%−19,500−100.0%Sold out
National Bank of Canada0$00.00%−40−100.0%Sold out
Allworth Financial LP0$00.00%−15−100.0%Sold out