Security Snapshot

Cartesian Therapeutics, Inc. - COMMON STOCK (RNAC) Institutional Ownership

CUSIP: 816212302

13F Institutional Holders and Ownership History from Q1 2023 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

66

Shares (Excl. Options)

5,161,870

Price

$7.21

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Type / Class
Equity / COMMON STOCK
Symbol
RNAC on Nasdaq
Shares outstanding
26,658,100
Price per share
$6.24
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
5,161,870
Total reported value
$37,214,593
% of total 13F portfolios
0%
Share change
-806,390
Value change
-$8,841,079
Number of holders
66
Price from insider filings
$6.24
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • RNAC - Cartesian Therapeutics, Inc. - COMMON STOCK is tracked under CUSIP 816212302.
  • 66 institutions reported positions in Q4 2025.
  • 5 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 66 to 29 between Q4 2025 and Q1 2026.
  • Reported value moved from $37,214,593 to $6,030,758.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 66 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 816212302?
CUSIP 816212302 identifies RNAC - Cartesian Therapeutics, Inc. - COMMON STOCK in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Cartesian Therapeutics, Inc. - COMMON STOCK (RNAC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
SPRINGER TIMOTHY A 37% +0.27% $116,671,361 +$258,583 9,555,394 +0.22% Timothy A. Springer 13 Jan 2025
Kalayoglu Murat 20% $48,188,600 5,833,971 Murat Kalayoglu 31 Mar 2026
Squarepoint Ops LLC 8.3% $14,163,542 2,209,601 Squarepoint Ops LLC 09 Mar 2026
JPMORGAN CHASE & CO 6.1% $20,459,516 1,675,636 JPMORGAN CHASE & CO. 31 Mar 2025
FMR LLC 3% -46% $4,990,396 -$3,539,615 799,743 -41% FMR LLC 31 Mar 2026

As of 31 Dec 2025, 66 institutional investors reported holding 5,161,870 shares of Cartesian Therapeutics, Inc. - COMMON STOCK (RNAC). This represents 19% of the company’s total 26,658,100 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Cartesian Therapeutics, Inc. - COMMON STOCK (RNAC) together control 18% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
FMR LLC 5.1% 1,366,989 -37% 0% $9,855,990
BlackRock, Inc. 2.3% 609,696 -6.1% 0% $4,395,908
VANGUARD GROUP INC 2% 541,228 +3.9% 0% $3,902,253
683 Capital Management, LLC 1.1% 280,000 +22% 0.17% $2,018,800
Erste Asset Management GmbH 1% 271,705 +4.5% 0.02% $1,956,354
GEODE CAPITAL MANAGEMENT, LLC 0.96% 255,539 +5.7% 0% $1,842,696
STATE STREET CORP 0.75% 198,967 +0.66% 0% $1,434,552
MARSHALL WACE, LLP 0.67% 178,140 +110% 0% $1,284,388
Privium Fund Management B.V. 0.65% 172,500 0.23% $1,243,725
MILLENNIUM MANAGEMENT LLC 0.62% 164,366 +548% 0% $1,185,079
BANK OF AMERICA CORP /DE/ 0.42% 113,092 +704% 0% $815,393
JACOBS LEVY EQUITY MANAGEMENT, INC 0.36% 95,799 +219% 0% $690,711
TWO SIGMA INVESTMENTS, LP 0.34% 91,278 0% $658,114
NORTHERN TRUST CORP 0.33% 87,013 -4.7% 0% $627,364
CITADEL ADVISORS LLC 0.3% 79,785 +13% 0% $575,250
GSA CAPITAL PARTNERS LLP 0.29% 77,227 -10% 0.05% $557,000
UBS Group AG 0.25% 67,341 +577% 0% $485,528
Walleye Capital LLC 0.16% 43,878 0% $316,360
RENAISSANCE TECHNOLOGIES LLC 0.15% 41,100 0% $296,331
Point72 Asset Management, L.P. 0.13% 33,871 0% $244,207
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.09% 25,300 +1.6% 0% $182,413
Bank of New York Mellon Corp 0.09% 25,241 +4.3% 0% $181,988
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.09% 25,000 0% 0% $180,250
TWO SIGMA ADVISERS, LP 0.09% 24,808 0% $178,866
Nuveen, LLC 0.09% 24,497 0% 0% $176,623

Institutional Holders of Cartesian Therapeutics, Inc. - COMMON STOCK (RNAC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 981,212 $6,030,758 +$21,099 $6.15 29
2025 Q4 5,161,870 $37,214,593 -$8,841,079 $7.21 66
2025 Q3 5,968,086 $60,898,831 -$4,440,064 $10.22 65
2025 Q2 6,401,037 $66,468,780 -$2,049,017 $10.39 65
2025 Q1 6,582,077 $86,710,172 -$755,346 $13.18 68
2024 Q4 6,665,799 $119,478,509 -$2,692,613 $17.91 64
2024 Q3 6,867,968 $110,349,366 +$42,879,892 $16.12 61
2024 Q2 3,268,033 $88,276,427 +$88,059,260 $27.01 57
2024 Q1 1,855 $1,157 +$1,157 $0.64 4
2023 Q4 0 $0 -$1,272 $6.24 0
2023 Q3 1,200 $1,272 $1.06 1
2023 Q2 1,200 $1,344 $1.12 1
2023 Q1 1,200 $1,668 +$1,668 $1.39 1
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