Cartesian Therapeutics, Inc. - RNAC

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Squarepoint Ops LLC History Added to 2,238,486 13,766 0.02% 0.0% 1 +2,220,273 12190.59% Q1 2026 May 15, 2026
FMR LLC History Reduced 799,743 4,918 0.0% 0.0% 2 -567,246 -41.5% Q1 2026 May 15, 2026
VANGUARD GROUP INC History No change 541,228 3,902 0.0% 0.0% 3 0 0.0% Q4 2025 Jan 29, 2026
BlackRock, Inc. History Reduced 599,108 3,684 0.0% 0.0% 4 -10,588 -1.74% Q1 2026 May 13, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 407,597 2,506 0.0% 5 +407,597 New Q1 2026 May 15, 2026
683 Capital Management, LLC History Added to 330,000 2,029 0.11% 0.09% 6 +50,000 17.86% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History Added to 284,317 1,748 0.0% 0.0% 7 +119,951 72.98% Q1 2026 May 15, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 263,694 1,621 0.0% 0.0% 8 +8,155 3.19% Q1 2026 May 15, 2026
MARSHALL WACE, LLP History Added to 251,115 1,544 0.0% 0.0% 9 +72,975 40.96% Q1 2026 May 14, 2026
Erste Asset Management GmbH History Reduced 221,705 1,303 0.01% 0.02% 10 -50,000 -18.4% Q1 2026 May 11, 2026
STATE STREET CORP History Added to 200,337 1,232 0.0% 0.0% 11 +1,370 0.69% Q1 2026 May 15, 2026
Privium Fund Management B.V. History Added to 179,114 1,101 0.23% 0.23% 12 +6,614 3.83% Q1 2026 May 05, 2026
TWO SIGMA INVESTMENTS, LP History Added to 167,313 1,028 0.0% 0.0% 13 +76,035 83.3% Q1 2026 May 15, 2026
UBS Group AG History Added to 136,840 841 0.0% 0.0% 14 +69,499 103.2% Q1 2026 May 05, 2026
CITADEL ADVISORS LLC History Added to 110,128 677 0.0% 0.0% 15 +30,343 38.03% Q1 2026 May 15, 2026
JACOBS LEVY EQUITY MANAGEMENT, INC History Added to 101,534 624 0.0% 0.0% 16 +5,735 5.99% Q1 2026 May 15, 2026
NORTHERN TRUST CORP History Added to 91,992 565 0.0% 0.0% 17 +4,979 5.72% Q1 2026 May 14, 2026
AQR CAPITAL MANAGEMENT LLC History New 84,020 516 0.0% 18 +84,020 New Q1 2026 May 15, 2026
VANGUARD FIDUCIARY TRUST CO History New 70,296 432 0.0% 19 +70,296 New Q1 2026 May 08, 2026
RENAISSANCE TECHNOLOGIES LLC History Added to 67,300 413 0.0% 0.0% 20 +26,200 63.75% Q1 2026 May 14, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC History New 60,583 372 0.0% 21 +60,583 New Q1 2026 May 08, 2026
Diametric Capital, LP History New 38,069 234 0.06% 22 +38,069 New Q1 2026 May 15, 2026
Nuveen, LLC History Added to 37,451 230 0.0% 0.0% 23 +12,954 52.88% Q1 2026 Apr 30, 2026
GOLDMAN SACHS GROUP INC History New 30,927 190 0.0% 24 +30,927 New Q1 2026 May 15, 2026
XTX Topco Ltd History Added to 30,055 184 0.0% 0.0% 25 +19,817 193.56% Q1 2026 May 15, 2026
TWO SIGMA ADVISERS, LP History No change 24,808 178 0.0% 0.0% 26 0 0.0% Q4 2025 Feb 17, 2026
Bank of New York Mellon Corp History Added to 26,099 160 0.0% 0.0% 27 +858 3.4% Q1 2026 May 05, 2026
CHARLES SCHWAB INVESTMENT MANAGEMENT INC History Reduced 24,929 153 0.0% 0.0% 28 -371 -1.47% Q1 2026 May 15, 2026
BRIDGEWAY CAPITAL MANAGEMENT, LLC History No change 25,000 153 0.0% 0.0% 29 0 0.0% Q1 2026 May 15, 2026
Man Group plc History New 23,699 145 0.0% 30 +23,699 New Q1 2026 May 15, 2026
ACADIAN ASSET MANAGEMENT LLC History New 23,484 142 0.0% 31 +23,484 New Q1 2026 May 13, 2026
Miller Financial Services LLC History Added to 22,143 136 0.15% 0.11% 32 +8,500 62.3% Q1 2026 May 01, 2026
Ikarian Capital, LLC History No change 20,807 127 0.01% 0.01% 33 0 0.0% Q1 2026 May 15, 2026
TWIN FOCUS CAPITAL PARTNERS, LLC History No change 19,500 119 0.01% 0.02% 34 0 0.0% Q1 2026 May 14, 2026
ALLIANCEBERNSTEIN L.P. History No change 12,765 92 0.0% 0.0% 35 0 0.0% Q1 2026 May 15, 2026
MORGAN STANLEY History Reduced 14,805 91 0.0% 0.0% 36 -8,489 -36.44% Q1 2026 May 15, 2026
AMERIPRISE FINANCIAL INC History Reduced 13,416 82 0.0% 0.0% 37 -6,390 -32.26% Q1 2026 May 15, 2026
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO History Reduced 13,000 79 0.0% 0.0% 38 -2,500 -16.13% Q1 2026 May 14, 2026
SEI INVESTMENTS CO History New 12,764 78 0.0% 39 +12,764 New Q1 2026 May 13, 2026
RHUMBLINE ADVISERS History Added to 12,360 76 0.0% 0.0% 40 +221 1.82% Q1 2026 May 12, 2026
WEDBUSH SECURITIES INC History New 11,500 71 0.0% 41 +11,500 New Q1 2026 Apr 21, 2026
BNP PARIBAS FINANCIAL MARKETS History Added to 9,950 61 0.0% 0.0% 42 +7,536 312.18% Q1 2026 May 12, 2026
DEUTSCHE BANK AG\ History Added to 8,116 49 0.0% 0.0% 43 +4 0.05% Q1 2026 May 06, 2026
AlphaQuest LLC History No change 6,924 49 0.0% 0.0% 44 0 0.0% Q4 2025 Feb 09, 2026
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. History Added to 5,253 32 0.0% 0.0% 45 +133 2.6% Q1 2026 May 15, 2026
CWM, LLC History Added to 4,636 28 0.0% 0.0% 46 +4,445 2327.23% Q1 2026 May 14, 2026
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC History Added to 4,533 27 0.0% 0.0% 47 +4,017 778.49% Q1 2026 May 13, 2026
JPMORGAN CHASE & CO History Reduced 4,413 25 0.0% 0.0% 48 -1,476 -25.06% Q1 2026 May 13, 2026
WELLS FARGO & COMPANY/MN History Reduced 3,980 24 0.0% 0.0% 49 -7,782 -66.16% Q1 2026 May 11, 2026
NEW YORK STATE COMMON RETIREMENT FUND History No change 3,902 23 0.0% 0.0% 50 0 0.0% Q1 2026 May 06, 2026
Mirae Asset Global Investments Co., Ltd. History New 3,715 22 0.0% 51 +3,715 New Q1 2026 May 04, 2026
Vanguard Global Advisers, LLC History New 3,630 22 0.0% 52 +3,630 New Q1 2026 May 08, 2026
BARCLAYS PLC History Reduced 3,307 20 0.0% 0.0% 53 -14,344 -81.26% Q1 2026 May 14, 2026
Forum Finance Group S.A. History New 3,900 20 0.01% 54 +3,900 New Q1 2026 May 07, 2026
Police & Firemen's Retirement System of New Jersey History No change 2,939 18 0.0% 0.0% 55 0 0.0% Q1 2026 Apr 29, 2026
Strategic Wealth Partners, Ltd. History New 2,029 12 0.0% 56 +2,029 New Q1 2026 May 12, 2026
Tower Research Capital LLC (TRC) History Reduced 1,747 10 0.0% 0.0% 57 -632 -26.57% Q1 2026 May 15, 2026
ALERUS FINANCIAL NA History No change 1,000 6 0.0% 0.0% 58 0 0.0% Q1 2026 May 12, 2026
SIMPLEX TRADING, LLC History New 900 5 0.0% 61 +900 New Q1 2026 May 14, 2026
Legal & General Group Plc History Reduced 915 5 0.0% 0.0% 59 -23 -2.45% Q1 2026 May 08, 2026
Russell Investments Group, Ltd. History No change 849 5 0.0% 0.0% 60 0 0.0% Q1 2026 May 08, 2026
GAMMA Investing LLC History New 812 4 0.0% 63 +812 New Q1 2026 Apr 06, 2026
Ameritas Investment Partners, Inc. History No change 708 4 0.0% 0.0% 62 0 0.0% Q1 2026 May 13, 2026
Essential Partners LLC History New 597 3 0.0% 66 +597 New Q1 2026 May 21, 2026
CITIGROUP INC History Added to 495 3 0.0% 0.0% 64 +257 107.98% Q1 2026 May 11, 2026
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM History Reduced 567 3 0.0% 0.0% 65 -78 -12.09% Q1 2026 May 15, 2026
Sterling Capital Management LLC History Reduced 313 1 0.0% 0.0% 67 -331 -51.4% Q1 2026 Apr 22, 2026
EverSource Wealth Advisors, LLC History Added to 253 1 0.0% 69 +247 4116.67% Q1 2026 May 15, 2026
OSAIC HOLDINGS, INC. History Added to 302 1 0.0% 68 +195 182.24% Q1 2026 May 15, 2026
BANK OF AMERICA CORP /DE/ History Closed out 0 0 0.0% -113,092 -100.0% Q1 2026 May 15, 2026
GSA CAPITAL PARTNERS LLP History Closed out 0 0 0.05% -77,227 -100.0% Q1 2026 May 08, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History Closed out 0 0 0.0% -60,200 -100.0% Q1 2026 May 15, 2026
Walleye Capital LLC History Closed out 0 0 0.0% -43,878 -100.0% Q1 2026 May 13, 2026
Point72 Asset Management, L.P. History Closed out 0 0 0.0% -33,871 -100.0% Q1 2026 May 15, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -19,100 -100.0% Q1 2026 May 12, 2026
Jain Global LLC History Closed out 0 0 0.0% -16,724 -100.0% Q1 2026 May 15, 2026
R Squared Ltd History Closed out 0 0 0.03% -10,308 -100.0% Q1 2026 Apr 29, 2026
ROYAL BANK OF CANADA History Reduced 70 0 0.0% -836 -92.27% Q1 2026 May 15, 2026
AMALGAMATED BANK History Closed out 0 0 0.0% -330 -100.0% Q1 2026 May 08, 2026
JONES FINANCIAL COMPANIES LLLP History Closed out 0 0 0.0% -200 -100.0% Q1 2026 May 15, 2026
Physician Wealth Advisors, Inc. History New 144 0 +144 New Q1 2026 Apr 24, 2026
Allworth Financial LP History New 126 0 +126 New Q1 2026 May 14, 2026
IFP Advisors, Inc History New 62 0 +62 New Q1 2026 Apr 13, 2026
Farther Finance Advisors, LLC History New 57 0 +57 New Q1 2026 Apr 07, 2026
ROTHSCHILD INVESTMENT LLC History New 40 0 +40 New Q1 2026 May 07, 2026
PNC FINANCIAL SERVICES GROUP, INC. History Added to 36 0 +31 620.0% Q1 2026 May 08, 2026
True Wealth Design, LLC History New 28 0 +28 New Q1 2026 Apr 13, 2026
Optiver Holding B.V. History Added to 104 0 +24 30.0% Q1 2026 Jun 02, 2026
MAI Capital Management History New 24 0 +24 New Q1 2026 May 15, 2026
Arax Advisory Partners History New 19 0 +19 New Q1 2026 May 13, 2026
Root Financial Partners, LLC History New 14 0 +14 New Q1 2026 Apr 24, 2026
SJS Investment Consulting Inc. History New 2 0 +2 New Q1 2026 Apr 23, 2026
Caitong International Asset Management Co., Ltd History New 2 0 +2 New Q1 2026 May 11, 2026
Wealth Preservation Advisors, LLC History New 1 0 +1 New Q1 2026 May 15, 2026
Parallel Advisors, LLC History No change 103 0 0 0.0% Q1 2026 Jun 02, 2026
SBI Securities Co., Ltd. History No change 49 0 0 0.0% Q1 2026 Apr 27, 2026
Activest Wealth Management History No change 66 0 0 0.0% Q1 2026 Apr 15, 2026
SageView Advisory Group, LLC History No change 3 0 0 0.0% Q4 2025 Feb 17, 2026