13F Insight
DOSSIER · 13F Holders · Q2 2026
RNAC

CARTESIAN THERAPEUTICS INC

96 institutions still hold CARTESIAN THERAPEUTICS INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 816212302·96 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$75M
visible holders
Holders
96
filers reporting
Concentration
31.42%
Squarepoint Ops LLC #1
top holder share
AI Holders Summary · Q2 2026

96 institutions reported RNAC in Q2 2026. Squarepoint Ops LLC leads at 31.4% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Squarepoint Ops LLC
CIK 0001642575
$23M2.3M0.03%Q2 202602
BlackRock, Inc.
CIK 0002012383
$9M819K0.00%Q2 202603
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$6M556K0.00%Q2 202604
FMR LLC
CIK 0000315066
$4M368K0.00%Q2 202605
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$4M357K0.00%Q2 202606
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$4M356K0.00%Q2 202607
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$3M310K0.00%Q2 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$3M296K0.00%Q2 202609
STATE STREET CORP
CIK 0000093751
$3M249K0.00%Q2 202610
MARSHALL WACE, LLP
CIK 0001318757
$2M233K0.00%Q2 202611
UBS Group AG
CIK 0001610520
$2M209K0.00%Q2 202612
Jupiter Topco LLC
CIK 0002146052
$2M201K0.00%Q2 202613
683 Capital Management, LLC
CIK 0001404574
$2M280K0.09%Q4 202514
Privium Fund Management B.V.
CIK 0001795097
$2M152K0.29%Q2 202615
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$2M150K0.00%Q2 202616
NORTHERN TRUST CORP
CIK 0000073124· Index
$1M106K0.00%Q2 202617
ADAR1 Capital Management, LLC
CIK 0001940272
$1M99K0.05%Q2 202618
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$957K92K0.00%Q2 202619
Vanguard Portfolio Management
CIK 0002100121· Index
$910K87K0.00%Q2 202620
DIADEMA PARTNERS LP
CIK 0002026172
$907K87K0.11%Q2 2026
Page 1 of 5
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Insiders at CARTESIAN THERAPEUTICS INC
Kalayoglu Murat →Davis Blaine →Miljkovic Milos →Brunn Carsten →Bot Adrian Ion →Barabe Timothy C →English Emily →Singer Michael →