13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
CSAN

Cosan SA

73 institutions still hold Cosan SA as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 22113b103·73 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 1.4%
vs prior quarter
13F value held
$65M
77.0% inst. owned
of float
Holders
73
-21 QoQ
filers reporting
Activity
+63 / −49
+1,011 added · −753 reduced
this quarter
Concentration
24.31%
RENAISSANCE TECHNOLOGIES LLC #1
top holder share
AI Holders Summary · Q1 2026

73 institutions reported CSAN in Q1 2026. RENAISSANCE TECHNOLOGIES LLC leads at 24.3% of the visible book. -21 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$16M3.8M0.02%Q1 202602
Monaco Asset Management SAM
CIK 0001803593
$14M3.3M2.53%Q1 202603
Aquamarine Financial (Cayman) Ltd
CIK 0002104187
$9M2.1M0.63%Q1 202604
MORGAN STANLEY
CIK 0000895421
$6M1.3M0.00%Q1 202605
UBS Group AG
CIK 0001610520
$4M863K0.00%Q1 202606
MARSHALL WACE, LLP
CIK 0001318757
$3M869K0.00%Q4 202507
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$2M597K0.00%Q1 202608
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M502K0.00%Q1 202609
Massar Capital Management, LP
CIK 0002037238
$1M300K0.13%Q1 202610
Naman Capital Ltda
CIK 0001946136
$1M272K0.31%Q1 202611
BTG Pactual Asset Management US LLC
CIK 0001569579
$1M248K0.09%Q1 202612
XTX Topco Ltd
CIK 0001828301
$977,857237K0.02%Q1 202613
Patriot Financial Group Insurance Agency, LLC
CIK 0001694883
$727,922177K0.04%Q1 202614
BAROMETER CAPITAL MANAGEMENT INC.
CIK 0001536890
$706,992172K0.24%Q1 202615
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$706,341171K0.00%Q1 202616
LPL Financial LLC
CIK 0001403438
$699,815170K0.00%Q1 202617
HRT FINANCIAL LP
CIK 0001475597
$686,000174K0.00%Q4 202518
MATAURO, LLC
CIK 0002052964
$684,896166K0.10%Q1 202619
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$455,157110K0.00%Q1 202620
Marex Group plc
CIK 0001997464
$412,004100K0.00%Q1 2026
Page 1 of 4
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