DOSSIER · 13F Holders · Q2 2026

SEA LTD

8 institutions still hold SEA LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 81141R950·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$110M
visible holders
Holders
8
filers reporting
Concentration
50.04%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported SEA LTD in Q2 2026. IMC-Chicago, LLC leads at 50.0% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$55M575K0.01%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$15M156K0.02%Q2 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$14M155K0.00%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$13M138K0.01%Q2 2026
05
HRT FINANCIAL LP
CIK 0001475597
$8M63K0.03%Q4 2025
06
Capital Markets Trading UK LLP
CIK 0001719165
$4M42K0.04%Q1 2026
07
SG Americas Securities, LLC
CIK 0001313360
$918K13K0.00%Q1 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025