DOSSIER · 13F Holders · Q2 2026

CIRCLE INTERNET GROUP INC

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

CUSIP 172573957·8 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$264M
visible holders
Holders
8
filers reporting
Concentration
55.42%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

8 institutions reported CIRCLE INTERNET GROUP INC in Q2 2026. IMC-Chicago, LLC leads at 55.4% 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
$146M2.3M0.04%Q2 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$61M978K0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$31M500K0.02%Q2 2026
04
GROUP ONE TRADING LLC
CIK 0000932540
$17M276K0.02%Q2 2026
05
JPMORGAN CHASE & CO
CIK 0000019617
$8M99K0.00%Q2 2026
06
Marathon Trading Investment Management LLC
CIK 0001572748
$438K7K0.01%Q2 2026
07
Alpine Global Management, LLC
CIK 0001581655
$38K100.01%Q2 2026
08
SG Americas Securities, LLC
CIK 0001313360
$6K621K0.00%Q1 2026