DOSSIER · 13F Holders · Q3 2026

CIRCLE INTERNET GROUP INC

7 institutions still hold CIRCLE INTERNET GROUP INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 172573957·7 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$426M
visible holders
Holders
7
filers reporting
Concentration
58.67%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

7 institutions reported CIRCLE INTERNET GROUP INC in Q3 2026. IMC-Chicago, LLC leads at 58.7% 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
$250M3.0M0.05%Q3 2026
02
Optiver Holding B.V.
CIK 0001859606· Market maker
$61M978K0.02%Q2 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$53M641K0.03%Q3 2026
04
JPMORGAN CHASE & CO
CIK 0000019617
$35M418K0.00%Q3 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$27M333K0.04%Q3 2026
06
Alpine Global Management, LLC
CIK 0001581655
$38K100.01%Q2 2026
07
SG Americas Securities, LLC
CIK 0001313360
$6K621K0.00%Q1 2026