DOSSIER · 13F Holders · Q1 2026

CIRCLE INTERNET GROUP INC

9 institutions still hold CIRCLE INTERNET GROUP INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 172573907·9 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$632M
visible holders
Holders
9
filers reporting
Concentration
58.61%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q1 2026

9 institutions reported CIRCLE INTERNET GROUP INC in Q1 2026. IMC-Chicago, LLC leads at 58.6% 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
$370M3.9M0.13%Q1 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$126M1.3M0.24%Q1 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$66M689K0.02%Q1 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$59M618K0.04%Q1 2026
05
Yong Rong (HK) Asset Management Ltd
CIK 0001738071
$8M3K3.59%Q1 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$2M18K0.00%Q1 2026
07
CenterStar Asset Management, LLC
CIK 0001722053
$477K5K0.06%Q1 2026
08
Marathon Trading Investment Management LLC
CIK 0001572748
$468K5K0.01%Q1 2026
09
OSAIC HOLDINGS, INC.
CIK 0001677044
$4K30.00%Q1 2026