DOSSIER · 13F Holders · Q3 2026

IONQ INC

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

CUSIP 46222L908·8 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$154M
visible holders
Holders
8
filers reporting
Concentration
47.44%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

8 institutions reported IONQ INC in Q3 2026. IMC-Chicago, LLC leads at 47.4% 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
$73M1.7M0.02%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$35M802K0.05%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$35M795K0.02%Q3 2026
04
HRT FINANCIAL LP
CIK 0001475597
$11M247K0.02%Q3 2026
05
Oak Harvest Investment Services
CIK 0001839430
$255K5000.02%Q3 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$4K1000.00%Q3 2026
07
OSAIC HOLDINGS, INC.
CIK 0001677044
$2K20.00%Q3 2026
08
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025