DOSSIER · 13F Holders · Q2 2026

RIGETTI COMPUTING INC

6 institutions still hold RIGETTI COMPUTING INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 76655K953·6 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$107M
visible holders
Holders
6
filers reporting
Concentration
38.05%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q2 2026

6 institutions reported RIGETTI COMPUTING INC in Q2 2026. IMC-Chicago, LLC leads at 38.1% 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
$41M2.1M0.01%Q2 2026
02
SIMPLEX TRADING, LLC
CIK 0001488542
$33M1.7M0.02%Q2 2026
03
GROUP ONE TRADING LLC
CIK 0000932540
$18M910K0.02%Q2 2026
04
Aristides Capital LLC
CIK 0001595521
$13M676K2.54%Q2 2026
05
NATIONAL BANK OF CANADA /FI/
CIK 0000926171
$2M1K0.00%Q2 2026
06
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025