DOSSIER · 13F Holders · Q2 2026

ONEOK INC NEW

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

CUSIP 682680953·5 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$27M
visible holders
Holders
5
filers reporting
Concentration
73.76%
Optiver Holding B.V. #1
top holder share
AI Holders Summary · Q2 2026

5 institutions reported ONEOK INC NEW in Q2 2026. Optiver Holding B.V. leads at 73.8% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Optiver Holding B.V.
CIK 0001859606· Market maker
$20M230K0.01%Q2 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$4M44K0.01%Q2 2026
03
JPMORGAN CHASE & CO
CIK 0000019617
$3M35K0.00%Q2 2026
04
HRT FINANCIAL LP
CIK 0001475597
$220K3K0.00%Q4 2025
05
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025