DOSSIER · 13F Holders · Q2 2026

WILLIAMS COS INC

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

CUSIP 969457900·9 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$658M
visible holders
Holders
9
filers reporting
Concentration
84.74%
1832 Asset Management L.P. #1
top holder share
AI Holders Summary · Q2 2026

9 institutions reported WILLIAMS COS INC in Q2 2026. 1832 Asset Management L.P. leads at 84.7% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
1832 Asset Management L.P.
CIK 0000944388
$558M7.5M0.28%Q2 2026
02
IMC-Chicago, LLC
CIK 0001452861· Market maker
$34M463K0.01%Q2 2026
03
Optiver Holding B.V.
CIK 0001859606· Market maker
$23M311K0.01%Q2 2026
04
SIMPLEX TRADING, LLC
CIK 0001488542
$15M201K0.01%Q2 2026
05
GROUP ONE TRADING LLC
CIK 0000932540
$14M183K0.02%Q2 2026
06
JPMORGAN CHASE & CO
CIK 0000019617
$9M125K0.00%Q2 2026
07
SG Americas Securities, LLC
CIK 0001313360
$3M170K0.00%Q1 2026
08
CIBC Bancorp USA Inc.
CIK 0001711924
$2M28K0.00%Q2 2026
09
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00Q2 2025