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HENNESSY ADVISORS INC

Position in WMB — Williams Companies, Inc.

CIK 1145255 NOVATO, CA

Position in WMB

as of Jun 30, 2026 · filed Jul 16, 2026
Position Value
$32,807,803
+$36,280 QoQ
Shares Held
441,321
-2.0% QoQ
Ownership
0.036%
of shares outstanding
% of Portfolio
1.06%
of 13F equity value
Holder Rank
#200
of 1,824 holders
Holding Since
Mar 2022
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in WMB Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Jun 30, 2026

HENNESSY ADVISORS INC holds $254,310,116 across 14 Oil & Gas Midstream names. WMB ranks #1 (12.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 WMB
Williams Companies, Inc.
This page
441,321 $32,807,803

All Filings in WMB

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $32,807,803 441,321
2026-03-31 $32,771,523 450,282
2025-12-31 $29,612,109 492,632
2025-09-30 $33,400,147 527,232
2025-06-30 $5,730,281 91,232
2025-03-31 $5,452,024 91,232
2024-12-31 $4,851,966 89,652
2024-09-30 $4,092,613 89,652
2024-06-30 $3,810,210 89,652
2024-03-31 $3,583,369 91,952
2023-12-31 $3,202,688 91,952
2023-09-30 $3,097,862 91,952
2023-06-30 $3,473,528 106,452
2023-03-31 $3,178,656 106,452
2022-12-31 $3,502,270 106,452
2022-09-30 $3,047,720 106,452
2022-06-30 $3,453,448 110,652
2022-03-31 $3,696,883 110,652