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HENNESSY ADVISORS INC

Position in WMB — Williams Companies, Inc.

CIK 1145255 NOVATO, CA

Position in WMB

as of Mar 31, 2026 · filed Apr 21, 2026
Position Value
$32,771,523
+$3,159,414 QoQ
Shares Held
450,282
-8.6% QoQ
Ownership
0.037%
of shares outstanding
% of Portfolio
1.20%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2022
17 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in WMB Over Time

Shares Held

Position Value (USD)

Position in Oil & Gas Midstream

Energy · as of Mar 31, 2026

HENNESSY ADVISORS INC holds $263,327,996 across 14 Oil & Gas Midstream names. WMB ranks #3 (12.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 WMB
Williams Companies, Inc.
This page
450,282 $32,771,523

All Filings in WMB

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17 filing rows on record
Report Date Value (USD) Shares
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