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HENNESSY ADVISORS INC

Position in OGS — ONE Gas, Inc.

CIK 1145255 NOVATO, CA

Position in OGS

as of Jun 30, 2026 · filed Jul 16, 2026
Position Value
$6,410,297
-$142,042 QoQ
Shares Held
83,175
+9.3% QoQ
Ownership
0.132%
of shares outstanding
% of Portfolio
0.21%
of 13F equity value
Holder Rank
#75
of 426 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in OGS Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Gas

Utilities · as of Jun 30, 2026

HENNESSY ADVISORS INC holds $93,173,964 across 13 Utilities - Regulated Gas names. OGS ranks #5 (6.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 OGS
ONE Gas, Inc.
This page
83,175 $6,410,297

All Filings in OGS

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $6,410,297 83,175
2026-03-31 $6,552,339 76,075
2025-12-31 $5,876,793 76,075
2025-09-30 $6,384,142 78,875
2025-06-30 $6,515,905 90,675
2025-03-31 $6,695,384 88,575
2024-12-31 $6,078,418 87,775
2024-09-30 $6,353,607 85,375
2024-06-30 $5,661,898 88,675
2024-03-31 $5,625,402 87,175
2023-12-31 $5,701,347 89,475
2023-09-30 $6,273,225 91,875
2023-06-30 $7,087,642 92,275
2023-03-31 $7,612,022 96,075
2022-12-31 $7,274,799 96,075
2022-09-30 $7,417,346 105,375
2022-06-30 $8,555,396 105,375
2022-03-31 $9,933,618 112,575
2021-12-31 $8,835,561 113,875
2021-09-30 $8,451,973 133,375
2021-06-30 $10,219,295 137,875
2021-03-31 $10,911,606 141,875
2020-12-31 $11,022,252 143,575
2020-09-30 $11,909,400 172,575
2020-06-30 $14,783,968 191,875
2020-03-31 $16,546,307 197,875