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MARTINGALE ASSET MANAGEMENT L P

Position in OGS — ONE Gas, Inc.

CIK 936944 BOSTON, MA

Position in OGS

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$6,271,555
+$2,085,764 QoQ
Shares Held
72,815
+34.4% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
22 quarters on record
Voting authority Sole 45.890269861978986.ToString("F0")% Shared 0.ToString("F0")% None 54.109730138021014.ToString("F0")%

Common Shares in OGS Over Time

Shares Held

Position Value (USD)

Position in Utilities - Regulated Gas

Utilities · as of Mar 31, 2026

MARTINGALE ASSET MANAGEMENT L P holds $28,110,070 across 10 Utilities - Regulated Gas names. OGS ranks #1 (22.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 OGS
ONE Gas, Inc.
This page
72,815 $6,271,555

All Filings in OGS

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22 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,271,555 72,815
2025-12-31 $4,185,791 54,185
2025-09-30 $3,297,252 40,737
2025-06-30 $2,404,219 33,457
2025-03-31 $1,974,410 26,120
2024-12-31 $1,850,360 26,720
2024-09-30 $2,047,293 27,510
2024-06-30 $1,756,832 27,515
2024-03-31 $2,471,821 38,305
2023-12-31 $3,122,470 49,003
2023-09-30 $3,258,321 47,720
2023-06-30 $3,587,410 46,705
2023-03-31 $4,191,741 52,906
2022-12-31 $3,531,580 46,640
2021-12-31 $220,898 2,847
2021-09-30 $782,872 12,354
2021-06-30 $334,058 4,507
2021-03-31 $855,700 11,126
2020-12-31 $861,820 11,226
2020-09-30 $4,108,027 59,528
2020-06-30 $9,471,679 122,929
2020-03-31 $10,220,788 122,229