ONE Gas, Inc. - COMMON STOCK (OGS) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / COMMON STOCK
Symbol
OGS on NYSE
Shares outstanding
59,575,471
Price per share
$77.25
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
55,549,903
Total reported value
$4,496,118,068
% of total 13F portfolios
0%
Share change
-1,630,753
Value change
-$122,082,347
Number of holders
387
Price from insider filings
$77.25
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ONE Gas, Inc. - COMMON STOCK (OGS) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 13% $596,354,424 7,661,285 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 11% $472,387,807 6,573,724 The Vanguard Group 30 Jun 2025
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 6.6% $309,212,550 3,972,412 American Century Investment Management, Inc. 31 Mar 2025
STATE STREET CORP 5.1% +6% $245,923,968 +$3,497,013 3,038,349 +1.4% STATE STREET CORPORATION 30 Sep 2025

As of 30 Sep 2025, 387 institutional investors reported holding 55,549,903 shares of ONE Gas, Inc. - COMMON STOCK (OGS). This represents 93% of the company’s total 59,575,471 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of ONE Gas, Inc. - COMMON STOCK (OGS) together control 74% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 14% 8,370,691 -1.9% 0.01% $677,523,744
VANGUARD GROUP INC 11% 6,542,615 -0.47% 0.01% $529,559,258
WELLINGTON MANAGEMENT GROUP LLP 7% 4,191,095 -3.3% 0.06% $339,227,230
AMERICAN CENTURY COMPANIES INC 6.4% 3,816,387 +5.6% 0.16% $308,898,707
STATE STREET CORP 5.1% 3,038,349 +1.4% 0.01% $245,923,968
T. Rowe Price Investment Management, Inc. 3.4% 2,049,869 +0.76% 0.1% $165,917,000
ALLIANCEBERNSTEIN L.P. 2.9% 1,707,792 +6.9% 0.04% $138,228,684
GEODE CAPITAL MANAGEMENT, LLC 2.5% 1,489,259 +0.7% 0.01% $120,557,681
EARNEST PARTNERS LLC 2.1% 1,257,312 -5.1% 0.44% $101,766,833
Boston Trust Walden Corp 1.8% 1,048,225 -2.1% 0.62% $84,843,331
GOLDMAN SACHS GROUP INC 1.7% 1,017,772 +48% 0.01% $82,378,464
DIMENSIONAL FUND ADVISORS LP 1.7% 1,007,888 -0.59% 0.02% $81,577,999
Energy Income Partners, LLC 1.4% 846,247 +22% 1.3% $68,495,232
Bank of New York Mellon Corp 1.3% 787,827 -3.3% 0.01% $63,766,725
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.3% 777,150 -0.85% 0.01% $62,902,521
MORGAN STANLEY 1.3% 773,859 -23% 0% $62,636,255
NORTHERN TRUST CORP 1.3% 755,909 +0.23% 0.01% $61,183,274
FRANKLIN RESOURCES INC 1.2% 720,381 +0.35% 0.01% $58,307,639
SILVERCREST ASSET MANAGEMENT GROUP LLC 1.1% 656,838 -3.8% 0.35% $53,164,755
FIRST TRUST ADVISORS LP 1.1% 631,994 -1.8% 0.04% $51,153,587
VICTORY CAPITAL MANAGEMENT INC 1% 624,316 +1.2% 0.03% $50,532,137
DUFF & PHELPS INVESTMENT MANAGEMENT CO 0.97% 576,000 0% 0.53% $46,621,440
Squarepoint Ops LLC 0.96% 574,408 +4.3% 0.1% $46,492,584
ProShare Advisors LLC 0.96% 573,810 +11% 0.1% $46,444,182
BANK OF AMERICA CORP /DE/ 0.82% 490,380 +42% 0% $39,691,382

Institutional Holders of ONE Gas, Inc. - COMMON STOCK (OGS) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 857,244 $66,218,661 +$11,150,560 $77.25 33
2025 Q3 55,549,903 $4,496,118,068 -$122,082,347 $80.94 387
2025 Q2 57,289,867 $4,116,627,620 +$182,972,270 $71.86 386
2025 Q1 54,572,208 $4,125,578,305 +$19,957,643 $75.59 379
2024 Q4 54,360,565 $3,764,436,367 +$18,759,686 $69.25 355
2024 Q3 54,021,421 $4,018,271,807 +$142,508,652 $74.42 334
2024 Q2 52,594,877 $3,357,859,300 +$25,284,213 $63.85 331
2024 Q1 52,267,095 $3,371,984,045 -$16,288,612 $64.53 340
2023 Q4 52,526,192 $3,347,014,091 +$61,507,692 $63.72 333
2023 Q3 51,641,507 $3,525,053,588 -$65,021,997 $68.28 348
2023 Q2 52,545,486 $4,035,224,186 +$92,689,655 $76.81 335
2023 Q1 51,314,562 $4,065,069,790 +$336,507,814 $79.23 323
2022 Q4 47,124,667 $3,568,515,788 +$191,200,837 $75.72 326
2022 Q3 45,687,399 $3,216,930,649 -$132,497,187 $70.39 308
2022 Q2 45,483,495 $3,692,518,323 +$94,266,115 $81.19 325
2022 Q1 44,568,955 $3,931,411,507 +$38,707,526 $88.24 309
2021 Q4 44,221,330 $3,430,616,306 +$97,099,472 $77.59 295
2021 Q3 42,929,081 $2,720,595,374 -$161,911 $63.37 282
2021 Q2 42,828,550 $3,174,622,097 +$15,851,426 $74.12 286
2021 Q1 42,635,150 $3,279,206,987 -$56,315,205 $76.91 296
2020 Q4 43,166,874 $3,313,552,005 +$59,796,208 $76.77 303
2020 Q3 42,433,930 $2,928,540,234 +$4,180,073 $69.01 310
2020 Q2 42,336,124 $3,261,199,445 +$27,732,736 $77.05 313
2020 Q1 42,019,031 $3,513,097,453 +$27,085,657 $83.62 307
2019 Q4 41,662,476 $3,898,311,925 +$106,460,829 $93.57 324
2019 Q3 40,473,629 $3,889,658,377 +$23,487,841 $96.11 320
2019 Q2 40,228,703 $3,632,499,706 +$26,583,886 $90.30 318
2019 Q1 40,321,345 $3,589,109,067 +$29,489,181 $89.03 319
2018 Q4 40,019,840 $3,185,051,815 +$25,419,668 $79.60 311
2018 Q3 39,731,375 $3,265,944,405 +$39,881,698 $82.28 302
2018 Q2 39,155,459 $2,926,483,516 +$2,464,731 $74.74 294
2018 Q1 39,136,767 $2,583,831,223 +$20,455,464 $66.02 297
2017 Q4 38,951,002 $2,853,366,074 +$36,126,677 $73.26 302
2017 Q3 38,374,376 $2,826,727,554 -$21,810,830 $73.64 265
2017 Q2 38,658,953 $2,698,972,877 +$15,803,386 $69.81 278
2017 Q1 38,469,543 $2,600,355,006 +$365,974,948 $67.60 273
2016 Q4 38,254,070 $2,446,588,848 +$26,761,636 $63.96 285
2016 Q3 37,885,644 $2,341,380,033 +$20,106,450 $61.84 278
2016 Q2 37,563,187 $2,501,026,447 -$23,641,892 $66.59 277
2016 Q1 37,863,456 $2,313,325,693 -$61,559,426 $61.10 275
2015 Q4 39,161,658 $1,964,321,537 -$10,518,492 $50.17 254
2015 Q3 39,277,824 $1,780,380,576 +$6,125,005 $45.33 243
2015 Q2 39,170,575 $1,667,078,633 +$8,371,772 $42.56 236
2015 Q1 38,989,556 $1,685,819,652 +$42,816,108 $43.23 235
2014 Q4 38,025,314 $1,568,000,277 -$29,423,194 $41.22 238
2014 Q3 37,870,877 $1,297,111,462 -$1,414,619 $34.25 213
2014 Q2 37,760,782 $1,425,371,880 +$83,993,158 $37.75 237
2014 Q1 35,652,006 $1,280,988,103 +$1,278,139,460 $35.93 252