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
55,551,599
Total reported value
$4,496,254,922
% of total 13F portfolios
0%
Share change
-1,630,866
Value change
-$122,091,478
Number of holders
388
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% $562,185,093 7,661,285 BlackRock, Inc. 31 Mar 2025
VANGUARD GROUP INC 11% $523,991,540 6,573,724 The Vanguard Group 30 Jun 2025
AMERICAN CENTURY INVESTMENT MANAGEMENT INC 6.6% $291,495,593 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, 388 institutional investors reported holding 55,551,599 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 1,318,338 $101,863,353 +$10,048,176 $77.25 48
2025 Q3 55,551,599 $4,496,254,922 -$122,091,478 $80.94 388
2025 Q2 57,289,875 $4,116,628,620 +$182,972,270 $71.86 387
2025 Q1 54,572,208 $4,125,578,149 +$19,957,649 $75.59 379
2024 Q4 54,356,296 $3,764,152,056 +$63,790,527 $69.25 351
2024 Q3 53,370,410 $3,969,823,669 +$100,615,581 $74.42 332
2024 Q2 52,601,296 $3,358,269,308 +$68,619,382 $63.85 330
2024 Q1 51,599,872 $3,328,926,200 -$11,959,995 $64.53 338
2023 Q4 133,291 $8,493,303 +$1,243,049 $63.72 3
2023 Q3 49,293,105 $3,364,704,861 -$77,973,872 $68.28 343
2023 Q2 52,115,025 $4,002,160,722 +$63,817,886 $76.81 331
2023 Q1 49,977,122 $3,959,103,713 +$324,303,180 $79.23 318
2022 Q4 46,591,183 $3,528,121,041 +$186,418,259 $75.72 322
2022 Q3 44,323,948 $3,120,559,500 -$161,526,622 $70.39 300
2022 Q2 44,534,869 $3,613,913,480 +$82,300,241 $81.19 319
2022 Q1 44,347,201 $3,911,842,267 +$37,126,711 $88.24 305
2021 Q4 44,214,119 $3,430,056,354 +$97,079,447 $77.59 292
2021 Q3 42,556,297 $2,696,974,842 +$591,976 $63.37 282
2021 Q2 42,600,496 $3,157,719,274 +$22,797,908 $74.12 285
2021 Q1 41,353,394 $3,180,106,835 -$60,770,698 $76.91 294
2020 Q4 43,158,856 $3,312,936,877 +$60,044,542 $76.77 299
2020 Q3 42,354,844 $2,922,861,433 +$4,966,122 $69.01 307
2020 Q2 42,309,703 $3,259,163,786 +$29,539,045 $77.05 310
2020 Q1 41,859,867 $3,499,788,521 +$40,861,071 $83.62 297
2019 Q4 41,662,130 $3,898,279,550 +$106,460,053 $93.57 322
2019 Q3 40,466,709 $3,888,993,377 +$23,036,952 $96.11 319
2019 Q2 40,192,972 $3,629,271,706 +$58,973,058 $90.30 316
2019 Q1 40,278,493 $3,585,293,067 +$30,029,686 $89.03 317
2018 Q4 39,903,881 $3,175,820,815 +$24,842,213 $79.60 308
2018 Q3 39,676,273 $3,261,420,405 +$38,441,492 $82.28 299
2018 Q2 39,120,258 $2,923,853,516 +$28,009,717 $74.74 290
2018 Q1 39,134,075 $2,583,652,223 +$19,488,244 $66.02 292
2017 Q4 38,793,169 $2,841,803,074 +$35,584,328 $73.26 296
2017 Q3 38,087,818 $2,805,630,554 -$19,936,745 $73.64 261
2017 Q2 38,339,491 $2,676,671,877 +$13,111,712 $69.81 274
2017 Q1 38,201,518 $2,582,236,006 +$368,175,336 $67.60 271
2016 Q4 37,860,349 $2,421,406,848 +$23,595,986 $63.96 281
2016 Q3 37,879,897 $2,341,025,033 +$20,590,448 $61.84 276
2016 Q2 37,257,567 $2,480,674,447 -$18,182,130 $66.59 274
2016 Q1 37,112,128 $2,267,419,693 -$60,044,379 $61.10 272
2015 Q4 39,048,787 $1,958,660,537 -$9,584,183 $50.17 252
2015 Q3 39,132,380 $1,773,788,576 +$7,979,595 $45.33 242
2015 Q2 38,356,599 $1,632,523,633 +$7,924,275 $42.56 234
2015 Q1 38,989,556 $1,685,819,652 +$46,212,284 $43.23 236
2014 Q4 38,007,425 $1,567,264,277 -$29,326,986 $41.22 238
2014 Q3 37,870,877 $1,297,111,462 -$1,061,152 $34.25 213
2014 Q2 37,751,482 $1,425,020,880 +$84,323,915 $37.75 236
2014 Q1 35,535,896 $1,276,815,103 +$1,272,592,374 $35.93 248