ONE GAS INC (OGS) Institutional Shareholders
ONE GAS INC (OGS) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $4.45B in OGS holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of OGS tracked by InsiderSet, reporting ownership valued at approximately $701.27M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $693.71M, representing an estimated loss of -1.08% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed OGS value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, American Century Companies Inc, and several other long-term asset managers with concentrated positions in ONE GAS INC (OGS).
This page ranks the largest institutional OGS shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
419
Total Reported Value
$4.45B
Largest Holder
Blackrock, Inc.
Largest Position
$701.27M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
41
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 9,099,077 | $701,265,900 | $693,713,630 | -$7,552,270 | -1.08% | |
| Vanguard Portfolio Management Llc | 0.01% | 3,716,434 | $286,425,568 | $283,340,928 | -$3,084,640 | -1.08% | |
| American Century Companies Inc | 0.12% | 3,543,229 | $273,076,826 | $270,135,779 | -$2,941,047 | -1.08% | |
| State Street Corp | 0.01% | 3,268,798 | $251,926,262 | $249,213,160 | -$2,713,102 | -1.08% | |
| Vanguard Capital Management Llc | 0.00% | 2,821,399 | $217,445,221 | $215,103,460 | -$2,341,761 | -1.08% | |
| Geode Capital Management, Llc | 0.01% | 1,957,673 | $150,899,947 | $149,252,990 | -$1,646,957 | -1.09% | |
| T. Rowe Price Investment Management, Inc. | 0.09% | 1,858,002 | $143,197,000 | $141,654,072 | -$1,542,928 | -1.08% | |
| Energy Income Partners, Llc | 2.14% | 1,763,956 | $135,948,088 | $134,484,005 | -$1,464,083 | -1.08% | |
| Alliancebernstein L.P. | 0.04% | 1,484,889 | $127,893,490 | $113,207,937 | -$14,685,553 | -11.48% | |
| Aqr Capital Management Llc | 0.03% | 1,119,752 | $86,299,256 | $85,369,892 | -$929,364 | -1.08% | |
| Earnest Partners Llc | 0.31% | 1,110,347 | $85,574,443 | $84,652,855 | -$921,588 | -1.08% | |
| Boston Trust Walden Corp | 0.61% | 1,045,444 | $80,572,369 | $79,704,651 | -$867,718 | -1.08% | |
| Dimensional Fund Advisors Lp | 0.01% | 1,030,076 | $79,393,507 | $78,532,994 | -$860,513 | -1.08% | |
| Morgan Stanley | 0.00% | 1,022,683 | $78,818,197 | $77,969,352 | -$848,845 | -1.08% | |
| Norges Bank | 0.01% | 879,121 | $67,753,855 | $67,024,185 | -$729,670 | -1.08% | |
| Northern Trust Corp | 0.01% | 845,290 | $65,146,501 | $64,444,910 | -$701,591 | -1.08% | |
| Goldman Sachs Group Inc | 0.01% | 807,222 | $62,212,569 | $61,542,605 | -$669,964 | -1.08% | |
| Qube Research & Technologies Ltd | 0.07% | 794,066 | $61,198,667 | $60,539,592 | -$659,075 | -1.08% | |
| Charles Schwab Investment Management Inc | 0.01% | 766,365 | $59,063,751 | $58,427,668 | -$636,083 | -1.08% | |
| Bank Of New York Mellon Corp | 0.01% | 730,608 | $56,307,927 | $55,701,554 | -$606,373 | -1.08% | |
| Victory Capital Management Inc | 0.03% | 693,785 | $53,470,010 | $52,894,168 | -$575,842 | -1.08% | |
| Wellington Management Group Llp | 0.01% | 650,349 | $50,122,398 | $49,582,608 | -$539,790 | -1.08% | |
| Exoduspoint Capital Management, Lp | 0.45% | 627,285 | $48,344,855 | $47,824,208 | -$520,647 | -1.08% | |
| Duff & Phelps Investment Management Co | 0.42% | 576,000 | $44,392,320 | $43,914,240 | -$478,080 | -1.08% | |
| First Trust Advisors Lp | 0.03% | 572,032 | $44,086,491 | $43,611,720 | -$474,771 | -1.08% | |
| Bank Of America Corp | 0.00% | 571,048 | $44,010,660 | $43,536,700 | -$473,960 | -1.08% | |
| Silvercrest Asset Management Group Llc | 0.25% | 496,116 | $38,235,834 | $37,823,884 | -$411,950 | -1.08% | |
| Cbre Investment Management Listed Real Assets Llc | 0.52% | 483,805 | $37,286,852 | $36,885,293 | -$401,559 | -1.08% | |
| Jpmorgan Chase & Co | 0.00% | 465,930 | $36,879,058 | $35,522,503 | -$1,356,555 | -3.68% | |
| Vanguard Fiduciary Trust Co | 0.01% | 416,335 | $32,086,938 | $31,741,380 | -$345,558 | -1.08% | |
| Proshare Advisors Llc | 0.05% | 405,848 | $31,278,705 | $30,941,852 | -$336,853 | -1.08% | |
| Nuveen, Llc | 0.01% | 398,960 | $30,747,774 | $30,416,710 | -$331,064 | -1.08% | |
| Point72 Asset Management, L.P. | 0.05% | 393,090 | $30,295,446 | $29,969,182 | -$326,264 | -1.08% | |
| Rockefeller Capital Management L.P. | 0.05% | 392,527 | $30,252,117 | $29,926,258 | -$325,859 | -1.08% | |
| Massachusetts Financial Services Co | 0.01% | 369,339 | $28,464,957 | $28,158,405 | -$306,552 | -1.08% | |
| Invesco Ltd. | 0.00% | 299,800 | $23,105,586 | $22,856,752 | -$248,834 | -1.08% | |
| Legal & General Group Plc | 0.00% | 299,768 | $23,103,120 | $22,854,312 | -$248,808 | -1.08% | |
| Fmr Llc | 0.00% | 291,441 | $22,461,342 | $22,219,462 | -$241,880 | -1.08% | |
| D. E. Shaw & Co., Inc. | 0.01% | 280,660 | $21,630,466 | $21,397,518 | -$232,948 | -1.08% | |
| Rhumbline Advisers | 0.01% | 217,173 | $16,737,495 | $16,557,270 | -$180,225 | -1.08% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 189,893 | $16,355,485 | $14,477,442 | -$1,878,043 | -11.48% | |
| Gabelli Funds Llc | 0.09% | 190,800 | $14,704,956 | $14,546,592 | -$158,364 | -1.08% | |
| Federated Hermes, Inc. | 0.02% | 186,454 | $14,370,010 | $14,215,253 | -$154,757 | -1.08% | |
| Wells Fargo & Company/Mn | 0.00% | 182,606 | $14,073,486 | $13,921,881 | -$151,605 | -1.08% | |
| Retirement Systems Of Alabama | 0.04% | 174,265 | $13,430,604 | $13,285,964 | -$144,640 | -1.08% | |
| Cerity Partners Llc | 0.02% | 165,659 | $12,767,347 | $12,629,842 | -$137,505 | -1.08% | |
| Squarepoint Ops Llc | 0.02% | 163,212 | $12,578,749 | $12,443,283 | -$135,466 | -1.08% | |
| Freestone Grove Partners Lp | 0.08% | 161,501 | $12,446,882 | $12,312,836 | -$134,046 | -1.08% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.02% | 160,764 | $12,390,081 | $12,256,647 | -$133,434 | -1.08% |
| Tidal Investments Llc | 0.03% | 160,107 | $12,339,446 | $12,206,558 | -$132,888 | -1.08% |
Frequently asked questions about OGS
Who owns the most OGS stock?
The largest holders of OGS are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ONE GAS INC (OGS).
Is OGS widely held by superinvestors?
Many widely followed stocks like OGS appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly OGS is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.