ONE Gas, Inc. (OGS) Ownership
OGS ownership summary
as of October 18, 2026- Institutions
- 95.6% of shares outstanding
- Insiders
- 1.08% of shares outstanding
- Shares outstanding
- 62.9M
- Float
- 62.2M shares available to trade
- Short interest
- 9.68% 4.6M shares short
- Days to cover
- 7.74 short interest up 29.0% vs prior month
- Institutions 95.56%
- Insiders 1.08%
- Other investors 3.36%
OGS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 14.48% | 9.1M | $687.9M | −15,999 (−0.2%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 5.91% | 3.7M | $281.0M | +126,441 (+3.5%) | June 30, 2026 |
| 3 | American Century Companies Inc | 5.64% | 3.5M | $267.9M | +167,836 (+5.0%) | June 30, 2026 |
| 4 | State Street Corp | 5.20% | 3.3M | $247.1M | +231,913 (+7.6%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.49% | 2.8M | $213.3M | +45,394 (+1.6%) | June 30, 2026 |
| 6 | Geode Capital Management, LLC | 3.11% | 2.0M | $148.0M | +376,808 (+23.8%) | June 30, 2026 |
| 7 | T. Rowe Price Investment Management,Inc. | 2.96% | 1.9M | $140.5M | −3,960 (−0.2%) | June 30, 2026 |
| 8 | Energy Income Partners, LLC | 2.81% | 1.8M | $133.4M | +432,880 (+32.5%) | June 30, 2026 |
| 9 | AllianceBernstein L.P. | 2.36% | 1.5M | $112.3M | −30,946 (−2.0%) | June 30, 2026 |
| 10 | AQR Capital Management LLC | 1.78% | 1.1M | $84.7M | +613,651 (+121.3%) | June 30, 2026 |
| 11 | Earnest Partners LLC | 1.77% | 1.1M | $83.9M | −42,781 (−3.7%) | June 30, 2026 |
| 12 | BTIM Corp | 1.66% | 1.0M | $79.0M | −40,815 (−3.8%) | June 30, 2026 |
| 13 | Dimensional Fund Advisors, Inc. | 1.64% | 1.0M | $77.9M | +18,693 (+1.8%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.63% | 1.0M | $77.3M | +139,084 (+15.7%) | June 30, 2026 |
| 15 | NORGES BANK | 1.40% | 879K | $66.5M | −36,958 (−4.0%) | June 30, 2026 |
| 16 | Northern Trust Corp | 1.34% | 845K | $63.9M | +116,423 (+16.0%) | June 30, 2026 |
| 17 | The Goldman Sachs Group Inc | 1.28% | 807K | $61.0M | −137,569 (−14.6%) | June 30, 2026 |
| 18 | Qube Research & Technologies | 1.26% | 794K | $60.0M | −72,176 (−8.3%) | June 30, 2026 |
| 19 | Charles Schwab Investment Management Inc | 1.22% | 766K | $57.9M | +10,913 (+1.4%) | June 30, 2026 |
| 20 | Bank of New York Mellon Corp | 1.16% | 731K | $55.2M | −33,269 (−4.4%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 11 holders added 2.3M shares and 9 cut 414K.
OGS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 2.2M | $169.1M | −804 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 2.0M | $150.9M | −2,525 (−0.1%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.67% | 1.7M | $126.7M | −3,904 (−0.2%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.25% | 1.4M | $107.0M | −30,648 (−2.1%) | September 30, 2026 |
| 5 | First Trust North Amer Engy InfrasETF | 1.97% | 1.2M | $93.8M | — | September 30, 2026 |
| 6 | American Century Mid Cap Value Inv | 1.79% | 1.1M | $85.0M | +97,810 (+9.5%) | September 30, 2026 |
| 7 | T. Rowe Price Small-Cap Value | 1.56% | 979K | $74.0M | — | September 30, 2026 |
| 8 | Vanguard MStar Small Cap Value Index | 1.47% | 921K | $69.6M | +3,712 (+0.4%) | September 30, 2026 |
| 9 | American Century Equity Income Inv | 1.30% | 817K | $61.8M | −91,728 (−10.1%) | September 30, 2026 |
| 10 | Franklin Utilities A1 | 1.11% | 700K | $52.9M | — | September 30, 2026 |
| 11 | Fidelity Small Cap Index | 1.11% | 698K | $52.7M | +5,307 (+0.8%) | July 31, 2026 |
| 12 | iShares Russell 2000 Value ETF | 0.96% | 601K | $45.5M | +912 (+0.2%) | September 30, 2026 |
| 13 | DNP Select Income | 0.92% | 576K | $43.5M | — | June 30, 2026 |
| 14 | State Street® SPDR® S&P® Dividend ETF | 0.87% | 549K | $41.5M | — | September 30, 2026 |
| 15 | Harbor Small Cap Value Instl | 0.81% | 509K | $38.5M | +81,627 (+19.1%) | September 30, 2026 |
| 16 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.74% | 465K | $35.1M | +5,760 (+1.3%) | September 30, 2026 |
| 17 | First Trust Value Line® Dividend ETF | 0.69% | 436K | $33.0M | — | September 30, 2026 |
| 18 | Vanguard Utilities ETF | 0.69% | 431K | $32.6M | −1,036 (−0.2%) | September 30, 2026 |
| 19 | Vanguard Russell 2000 ETF | 0.59% | 371K | $28.0M | +4,173 (+1.1%) | September 30, 2026 |
| 20 | AB Discovery Value Advisor | 0.54% | 340K | $25.7M | −6,825 (−2.0%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
OGS insider transactions
latest 1| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-02-24 | Brian F Brumfield | Sell | $86.44 | 1,000 | $86,440 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
OGS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns OGS
Institutional investors own 95.6% of ONE Gas's shares and insiders 1.08%. The largest holder is BlackRock Inc with 14.48% of the shares (9.1M), as of June 30, 2026. Among the top 20 institutions, 11 added shares and 9 reduced their stake in the latest filings. Short interest is 9.68% of the float, or 7.74 days of average trading volume. The share count rose 14.2% since 2014.
Related: OGS analyst forecast, OGS key metrics, OGS dividend history. See the OGS stock overview for the latest quote and news.
OGS ownership FAQ
Who owns the most ONE Gas stock?
The largest shareholders of ONE Gas are BlackRock Inc (14.48%), Vanguard Portfolio Management, LLC (5.91%), American Century Companies Inc (5.64%), State Street Corp (5.20%), Vanguard Capital Management, LLC (4.49%).
What percentage of ONE Gas is owned by institutions?
Institutions hold 95.6% of ONE Gas's shares outstanding; insiders hold 1.08%.
Which funds own ONE Gas?
The largest fund holders of ONE Gas are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.17%), iShares Russell 2000 ETF (2.67%), Vanguard Small Cap Index (2.25%), First Trust North Amer Engy InfrasETF (1.97%).
What is ONE Gas's short interest?
4.6M shares of ONE Gas were sold short, 9.68% of the float; at the average daily volume it would take 7.74 days to cover.
Are insiders buying or selling ONE Gas?
Of the latest 1 reported insider transactions in ONE Gas (since February 24, 2026), 0 were purchases and 1 were sales.
How many shares of ONE Gas are outstanding?
ONE Gas has 62.9M shares outstanding, of which 62.2M are in the public float.