Latest Period
Q1 2026
Security Snapshot
ONE Gas, Inc. - Common Stock (OGS) Institutional Ownership
CUSIP: 68235P108
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
424
Shares (Excl. Options)
56,254,417
Price
$86.13
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- Security type / class
- Equity / Common Stock
- Symbol
- OGS on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 56,254,417
- Total 13F value
- $4,831,420,306
- Portfolio coverage rank
- 0%
- Share change
- -1,614,650
- Value change
- -$125,753,247
- Number of holders
- 424
- Shares outstanding
- 62,031,714
- SEC-reported price per share
- $84.78
- Insider filing price
- $84.78
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- OGS - ONE Gas, Inc. - Common Stock is tracked under CUSIP 68235P108.
- 424 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 403 to 424 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $4,446,145,869 to $4,831,420,306.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 424 institutions filings for Q1 2026.
Security key
68235P108
Latest holder period
Q1 2026
13F holders
424
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
OGS full holder history
ONE Gas, Inc. SEC filings
ONE Gas, Inc. company facts
ONE Gas, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 68235P108:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
OGS
| 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 PORTFOLIO MANAGEMENT LLC | 5.8% | $311,190,102 | 3,613,028 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC | 5.4% | -17% | $290,722,599 | -$51,421,246 | 3,375,393 | -15% | American Century Investment Management, Inc. | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $280,731,519 | 3,259,393 | Vanguard Capital Management | 31 Mar 2026 | |||
| STATE STREET CORP | 5% | -2% | $229,722,062 | -$4,261,194 | 2,983,016 | -1.8% | STATE STREET CORPORATION | 31 Dec 2025 |
| WELLINGTON MANAGEMENT GROUP LLP | 4.2% | $224,397,245 | 2,605,332 | Wellington Management Group LLP | 31 Mar 2026 |
As of 31 Mar 2026, 424 institutional investors reported holding 56,254,417 shares of ONE Gas, Inc. - Common Stock (OGS). This represents 91% of the company’s total 62,031,714 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
69%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 15% | 9,115,076 | +3.9% | 0.01% | $785,081,496 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 5.8% | 3,589,993 | 0% | 0.02% | $309,206,097 |
| AMERICAN CENTURY COMPANIES INC | 5.4% | 3,375,393 | -3.6% | 0.15% | $290,722,725 |
| STATE STREET CORP | 4.9% | 3,036,885 | +1.8% | 0.01% | $261,566,905 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 2,776,005 | 0% | 0.01% | $239,097,311 |
| WELLINGTON MANAGEMENT GROUP LLP | 4.2% | 2,605,303 | -19% | 0.04% | $224,394,748 |
| T. Rowe Price Investment Management, Inc. | 3% | 1,861,962 | -1.2% | 0.11% | $160,371,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 1,580,865 | +6% | 0.01% | $136,182,488 |
| ALLIANCEBERNSTEIN L.P. | 2.4% | 1,515,835 | -11% | 0.04% | $117,098,254 |
| Energy Income Partners, LLC | 2.1% | 1,331,076 | +1.1% | 1.8% | $114,645,576 |
| EARNEST PARTNERS LLC | 1.9% | 1,153,128 | -2.9% | 0.41% | $99,318,915 |
| Boston Trust Walden Corp | 1.8% | 1,086,259 | -1.6% | 0.77% | $93,559,487 |
| DIMENSIONAL FUND ADVISORS LP | 1.6% | 1,011,383 | +0.2% | 0.02% | $87,111,014 |
| GOLDMAN SACHS GROUP INC | 1.5% | 944,791 | -32% | 0.01% | $81,374,843 |
| MORGAN STANLEY | 1.4% | 883,599 | -11% | 0% | $76,104,447 |
| Qube Research & Technologies Ltd | 1.4% | 866,242 | +114% | 0.11% | $74,609,423 |
| Bank of New York Mellon Corp | 1.2% | 763,877 | +2.2% | 0.01% | $65,792,694 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 755,452 | -0.29% | 0.01% | $65,067,081 |
| NORTHERN TRUST CORP | 1.2% | 728,867 | +2.4% | 0.01% | $62,777,315 |
| FRANKLIN RESOURCES INC | 1.2% | 720,187 | +0.27% | 0.02% | $62,029,707 |
| Nuveen, LLC | 1.1% | 705,333 | -9.2% | 0.02% | $60,750,331 |
| VICTORY CAPITAL MANAGEMENT INC | 1% | 644,166 | +2.7% | 0.04% | $55,482,018 |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 0.93% | 576,000 | 0% | 0.52% | $49,610,880 |
| FIRST TRUST ADVISORS LP | 0.89% | 552,351 | -7.6% | 0.03% | $47,573,984 |
| SILVERCREST ASSET MANAGEMENT GROUP LLC | 0.85% | 529,160 | -11% | 0.33% | $45,576,854 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 56,254,417 | $4,831,420,306 | -$125,753,247 | $86.13 | 424 |
| 2025 Q4 | 57,554,166 | $4,446,145,869 | +$155,802,485 | $77.25 | 403 |
| 2025 Q3 | 55,548,456 | $4,496,000,566 | -$117,350,489 | $80.94 | 389 |
| 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 |