# ONE GAS INC COM

ONE GAS INC COM is a security (CUSIP 68235P108) tracked across SEC portfolio filings. 435 institutional managers reported $4.5B on Form 13F as of 2026-06-30; 48 registered fund positions totaling $679.2M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ONE GAS INC
- Class: COM
- CUSIP: 68235P108
- Asset category: EC
- 13F holders: 435
- 13F value: $4.5B
- 13F period: 2026-06-30
- N-PORT fund positions: 48
- N-PORT value: $679.2M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 435 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $785.1M | 9,115,076 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $501.3M | 6,489,014 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $290.7M | 3,375,393 |
| STATE STREET CORP | BOSTON, MA | $261.6M | 3,036,885 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $224.4M | 2,605,303 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $136.2M | 1,580,865 |
| [ALLIANCEBERNSTEIN L.P.](https://search.stillhousedata.com/firm/108477) | NASHVILLE, TN | $117.1M | 1,515,835 |
| [Energy Income Partners, LLC](https://search.stillhousedata.com/firm/140799) | Westport, CT | $114.6M | 1,331,076 |
| [EARNEST PARTNERS LLC](https://search.stillhousedata.com/firm/107926) | ATLANTA, GA | $99.3M | 1,153,128 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $87.1M | 1,011,383 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $81.4M | 944,791 |
| Boston Trust Walden Corp | BOSTON, MA | $80.6M | 1,045,444 |
| MORGAN STANLEY | NEW YORK, NY | $76.1M | 883,599 |
| [Qube Research & Technologies Ltd](https://search.stillhousedata.com/firm/304552) | LONDON, X0 | $74.6M | 866,242 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $65.1M | 755,452 |

## Top fund holders (N-PORT)

_Showing 15 of 48 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $155.8M | 64.33% |
| [T. Rowe Price Small-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002121) | T. ROWE PRICE SMALL-CAP VALUE FUND, INC. | $87.2M | 94.60% |
| [VANGUARD EXPLORER FUND](https://search.stillhousedata.com/fund/S000002578) | VANGUARD EXPLORER FUND | $75.1M | 34.48% |
| [Franklin Utilities Fund](https://search.stillhousedata.com/fund/S000006758) | Franklin Custodian Funds | $60.3M | 77.82% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $57.7M | 7.08% |
| DNP Select Income Fund Inc | DNP Select Income Fund Inc | $51.4M | 131.00% |
| [The Gabelli Utilities Fund](https://search.stillhousedata.com/fund/S000001075) | Gabelli Utilities Fund | $25.5M | 143.92% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $23.9M | 13.65% |
| [MFS New Discovery Value Fund](https://search.stillhousedata.com/fund/S000032712) | MFS SERIES TRUST XIII | $19.9M | 79.85% |
| [Heartland Value Plus Fund](https://search.stillhousedata.com/fund/S000003524) | HEARTLAND GROUP INC. | $12.9M | 439.89% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $9.1M | 12.17% |
| NYLI CBRE Global Infrastructure Megatrends Term Fund | NYLI CBRE Global Infrastructure Megatrends Term Fund | $8.5M | 97.24% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $8.4M | 17.37% |
| [AB Small Cap Value Portfolio](https://search.stillhousedata.com/fund/S000045542) | AB CAP FUND, INC. | $7.5M | 125.61% |
| [Boston Trust SMID Cap Fund](https://search.stillhousedata.com/fund/S000034664) | Boston Trust Walden Funds | $7.0M | 100.08% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/68235p108.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.