ONE Gas, Inc.
Total Trades
6
Buys
0
Sells
6
Largest Trade
$100K–$500K
Insiders
3
Institutional Funds
335
Inst. Value
$1M+
Activist Filings
18
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Brumfield Brian F. | See Remarks | SELL | $50K–$100K | 1K | $86.44 | Feb 25, 2026 |
| Hutchinson Michael G | Director | SELL | $100K–$500K | 3K | $78.86 | Dec 5, 2025 |
| Hutchinson Michael G | Director | SELL | $50K–$100K | 1K | $74.03 | Mar 20, 2025 |
| Hutchinson Michael G | Director | SELL | $50K–$100K | 1K | $76.95 | Dec 13, 2022 |
| RODRIGUEZ EDUARDO A | Director | SELL | $50K–$100K | 800 | $76.58 | Sep 28, 2022 |
| Hutchinson Michael G | Director | SELL | $50K–$100K | 750 | $86.12 | Mar 14, 2022 |
Institutional Ownership
13F filings as of Dec 31, 2025 · 335 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| AMERICAN CENTURY COMPANIES INC | 3.5M | $1M+ | SH |
| STATE STREET CORP | 3.0M | $1M+ | SH |
| ALLIANCEBERNSTEIN L.P. | 1.7M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2M | $1M+ | SH |
| EARNEST PARTNERS LLC | 1.2M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 931K | $1M+ | SH |
| NORGES BANK | 916K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 758K | $1M+ | SH |
| Boston Trust Walden Corp | 683K | $1M+ | SH |
| VICTORY CAPITAL MANAGEMENT INC | 627K | $1M+ | SH |
| DUFF & PHELPS INVESTMENT MANAGEMENT CO | 576K | $1M+ | SH |
| ProShare Advisors LLC | 491K | $1M+ | SH |
| Squarepoint Ops LLC | 443K | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 409K | $1M+ | SH |
| Point72 Asset Management, L.P. | 230K | $1M+ | SH |
| RHUMBLINE ADVISERS | 201K | $1M+ | SH |
| GABELLI FUNDS LLC | 191K | $1M+ | SH |
| Aberdeen Group plc | 187K | $1M+ | SH |
| Retirement Systems of Alabama | 181K | $1M+ | SH |
| SIR Capital Management, L.P. | 163K | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G · Feb 9, 2026
5.0%
3.0M shares
SC 13G · Nov 10, 2025
5.1%
3.0M shares
SC 13G · Aug 11, 2025
4.8%
3.0M shares
SC 13G/A · Jul 29, 2025
10.5%
6.6M shares
American Century Capital Portfolios, Inc.
SC 13G/A · May 15, 2025
4.4%
2.6M shares
SC 13G/A · Apr 24, 2025
12.8%
7.7M shares
Wellington Management Group LLP
SC 13G · Nov 8, 2024
6.1%
3.5M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
11.6%
6.4M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Jan 25, 2024
5.8%
0 shares
SC 13G/A · Jan 23, 2024
14.5%
8.0M shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G/A · Aug 9, 2023
5.7%
0 shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2023
0.1%
64K shares
STATE STREET CORPORATION I.R.S. IDENTIFICATION NO. OF THE ABOVE PERSON 04-2456637
SC 13G · Feb 10, 2023
11.6%
0 shares
SC 13G/A · Jan 23, 2023
12.6%
6.8M shares
T. ROWE PRICE ASSOCIATES, INC. 52-0556948
SC 13G/A · Feb 14, 2022
5.8%
3.2M shares
SC 13G/A · Jan 27, 2022
12.2%
6.5M shares
SC 13G/A · Jan 26, 2022
12.2%
6.5M shares