TULSA, OK
ONE GAS, INC.OGS— Latest position per institution from SEC 13F filings
15
Institutional holders
53.36M
Total shares held
4.09B
Estimated value
2.67M
Avg. position size
BLACKROCK, INC.
CIK 2012383
Shares
9.12M
Value
785.08M
Filed
Mar 31, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
8.26M
Value
527.69M
Filed
Jun 30, 2024
VANGUARD GROUP INC
CIK 102909
Shares
6.49M
Value
501.28M
Filed
Dec 31, 2025
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
3.59M
Value
309.21M
Filed
Mar 31, 2026
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
3.38M
Value
290.72M
Filed
Mar 31, 2026
STATE STREET CORP
CIK 93751
Shares
3.04M
Value
261.57M
Filed
Mar 31, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
2.78M
Value
239.10M
Filed
Mar 31, 2026
WELLINGTON MANAGEMENT GROUP LLP
CIK 902219
Shares
2.61M
Value
224.39M
Filed
Mar 31, 2026
T. ROWE PRICE INVESTMENT MANAGEMENT, INC.
CIK 1897612
Shares
1.86M
Value
160.37K
Filed
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
1.58M
Value
136.18M
Filed
Mar 31, 2026
ALLIANCEBERNSTEIN L.P.
CIK 1109448
Shares
1.52M
Value
117.10M
Filed
Mar 31, 2026
ENERGY INCOME PARTNERS, LLC
CIK 1388814
Shares
1.33M
Value
114.65M
Filed
Mar 31, 2026
EARNEST PARTNERS LLC
CIK 1102578
Shares
1.15M
Value
99.32M
Filed
Mar 31, 2026
BOSTON TRUST WALDEN CORP
CIK 1534866
Shares
1.09M
Value
93.56M
Filed
Mar 31, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
1.01M
Value
87.11M
Filed
Mar 31, 2026
EATON VANCE MANAGEMENT
CIK 1076598
Shares
953.11K
Value
67.09K
Filed
Sep 30, 2022
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
944.79K
Value
81.37M
Filed
Mar 31, 2026
NORGES BANK
CIK 1374170
Shares
916.08K
Value
70.77M
Filed
Dec 31, 2025
MORGAN STANLEY
CIK 895421
Shares
883.60K
Value
76.10M
Filed
Mar 31, 2026
QUBE RESEARCH & TECHNOLOGIES LTD
CIK 1729829
Shares
866.24K
Value
74.61M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BLACKROCK, INC. | 2012383 | 9.12M | 785.08M | Mar 31, 2026 |
| 2 | BLACKROCK FINANCE, INC. | 1364742 | 8.26M | 527.69M | Jun 30, 2024 |
| 3 | VANGUARD GROUP INC | 102909 | 6.49M | 501.28M | Dec 31, 2025 |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 3.59M | 309.21M | Mar 31, 2026 |
| 5 | AMERICAN CENTURY COMPANIES INC | 748054 | 3.38M | 290.72M | Mar 31, 2026 |
| 6 | STATE STREET CORP | 93751 | 3.04M | 261.57M | Mar 31, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 2.78M | 239.10M | Mar 31, 2026 |
| 8 | WELLINGTON MANAGEMENT GROUP LLP | 902219 | 2.61M | 224.39M | Mar 31, 2026 |
| 9 | T. ROWE PRICE INVESTMENT MANAGEMENT, INC. | 1897612 | 1.86M | 160.37K | Mar 31, 2026 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 1.58M | 136.18M | Mar 31, 2026 |
| 11 | ALLIANCEBERNSTEIN L.P. | 1109448 | 1.52M | 117.10M | Mar 31, 2026 |
| 12 | ENERGY INCOME PARTNERS, LLC | 1388814 | 1.33M | 114.65M | Mar 31, 2026 |
| 13 | EARNEST PARTNERS LLC | 1102578 | 1.15M | 99.32M | Mar 31, 2026 |
| 14 | BOSTON TRUST WALDEN CORP | 1534866 | 1.09M | 93.56M | Mar 31, 2026 |
| 15 | DIMENSIONAL FUND ADVISORS LP | 354204 | 1.01M | 87.11M | Mar 31, 2026 |
| 16 | EATON VANCE MANAGEMENT | 1076598 | 953.11K | 67.09K | Sep 30, 2022 |
| 17 | GOLDMAN SACHS GROUP INC | 886982 | 944.79K | 81.37M | Mar 31, 2026 |
| 18 | NORGES BANK | 1374170 | 916.08K | 70.77M | Dec 31, 2025 |
| 19 | MORGAN STANLEY | 895421 | 883.60K | 76.10M | Mar 31, 2026 |
| 20 | QUBE RESEARCH & TECHNOLOGIES LTD | 1729829 | 866.24K | 74.61M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.