CIK: 0001083323 | TULSA, OK
| Quarter | Form Type | Holdings | Value | Filed | SEC |
|---|---|---|---|---|---|
| 13F-HR | 180 | $376.9M | 2026-10-15 | SEC ↗ | |
| 13F-HR | 185 | $389.2M | 2026-07-14 | SEC ↗ | |
| 13F-HR | 184 | $343.3M | 2026-04-20 | SEC ↗ | |
| 13F-HR | 180 | $342.9M | 2026-01-14 | SEC ↗ | |
| 13F-HR | 189 | $338.0M | 2025-10-22 | SEC ↗ | |
| 13F-HR | 187 | $314.3M | 2025-07-07 | SEC ↗ | |
| 13F-HR | 179 | $289.7M | 2025-04-15 | SEC ↗ | |
| 13F-HR | 171 | $312.9M | 2025-01-17 | SEC ↗ | |
| 13F-HR | 171 | $308.2M | 2024-10-15 | SEC ↗ | |
| 13F-HR | 181 | $284.7M | 2024-07-23 | SEC ↗ | |
| 13F-HR | 180 | $281.8M | 2024-04-19 | SEC ↗ | |
| 13F-HR | 194 | $267.1M | 2024-01-23 | SEC ↗ | |
| 13F-HR | 190 | $250.8M | 2023-10-16 | SEC ↗ | |
| 13F-HR | 198 | $270.5M | 2023-07-12 | SEC ↗ | |
| 13F-HR | 187 | $255.6M | 2023-04-14 | SEC ↗ | |
| 13F-HR | 195 | $248.5M | 2023-01-19 | SEC ↗ | |
| 13F-HR | 170 | $198.4M | 2022-10-11 | SEC ↗ | |
| 13F-HR | 178 | $212.3M | 2022-07-28 | SEC ↗ | |
| 13F-HR | 181 | $261.3M | 2022-05-25 | SEC ↗ | |
| 13F-HR | 188 | $295.9M | 2022-01-21 | SEC ↗ | |
| 13F-HR | 191 | $279.6M | 2021-10-08 | SEC ↗ | |
| 13F-HR | 223 | $295.4M | 2021-07-26 | SEC ↗ | |
| 13F-HR | 193 | $278.3M | 2021-05-03 | SEC ↗ | |
| 13F-HR | 190 | $274.4M | 2021-01-22 | SEC ↗ | |
| 13F-HR | 186 | $242.9M | 2020-10-08 | SEC ↗ | |
| 13F-HR | 191 | $192.2M | 2020-04-16 | SEC ↗ | |
| 13F-HR | 201 | $252.6M | 2020-01-24 | SEC ↗ | |
| 13F-HR | 191 | $228.1M | 2019-10-25 | SEC ↗ | |
| 13F-HR | 200 | $223.4M | 2019-07-25 | SEC ↗ | |
| 13F-HR | 203 | $220.0M | 2019-04-10 | SEC ↗ | |
| 13F-HR | 196 | $188.3M | 2019-01-23 | SEC ↗ | |
| 13F-HR | 208 | $217.5M | 2018-10-12 | SEC ↗ | |
| 13F-HR | 201 | $201.3M | 2018-07-16 | SEC ↗ | |
| 13F-HR | 203 | $207.2M | 2018-04-20 | SEC ↗ | |
Q4 2017Amended | 13F-HR/A | 176 | $200.3M | 2018-01-10 | SEC ↗ |
| 13F-HR | 176 | $200.3M | 2017-10-12 | SEC ↗ | |
| 13F-HR | 176 | $195.3M | 2017-07-13 | SEC ↗ | |
| 13F-HR | 181 | $193.1M | 2017-04-07 | SEC ↗ | |
| 13F-HR | 183 | $187.0M | 2017-02-03 | SEC ↗ | |
| 13F-HR | 178 | $181.9M | 2016-10-07 | SEC ↗ | |
| 13F-HR | 171 | $180.0M | 2016-07-14 | SEC ↗ | |
| 13F-HR | 169 | $179.7M | 2016-04-22 | SEC ↗ | |
| 13F-HR | 164 | $179.8M | 2016-01-28 | SEC ↗ | |
| 13F-HR | 172 | $172.9M | 2015-11-10 | SEC ↗ | |
| 13F-HR | 175 | $189.6M | 2015-07-30 | SEC ↗ | |
| 13F-HR | 175 | $203.0M | 2015-05-05 | SEC ↗ | |
| 13F-HR | 177 | $202.7M | 2015-01-27 | SEC ↗ | |
| 13F-HR | 177 | $199.4M | 2014-10-28 | SEC ↗ | |
| 13F-HR | 177 | $207.6M | 2014-07-18 | SEC ↗ | |
| 13F-HR | 154 | $154.2M | 2014-05-07 | SEC ↗ | |
| 13F-HR | 150 | $149.3M | 2014-02-13 | SEC ↗ | |
| 13F-HR | 148 | $134.8M | 2013-11-13 | SEC ↗ | |
| 13F-HR | 144 | $129.0M | 2013-08-15 | SEC ↗ |