Citadel Advisors (Ken Griffin) — PTEN Trade History
Quarter-by-quarter changes in the PATTERSON-UTI ENERGY INC position · CUSIP 703481101
Currently held · 4.5 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 1,949,857 | 1,317,927 | +208.6% | $17.9M | 0.00% |
| 2026 Q1 | 2026-05-15 | Reduce | 631,930 | -1,692,777 | -72.8% | $6.8M | 0.00% |
| 2025 Q4 | 2026-02-17 | Add | 2,324,707 | 1,646,870 | +243.0% | $14.2M | 0.00% |
| 2025 Q3 | 2025-11-14 | Reduce | 677,837 | -679,927 | -50.1% | $3.5M | 0.00% |
| 2025 Q2 | 2025-08-14 | Reduce | 1,357,764 | -1,332,716 | -49.5% | $8.1M | 0.00% |
| 2025 Q1 | 2025-05-15 | Add | 2,690,480 | 2,350,468 | +691.3% | $22.1M | 0.00% |
| 2024 Q4 | 2025-02-14 | Reduce | 340,012 | -3,795,430 | -91.8% | $2.8M | — |
| 2024 Q3 | 2024-11-14 | Reduce | 4,135,442 | -5,004,468 | -54.8% | $31.6M | 0.01% |
| 2024 Q2 | 2024-08-14 | Reduce | 9,139,910 | -2,799,591 | -23.4% | $94.7M | 0.02% |
| 2024 Q1 | 2024-05-15 | Reduce | 11,939,501 | -925,099 | -7.2% | $142.6M | 0.03% |
| 2023 Q4 | 2024-02-14 | Add | 12,864,600 | 1,924,728 | +17.6% | $138.9M | 0.03% |
| 2023 Q3 | 2023-11-14 | Add | 10,939,872 | 7,392,916 | +208.4% | $151.4M | 0.03% |
| 2023 Q2 | 2023-08-14 | Add | 3,546,956 | 299,641 | +9.2% | $42.5M | 0.01% |
| 2023 Q1 | 2023-05-15 | Add | 3,247,315 | 2,540,576 | +359.5% | $38.0M | 0.01% |
| 2022 Q4 | 2023-02-14 | Reduce | 706,739 | -1,573,190 | -69.0% | $11.9M | 0.00% |
| 2022 Q3 | 2022-11-14 | Add | 2,279,929 | 1,302,917 | +133.4% | $26.6M | 0.01% |
| 2022 Q2 | 2022-08-15 | Add | 977,012 | 557,794 | +133.1% | $15.4M | 0.00% |
| 2022 Q1 | 2022-05-16 | New | 419,218 | 419,218 | — | $6.5M | 0.00% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -1,944,439 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Add | 1,944,439 | 1,407,673 | +262.3% | $16.4M | 0.00% |
| 2021 Q2 | 2021-08-16 | Add | 536,766 | 140,706 | +35.5% | $5.3M | 0.00% |
| 2021 Q1 | 2021-05-21 | Reduce | 396,060 | -726,771 | -64.7% | $2.8M | 0.00% |
| 2020 Q4 | 2021-02-16 | Add | 1,122,831 | 519,624 | +86.1% | $5.9M | 0.00% |
| 2020 Q3 | 2020-11-16 | Add | 603,207 | 1,383 | +0.2% | $1.7M | — |
| 2020 Q2 | 2020-08-14 | Add | 601,824 | 335,262 | +125.8% | $2.1M | 0.00% |
| 2020 Q1 | 2020-05-15 | Add | 266,562 | 149,990 | +128.7% | $626.0K | — |
| 2019 Q4 | 2020-02-14 | New | 116,572 | 116,572 | — | $1.2M | 0.00% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -733,776 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 733,776 | 733,776 | — | $6.3M | 0.00% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -868,211 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 868,211 | 868,211 | — | $12.2M | 0.01% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -2,157,523 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Reduce | 2,157,523 | -3,224,148 | -59.9% | $49.6M | 0.03% |
| 2017 Q3 | 2017-11-09 | Reduce | 5,381,671 | -1,504,621 | -21.8% | $112.7M | 0.09% |
| 2017 Q2 | 2017-08-11 | Add | 6,886,292 | 2,817,721 | +69.3% | $139.0M | 0.12% |
| 2017 Q1 | 2017-05-12 | Add | 4,068,571 | 3,040,924 | +295.9% | $98.7M | 0.09% |
| 2016 Q4 | 2017-02-10 | Reduce | 1,027,647 | -2,134,314 | -67.5% | $27.7M | 0.03% |
| 2015 Q4 | 2017-01-31 | New | 3,161,961 | 3,161,961 | — | $47.7M | 0.05% |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.