PATTERSON-UTI ENERGY INC PTEN
COM · Common Stock · CUSIP 703481101
- SectorEnergy
- IndustryDrilling Oil & Gas Wells
- HeadquartersHouston, TX
- Founded1978
- Websitepatenergy.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($21.2m this quarter). Holder counts are more reliable. Shares outstanding: 381.4m as of 2026-07-29, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $9.18. Options: 13 managers hold calls ($20.6m notional), 11 hold puts ($19.7m).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 285 |
| Q4 2022 | 307 |
| Q1 2023 | 287 |
| Q2 2023 | 286 |
| Q3 2023 | 359 |
| Q4 2023 | 360 |
| Q1 2024 | 369 |
| Q2 2024 | 359 |
| Q3 2024 | 368 |
| Q4 2024 | 366 |
| Q1 2025 | 382 |
| Q2 2025 | 362 |
| Q3 2025 | 369 |
| Q4 2025 | 373 |
| Q1 2026 | 414 |
| Q2 2026 | 437 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 202 | 164 |
| Q4 2024 | 185 | 175 |
| Q1 2025 | 198 | 165 |
| Q2 2025 | 167 | 195 |
| Q3 2025 | 178 | 174 |
| Q4 2025 | 179 | 184 |
| Q1 2026 | 220 | 168 |
| Q2 2026 | 254 | 168 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $9.2m | $22.9m | 2.50 |
| Q4 2025 | $31.5m | $11.7m | 0.37 |
| Q1 2026 | $16.8m | $11.8m | 0.71 |
| Q2 2026 | $20.6m | $19.7m | 0.95 |
Biggest buyers
| Encompass Capital Advisors LLC | New | +5.9m |
| FRANKLIN RESOURCES INC | Added | +5.0m |
| COOPER CREEK PARTNERS MANAGEMENT LLC | New | +3.9m |
| RENAISSANCE TECHNOLOGIES LLC | Added | +3.8m |
| DEPRINCE RACE & ZOLLO INC | New | +2.8m |
| BlackRock, Inc. | Added | +2.0m |
| Penn Capital Management Company, LLC | New | +2.0m |
| ACADIAN ASSET MANAGEMENT LLC | Added | +1.7m |
| Qube Research & Technologies Ltd | New | +1.7m |
| DIMENSIONAL FUND ADVISORS LP | Added | +1.6m |
Biggest sellers
| Blackstone Inc. | Reduced | -5.0m |
| Monaco Asset Management SAM | Reduced | -4.5m |
| MILLENNIUM MANAGEMENT LLC | Reduced | -4.4m |
| Merewether Investment Management, LP | Sold out | -3.0m |
| Holocene Advisors, LP | Sold out | -2.9m |
| SCHRODER INVESTMENT MANAGEMENT GROUP | Sold out | -2.7m |
| Driehaus Capital Management LLC | Sold out | -2.6m |
| Squarepoint Ops LLC | Reduced | -2.2m |
| Fisher Asset Management, LLC | Reduced | -2.0m |
| ARGA Investment Management, LP | Reduced | -1.9m |
Biggest calls
| CITIGROUP INC | New | $7.6m832.0k shares |
| JANE STREET GROUP, LLC | Added | $3.4m368.9k shares |
| CITADEL ADVISORS LLC | Added | $3.4m368.3k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.0m221.4k shares |
| IMC-Chicago, LLC | Added | $1.4m156.6k shares |
| GROUP ONE TRADING LLC | Added | $806.9k87.9k shares |
| KLCM Advisors, Inc. | Unchanged | $688.5k75.0k shares |
| SIMPLEX TRADING, LLC | Reduced | $479.2k52.2k shares |
| PEAK6 LLC | Unchanged | $423.2k46.1k shares |
| CAPITAL FUND MANAGEMENT S.A. | New | $235.9k25.7k shares |
Biggest puts
| CITIGROUP INC | New | $9.4m1.0m shares |
| JANE STREET GROUP, LLC | Added | $5.9m640.5k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $866.6k94.4k shares |
| IMC-Chicago, LLC | Added | $783.1k85.3k shares |
| PEAK6 LLC | Unchanged | $661.0k72.0k shares |
| Walleye Trading LLC | Added | $619.6k67.5k shares |
| GROUP ONE TRADING LLC | Reduced | $479.2k52.2k shares |
| CITADEL ADVISORS LLC | Added | $470.9k51.3k shares |
| SIMPLEX TRADING, LLC | Reduced | $392.0k42.7k shares |
| Squarepoint Ops LLC | New | $101.0k11.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-30 | 14.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.2% |
| DIMENSIONAL FUND ADVISORS LP 13G · institution new · filed 2026-04-09 | 5.6% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.1% |
Fell to 5% or below in the last year: BEP Diamond Topco L.P. (1.9%, 2026-05-01), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 1 | $588.8k | — |
| Q1 2025 | 1 | $197.0k | 2 | $3.8m | — |
| Q2 2025 | 0 | — | 1 | $443.4k | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $4.2m | — |
| Q1 2026 | 0 | — | 2 | $5.1m | — |
| Q2 2026 | 0 | — | 5 | $11.9m | — |
| Q3 2026 | 0 | — | 4 | $12.7m | $3.0m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-18 | Hendricks William Andrew JR President & CEO, director | Sold plan | $3.0m250.0k shares |
| 2026-09-02 | Hendricks William Andrew JR President & CEO, director | Sold | $3.2m250.0k shares |
| 2026-09-02 | Drummond Robert Wayne Jr Director | Sold | $2.5m198.4k shares |
| 2026-09-01 | Wexler Seth David EVP, General Counsel&Secretary | Sold | $1.5m120.0k shares |
| 2026-09-01 | Drummond Robert Wayne Jr Director | Sold | $20.6k1.6k shares |
| 2026-08-25 | STEWART JAMES CARL Director · By JCS Partners LP | Sold | $2.4m207.0k shares |
| 2026-06-08 | Robinson Forrest C Chief Accounting Officer | Sold | $164.2k13.7k shares |
| 2026-06-05 | Hendricks William Andrew JR President & CEO, director | Sold | $2.3m200.0k shares |
| 2026-05-28 | Holcomb James Michael EVP & Chief Operating Officer | Sold | $1.7m150.0k shares |
| 2026-05-05 | Jaime Cesar Director | Sold | $122.9k10.0k shares |
| 2026-05-04 | Drummond Robert Wayne Jr Director | Sold | $738.9k61.5k shares |
| 2026-05-01 | Drummond Robert Wayne Jr Director | Sold | $3.9m322.7k shares |
| 2026-05-01 | Hendricks William Andrew JR President & CEO, director | Sold | $3.0m250.0k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 62.9m $577.2m | Added +2.0m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.01% of their portfolio | 27.2m $249.7m | Added +144.5k |
| DIMENSIONAL FUND ADVISORS LP 0.04% of their portfolio | 22.8m $209.1m | Added +1.6m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 16.7m $153.1m | Added +59.2k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 16.3m $150.0m | Added +1.1m |
| AMERICAN CENTURY COMPANIES INC 0.07% of their portfolio | 16.2m $149.1m | Reduced -160.0k |
| STATE STREET CORP 0.00% of their portfolio | 15.1m $138.6m | Added +111.5k |
| Sourcerock Group LLC 6.95% of their portfolio | 14.6m $133.6m | Reduced -1.8m |
| Invesco Ltd. 0.01% of their portfolio | 12.9m $118.7m | Reduced -441.8k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.30% of their portfolio | 11.8m $108.5m | Reduced -432.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 10.4m $95.4m | Added +1.6m |
| PRINCIPAL FINANCIAL GROUP INC 0.04% of their portfolio | 9.0m $82.8m | Reduced -428.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.10% of their portfolio | 8.0m $73.0m | Added +3.8m |
| VAN ECK ASSOCIATES CORP 0.04% of their portfolio | 7.1m $65.5m | Reduced -1.8m |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.10% of their portfolio | 7.1m $65.0m | Added +382.1k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 6.6m $60.9m | Added +5.0m |
| Encompass Capital Advisors LLC 2.34% of their portfolio | 5.9m $54.4m | New |
| Webs Creek Capital Management LP 10.18% of their portfolio | 5.9m $53.7m | Added +1.5m |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 5.7m $52.1m | Added +823.7k |
| MORGAN STANLEY 0.00% of their portfolio | 5.3m $48.5m | Reduced -1.6m |
| VICTORY CAPITAL MANAGEMENT INC 0.03% of their portfolio | 5.0m $45.5m | Added +90.8k |
| Thrivent Financial for Lutherans 0.07% of their portfolio | 4.7m $42.9m | Reduced -324.8k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 4.4m $40.6m | Reduced -480 |
| Bank of New York Mellon Corp 0.01% of their portfolio | 4.2m $38.8m | Added +360.5k |
| UBS Group AG 0.01% of their portfolio | 4.2m $38.7m | Added +1.3m |
| NORTHERN TRUST CORP 0.00% of their portfolio | 4.0m $37.1m | Added +241.8k |
| COOPER CREEK PARTNERS MANAGEMENT LLC 1.50% of their portfolio | 3.9m $35.9m | New |
| Nuveen, LLC 0.01% of their portfolio | 3.8m $34.9m | Added +155.5k |
| Fisher Asset Management, LLC 0.01% of their portfolio | 3.1m $28.7m | Reduced -2.0m |
| CITIGROUP INC 0.01% of their portfolio | 3.0m $27.7m | Added +1.2m |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 2.9m $26.9m | Added +838.8k |
| DEPRINCE RACE & ZOLLO INC 0.43% of their portfolio | 2.8m $25.6m | New |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 2.6m $23.8m | Reduced -988.8k |
| NEUBERGER BERMAN GROUP LLC 0.02% of their portfolio | 2.6m $23.7m | Added +128.5k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 2.5m $23.9m | Added +208.3k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.40% of their portfolio | 2.5m $22.7m | Added +41.0k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 2.3m $21.4m | Added +64.4k |
| Blackstone Inc. 0.06% of their portfolio | 2.1m $19.3m | Reduced -5.0m |
| Allspring Global Investments Holdings, LLC 0.03% of their portfolio | 2.0m $17.3m | Reduced -1.2m |
| Penn Capital Management Company, LLC 1.16% of their portfolio | 2.0m $18.3m | New |
| ARGA Investment Management, LP 0.47% of their portfolio | 2.0m $18.2m | Reduced -1.9m |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 1.9m $17.9m | Added +1.3m |
| ACADIAN ASSET MANAGEMENT LLC 0.02% of their portfolio | 1.8m $16.9m | Added +1.7m |
| Qube Research & Technologies Ltd 0.02% of their portfolio | 1.7m $15.4m | New |
| KAHN BROTHERS GROUP INC 2.41% of their portfolio | 1.7m $15.3m | Reduced -26.4k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 1.6m $15.0m | Reduced -21.9k |
| Freestone Grove Partners LP 0.10% of their portfolio | 1.6m $14.8m | Added +1.2m |
| Empowered Funds, LLC 0.07% of their portfolio | 1.5m $14.2m | Added +23.5k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 1.5m $13.8m | Added +359.8k |
| EDMOND DE ROTHSCHILD HOLDING S.A. 0.18% of their portfolio | 1.5m $13.6m | Reduced -150.0k |
| LSV ASSET MANAGEMENT 0.02% of their portfolio | 1.4m $13.2m | Added +786.9k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.02% of their portfolio | 1.4m $13.0m | Added +466.7k |
| Allianz Asset Management GmbH 0.01% of their portfolio | 1.4m $12.8m | New |
| Jump Financial, LLC 0.10% of their portfolio | 1.2m $11.2m | New |
| BESSEMER GROUP INC 0.02% of their portfolio | 1.2m $11.2m | Added +1.2m |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 1.2m $11.0m | Added +939.6k |
| Cerity Partners LLC 0.01% of their portfolio | 1.2m $10.9m | Reduced -7.0k |
| Public Sector Pension Investment Board 0.03% of their portfolio | 1.2m $10.9m | Reduced -48.9k |
| Squarepoint Ops LLC 0.02% of their portfolio | 1.2m $10.8m | Reduced -2.2m |
| Bridgewater Associates, LP 0.04% of their portfolio | 1.2m $10.6m | Added +1.1m |
| Cambria Investment Management, L.P. 0.50% of their portfolio | 1.1m $10.1m | Added +167.5k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 1.1m $10.0m | Added +491.2k |
| Man Group plc 0.02% of their portfolio | 1.1m $9.8m | Added +19.3k |
| MACKENZIE FINANCIAL CORP 0.01% of their portfolio | 1.0m $9.3m | New |
| Connor, Clark & Lunn Investment Management Ltd. 0.02% of their portfolio | 989.8k $9.1m | Added +926.2k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 965.3k $8.9m | Reduced -1.9k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.16% of their portfolio | 954.0k $8.8m | Added +483.9k |
| Trexquant Investment LP 0.05% of their portfolio | 937.2k $8.6m | Added +178.9k |
| Legal & General Group Plc 0.00% of their portfolio | 911.5k $8.4m | Reduced -36.7k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 903.5k $8.3m | Reduced -124.7k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 895.7k $8.2m | Reduced -4.4m |
| HENNESSY ADVISORS INC 0.24% of their portfolio | 820.8k $7.5m | New |
| Creative Planning 0.00% of their portfolio | 769.1k $7.1m | Added +198.6k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 736.9k $6.8m | Reduced -56.2k |
| XTX Topco Ltd 0.09% of their portfolio | 721.6k $6.6m | Added +659.4k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 691.0k $6.3m | Added +152.3k |
| Swiss National Bank 0.00% of their portfolio | 685.5k $6.3m | Reduced -27.6k |
| NORDEA INVESTMENT MANAGEMENT AB 0.01% of their portfolio | 657.8k $6.2m | Added +11.3k |
| LMR Partners LLP 0.04% of their portfolio | 649.1k $6.0m | Added +344.7k |
| Universal- Beteiligungs- und Servicegesellschaft mbH 0.01% of their portfolio | 638.0k $5.9m | Reduced -63.1k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 623.6k $5.7m | Added +175.6k |
| M&G PLC 0.02% of their portfolio | 552.3k $5.0m | Added +206.2k |
| New Age Alpha Advisors, LLC 0.21% of their portfolio | 539.2k $4.9m | Reduced -165.1k |
| Quantinno Capital Management LP 0.01% of their portfolio | 536.6k $4.9m | Added +32.7k |
| WEDGE CAPITAL MANAGEMENT L L P/NC 0.08% of their portfolio | 507.1k $4.7m | Reduced -3.2k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 505.3k $4.6m | Reduced -85.5k |
| Telemark Asset Management, LLC 0.33% of their portfolio | 500.0k $4.6m | New |
| Neo Ivy Capital Management 1.00% of their portfolio | 473.1k $4.3m | Added +194.3k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 467.9k $4.3m | Added +78.1k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 464.8k $4.3m | Reduced -39.1k |
| Engineers Gate Manager LP 0.05% of their portfolio | 461.8k $4.2m | Added +419.9k |
| Stanley-Laman Group, Ltd. 0.43% of their portfolio | 459.4k $4.2m | Reduced -71.2k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 447.7k $4.8m | Added +42.4k |
| JENNISON ASSOCIATES LLC 0.00% of their portfolio | 438.4k $4.0m | New |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 428.8k $3.9m | Added +257.6k |
| LGT Fund Management Co Ltd. 0.16% of their portfolio | 411.0k $3.8m | New |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 393.6k $3.6m | Reduced -31.7k |
| Kingsview Wealth Management, LLC 0.04% of their portfolio | 390.7k $3.6m | New |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 376.4k $3.5m | Added +66.5k |
| BARCLAYS PLC 0.00% of their portfolio | 361.3k $3.3m | Reduced -1.6m |