Latest Period
Q1 2026
Security Snapshot
PATTERSON UTI ENERGY INC - Common Stock, $0.01 Par Value (PTEN) Institutional Ownership
CUSIP: 703481101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
408
Shares (Excl. Options)
424,091,780
Price
$10.83
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- Security type / class
- Equity / Common Stock, $0.01 Par Value
- Symbol
- PTEN on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 424,091,780
- Total 13F value
- $4,591,901,625
- Portfolio coverage rank
- 0.01%
- Share change
- +542,218
- Value change
- +$61,978,264
- Number of holders
- 408
- Shares outstanding
- 375,758,053
- SEC-reported price per share
- $12.06
- Insider filing price
- $12.06
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- PTEN - PATTERSON UTI ENERGY INC - Common Stock, $0.01 Par Value is tracked under CUSIP 703481101.
- 408 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 369 to 408 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $2,570,812,207 to $4,591,901,625.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 408 institutions filings for Q1 2026.
Security key
703481101
Latest holder period
Q1 2026
13F holders
408
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
PTEN full holder history
PATTERSON UTI ENERGY INC SEC filings
PATTERSON UTI ENERGY INC company facts
PATTERSON UTI ENERGY INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 703481101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
PTEN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 14% | $330,526,385 | 55,550,653 | BlackRock, Inc. | 31 Mar 2025 | |||
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.2% | $294,500,147 | 27,192,996 | Vanguard Portfolio Management | 31 Mar 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 5.6% | $229,721,368 | 21,211,576 | Dimensional Fund Advisors LP | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.1% | $208,575,176 | 19,259,019 | Vanguard Capital Management | 31 Mar 2026 | |||
| BEP Diamond Topco L.P. | 1.9% | -77% | $75,392,096 | -$220,937,608 | 7,139,403 | -75% | BEP Diamond Aggregator L.P. | 31 Mar 2026 |
| Pacer Advisors, Inc. | 1.2% | -75% | $27,166,468 | -$104,308,093 | 4,565,793 | -79% | Joe M. Thomson | 31 Mar 2025 |
As of 31 Mar 2026, 408 institutional investors reported holding 424,091,780 shares of PATTERSON UTI ENERGY INC - Common Stock, $0.01 Par Value (PTEN). This represents 113% of the company’s total 375,758,053 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
81%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 16% | 60,883,449 | +4.4% | 0.01% | $659,367,748 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 7.2% | 27,059,558 | 0% | 0.02% | $293,055,013 |
| DIMENSIONAL FUND ADVISORS LP | 5.6% | 21,211,576 | +15% | 0.05% | $229,732,069 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.4% | 16,620,808 | 0% | 0% | $180,003,351 |
| AMERICAN CENTURY COMPANIES INC | 4.4% | 16,406,052 | +4.3% | 0.09% | $177,677,548 |
| Sourcerock Group LLC | 4.3% | 16,309,517 | +4.6% | 7.4% | $176,632,069 |
| GOLDMAN SACHS GROUP INC | 4.1% | 15,235,534 | +44% | 0.02% | $165,000,836 |
| STATE STREET CORP | 4% | 14,985,593 | -1.8% | 0.01% | $162,293,972 |
| Invesco Ltd. | 3.6% | 13,374,238 | +125% | 0.02% | $144,842,997 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 3.3% | 12,253,350 | -25% | 0.45% | $132,703,785 |
| PRINCIPAL FINANCIAL GROUP INC | 2.5% | 9,450,347 | +11% | 0.05% | $102,347,259 |
| VAN ECK ASSOCIATES CORP | 2.4% | 8,906,993 | +36% | 0.07% | $96,463,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.3% | 8,821,800 | +2.2% | 0.01% | $95,558,052 |
| Blackstone Inc. | 1.9% | 7,139,404 | -75% | 0.32% | $77,319,745 |
| MORGAN STANLEY | 1.8% | 6,899,740 | +12% | 0% | $74,724,199 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.8% | 6,697,154 | -12% | 0.12% | $72,532,000 |
| MILLENNIUM MANAGEMENT LLC | 1.4% | 5,296,308 | -13% | 0.04% | $57,359,016 |
| Fisher Asset Management, LLC | 1.4% | 5,160,838 | +18% | 0.02% | $55,891,874 |
| Thrivent Financial for Lutherans | 1.3% | 4,993,835 | +2006% | 0.1% | $54,084,000 |
| VICTORY CAPITAL MANAGEMENT INC | 1.3% | 4,864,652 | +103% | 0.03% | $52,684,181 |
| BANK OF AMERICA CORP /DE/ | 1.3% | 4,855,166 | +11% | 0% | $52,581,450 |
| Monaco Asset Management SAM | 1.2% | 4,609,355 | -31% | 16% | $49,919,315 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.2% | 4,418,612 | +8.6% | 0.01% | $47,853,568 |
| Webs Creek Capital Management LP | 1.2% | 4,379,658 | 8.2% | $47,431,696 | |
| RENAISSANCE TECHNOLOGIES LLC | 1.1% | 4,128,099 | -28% | 0.07% | $44,707,312 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 424,091,780 | $4,591,901,625 | +$61,978,264 | $10.83 | 408 |
| 2025 Q4 | 420,515,178 | $2,570,812,207 | +$77,917,203 | $6.11 | 369 |
| 2025 Q3 | 405,292,825 | $2,100,613,045 | -$73,266,381 | $5.18 | 364 |
| 2025 Q2 | 418,842,130 | $2,485,333,144 | +$91,661,845 | $5.93 | 357 |
| 2025 Q1 | 394,876,648 | $3,245,495,819 | -$61,500,742 | $8.22 | 377 |
| 2024 Q4 | 403,578,726 | $3,333,852,631 | +$113,153,131 | $8.26 | 361 |
| 2024 Q3 | 387,297,139 | $2,964,101,848 | -$163,388,540 | $7.65 | 359 |
| 2024 Q2 | 398,274,359 | $4,125,639,933 | +$80,631,509 | $10.36 | 357 |
| 2024 Q1 | 389,690,346 | $4,652,605,333 | -$21,784,141 | $11.94 | 367 |
| 2023 Q4 | 394,278,673 | $4,258,219,927 | -$71,193,281 | $10.80 | 354 |
| 2023 Q3 | 395,751,096 | $5,477,163,380 | +$2,511,909,858 | $13.84 | 353 |
| 2023 Q2 | 214,556,504 | $2,568,278,238 | +$40,976,123 | $11.97 | 278 |
| 2023 Q1 | 211,965,990 | $2,479,930,470 | -$17,020,620 | $11.70 | 278 |
| 2022 Q4 | 213,138,279 | $3,589,220,009 | +$31,453,478 | $16.84 | 299 |
| 2022 Q3 | 211,769,364 | $2,473,580,543 | -$82,443,732 | $11.68 | 266 |
| 2022 Q2 | 214,042,301 | $3,372,915,410 | +$139,957,320 | $15.76 | 257 |
| 2022 Q1 | 207,917,376 | $3,218,452,016 | +$96,244,756 | $15.48 | 263 |
| 2021 Q4 | 204,213,782 | $1,725,554,017 | +$128,884,392 | $8.45 | 220 |
| 2021 Q3 | 182,320,259 | $1,640,747,115 | -$18,607,572 | $9.00 | 205 |
| 2021 Q2 | 184,453,557 | $1,833,417,456 | +$27,331,373 | $9.94 | 204 |
| 2021 Q1 | 181,646,569 | $1,294,853,425 | -$9,185,779 | $7.13 | 198 |
| 2020 Q4 | 185,057,034 | $973,537,797 | +$1,365,018 | $5.26 | 212 |
| 2020 Q3 | 179,988,194 | $512,794,790 | -$61,351,161 | $2.85 | 208 |
| 2020 Q2 | 199,803,484 | $693,004,568 | +$320,071 | $3.47 | 221 |
| 2020 Q1 | 202,022,258 | $474,219,667 | -$78,028,702 | $2.35 | 237 |