PATTERSON UTI ENERGY INC PTEN
CIK 0000889900 · CUSIP 703481101
Quarter-end disclosures, not live holdings.
Top 20 institutions
Weight means this stock's share of the manager's own portfolio.
| # | Manager | Value | Manager weight | Change vs prior | Source | |
|---|---|---|---|---|---|---|
| 01 | BlackRock, Inc. CIK 2012383 · View history | $324.30M 54,687,933 shares | 0.01% | -4.00M(-6.8%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
| 02 | VANGUARD GROUP INC CIK 102909 · View history | $255.87M 43,147,953 shares | 0.00% | -594.83K(-1.4%)Reduced | SEC filing ↗ Aug 11, 2025 | ▾ |
| 03 | Blackstone Inc. CIK 1393818 · View history | $166.40M 28,061,525 shares | 0.75% | 0(0.0%)Unchanged | SEC filing ↗ Aug 14, 2025 | ▾ |
| 04 | FULLER & THALER ASSET MANAGEMENT, INC. CIK 1082327 · View history | $107.01M 18,045,701 shares | 0.39% | +1.13M(+6.7%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 05 | DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history | $99.01M 16,695,884 shares | 0.02% | +5.69M(+51.7%)Added | SEC filing ↗ Aug 12, 2025 | ▾ |
| 06 | STATE STREET CORP CIK 93751 · View history | $88.04M 14,846,115 shares | 0.00% | -561.28K(-3.6%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 07 | AMERICAN CENTURY COMPANIES INC CIK 748054 · View history | $85.77M 14,463,590 shares | 0.05% | +2.75M(+23.4%)Added | SEC filing ↗ Aug 12, 2025 | ▾ |
| 08 | Sourcerock Group LLC CIK 1822531 · View history | $81.86M 13,803,775 shares | 4.27% | +7.21M(+109.2%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 09 | ARGA Investment Management, LP CIK 1556915 · View history | $78.50M 13,238,092 shares | 2.15% | +453.52K(+3.5%)Added | SEC filing ↗ Jul 31, 2025 | ▾ |
| 10 | MACQUARIE GROUP LTD CIK 1418333 · View history | $55.03M 9,280,372 shares | 0.07% | -408.89K(-4.2%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 11 | GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history | $51.53M 8,688,040 shares | 0.00% | -451.77K(-4.9%)Reduced | SEC filing ↗ Aug 8, 2025 | ▾ |
| 12 | RENAISSANCE TECHNOLOGIES LLC CIK 1037389 · View history | $49.21M 8,298,499 shares | 0.07% | +3.48M(+72.2%)Added | SEC filing ↗ Aug 13, 2025 | ▾ |
| 13 | MORGAN STANLEY CIK 895421 · View history | $43.10M 7,267,697 shares | 0.00% | +614.58K(+9.2%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 14 | DEPRINCE RACE & ZOLLO INC CIK 1008894 · View history | $42.65M 7,192,789 shares | 0.89% | +1.06M(+17.3%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 15 | Invesco Ltd. CIK 914208 · View history | $35.76M 6,029,592 shares | 0.01% | -149.51K(-2.4%)Reduced | SEC filing ↗ Aug 13, 2025 | ▾ |
| 16 | VOLORIDGE INVESTMENT MANAGEMENT, LLC CIK 1556921 · View history | $34.17M 5,762,758 shares | 0.13% | +5.76MNew | SEC filing ↗ Aug 14, 2025 | ▾ |
| 17 | BANK OF AMERICA CORP /DE/ CIK 70858 · View history | $33.86M 5,710,369 shares | 0.00% | +82.82K(+1.5%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 18 | GOLDMAN SACHS GROUP INC CIK 886982 · View history | $32.79M 5,529,057 shares | 0.01% | +781.59K(+16.5%)Added | SEC filing ↗ Aug 14, 2025 | ▾ |
| 19 | VAN ECK ASSOCIATES CORP CIK 869178 · View history | $31.85M 5,371,366 shares | 0.04% | -998.53K(-15.7%)Reduced | SEC filing ↗ Aug 14, 2025 | ▾ |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC CIK 884546 · View history | $29.98M 5,055,038 shares | 0.01% | -568.79K(-10.1%)Reduced | SEC filing ↗ Aug 12, 2025 | ▾ |
Showing 20 / 361 institutions. The complete set is available through the API.
Coverage & totals by quarter
Reporting institutions by quarter
Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.
Explore all 361 reporting institutions.
This page includes 20 of 361 reporting institutions. Sign in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.
- Download CSV
- Earlier quarters
- Advanced screening & filtering
- API & AI access
+ New accounts get free API credits to explore data beyond ownership filings.
For AI agents & developers
The initial HTML of this page carries its exact data as script#research-data (JSON): values, units, scope, preview limits and SEC sources. Read it directly, no script or API key needed; script#research-access says what needs an account. This page lists 20 of 361 reporting institutions; totals use the complete disclosed data.
Without an account: the last 3 years, with the row caps stated on the page. A free account opens all history on file on these pages and the CSV of what a page shows. Rows beyond the caps and bulk retrieval go through the authenticated API / MCP.
MCP https://api.akkrudata.ai/mcp
get_institutional_security_holders
{"cusip":"703481101","quarter":"2025Q2","type":"positions","page_size":100}Connect to MCP with OAuth and follow the returned pagination. Credits and usage limits depend on the account.
- MCP endpoint
- https://api.akkrudata.ai/mcp
- API / MCP documentation
- /documents
- llms.txt
- /llms.txt
Sources, coverage & how to read this data
Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.