# PATTERSON-UTI ENERGY INC COM

PATTERSON-UTI ENERGY INC COM is a security (CUSIP 703481101) tracked across SEC portfolio filings. 442 institutional managers reported $4.0B on Form 13F as of 2026-06-30; 30 registered fund positions totaling $363.7M via N-PORT as of 2026-05-31.

## Summary

- Issuer: PATTERSON-UTI ENERGY INC
- Class: COM
- CUSIP: 703481101
- Asset category: EC
- 13F holders: 442
- 13F value: $4.0B
- 13F period: 2026-06-30
- N-PORT fund positions: 30
- N-PORT value: $363.7M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 442 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $659.4M | 60,883,449 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $257.9M | 42,214,498 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $229.7M | 21,211,576 |
| AMERICAN CENTURY COMPANIES INC | KANSAS CITY, MO | $177.7M | 16,406,052 |
| [Sourcerock Group LLC](https://search.stillhousedata.com/firm/307575) | DENVER, CO | $176.6M | 16,309,517 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $165.0M | 15,235,534 |
| STATE STREET CORP | BOSTON, MA | $162.3M | 14,985,593 |
| FULLER & THALER ASSET MANAGEMENT, INC. | San Mateo, CA | $132.7M | 12,253,350 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $95.6M | 8,821,800 |
| PRINCIPAL FINANCIAL GROUP INC | DES MOINES, IA | $82.8M | 9,021,589 |
| Blackstone Inc. | NEW YORK, NY | $77.3M | 7,139,404 |
| MORGAN STANLEY | NEW YORK, NY | $74.7M | 6,899,740 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | PHILADELPHIA, PA | $72.5M | 6,697,154 |
| MILLENNIUM MANAGEMENT LLC | NEW YORK, NY | $57.4M | 5,296,308 |
| VICTORY CAPITAL MANAGEMENT INC | San Antonio, TX | $52.7M | 4,864,652 |

## Top fund holders (N-PORT)

_Showing 15 of 30 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Invesco Small Cap Value Fund](https://search.stillhousedata.com/fund/S000027837) | AIM Sector Funds (Invesco Sector Funds) | $132.2M | 122.88% |
| [Undiscovered Managers Behavioral Value Fund](https://search.stillhousedata.com/fund/S000004186) | UNDISCOVERED MANAGERS FUNDS | $108.2M | 125.19% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $41.7M | 5.12% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $20.0M | 11.40% |
| [VANGUARD STRATEGIC EQUITY FUND](https://search.stillhousedata.com/fund/S000002593) | VANGUARD HORIZON FUNDS | $18.7M | 18.51% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $14.9M | 20.00% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $6.2M | 12.77% |
| [BlackRock Advantage SMID Cap Fund, Inc.](https://search.stillhousedata.com/fund/S000002323) | BlackRock Advantage SMID Cap Fund, Inc. | $2.6M | 33.78% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $2.3M | 0.39% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $2.2M | 11.93% |
| [BNY Mellon Smallcap Stock Index Fund](https://search.stillhousedata.com/fund/S000000132) | BNY MELLON INDEX FUNDS, INC. | $2.1M | 24.83% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $2.0M | 0.67% |
| [VANGUARD MARKET NEUTRAL FUND](https://search.stillhousedata.com/fund/S000019457) | VANGUARD MONTGOMERY FUNDS | $1.6M | 37.98% |
| [Franklin Mutual Small-Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000007354) | Franklin Value Investors Trust | $1.6M | 70.46% |
| [Keeley Small Cap Fund](https://search.stillhousedata.com/fund/S000001085) | Teton Westwood Funds | $1.5M | 171.58% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/703481101.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.