Vanguard Portfolio Management
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Vanguard Portfolio Management’s Patterson-UTI PTEN Stock Holding History

Vanguard Portfolio Management’s Portfolio PTEN Stock Details PTEN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$250M Buy
27,204,105
+144,547
+0.5% +$1.61M 0.01% 1088
2026
Q1 		$293M Buy
+27,059,558
New +$232M 0.02% 911

Other funds holding PTEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Principal Financial Group
Principal Financial Group Des Moines, Iowa $204B AUM 27.99% 1-Year Est. Return

Vanguard Portfolio Management's PTEN Position: Q2 2026 in Review

Vanguard Portfolio Management increased its Patterson-UTI (PTEN) stake by 0.53% in Q2 2026, buying an estimated $1.61M and bringing the position to 27,204,105 shares worth $250M. The position accounts for 0.01% of the portfolio, ranked #1088.

Vanguard Portfolio Management first reported a position in PTEN in Q1 2026 and has held it in 2 quarters since. The position peaked at $293M in Q1 2026. 405 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

  • Vanguard Portfolio Management held 27,204,105 shares of Patterson-UTI worth $250M as of Q2 2026.
  • Vanguard Portfolio Management bought 144,547 Patterson-UTI shares in Q2 2026, an estimated $1.61M.
  • Patterson-UTI made up 0.01% of Vanguard Portfolio Management's portfolio in Q2 2026, its #1088 holding.
  • Vanguard Portfolio Management first reported a position in Patterson-UTI in Q1 2026 and has held it in 2 quarters since.
  • Vanguard Portfolio Management's Patterson-UTI position peaked at $293M in Q1 2026.
  • 405 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Vanguard Portfolio Management's 13F filing for Q2 2026, filed 13 Aug 2026.