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John Overdeck’s Patterson-UTI PTEN Stock Holding History

John Overdeck’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
2018
Q4 		– Sell
-38,000
Closed -$650K – 3414
2018
Q3 		$650K Buy
+38,000
New +$653K ﹤0.01% 2277
2018
Q2 		– Sell
-89,000
Closed -$1.56M – 3573
2018
Q1 		$1.56M Buy
89,000
+61,000
+218% +$1.27M 0.01% 1705
2017
Q4 		$644K Sell
28,000
-101,800
-78% -$2.11M ﹤0.01% 2264
2017
Q3 		$2.72M Buy
129,800
+53,800
+71% +$991K 0.01% 1146
2017
Q2 		$1.53M Buy
76,000
+22,400
+42% +$488K 0.01% 1603
2017
Q1 		$1.3M Buy
+53,600
New +$1.45M ﹤0.01% 1742
2016
Q4 		– Sell
-88,700
Closed -$1.98M – 3444
2016
Q3 		$1.98M Buy
88,700
+72,700
+454% +$1.46M 0.01% 1460
2016
Q2 		$341K Sell
16,000
-8,000
-33% -$151K ﹤0.01% 2481
2016
Q1 		$423K Buy
24,000
+6,000
+33% +$89.5K ﹤0.01% 2166
2015
Q4 		$271K Buy
18,000
+2,000
+13% +$30.8K ﹤0.01% 2303
2015
Q3 		$210K Sell
16,000
-33,000
-67% -$523K ﹤0.01% 1962
2015
Q2 		$922K Buy
49,000
+8,000
+20% +$166K ﹤0.01% 1704
2015
Q1 		$770K Buy
+41,000
New +$703K ﹤0.01% 1739

Other funds holding PTEN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
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
SG
Sourcerock Group Denver, Colorado $1.92B AUM 45.54% 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

John Overdeck's PTEN Position: Q2 2026 in Review

John Overdeck reduced its Patterson-UTI (PTEN) stake by 28% in Q2 2026, selling an estimated $11M and leaving 2,595,426 shares worth $23.8M. The position accounts for 0.02% of the portfolio, ranked #942.

John Overdeck first reported a position in PTEN in Q1 2014 and has held it in 36 quarters since. The position peaked at $64.5M in Q1 2014. 435 funds tracked by Wall St. Rank hold PTEN as of Q2 2026.

  • John Overdeck held 2,595,426 shares of Patterson-UTI worth $23.8M as of Q2 2026.
  • John Overdeck sold 988,828 Patterson-UTI shares in Q2 2026, an estimated $11M.
  • Patterson-UTI made up 0.02% of John Overdeck's portfolio in Q2 2026, its #942 holding.
  • John Overdeck first reported a position in Patterson-UTI in Q1 2014 and has held it in 36 quarters since.
  • John Overdeck's Patterson-UTI position peaked at $64.5M in Q1 2014.
  • 435 funds tracked by Wall St. Rank held Patterson-UTI as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.