Parallax Volatility Advisers
PTEN icon

Parallax Volatility Advisers’s Patterson-UTI PTEN Stock Holding History

Parallax Volatility Advisers’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
Q1 		– Sell
-65,000
Closed -$397K – 1770
2025
Q4 		$397K Hold
65,000
– – ﹤0.01% 1265
2025
Q3 		$337K Hold
65,000
– – ﹤0.01% 1304
2025
Q2 		$385K Buy
+65,000
New +$391K ﹤0.01% 1234
2019
Q4 		– Sell
-114,600
Closed -$980K – 2592
2019
Q3 		$980K Buy
+114,600
New +$1.12M ﹤0.01% 1381
2018
Q2 		– Sell
-15,000
Closed -$263K – 3030
2018
Q1 		$263K Buy
+15,000
New +$313K ﹤0.01% 1217
2016
Q2 		– Sell
-2,100
Closed -$38K – 3286
2016
Q1 		$38K Buy
+2,100
New +$31.3K ﹤0.01% 2192
2015
Q3 		– Sell
-55,400
Closed -$1.04M – 3827
2015
Q2 		$1.04M Buy
55,400
+45,700
+471% +$948K ﹤0.01% 1327
2015
Q1 		$182K Sell
9,700
-45,000
-82% -$772K ﹤0.01% 2143
2014
Q4 		$910K Buy
54,700
+48,600
+797% +$1.03M ﹤0.01% 1579
2014
Q3 		$201K Buy
6,100
+1,000
+20% +$34K ﹤0.01% 2461
2014
Q2 		$177K Buy
5,100
+3,500
+219% +$115K ﹤0.01% 2090
2014
Q1 		$52K Sell
1,600
-2,500
-61% -$69.5K ﹤0.01% 2278
2013
Q4 		$105K Hold
4,100
– – ﹤0.01% 1806
2013
Q3 		$87K Sell
4,100
-800
-16% -$16.4K ﹤0.01% 1509
2013
Q2 		$96K Buy
+4,900
New +$107K ﹤0.01% 1307

Other funds holding PTEN

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
SG
Sourcerock Group Denver, Colorado $2.48B AUM 72.25% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Parallax Volatility Advisers's PTEN Position: Q4 2025 in Review

Parallax Volatility Advisers sold out of Patterson-UTI (PTEN) in Q4 2025, closing a stake of 37,992 shares — an estimated $227K sold.

Parallax Volatility Advisers first reported a position in PTEN in Q2 2013 and held it in 11 quarters. The position peaked at $359K in Q2 2015. 372 funds tracked by Wall St. Rank hold PTEN as of Q4 2025.

  • Parallax Volatility Advisers reported no remaining Patterson-UTI position as of Q4 2025 after selling out during the quarter.
  • Parallax Volatility Advisers sold 37,992 Patterson-UTI shares in Q4 2025, an estimated $227K.
  • Parallax Volatility Advisers first reported a position in Patterson-UTI in Q2 2013 and held it in 11 quarters.
  • Parallax Volatility Advisers's Patterson-UTI position peaked at $359K in Q2 2015.
  • 372 funds tracked by Wall St. Rank held Patterson-UTI as of Q4 2025.

Based on Parallax Volatility Advisers's 13F filing for Q4 2025, filed 17 Feb 2026.