Ticker · CUSIP 703481101

PTEN

PATTERSON-UTI ENERGY INC
Energy·Oil & Gas Drilling
···Share
Holders (tracked)
15
Combined shares
29,139,563
Combined value
$175.97M
Last close
$10.41
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
15162024Q12025Q4
Price is +72.4% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

24 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +650,000 shares · 2025Q4
    Position
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +1,646,870 shares · 2025Q4
    Position
  3. D.E. Shaw & Co. trimmed2026-02-17
    −174,617 shares · 2025Q4
    Position
  4. AQR Capital Management added2026-02-17
    +865,606 shares · 2025Q4
    Position
  5. Two Sigma Investments opened position2026-02-17
    +1,549,955 shares · 2025Q4
    Position
  6. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −2,893,274 shares · 2025Q4
    Position
  7. Steve Cohen (Point72) opened position2026-02-17
    +4,980,180 shares · 2025Q4
    Position
  8. T. Rowe Price added2026-02-17
    +31,983 shares · 2025Q4
    Position
  9. Ray Dalio (Bridgewater Associates) added2026-02-13
    +243,110 shares · 2025Q4
    Position
  10. Renaissance Technologies trimmed2026-02-12
    −3,007,300 shares · 2025Q4
    Position
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +198,800 shares · 2025Q4
    Position
  12. Ken Fisher (Fisher Asset Mgmt) trimmed2026-02-09
    −188,987 shares · 2025Q4
    Position
  13. Mario Gabelli (GAMCO) trimmed2026-02-05
    −41,223 shares · 2025Q4
    Position
  14. AQR Capital Management trimmed2025-11-14
    −627,535 shares · 2025Q3
    Position
  15. Izzy Englander (Millennium Mgmt) added2025-11-14
    +4,442,700 shares · 2025Q3
    Position
  16. Steve Cohen (Point72) exited2025-11-14
    −4,722,047 shares · 2025Q3
    Position
  17. D.E. Shaw & Co. added2025-11-14
    +32,610 shares · 2025Q3
    Position
  18. T. Rowe Price trimmed2025-11-14
    −246,127 shares · 2025Q3
    Position
  19. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +21,153 shares · 2025Q3
    Position
  20. Renaissance Technologies added2025-11-13
    +438,500 shares · 2025Q3
    Position
  21. Norges Bank (Norway SWF) exited2025-11-13
    −4,382,344 shares · 2025Q3
    Position
  22. Norges Bank (Norway SWF) trimmed2025-11-12
    −293,811 shares · 2024Q3
    Position
  23. Mario Gabelli (GAMCO) added2025-11-12
    +19,848 shares · 2025Q3
    Position
  24. Ken Fisher (Fisher Asset Mgmt) trimmed2025-11-12
    −142,814 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for PTEN →
Follow-the-investor returns
If you'd copied each holder of PTEN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
T. Rowe Price2016Q1$1.10+846.6%$3.5M
D.E. Shaw & Co.2016Q3$5.96+74.5%$208K
Ken Griffin (Citadel Advisors)2016Q1$6.03+72.7%$1.1M
Ken Griffin (Citadel Advisors)2016Q1$6.03+72.7%$1.1M
Ken Griffin (Citadel Advisors)2016Q1$6.03+72.7%$1.1M
Paul Tudor Jones (Tudor Investment)2016Q1$6.35+64.0%$6.8M
Izzy Englander (Millennium Mgmt)2016Q1$6.47+60.8%$63.5M
Two Sigma Investments2016Q1$6.55+58.9%$16.1M
Ray Dalio (Bridgewater Associates)2023Q2$6.59+58.0%$2.8M
Renaissance Technologies2016Q1$7.13+45.9%$59.6M
AQR Capital Management2016Q1$7.35+41.7%$21.8M
Steve Cohen (Point72)2016Q1$8.81+18.2%$51.8M
Mario Gabelli (GAMCO)2017Q2$9.18+13.3%$559K
Norges Bank (Norway SWF)2016Q1$11.08-6.0%$2.1M
Ken Fisher (Fisher Asset Mgmt)2018Q1$12.87-19.1%$45.6M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions4
Added to4
Trimmed5
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
15
$29.66B
2022Q2
16
$11.95B
2022Q3
16
$16.8M
2022Q4
15
$778.4M
2023Q1
15
$597.4M
2023Q2
16
$596.1M
2023Q3
16
$1.14B
2023Q4
13
$919.9M
2024Q1
16
$1.11B
2024Q2
14
$912.3M
2024Q3
15
$181.9M
2024Q4
15
$176.0M
2025Q1
12
$177.8M
2025Q2
13
$181.7M
2025Q3
12
$131.1M
2025Q4
15
$176.0M

Who owns PTEN

15 super-investors · 2025Q4
Tracked stake
29.14M
shares
Combined value
$176M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added6Trim5
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
6.10M$37M
2Renaissance Technologies5.73M$35M
3Steve Cohen
Point72
4.98M$30M
4Ken Fisher
Fisher Asset Mgmt
4.38M$27M
5Ken Griffin
Citadel Advisors
2.32M$14M
6AQR Capital Management2.10M$13M
7Two Sigma Investments1.55M$9M
8Paul Tudor Jones
Tudor Investment
650.0K$4M
9Ken Griffin
Citadel Advisors
357.8K$2M
10Ray Dalio
Bridgewater Associates
264.3K$2M
11Norges Bank
Norway SWF
198.8K$1M
12Ken Griffin
Citadel Advisors
101.9K$623K
13Mario Gabelli
GAMCO
53.7K$328K
14D.E. Shaw & Co.20.0K$122K
15T. Rowe Price338.9K$2K

Recent moves

20 transactions
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