PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 1,572,709 Value ($000) $9,609 Avg Close $5.97 Range $5.15 - $6.97

Q3 2025

Shares 618,686 Value ($000) $3,205 Avg Close $5.75 Range $5.10 - $6.69

Q2 2025

Shares 519,800 Value ($000) $3,082 Avg Close $6.02 Range $5.12 - $8.60

Q1 2025

Shares 270,375 Value ($000) $2,222 Avg Close $8.39 Range $7.03 - $9.57

Q4 2024

Shares 172,052 Value ($000) $1,421 Avg Close $8.02 Range $7.15 - $8.91

Q3 2024

Shares 126,093 Value ($000) $961 Avg Close $9.21 Range $7.45 - $11.27

Q2 2024

Shares 441,081 Value ($000) $4,574 Avg Close $10.97 Range $9.68 - $12.65

Q1 2024

Shares 435,836 Value ($000) $5,300 Avg Close $11.11 Range $9.73 - $12.33

Q4 2023

Shares 472,467 Value ($000) $5,235 Avg Close $12.16 Range $10.45 - $14.26

Q3 2023

Shares 201,036 Value ($000) $3,237 Avg Close $14.63 Range $11.65 - $16.18

Q2 2023

Shares 36,503 Value ($000) $442 Avg Close $11.29 Range $9.70 - $12.91

Q1 2023

Shares 41,796 Value ($000) $498 Avg Close $14.60 Range $10.40 - $17.86

Q4 2022

Shares 37,205 Value ($000) $627 Avg Close $16.50 Range $12.37 - $19.81

Q3 2022

Shares 33,694 Value ($000) $400 Avg Close $14.29 Range $10.69 - $17.17

Q2 2022

Shares 140,297 Value ($000) $2,308 Avg Close $16.79 Range $13.81 - $20.53

Q1 2022

Shares 180,254 Value ($000) $2,780 Avg Close $12.62 Range $8.44 - $17.09

Q4 2021

Shares 264,254 Value ($000) $2,250 Avg Close $8.62 Range $6.71 - $10.13

Q3 2021

Shares 73,465 Value ($000) $669 Avg Close $8.10 Range $6.44 - $10.58

Q2 2021

Shares 72,400 Value ($000) $760 Avg Close $8.46 Range $6.07 - $11.27

Q1 2021

Shares 66,597 Value ($000) $469 Avg Close $7.05 Range $5.21 - $9.74

Q4 2020

Shares 67,602 Value ($000) $414 Avg Close $3.93 Range $2.38 - $5.83

Q3 2020

Shares 58,407 Value ($000) $158 Avg Close $3.68 Range $2.77 - $4.74

Q2 2020

Shares 73,627 Value ($000) $244 Avg Close $3.45 Range $1.61 - $6.33

Q1 2020

Shares 53,723 Value ($000) $102 Avg Close $6.47 Range $1.80 - $10.95

Q4 2019

Shares 74,786 Value ($000) $784 Avg Close $9.05 Range $7.67 - $10.80

Q3 2019

Shares 59,001 Value ($000) $505 Avg Close $9.81 Range $7.87 - $12.15

Q2 2019

Shares 88,969 Value ($000) $1,025 Avg Close $12.87 Range $10.07 - $16.27

Q1 2019

Shares 127,354 Value ($000) $1,785 Avg Close $13.11 Range $9.85 - $14.79

Q4 2018

Shares 144,893 Value ($000) $1,500 Avg Close $14.74 Range $9.49 - $18.24

Q3 2018

Shares 146,642 Value ($000) $2,509 Avg Close $17.18 Range $14.60 - $19.29

Q2 2018

Shares 223,322 Value ($000) $4,020 Avg Close $20.05 Range $16.61 - $23.99

Q1 2018

Shares 258,909 Value ($000) $4,534 Avg Close $20.88 Range $16.82 - $25.03

Q4 2017

Shares 281,307 Value ($000) $6,474 Avg Close $20.72 Range $17.24 - $23.26

Q3 2017

Shares 254,555 Value ($000) $5,331 Avg Close $18.42 Range $14.83 - $21.74

Q2 2017

Shares 391,644 Value ($000) $7,908 Avg Close $21.79 Range $19.06 - $25.75

Q1 2017

Shares 359,150 Value ($000) $8,716 Avg Close $26.97 Range $22.83 - $29.76

Q4 2016

Shares 384,694 Value ($000) $10,260 Avg Close $24.70 Range $20.79 - $29.56

Q3 2016

Shares 289,543 Value ($000) $6,478 Avg Close $20.07 Range $17.61 - $22.66

Q2 2016

Shares 338,759 Value ($000) $7,222 Avg Close $18.84 Range $16.06 - $22.12

Q1 2016

Shares 259,266 Value ($000) $4,568 Avg Close $14.91 Range $10.94 - $18.75

Q4 2015

Shares 269,591 Value ($000) $4,065 Avg Close $15.38 Range $12.82 - $17.45

Q3 2015

Shares 545,199 Value ($000) $7,165 Avg Close $15.85 Range $12.97 - $18.80

Q2 2015

Shares 578,173 Value ($000) $10,878 Avg Close $20.74 Range $18.30 - $23.11

Q1 2015

Shares 626,435 Value ($000) $11,762 Avg Close $17.15 Range $13.30 - $19.70

Q4 2014

Shares 86,820 Value ($000) $1,439 Avg Close $21.10 Range $14.01 - $33.28

Q3 2014

Shares 361,952 Value ($000) $11,774 Avg Close $33.96 Range $31.12 - $38.43

Q2 2014

Shares 238,569 Value ($000) $8,336 Avg Close $32.83 Range $30.24 - $35.42

Q1 2014

Shares 22,750 Value ($000) $721 Avg Close $27.81 Range $24.37 - $31.95

Q4 2013

Shares 15,980 Value ($000) $404 Avg Close $23.93 Range $21.29 - $26.09

Q3 2013

Shares 16,291 Value ($000) $349 Avg Close $20.54 Range $18.83 - $22.41

Q2 2013

Shares 20,693 Value ($000) $400 Avg Close $21.83 Range $18.96 - $25.12

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,572,709	$9,609	$5.97	$5.15 - $6.97
Q3 2025	618,686	$3,205	$5.75	$5.10 - $6.69
Q2 2025	519,800	$3,082	$6.02	$5.12 - $8.60
Q1 2025	270,375	$2,222	$8.39	$7.03 - $9.57
Q4 2024	172,052	$1,421	$8.02	$7.15 - $8.91
Q3 2024	126,093	$961	$9.21	$7.45 - $11.27
Q2 2024	441,081	$4,574	$10.97	$9.68 - $12.65
Q1 2024	435,836	$5,300	$11.11	$9.73 - $12.33
Q4 2023	472,467	$5,235	$12.16	$10.45 - $14.26
Q3 2023	201,036	$3,237	$14.63	$11.65 - $16.18
Q2 2023	36,503	$442	$11.29	$9.70 - $12.91
Q1 2023	41,796	$498	$14.60	$10.40 - $17.86
Q4 2022	37,205	$627	$16.50	$12.37 - $19.81
Q3 2022	33,694	$400	$14.29	$10.69 - $17.17
Q2 2022	140,297	$2,308	$16.79	$13.81 - $20.53
Q1 2022	180,254	$2,780	$12.62	$8.44 - $17.09
Q4 2021	264,254	$2,250	$8.62	$6.71 - $10.13
Q3 2021	73,465	$669	$8.10	$6.44 - $10.58
Q2 2021	72,400	$760	$8.46	$6.07 - $11.27
Q1 2021	66,597	$469	$7.05	$5.21 - $9.74
Q4 2020	67,602	$414	$3.93	$2.38 - $5.83
Q3 2020	58,407	$158	$3.68	$2.77 - $4.74
Q2 2020	73,627	$244	$3.45	$1.61 - $6.33
Q1 2020	53,723	$102	$6.47	$1.80 - $10.95
Q4 2019	74,786	$784	$9.05	$7.67 - $10.80
Q3 2019	59,001	$505	$9.81	$7.87 - $12.15
Q2 2019	88,969	$1,025	$12.87	$10.07 - $16.27
Q1 2019	127,354	$1,785	$13.11	$9.85 - $14.79
Q4 2018	144,893	$1,500	$14.74	$9.49 - $18.24
Q3 2018	146,642	$2,509	$17.18	$14.60 - $19.29
Q2 2018	223,322	$4,020	$20.05	$16.61 - $23.99
Q1 2018	258,909	$4,534	$20.88	$16.82 - $25.03
Q4 2017	281,307	$6,474	$20.72	$17.24 - $23.26
Q3 2017	254,555	$5,331	$18.42	$14.83 - $21.74
Q2 2017	391,644	$7,908	$21.79	$19.06 - $25.75
Q1 2017	359,150	$8,716	$26.97	$22.83 - $29.76
Q4 2016	384,694	$10,260	$24.70	$20.79 - $29.56
Q3 2016	289,543	$6,478	$20.07	$17.61 - $22.66
Q2 2016	338,759	$7,222	$18.84	$16.06 - $22.12
Q1 2016	259,266	$4,568	$14.91	$10.94 - $18.75
Q4 2015	269,591	$4,065	$15.38	$12.82 - $17.45
Q3 2015	545,199	$7,165	$15.85	$12.97 - $18.80
Q2 2015	578,173	$10,878	$20.74	$18.30 - $23.11
Q1 2015	626,435	$11,762	$17.15	$13.30 - $19.70
Q4 2014	86,820	$1,439	$21.10	$14.01 - $33.28
Q3 2014	361,952	$11,774	$33.96	$31.12 - $38.43
Q2 2014	238,569	$8,336	$32.83	$30.24 - $35.42
Q1 2014	22,750	$721	$27.81	$24.37 - $31.95
Q4 2013	15,980	$404	$23.93	$21.29 - $26.09
Q3 2013	16,291	$349	$20.54	$18.83 - $22.41
Q2 2013	20,693	$400	$21.83	$18.96 - $25.12