PATTERSON UTI ENERGY INC

Ticker: PTEN CUSIP: 703481101 Class: Common Stock

BROWN BROTHERS HARRIMAN & CO's Holding History (CIK: 0000014661)

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

Q4 2025
Shares 717 Value ($000) $4 Avg Close $5.97 Range $5.15 - $6.97
Q3 2022
Shares 446 Value ($000) $5 Avg Close $14.29 Range $10.69 - $17.17
Q2 2020
Shares 125 Value ($000) $0 Avg Close $3.45 Range $1.61 - $6.33
Q1 2020
Shares 375 Value ($000) $1 Avg Close $6.47 Range $1.80 - $10.95
Q4 2018
Shares 188 Value ($000) $2 Avg Close $14.74 Range $9.49 - $18.24
Q2 2018
Shares 550 Value ($000) $10 Avg Close $20.05 Range $16.61 - $23.99
Q1 2018
Shares 550 Value ($000) $10 Avg Close $20.88 Range $16.82 - $25.03
Q4 2017
Shares 550 Value ($000) $13 Avg Close $20.72 Range $17.24 - $23.26