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Cortina Asset Management, LLC > PTEN

DateNameTickerSharesChangeValueChangePrice
06/30/2019PATTERSON UTI ENERGY INCPTEN465,981-4,4695,363,000-1,233,000$11.51
03/31/2019PATTERSON UTI ENERGY INCPTEN470,450-183,3046,596,000-170,000$14.02
12/31/2018PATTERSON UTI ENERGY INCPTEN653,754178,8476,766,000-1,360,000$10.35
09/30/2018PATTERSON UTI ENERGY INCPTEN474,907-21,2258,126,000-804,000$17.11
06/30/2018PATTERSON UTI ENERGY INCPTEN496,132-29,9068,930,000-281,000$18.00
03/31/2018PATTERSON UTI ENERGY INCPTEN526,038-122,7739,211,000-5,718,000$17.51
12/31/2017PATTERSON UTI ENERGY INCPTEN648,811-366,35314,929,00014,907,742$23.01
09/30/2017PATTERSON UTI ENERGY INCPTEN1,015,16455,02021,258-19,363,742$0.02
06/30/2017PATTERSON UTI ENERGY INCPTEN960,144154,84719,385,000-2,294,000$20.19
12/31/2016PATTERSON UTI ENERGY INCPTEN805,297-265,44421,679,000-2,273,000$26.92
09/30/2016PATTERSON UTI ENERGY INCPTEN1,070,741-18,56023,952,000728,000$22.37
06/30/2016PATTERSON UTI ENERGY INCPTEN1,089,3011,089,30123,224,00023,224,000$21.32
03/31/2016PATTERSON UTI ENERGY INCPTEN1,384,5051,384,50524,395,00024,395,000$17.62
12/31/2015PATTERSON UTI ENERGY INCPTEN1,199,2141,199,21418,084,00018,084,000$15.08
09/30/2015PATTERSON UTI ENERGY INCPTEN1,057,969141,45413,902,000-3,306,000$13.14
06/30/2015PATTERSON UTI ENERGY INCPTEN863,319-53,19616,243,000-965,000$18.81
03/31/2015PATTERSON UTI ENERGY INCPTEN916,515916,51517,208,00017,208,000$18.78
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