NEEDHAM INVESTMENT MANAGEMENT LLC

Holdings History for ENTEGRIS INC - COMMON STOCK (ENTG)

Symbol: ENTG on Nasdaq
Investment type: Equity / COMMON STOCK

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	1%	-0.21%	$16,125,450	191,400	-39,600	-17%	$84.25	Q4 2025
30 Sep 2025	1.5%	-0.06%	$21,358,260	231,000	-9,000	-3.8%	$92.46	Q3 2025
30 Jun 2025	1.5%	+0.05%	$19,356,000	240,000	+7,000	+3%	$80.65	Q2 2025
31 Mar 2025	1.9%	-0.06%	$20,382,840	233,000	-7,000		$87.48	Q1 2025
31 Dec 2024	1.8%	0%	$23,774,400	240,000	0		$99.06	Q4 2024
30 Sep 2024	2.1%	+0.06%	$27,007,200	240,000	+6,500	+2.8%	$112.53	Q3 2024
30 Jun 2024	2.6%	0%	$31,615,900	233,500	0		$135.40	Q2 2024
31 Mar 2024	3%	0%	$32,816,090	233,500	0		$140.54	Q1 2024
31 Dec 2023	3.5%	+0.02%	$27,977,970	233,500	+1,000	+0.43%	$119.82	Q4 2023
30 Sep 2023	3.7%	+0.02%	$21,834,075	232,500	+1,000	+0.43%	$93.91	Q3 2023
30 Jun 2023	4.2%	-0.54%	$25,654,830	231,500	-29,500	-11%	$110.82	Q2 2023
31 Mar 2023	3.7%	-0.01%	$21,404,610	261,000	-500	-0.19%	$82.01	Q1 2023
31 Dec 2022	3.1%	0%	$17,151,785	261,500	0		$65.59	Q4 2022
30 Sep 2022	4.3%	0%	$21,711,000	261,500	0		$83.02	Q3 2022
30 Jun 2022	4.5%	-0.03%	$24,092,000	261,500	-2,000	-0.76%	$92.13	Q2 2022
31 Mar 2022	5%	-0.09%	$34,588,000	263,500	-5,000	-1.9%	$131.26	Q1 2022
31 Dec 2021	4.7%	-0.27%	$37,209,000	268,500	-15,500	-5.5%	$138.58	Q4 2021
30 Sep 2021	4.8%	-0.02%	$35,756,000	284,000	-1,000	-0.35%	$125.90	Q3 2021
30 Jun 2021	5.1%	-0.46%	$35,046,000	285,000	-25,500	-8.2%	$122.97	Q2 2021
31 Mar 2021	4.7%	-0.24%	$34,714,000	310,500	-16,000	-4.9%	$111.80	Q1 2021
31 Dec 2020	5.3%	-0.27%	$31,377,000	326,500	-16,500	-4.8%	$96.10	Q4 2020
30 Sep 2020	5.1%	-0.31%	$25,498,000	343,000	-21,000	-5.8%	$74.34	Q3 2020
30 Jun 2020	4.6%	-0.27%	$21,494,000	364,000	-21,500	-5.6%	$59.05	Q2 2020
31 Mar 2020	4.9%	-0.33%	$17,258,000	385,500	-26,000	-6.3%	$44.77	Q1 2020
31 Dec 2019	5.6%	-0.2%	$20,612,000	411,500	-14,500	-3.4%	$50.09	Q4 2019
30 Sep 2019	6.4%	-0.14%	$20,048,000	426,000	-9,000	-2.1%	$47.06	Q3 2019
30 Jun 2019	5.4%	-0.25%	$16,234,000	435,000	-20,500	-4.5%	$37.32	Q2 2019
31 Mar 2019	5.5%	-0.6%	$16,257,000	455,500	-49,500	-9.8%	$35.69	Q1 2019
31 Dec 2018	5.3%	+0.05%	$14,087,000	505,000	+4,500	+0.9%	$27.90	Q4 2018
30 Sep 2018	4.4%	0%	$14,489,000	500,500	0		$28.95	Q3 2018
30 Jun 2018	4.8%	-0.19%	$16,967,000	500,500	-19,500	-3.8%	$33.90	Q2 2018
31 Mar 2018	5.2%	-0.23%	$18,096,000	520,000	-23,000	-4.2%	$34.80	Q1 2018
31 Dec 2017	4.4%	-0.07%	$16,535,000	543,000	-9,000	-1.6%	$30.45	Q4 2017
30 Sep 2017	4%	0%	$15,926,000	552,000	0		$28.85	Q3 2017
30 Jun 2017	3.2%	-0%	$12,116,000	552,000	-500	-0.09%	$21.95	Q2 2017
31 Mar 2017	3.4%	-0.05%	$12,929,000	552,500	-7,500	-1.3%	$23.40	Q1 2017
31 Dec 2016	2.6%	-0.07%	$10,024,000	560,000	-15,000	-2.6%	$17.90	Q4 2016
30 Sep 2016	2.6%	-0.7%	$10,017,000	575,000	-152,000	-21%	$17.42	Q3 2016
30 Jun 2016	2.9%	-0.19%	$10,520,000	727,000	-46,500	-6%	$14.47	Q2 2016
31 Mar 2016	2.7%	-0.12%	$10,535,000	773,500	-32,500	-4%	$13.62	Q1 2016
31 Dec 2015	2.7%	-0.17%	$10,696,000	806,000	-50,000	-5.8%	$13.27	Q4 2015
30 Sep 2015	2.8%	-0.06%	$11,291,000	856,000	-19,000	-2.2%	$13.19	Q3 2015
30 Jun 2015	2.8%	+0.23%	$12,749,000	875,000	+72,500	+9%	$14.57	Q2 2015
31 Mar 2015	2.3%	+0.04%	$10,986,000	802,500	+15,000	+1.9%	$13.69	Q1 2015
31 Dec 2014	2.2%	+0.05%	$10,402,000	787,500	+17,500	+2.3%	$13.21	Q4 2014
30 Sep 2014	2%	+0.09%	$8,855,000	770,000	+35,000	+4.8%	$11.50	Q3 2014
30 Jun 2014	2.1%	0%	$10,102,000	735,000	0		$13.74	Q2 2014
31 Mar 2014	1.9%	0%	$8,900,000	735,000	0		$12.11	Q1 2014
31 Dec 2013	1.8%	0%	$8,519,000	735,000	0		$11.59	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.