ENTEGRIS INC

Ticker: ENTG CUSIP: 29362U104 Class: EQTY

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025

Shares 332,659 Value ($000) $28,027 Avg Close $86.76 Range $67.91 - $101.29

Q3 2025

Shares 396,738 Value ($000) $36,682 Avg Close $84.89 Range $70.21 - $98.85

Q2 2025

Shares 422,938 Value ($000) $34,110 Avg Close $75.73 Range $60.49 - $87.54

Q1 2025

Shares 452,369 Value ($000) $39,571 Avg Close $100.41 Range $84.39 - $109.99

Q4 2024

Shares 515,471 Value ($000) $51,063 Avg Close $104.86 Range $94.42 - $113.19

Q3 2024

Shares 519,671 Value ($000) $58,480 Avg Close $117.63 Range $94.95 - $146.54

Q2 2024

Shares 561,860 Value ($000) $76,076 Avg Close $131.08 Range $119.43 - $142.71

Q1 2024

Shares 549,930 Value ($000) $77,286 Avg Close $126.74 Range $107.44 - $145.77

Q4 2023

Shares 547,539 Value ($000) $65,609 Avg Close $100.54 Range $83.41 - $121.53

Q3 2023

Shares 374,803 Value ($000) $35,198 Avg Close $99.12 Range $87.24 - $111.57

Q2 2023

Shares 392,491 Value ($000) $43,494 Avg Close $90.19 Range $68.54 - $113.26

Q1 2023

Shares 386,250 Value ($000) $31,676 Avg Close $80.03 Range $63.01 - $88.42

Q4 2022

Shares 218,016 Value ($000) $14,300 Avg Close $72.64 Range $60.94 - $90.44

Q3 2022

Shares 326,327 Value ($000) $27,093 Avg Close $96.21 Range $81.31 - $108.99

Q2 2022

Shares 210,025 Value ($000) $19,335 Avg Close $106.67 Range $89.00 - $130.58

Q1 2022

Shares 208,823 Value ($000) $27,363 Avg Close $126.46 Range $105.59 - $139.53

Q4 2021

Shares 204,402 Value ($000) $28,333 Avg Close $137.46 Range $116.03 - $155.32

Q3 2021

Shares 200,157 Value ($000) $25,296 Avg Close $118.42 Range $107.47 - $133.60

Q2 2021

Shares 152,563 Value ($000) $18,699 Avg Close $112.78 Range $99.32 - $124.02

Q1 2021

Shares 103,630 Value ($000) $11,342 Avg Close $101.00 Range $91.73 - $111.76

Q4 2020

Shares 121,271 Value ($000) $11,667 Avg Close $85.63 Range $72.68 - $98.15

Q3 2020

Shares 161,026 Value ($000) $11,994 Avg Close $65.62 Range $54.94 - $73.61

Q2 2020

Shares 200,895 Value ($000) $11,873 Avg Close $54.31 Range $39.60 - $63.49

Q1 2020

Shares 259,829 Value ($000) $11,649 Avg Close $50.63 Range $37.23 - $57.68

Q4 2019

Shares 246,409 Value ($000) $12,349 Avg Close $47.00 Range $43.45 - $50.25

Q3 2019

Shares 236,352 Value ($000) $11,124 Avg Close $41.06 Range $34.02 - $47.16

Q2 2019

Shares 217,554 Value ($000) $8,115 Avg Close $36.83 Range $32.80 - $40.83

Q1 2019

Shares 193,025 Value ($000) $6,883 Avg Close $32.31 Range $26.52 - $39.16

Q4 2018

Shares 113,193 Value ($000) $3,267 Avg Close $26.16 Range $22.58 - $29.45

Q3 2018

Shares 111,842 Value ($000) $3,238 Avg Close $32.48 Range $27.54 - $37.24

Q2 2018

Shares 119,998 Value ($000) $4,069 Avg Close $34.08 Range $30.69 - $38.11

Q1 2018

Shares 114,244 Value ($000) $3,976 Avg Close $32.52 Range $28.08 - $36.78

Q4 2017

Shares 150,468 Value ($000) $4,582 Avg Close $29.39 Range $27.05 - $31.71

Q3 2017

Shares 145,971 Value ($000) $4,212 Avg Close $24.35 Range $20.85 - $27.77

Q2 2017

Shares 143,459 Value ($000) $3,149 Avg Close $23.10 Range $20.97 - $26.04

Q1 2017

Shares 57,600 Value ($000) $1,348 Avg Close $19.78 Range $16.90 - $22.84

Q4 2016

Shares 57,600 Value ($000) $1,031 Avg Close $16.61 Range $14.10 - $18.14

Q3 2016

Shares 57,600 Value ($000) $1,003 Avg Close $15.71 Range $13.38 - $16.98

Q4 2015

Shares 137 Value ($000) $2 Avg Close $12.79 Range $11.83 - $13.71

Q4 2014

Shares 138 Value ($000) $2 Avg Close $12.28 Range $10.22 - $13.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	332,659	$28,027	$86.76	$67.91 - $101.29
Q3 2025	396,738	$36,682	$84.89	$70.21 - $98.85
Q2 2025	422,938	$34,110	$75.73	$60.49 - $87.54
Q1 2025	452,369	$39,571	$100.41	$84.39 - $109.99
Q4 2024	515,471	$51,063	$104.86	$94.42 - $113.19
Q3 2024	519,671	$58,480	$117.63	$94.95 - $146.54
Q2 2024	561,860	$76,076	$131.08	$119.43 - $142.71
Q1 2024	549,930	$77,286	$126.74	$107.44 - $145.77
Q4 2023	547,539	$65,609	$100.54	$83.41 - $121.53
Q3 2023	374,803	$35,198	$99.12	$87.24 - $111.57
Q2 2023	392,491	$43,494	$90.19	$68.54 - $113.26
Q1 2023	386,250	$31,676	$80.03	$63.01 - $88.42
Q4 2022	218,016	$14,300	$72.64	$60.94 - $90.44
Q3 2022	326,327	$27,093	$96.21	$81.31 - $108.99
Q2 2022	210,025	$19,335	$106.67	$89.00 - $130.58
Q1 2022	208,823	$27,363	$126.46	$105.59 - $139.53
Q4 2021	204,402	$28,333	$137.46	$116.03 - $155.32
Q3 2021	200,157	$25,296	$118.42	$107.47 - $133.60
Q2 2021	152,563	$18,699	$112.78	$99.32 - $124.02
Q1 2021	103,630	$11,342	$101.00	$91.73 - $111.76
Q4 2020	121,271	$11,667	$85.63	$72.68 - $98.15
Q3 2020	161,026	$11,994	$65.62	$54.94 - $73.61
Q2 2020	200,895	$11,873	$54.31	$39.60 - $63.49
Q1 2020	259,829	$11,649	$50.63	$37.23 - $57.68
Q4 2019	246,409	$12,349	$47.00	$43.45 - $50.25
Q3 2019	236,352	$11,124	$41.06	$34.02 - $47.16
Q2 2019	217,554	$8,115	$36.83	$32.80 - $40.83
Q1 2019	193,025	$6,883	$32.31	$26.52 - $39.16
Q4 2018	113,193	$3,267	$26.16	$22.58 - $29.45
Q3 2018	111,842	$3,238	$32.48	$27.54 - $37.24
Q2 2018	119,998	$4,069	$34.08	$30.69 - $38.11
Q1 2018	114,244	$3,976	$32.52	$28.08 - $36.78
Q4 2017	150,468	$4,582	$29.39	$27.05 - $31.71
Q3 2017	145,971	$4,212	$24.35	$20.85 - $27.77
Q2 2017	143,459	$3,149	$23.10	$20.97 - $26.04
Q1 2017	57,600	$1,348	$19.78	$16.90 - $22.84
Q4 2016	57,600	$1,031	$16.61	$14.10 - $18.14
Q3 2016	57,600	$1,003	$15.71	$13.38 - $16.98
Q4 2015	137	$2	$12.79	$11.83 - $13.71
Q4 2014	138	$2	$12.28	$10.22 - $13.37