MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

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

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

Q4 2025
Shares 126,058 Value ($000) $20,145 Avg Close $148.21 Range $120.73 - $170.37
Q3 2025
Shares 112,170 Value ($000) $13,884 Avg Close $106.31 Range $88.17 - $132.24
Q2 2025
Shares 109,350 Value ($000) $10,866 Avg Close $80.86 Range $54.50 - $100.44
Q1 2025
Shares 145,103 Value ($000) $11,629 Avg Close $100.21 Range $75.89 - $124.28
Q4 2024
Shares 151,025 Value ($000) $15,766 Avg Close $106.91 Range $96.54 - $118.37
Q3 2024
Shares 114,304 Value ($000) $12,426 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 46,151 Value ($000) $6,027 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 45,274 Value ($000) $6,022 Avg Close $114.51 Range $94.23 - $132.85
Q4 2023
Shares 48,398 Value ($000) $4,979 Avg Close $79.84 Range $62.28 - $104.49
Q3 2023
Shares 53,820 Value ($000) $4,658 Avg Close $95.58 Range $81.25 - $107.67
Q2 2023
Shares 52,878 Value ($000) $5,716 Avg Close $89.53 Range $77.81 - $108.20
Q1 2023
Shares 58,291 Value ($000) $5,166 Avg Close $93.12 Range $80.00 - $111.27
Q4 2022
Shares 59,846 Value ($000) $5,071 Avg Close $78.00 Range $62.97 - $89.22
Q3 2022
Shares 34,139 Value ($000) $2,821 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 71,446 Value ($000) $7,337 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 54,900 Value ($000) $8,236 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 66,363 Value ($000) $11,569 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 63,090 Value ($000) $9,530 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 57,555 Value ($000) $10,243 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 62,712 Value ($000) $11,381 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 76,389 Value ($000) $11,503 Avg Close $125.75 Range $101.82 - $152.08
Q3 2020
Shares 77,066 Value ($000) $8,417 Avg Close $112.47 Range $97.77 - $124.64
Q2 2020
Shares 91,574 Value ($000) $10,344 Avg Close $95.31 Range $70.45 - $112.06
Q1 2020
Shares 84,462 Value ($000) $6,879 Avg Close $97.84 Range $64.00 - $116.86
Q4 2019
Shares 90,527 Value ($000) $9,959 Avg Close $99.99 Range $81.07 - $109.78
Q3 2019
Shares 75,715 Value ($000) $6,987 Avg Close $78.64 Range $68.69 - $91.29
Q2 2019
Shares 90,952 Value ($000) $7,084 Avg Close $80.27 Range $67.03 - $98.53
Q1 2019
Shares 94,084 Value ($000) $8,754 Avg Close $76.40 Range $59.36 - $88.91
Q4 2018
Shares 88,844 Value ($000) $7,121 Avg Close $68.31 Range $53.35 - $77.61
Q3 2018
Shares 90,153 Value ($000) $7,210 Avg Close $86.11 Range $74.38 - $97.19
Q2 2018
Shares 91,941 Value ($000) $8,798 Avg Close $102.60 Range $86.55 - $115.42
Q1 2018
Shares 51,158 Value ($000) $5,917 Avg Close $103.13 Range $88.32 - $120.60
Q4 2017
Shares 51,670 Value ($000) $4,883 Avg Close $93.43 Range $82.69 - $103.63
Q3 2017
Shares 53,058 Value ($000) $5,011 Avg Close $76.52 Range $62.45 - $89.48
Q2 2017
Shares 4,003 Value ($000) $269 Avg Close $70.74 Range $60.40 - $82.65
Q1 2017
Shares 3,690 Value ($000) $254 Avg Close $61.31 Range $54.85 - $65.67
Q4 2016
Shares 3,681 Value ($000) $219 Avg Close $50.13 Range $43.15 - $57.04
Q3 2016
Shares 3,675 Value ($000) $182 Avg Close $43.66 Range $38.22 - $50.60
Q2 2016
Shares 1,538 Value ($000) $67 Avg Close $35.80 Range $32.24 - $39.81
Q1 2016
Shares 598 Value ($000) $23 Avg Close $31.35 Range $28.08 - $35.11
Q4 2015
Shares 473 Value ($000) $17 Avg Close $32.52 Range $26.43 - $35.02
Q3 2015
Shares 398 Value ($000) $14 Avg Close $31.60 Range $28.82 - $34.92
Q2 2015
Shares 398 Value ($000) $15 Avg Close $32.93 Range $29.54 - $35.95
Q1 2015
Shares 6,883 Value ($000) $233 Avg Close $31.63 Range $29.59 - $33.22
Q4 2014
Shares 11,425 Value ($000) $418 Avg Close $31.69 Range $27.30 - $33.99