MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025
Shares 1,117,487 Value ($000) $178,581 Avg Close $148.21 Range $120.73 - $170.37
Q3 2025
Shares 1,265,365 Value ($000) $156,602 Avg Close $106.31 Range $88.17 - $132.24
Q2 2025
Shares 967,515 Value ($000) $96,142 Avg Close $80.86 Range $54.50 - $100.44
Q1 2025
Shares 878,681 Value ($000) $70,425 Avg Close $100.21 Range $75.89 - $124.28
Q4 2024
Shares 626,143 Value ($000) $65,365 Avg Close $106.91 Range $96.54 - $118.37
Q3 2024
Shares 426,348 Value ($000) $46,356 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 372,394 Value ($000) $48,629 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 354,918 Value ($000) $47,204 Avg Close $114.51 Range $94.23 - $132.85
Q4 2023
Shares 246,807 Value ($000) $25,396 Avg Close $79.84 Range $62.28 - $104.49
Q3 2023
Shares 263,742 Value ($000) $22,824 Avg Close $95.58 Range $81.25 - $107.67
Q2 2023
Shares 288,510 Value ($000) $31,185 Avg Close $89.53 Range $77.81 - $108.20
Q1 2023
Shares 575,626 Value ($000) $51,012 Avg Close $93.12 Range $80.00 - $111.27
Q4 2022
Shares 584,757 Value ($000) $50 Avg Close $78.00 Range $62.97 - $89.22
Q3 2022
Shares 735,221 Value ($000) $60,766 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 692,062 Value ($000) $71,022 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 668,823 Value ($000) $100,340 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 666,917 Value ($000) $116,157 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 679,807 Value ($000) $102,591 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 674,187 Value ($000) $119,972 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 673,353 Value ($000) $124,845 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 668,534 Value ($000) $100,588 Avg Close $125.75 Range $101.82 - $152.08
Q3 2020
Shares 737,720 Value ($000) $80,585 Avg Close $112.47 Range $97.77 - $124.64
Q2 2020
Shares 769,276 Value ($000) $87,102 Avg Close $95.31 Range $70.45 - $112.06
Q1 2020
Shares 1,101,257 Value ($000) $89,699 Avg Close $97.84 Range $64.00 - $116.86
Q4 2019
Shares 1,235,889 Value ($000) $135,963 Avg Close $99.99 Range $81.07 - $109.78
Q3 2019
Shares 1,356,909 Value ($000) $125,212 Avg Close $78.64 Range $68.69 - $91.29
Q2 2019
Shares 1,399,457 Value ($000) $109,007 Avg Close $80.27 Range $67.03 - $98.53
Q1 2019
Shares 1,402,470 Value ($000) $130,492 Avg Close $76.40 Range $59.36 - $88.91
Q4 2018
Shares 1,473,137 Value ($000) $95,180 Avg Close $68.31 Range $53.35 - $77.61
Q3 2018
Shares 1,649,304 Value ($000) $132,192 Avg Close $86.11 Range $74.38 - $97.19
Q2 2018
Shares 1,703,181 Value ($000) $162,990 Avg Close $102.60 Range $86.55 - $115.42
Q1 2018
Shares 2,273,802 Value ($000) $262,965 Avg Close $103.13 Range $88.32 - $120.60
Q4 2017
Shares 2,656,308 Value ($000) $251,025 Avg Close $93.43 Range $82.69 - $103.63
Q3 2017
Shares 3,063,223 Value ($000) $289,320 Avg Close $76.52 Range $62.45 - $89.48
Q2 2017
Shares 3,461,053 Value ($000) $232,930 Avg Close $70.74 Range $60.40 - $82.65
Q1 2017
Shares 3,732,244 Value ($000) $256,591 Avg Close $61.31 Range $54.85 - $65.67
Q4 2016
Shares 4,226,764 Value ($000) $251,071 Avg Close $50.13 Range $43.15 - $57.04
Q3 2016
Shares 4,342,864 Value ($000) $215,970 Avg Close $43.66 Range $38.22 - $50.60
Q2 2016
Shares 4,365,641 Value ($000) $187,981 Avg Close $35.80 Range $32.24 - $39.81
Q1 2016
Shares 4,267,727 Value ($000) $160,679 Avg Close $31.35 Range $28.08 - $35.11
Q4 2015
Shares 4,055,129 Value ($000) $145,986 Avg Close $32.52 Range $26.43 - $35.02
Q3 2015
Shares 3,932,653 Value ($000) $131,860 Avg Close $31.60 Range $28.82 - $34.92
Q2 2015
Shares 3,727,338 Value ($000) $141,415 Avg Close $32.93 Range $29.54 - $35.95
Q1 2015
Shares 3,588,012 Value ($000) $121,311 Avg Close $31.63 Range $29.59 - $33.22
Q4 2014
Shares 3,613,792 Value ($000) $132,265 Avg Close $31.69 Range $27.30 - $33.99
Q3 2014
Shares 3,587,071 Value ($000) $119,738 Avg Close $29.19 Range $27.47 - $31.20
Q2 2014
Shares 3,559,724 Value ($000) $111,205 Avg Close $25.69 Range $23.72 - $27.88
Q1 2014
Shares 3,447,755 Value ($000) $103,052 Avg Close $26.46 Range $25.10 - $28.61
Q4 2013
Shares 3,353,991 Value ($000) $100,418 Avg Close $25.51 Range $23.10 - $27.14
Q3 2013
Shares 3,254,876 Value ($000) $86,547 Avg Close $23.28 Range $21.63 - $25.20
Q2 2013
Shares 3,179,104 Value ($000) $84,374 Avg Close $23.45 Range $21.31 - $25.25