MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

STATE OF WISCONSIN INVESTMENT BOARD's Holding History (CIK: 0000854157)

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

Q4 2025
Shares 45,616 Value ($000) $7,289 Avg Close $148.21 Range $120.73 - $170.37
Q3 2025
Shares 41,572 Value ($000) $5,145 Avg Close $106.31 Range $88.17 - $132.24
Q2 2025
Shares 46,212 Value ($000) $4,592 Avg Close $80.86 Range $54.50 - $100.44
Q1 2025
Shares 58,861 Value ($000) $4,718 Avg Close $100.21 Range $75.89 - $124.28
Q4 2024
Shares 49,320 Value ($000) $5,149 Avg Close $106.91 Range $96.54 - $118.37
Q3 2024
Shares 62,238 Value ($000) $6,766 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 57,875 Value ($000) $7,557 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 49,292 Value ($000) $6,556 Avg Close $114.51 Range $94.23 - $132.85
Q4 2023
Shares 37,431 Value ($000) $3,851 Avg Close $79.84 Range $62.28 - $104.49
Q3 2023
Shares 61,647 Value ($000) $5,335 Avg Close $95.58 Range $81.25 - $107.67
Q2 2023
Shares 68,130 Value ($000) $7,365 Avg Close $89.53 Range $77.81 - $108.20
Q1 2023
Shares 74,225 Value ($000) $6,578 Avg Close $93.12 Range $80.00 - $111.27
Q4 2022
Shares 80,960 Value ($000) $6,860 Avg Close $78.00 Range $62.97 - $89.22
Q3 2022
Shares 86,775 Value ($000) $7,171 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 88,829 Value ($000) $9,117 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 78,949 Value ($000) $11,842 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 73,224 Value ($000) $12,753 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 73,430 Value ($000) $11,081 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 73,103 Value ($000) $13,009 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 87,024 Value ($000) $16,136 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 93,027 Value ($000) $13,996 Avg Close $125.75 Range $101.82 - $152.08
Q3 2020
Shares 115,517 Value ($000) $12,618 Avg Close $112.47 Range $97.77 - $124.64
Q2 2020
Shares 142,377 Value ($000) $16,123 Avg Close $95.31 Range $70.45 - $112.06
Q1 2020
Shares 153,027 Value ($000) $12,464 Avg Close $97.84 Range $64.00 - $116.86
Q4 2019
Shares 153,347 Value ($000) $16,870 Avg Close $99.99 Range $81.07 - $109.78
Q3 2019
Shares 185,847 Value ($000) $17,150 Avg Close $78.64 Range $68.69 - $91.29
Q2 2019
Shares 197,705 Value ($000) $15,399 Avg Close $80.27 Range $67.03 - $98.53
Q1 2019
Shares 214,405 Value ($000) $19,950 Avg Close $76.40 Range $59.36 - $88.91
Q4 2018
Shares 175,595 Value ($000) $11,345 Avg Close $68.31 Range $53.35 - $77.61
Q3 2018
Shares 175,685 Value ($000) $14,081 Avg Close $86.11 Range $74.38 - $97.19
Q2 2018
Shares 175,928 Value ($000) $16,836 Avg Close $102.60 Range $86.55 - $115.42
Q1 2018
Shares 165,300 Value ($000) $19,117 Avg Close $103.13 Range $88.32 - $120.60
Q4 2017
Shares 181,100 Value ($000) $17,114 Avg Close $93.43 Range $82.69 - $103.63
Q3 2017
Shares 181,100 Value ($000) $17,105 Avg Close $76.52 Range $62.45 - $89.48
Q2 2017
Shares 181,100 Value ($000) $12,188 Avg Close $70.74 Range $60.40 - $82.65
Q1 2017
Shares 194,971 Value ($000) $13,404 Avg Close $61.31 Range $54.85 - $65.67
Q4 2016
Shares 194,971 Value ($000) $11,581 Avg Close $50.13 Range $43.15 - $57.04
Q3 2016
Shares 230,972 Value ($000) $11,486 Avg Close $43.66 Range $38.22 - $50.60
Q2 2016
Shares 235,972 Value ($000) $10,161 Avg Close $35.80 Range $32.24 - $39.81
Q1 2016
Shares 235,972 Value ($000) $8,884 Avg Close $31.35 Range $28.08 - $35.11
Q4 2015
Shares 225,972 Value ($000) $8,135 Avg Close $32.52 Range $26.43 - $35.02
Q3 2015
Shares 223,910 Value ($000) $7,508 Avg Close $31.60 Range $28.82 - $34.92
Q2 2015
Shares 223,910 Value ($000) $8,495 Avg Close $32.93 Range $29.54 - $35.95
Q1 2015
Shares 223,910 Value ($000) $7,570 Avg Close $31.63 Range $29.59 - $33.22
Q4 2014
Shares 223,910 Value ($000) $8,195 Avg Close $31.69 Range $27.30 - $33.99
Q3 2014
Shares 290,676 Value ($000) $9,703 Avg Close $29.19 Range $27.47 - $31.20
Q2 2014
Shares 290,676 Value ($000) $9,081 Avg Close $25.69 Range $23.72 - $27.88
Q1 2014
Shares 306,542 Value ($000) $9,163 Avg Close $26.46 Range $25.10 - $28.61
Q4 2013
Shares 306,542 Value ($000) $9,178 Avg Close $25.51 Range $23.10 - $27.14
Q3 2013
Shares 307,261 Value ($000) $8,170 Avg Close $23.28 Range $21.63 - $25.20
Q2 2013
Shares 334,619 Value ($000) $8,881 Avg Close $23.45 Range $21.31 - $25.25