MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Rafferty Asset Management, LLC's Holding History (CIK: 0001389426)

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

Q2 2025
Shares 878,114 Value ($000) $87,249 Avg Close $80.86 Range $54.50 - $100.44
Q1 2025
Shares 537,469 Value ($000) $43,078 Avg Close $100.21 Range $75.89 - $124.28
Q4 2024
Shares 576,566 Value ($000) $60,188 Avg Close $106.91 Range $96.54 - $118.37
Q3 2024
Shares 589,378 Value ($000) $64,071 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 543,937 Value ($000) $71,027 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 595,894 Value ($000) $79,254 Avg Close $114.51 Range $94.23 - $132.85
Q4 2023
Shares 399,500 Value ($000) $41,097 Avg Close $79.84 Range $62.28 - $104.49
Q3 2023
Shares 347,007 Value ($000) $30,030 Avg Close $95.58 Range $81.25 - $107.67
Q2 2023
Shares 352,218 Value ($000) $38,075 Avg Close $89.53 Range $77.81 - $108.20
Q1 2023
Shares 260,839 Value ($000) $23,116 Avg Close $93.12 Range $80.00 - $111.27
Q4 2022
Shares 243,678 Value ($000) $20,647 Avg Close $78.00 Range $62.97 - $89.22
Q3 2022
Shares 193,878 Value ($000) $16,022 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 201,810 Value ($000) $20,712 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 241,327 Value ($000) $36,199 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 193,168 Value ($000) $33,644 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 127,094 Value ($000) $19,180 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 164,304 Value ($000) $29,238 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 148,740 Value ($000) $27,579 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 66,558 Value ($000) $10,014 Avg Close $125.75 Range $101.82 - $152.08
Q3 2020
Shares 67,021 Value ($000) $7,321 Avg Close $112.47 Range $97.77 - $124.64
Q2 2020
Shares 59,114 Value ($000) $6,694 Avg Close $95.31 Range $70.45 - $112.06
Q1 2020
Shares 18,606 Value ($000) $1,515 Avg Close $97.84 Range $64.00 - $116.86
Q4 2019
Shares 30,324 Value ($000) $3,336 Avg Close $99.99 Range $81.07 - $109.78
Q3 2019
Shares 26,214 Value ($000) $2,419 Avg Close $78.64 Range $68.69 - $91.29
Q2 2019
Shares 43,866 Value ($000) $3,417 Avg Close $80.27 Range $67.03 - $98.53
Q1 2019
Shares 41,738 Value ($000) $3,884 Avg Close $76.40 Range $59.36 - $88.91
Q4 2018
Shares 37,632 Value ($000) $2,431 Avg Close $68.31 Range $53.35 - $77.61
Q3 2018
Shares 39,369 Value ($000) $3,155 Avg Close $86.11 Range $74.38 - $97.19
Q2 2018
Shares 59,051 Value ($000) $5,651 Avg Close $102.60 Range $86.55 - $115.42
Q1 2018
Shares 60,193 Value ($000) $6,961 Avg Close $103.13 Range $88.32 - $120.60
Q4 2017
Shares 48,240 Value ($000) $4,559 Avg Close $93.43 Range $82.69 - $103.63
Q3 2017
Shares 28,940 Value ($000) $2,733 Avg Close $76.52 Range $62.45 - $89.48
Q2 2017
Shares 25,551 Value ($000) $1,720 Avg Close $70.74 Range $60.40 - $82.65
Q1 2017
Shares 16,723 Value ($000) $1,150 Avg Close $61.31 Range $54.85 - $65.67
Q2 2016
Shares 14,304 Value ($000) $616 Avg Close $35.80 Range $32.24 - $39.81