MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q4 2025
Shares 550,735 Value ($000) $88,007 Avg Close $148.21 Range $120.73 - $170.37
Q3 2025
Shares 1,080,763 Value ($000) $133,766 Avg Close $106.31 Range $88.17 - $132.24
Q2 2025
Shares 912,380 Value ($000) $90,654 Avg Close $80.86 Range $54.50 - $100.44
Q1 2025
Shares 370,286 Value ($000) $29,678 Avg Close $100.21 Range $75.89 - $124.28
Q4 2024
Shares 363,428 Value ($000) $37,938 Avg Close $106.91 Range $96.54 - $118.37
Q3 2024
Shares 357,822 Value ($000) $38,899 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 435,963 Value ($000) $56,928 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 646,877 Value ($000) $86,035 Avg Close $114.51 Range $94.23 - $132.85
Q4 2023
Shares 545,516 Value ($000) $56,117 Avg Close $79.84 Range $62.28 - $104.49
Q3 2023
Shares 454,560 Value ($000) $39,338 Avg Close $95.58 Range $81.25 - $107.67
Q2 2023
Shares 519,718 Value ($000) $56,182 Avg Close $89.53 Range $77.81 - $108.20
Q1 2023
Shares 353,613 Value ($000) $31,337 Avg Close $93.12 Range $80.00 - $111.27
Q4 2022
Shares 436,895 Value ($000) $37,018 Avg Close $78.00 Range $62.97 - $89.22
Q3 2022
Shares 207,958 Value ($000) $17,186 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 76,547 Value ($000) $7,856 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 111,612 Value ($000) $16,742 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 207,427 Value ($000) $36,128 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 58,912 Value ($000) $8,890 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 66,664 Value ($000) $11,863 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 64,675 Value ($000) $11,992 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 343,187 Value ($000) $51,632 Avg Close $125.75 Range $101.82 - $152.08
Q3 2020
Shares 393,541 Value ($000) $42,986 Avg Close $112.47 Range $97.77 - $124.64
Q2 2020
Shares 406,701 Value ($000) $46,055 Avg Close $95.31 Range $70.45 - $112.06
Q1 2020
Shares 534,282 Value ($000) $43,517 Avg Close $97.84 Range $64.00 - $116.86
Q4 2019
Shares 586,743 Value ($000) $64,548 Avg Close $99.99 Range $81.07 - $109.78
Q3 2019
Shares 540,760 Value ($000) $49,901 Avg Close $78.64 Range $68.69 - $91.29
Q2 2019
Shares 323,196 Value ($000) $25,174 Avg Close $80.27 Range $67.03 - $98.53
Q1 2019
Shares 72,079 Value ($000) $6,707 Avg Close $76.40 Range $59.36 - $88.91