MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND's Holding History (CIK: 0001535845)

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

Q3 2025
Shares 112,892 Value ($000) $13,973 Avg Close $106.31 Range $88.17 - $132.24
Q3 2024
Shares 75,000 Value ($000) $8,153 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 27,300 Value ($000) $3,565 Avg Close $124.55 Range $105.72 - $137.52
Q3 2022
Shares 17,000 Value ($000) $1,405 Avg Close $100.01 Range $79.23 - $120.27
Q2 2022
Shares 64,000 Value ($000) $6,568 Avg Close $112.92 Range $94.75 - $148.07
Q1 2022
Shares 40,000 Value ($000) $6,000 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 95,700 Value ($000) $16,668 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 40,000 Value ($000) $6,036 Avg Close $148.13 Range $133.76 - $168.78
Q1 2021
Shares 36 Value ($000) $7 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 5,857 Value ($000) $881 Avg Close $125.75 Range $101.82 - $152.08
Q4 2019
Shares 113 Value ($000) $12 Avg Close $99.99 Range $81.07 - $109.78