MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2025
Shares 1,731 Value ($000) $0 Avg Close $100.21 Range $75.89 - $124.28
Q3 2024
Shares 4,046 Value ($000) $0 Avg Close $117.45 Range $99.10 - $145.63
Q2 2024
Shares 3,137 Value ($000) $0 Avg Close $124.55 Range $105.72 - $137.52
Q1 2024
Shares 2,085 Value ($000) $0 Avg Close $114.51 Range $94.23 - $132.85
Q1 2022
Shares 420 Value ($000) $63 Avg Close $150.35 Range $131.30 - $175.09
Q4 2021
Shares 749 Value ($000) $130 Avg Close $151.09 Range $136.06 - $172.80
Q3 2021
Shares 1,132 Value ($000) $193 Avg Close $148.13 Range $133.76 - $168.78
Q2 2021
Shares 432 Value ($000) $76 Avg Close $175.09 Range $158.98 - $192.11
Q1 2021
Shares 974 Value ($000) $180 Avg Close $161.78 Range $138.78 - $185.00
Q4 2020
Shares 331 Value ($000) $49 Avg Close $125.75 Range $101.82 - $152.08
Q3 2018
Shares 6,683 Value ($000) $535 Avg Close $86.11 Range $74.38 - $97.19
Q2 2018
Shares 7,325 Value ($000) $701 Avg Close $102.60 Range $86.55 - $115.42
Q4 2017
Shares 10,256 Value ($000) $969 Avg Close $93.43 Range $82.69 - $103.63
Q2 2017
Shares 5,868 Value ($000) $394 Avg Close $70.74 Range $60.40 - $82.65
Q3 2016
Shares 2,830 Value ($000) $140 Avg Close $43.66 Range $38.22 - $50.60
Q2 2016
Shares 501 Value ($000) $21 Avg Close $35.80 Range $32.24 - $39.81
Q1 2016
Shares 1,119 Value ($000) $42 Avg Close $31.35 Range $28.08 - $35.11
Q3 2015
Shares 855 Value ($000) $28 Avg Close $31.60 Range $28.82 - $34.92
Q2 2015
Shares 221 Value ($000) $8 Avg Close $32.93 Range $29.54 - $35.95
Q1 2015
Shares 898 Value ($000) $30 Avg Close $31.63 Range $29.59 - $33.22
Q4 2014
Shares 66 Value ($000) $2 Avg Close $31.69 Range $27.30 - $33.99