MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

TUDOR INVESTMENT CORP ET AL's Holding History (CIK: 0000923093)

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

Q4 2025

Shares 104,482 Value ($000) $16,696 Avg Close $148.21 Range $120.73 - $170.37

Q2 2023

Shares 31,823 Value ($000) $3,440 Avg Close $89.53 Range $77.81 - $108.20

Q1 2023

Shares 5,462 Value ($000) $0 Avg Close $93.12 Range $80.00 - $111.27

Q2 2022

Shares 24,782 Value ($000) $2,543 Avg Close $112.92 Range $94.75 - $148.07

Q4 2021

Shares 15,260 Value ($000) $2,658 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 34,111 Value ($000) $5,148 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 26,095 Value ($000) $4,644 Avg Close $175.09 Range $158.98 - $192.11

Q4 2020

Shares 10,814 Value ($000) $1,627 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 4,722 Value ($000) $516 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 11,474 Value ($000) $1,299 Avg Close $95.31 Range $70.45 - $112.06

Q4 2018

Shares 35,840 Value ($000) $2,316 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 24,593 Value ($000) $1,971 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 47,686 Value ($000) $4,564 Avg Close $102.60 Range $86.55 - $115.42

Q4 2017

Shares 9,368 Value ($000) $885 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 17,593 Value ($000) $1,662 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 12,388 Value ($000) $834 Avg Close $70.74 Range $60.40 - $82.65

Q1 2017

Shares 14,344 Value ($000) $986 Avg Close $61.31 Range $54.85 - $65.67

Q4 2016

Shares 6,561 Value ($000) $390 Avg Close $50.13 Range $43.15 - $57.04

Q3 2016

Shares 6,500 Value ($000) $323 Avg Close $43.66 Range $38.22 - $50.60

Q2 2016

Shares 7,700 Value ($000) $332 Avg Close $35.80 Range $32.24 - $39.81

Q1 2016

Shares 24,381 Value ($000) $918 Avg Close $31.35 Range $28.08 - $35.11

Q4 2015

Shares 6,234 Value ($000) $224 Avg Close $32.52 Range $26.43 - $35.02

Q3 2015

Shares 23,640 Value ($000) $793 Avg Close $31.60 Range $28.82 - $34.92

Q2 2015

Shares 18,150 Value ($000) $689 Avg Close $32.93 Range $29.54 - $35.95

Q1 2015

Shares 19,511 Value ($000) $660 Avg Close $31.63 Range $29.59 - $33.22

Q4 2014

Shares 23,539 Value ($000) $862 Avg Close $31.69 Range $27.30 - $33.99

Q3 2014

Shares 13,793 Value ($000) $460 Avg Close $29.19 Range $27.47 - $31.20

Q1 2014

Shares 7,396 Value ($000) $221 Avg Close $26.46 Range $25.10 - $28.61

Q4 2013

Shares 11,900 Value ($000) $356 Avg Close $25.51 Range $23.10 - $27.14

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	104,482	$16,696	$148.21	$120.73 - $170.37
Q2 2023	31,823	$3,440	$89.53	$77.81 - $108.20
Q1 2023	5,462	$0	$93.12	$80.00 - $111.27
Q2 2022	24,782	$2,543	$112.92	$94.75 - $148.07
Q4 2021	15,260	$2,658	$151.09	$136.06 - $172.80
Q3 2021	34,111	$5,148	$148.13	$133.76 - $168.78
Q2 2021	26,095	$4,644	$175.09	$158.98 - $192.11
Q4 2020	10,814	$1,627	$125.75	$101.82 - $152.08
Q3 2020	4,722	$516	$112.47	$97.77 - $124.64
Q2 2020	11,474	$1,299	$95.31	$70.45 - $112.06
Q4 2018	35,840	$2,316	$68.31	$53.35 - $77.61
Q3 2018	24,593	$1,971	$86.11	$74.38 - $97.19
Q2 2018	47,686	$4,564	$102.60	$86.55 - $115.42
Q4 2017	9,368	$885	$93.43	$82.69 - $103.63
Q3 2017	17,593	$1,662	$76.52	$62.45 - $89.48
Q2 2017	12,388	$834	$70.74	$60.40 - $82.65
Q1 2017	14,344	$986	$61.31	$54.85 - $65.67
Q4 2016	6,561	$390	$50.13	$43.15 - $57.04
Q3 2016	6,500	$323	$43.66	$38.22 - $50.60
Q2 2016	7,700	$332	$35.80	$32.24 - $39.81
Q1 2016	24,381	$918	$31.35	$28.08 - $35.11
Q4 2015	6,234	$224	$32.52	$26.43 - $35.02
Q3 2015	23,640	$793	$31.60	$28.82 - $34.92
Q2 2015	18,150	$689	$32.93	$29.54 - $35.95
Q1 2015	19,511	$660	$31.63	$29.59 - $33.22
Q4 2014	23,539	$862	$31.69	$27.30 - $33.99
Q3 2014	13,793	$460	$29.19	$27.47 - $31.20
Q1 2014	7,396	$221	$26.46	$25.10 - $28.61
Q4 2013	11,900	$356	$25.51	$23.10 - $27.14