MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

LOS ANGELES CAPITAL MANAGEMENT LLC's Holding History (CIK: 0001177206)

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

Q4 2025

Shares 295 Value ($000) $41 Avg Close $148.21 Range $120.73 - $170.37

Q4 2024

Shares 17,015 Value ($000) $1,776 Avg Close $106.91 Range $96.54 - $118.37

Q2 2022

Shares 2,682 Value ($000) $275 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 6,113 Value ($000) $917 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 6,113 Value ($000) $1,065 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 6,187 Value ($000) $934 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 6,187 Value ($000) $1,101 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 6,395 Value ($000) $1,186 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 7,995 Value ($000) $1,203 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 7,995 Value ($000) $873 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 6,691 Value ($000) $758 Avg Close $95.31 Range $70.45 - $112.06

Q1 2020

Shares 5,321 Value ($000) $433 Avg Close $97.84 Range $64.00 - $116.86

Q4 2019

Shares 5,532 Value ($000) $609 Avg Close $99.99 Range $81.07 - $109.78

Q3 2019

Shares 4,426 Value ($000) $408 Avg Close $78.64 Range $68.69 - $91.29

Q2 2019

Shares 65,342 Value ($000) $5,089 Avg Close $80.27 Range $67.03 - $98.53

Q1 2019

Shares 116,264 Value ($000) $10,818 Avg Close $76.40 Range $59.36 - $88.91

Q4 2018

Shares 28,885 Value ($000) $1,866 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 102,470 Value ($000) $8,213 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 92,474 Value ($000) $8,850 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 25,652 Value ($000) $2,967 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 25,997 Value ($000) $2,457 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 2,740 Value ($000) $259 Avg Close $76.52 Range $62.45 - $89.48

Q4 2016

Shares 14,550 Value ($000) $864 Avg Close $50.13 Range $43.15 - $57.04

Q3 2016

Shares 29,089 Value ($000) $1,447 Avg Close $43.66 Range $38.22 - $50.60

Q2 2016

Shares 29,664 Value ($000) $1,277 Avg Close $35.80 Range $32.24 - $39.81

Q1 2016

Shares 33,882 Value ($000) $1,276 Avg Close $31.35 Range $28.08 - $35.11

Q4 2015

Shares 18,353 Value ($000) $661 Avg Close $32.52 Range $26.43 - $35.02

Q3 2015

Shares 18,353 Value ($000) $615 Avg Close $31.60 Range $28.82 - $34.92

Q2 2015

Shares 26,143 Value ($000) $992 Avg Close $32.93 Range $29.54 - $35.95

Q1 2015

Shares 27,030 Value ($000) $914 Avg Close $31.63 Range $29.59 - $33.22

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	295	$41	$148.21	$120.73 - $170.37
Q4 2024	17,015	$1,776	$106.91	$96.54 - $118.37
Q2 2022	2,682	$275	$112.92	$94.75 - $148.07
Q1 2022	6,113	$917	$150.35	$131.30 - $175.09
Q4 2021	6,113	$1,065	$151.09	$136.06 - $172.80
Q3 2021	6,187	$934	$148.13	$133.76 - $168.78
Q2 2021	6,187	$1,101	$175.09	$158.98 - $192.11
Q1 2021	6,395	$1,186	$161.78	$138.78 - $185.00
Q4 2020	7,995	$1,203	$125.75	$101.82 - $152.08
Q3 2020	7,995	$873	$112.47	$97.77 - $124.64
Q2 2020	6,691	$758	$95.31	$70.45 - $112.06
Q1 2020	5,321	$433	$97.84	$64.00 - $116.86
Q4 2019	5,532	$609	$99.99	$81.07 - $109.78
Q3 2019	4,426	$408	$78.64	$68.69 - $91.29
Q2 2019	65,342	$5,089	$80.27	$67.03 - $98.53
Q1 2019	116,264	$10,818	$76.40	$59.36 - $88.91
Q4 2018	28,885	$1,866	$68.31	$53.35 - $77.61
Q3 2018	102,470	$8,213	$86.11	$74.38 - $97.19
Q2 2018	92,474	$8,850	$102.60	$86.55 - $115.42
Q1 2018	25,652	$2,967	$103.13	$88.32 - $120.60
Q4 2017	25,997	$2,457	$93.43	$82.69 - $103.63
Q3 2017	2,740	$259	$76.52	$62.45 - $89.48
Q4 2016	14,550	$864	$50.13	$43.15 - $57.04
Q3 2016	29,089	$1,447	$43.66	$38.22 - $50.60
Q2 2016	29,664	$1,277	$35.80	$32.24 - $39.81
Q1 2016	33,882	$1,276	$31.35	$28.08 - $35.11
Q4 2015	18,353	$661	$32.52	$26.43 - $35.02
Q3 2015	18,353	$615	$31.60	$28.82 - $34.92
Q2 2015	26,143	$992	$32.93	$29.54 - $35.95
Q1 2015	27,030	$914	$31.63	$29.59 - $33.22