MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

GHP Investment Advisors, Inc.'s Holding History (CIK: 0001401561)

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

Q4 2025

Shares 47,561 Value ($000) $7,600 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 46,184 Value ($000) $5,716 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 45,683 Value ($000) $4,539 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 47,194 Value ($000) $3,783 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 47,135 Value ($000) $4,920 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 47,054 Value ($000) $5,115 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 46,864 Value ($000) $6,119 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 46,684 Value ($000) $6,209 Avg Close $114.51 Range $94.23 - $132.85

Q4 2023

Shares 47,522 Value ($000) $4,889 Avg Close $79.84 Range $62.28 - $104.49

Q3 2023

Shares 48,593 Value ($000) $3,858 Avg Close $95.58 Range $81.25 - $107.67

Q2 2023

Shares 47,831 Value ($000) $4,500 Avg Close $89.53 Range $77.81 - $108.20

Q1 2023

Shares 45,890 Value ($000) $4,067 Avg Close $93.12 Range $80.00 - $111.27

Q4 2022

Shares 45,744 Value ($000) $3,876 Avg Close $78.00 Range $62.97 - $89.22

Q3 2022

Shares 46,767 Value ($000) $3,865 Avg Close $100.01 Range $79.23 - $120.27

Q2 2022

Shares 45,917 Value ($000) $4,712 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 45,962 Value ($000) $6,894 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 45,653 Value ($000) $7,951 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 46,087 Value ($000) $6,955 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 46,382 Value ($000) $8,254 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 46,882 Value ($000) $8,693 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 47,788 Value ($000) $7,190 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 47,721 Value ($000) $5,213 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 48,360 Value ($000) $5,476 Avg Close $95.31 Range $70.45 - $112.06

Q1 2020

Shares 48,140 Value ($000) $3,921 Avg Close $97.84 Range $64.00 - $116.86

Q4 2019

Shares 46,858 Value ($000) $5,155 Avg Close $99.99 Range $81.07 - $109.78

Q3 2019

Shares 45,636 Value ($000) $4,211 Avg Close $78.64 Range $68.69 - $91.29

Q2 2019

Shares 43,632 Value ($000) $3,398 Avg Close $80.27 Range $67.03 - $98.53

Q1 2019

Shares 41,581 Value ($000) $3,869 Avg Close $76.40 Range $59.36 - $88.91

Q4 2018

Shares 39,502 Value ($000) $2,552 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 40,369 Value ($000) $3,236 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 39,776 Value ($000) $3,807 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 37,650 Value ($000) $4,354 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 36,868 Value ($000) $3,484 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 35,672 Value ($000) $3,369 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 34,083 Value ($000) $2,294 Avg Close $70.74 Range $60.40 - $82.65

Q1 2017

Shares 33,591 Value ($000) $2,309 Avg Close $61.31 Range $54.85 - $65.67

Q4 2016

Shares 33,609 Value ($000) $1,996 Avg Close $50.13 Range $43.15 - $57.04

Q3 2016

Shares 32,138 Value ($000) $1,598 Avg Close $43.66 Range $38.22 - $50.60

Q2 2016

Shares 31,900 Value ($000) $1,374 Avg Close $35.80 Range $32.24 - $39.81

Q1 2016

Shares 30,742 Value ($000) $1,157 Avg Close $31.35 Range $28.08 - $35.11

Q4 2015

Shares 28,769 Value ($000) $1,036 Avg Close $32.52 Range $26.43 - $35.02

Q3 2015

Shares 26,269 Value ($000) $881 Avg Close $31.60 Range $28.82 - $34.92

Q2 2015

Shares 22,167 Value ($000) $782 Avg Close $32.93 Range $29.54 - $35.95

Q1 2015

Shares 13,793 Value ($000) $466 Avg Close $31.63 Range $29.59 - $33.22

Q4 2014

Shares 11,930 Value ($000) $437 Avg Close $31.69 Range $27.30 - $33.99

Q3 2014

Shares 11,377 Value ($000) $380 Avg Close $29.19 Range $27.47 - $31.20

Q2 2014

Shares 10,723 Value ($000) $335 Avg Close $25.69 Range $23.72 - $27.88

Q1 2014

Shares 8,860 Value ($000) $265 Avg Close $26.46 Range $25.10 - $28.61

Q4 2013

Shares 8,566 Value ($000) $256 Avg Close $25.51 Range $23.10 - $27.14

Q3 2013

Shares 7,554 Value ($000) $201 Avg Close $23.28 Range $21.63 - $25.20

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	47,561	$7,600	$148.21	$120.73 - $170.37
Q3 2025	46,184	$5,716	$106.31	$88.17 - $132.24
Q2 2025	45,683	$4,539	$80.86	$54.50 - $100.44
Q1 2025	47,194	$3,783	$100.21	$75.89 - $124.28
Q4 2024	47,135	$4,920	$106.91	$96.54 - $118.37
Q3 2024	47,054	$5,115	$117.45	$99.10 - $145.63
Q2 2024	46,864	$6,119	$124.55	$105.72 - $137.52
Q1 2024	46,684	$6,209	$114.51	$94.23 - $132.85
Q4 2023	47,522	$4,889	$79.84	$62.28 - $104.49
Q3 2023	48,593	$3,858	$95.58	$81.25 - $107.67
Q2 2023	47,831	$4,500	$89.53	$77.81 - $108.20
Q1 2023	45,890	$4,067	$93.12	$80.00 - $111.27
Q4 2022	45,744	$3,876	$78.00	$62.97 - $89.22
Q3 2022	46,767	$3,865	$100.01	$79.23 - $120.27
Q2 2022	45,917	$4,712	$112.92	$94.75 - $148.07
Q1 2022	45,962	$6,894	$150.35	$131.30 - $175.09
Q4 2021	45,653	$7,951	$151.09	$136.06 - $172.80
Q3 2021	46,087	$6,955	$148.13	$133.76 - $168.78
Q2 2021	46,382	$8,254	$175.09	$158.98 - $192.11
Q1 2021	46,882	$8,693	$161.78	$138.78 - $185.00
Q4 2020	47,788	$7,190	$125.75	$101.82 - $152.08
Q3 2020	47,721	$5,213	$112.47	$97.77 - $124.64
Q2 2020	48,360	$5,476	$95.31	$70.45 - $112.06
Q1 2020	48,140	$3,921	$97.84	$64.00 - $116.86
Q4 2019	46,858	$5,155	$99.99	$81.07 - $109.78
Q3 2019	45,636	$4,211	$78.64	$68.69 - $91.29
Q2 2019	43,632	$3,398	$80.27	$67.03 - $98.53
Q1 2019	41,581	$3,869	$76.40	$59.36 - $88.91
Q4 2018	39,502	$2,552	$68.31	$53.35 - $77.61
Q3 2018	40,369	$3,236	$86.11	$74.38 - $97.19
Q2 2018	39,776	$3,807	$102.60	$86.55 - $115.42
Q1 2018	37,650	$4,354	$103.13	$88.32 - $120.60
Q4 2017	36,868	$3,484	$93.43	$82.69 - $103.63
Q3 2017	35,672	$3,369	$76.52	$62.45 - $89.48
Q2 2017	34,083	$2,294	$70.74	$60.40 - $82.65
Q1 2017	33,591	$2,309	$61.31	$54.85 - $65.67
Q4 2016	33,609	$1,996	$50.13	$43.15 - $57.04
Q3 2016	32,138	$1,598	$43.66	$38.22 - $50.60
Q2 2016	31,900	$1,374	$35.80	$32.24 - $39.81
Q1 2016	30,742	$1,157	$31.35	$28.08 - $35.11
Q4 2015	28,769	$1,036	$32.52	$26.43 - $35.02
Q3 2015	26,269	$881	$31.60	$28.82 - $34.92
Q2 2015	22,167	$782	$32.93	$29.54 - $35.95
Q1 2015	13,793	$466	$31.63	$29.59 - $33.22
Q4 2014	11,930	$437	$31.69	$27.30 - $33.99
Q3 2014	11,377	$380	$29.19	$27.47 - $31.20
Q2 2014	10,723	$335	$25.69	$23.72 - $27.88
Q1 2014	8,860	$265	$26.46	$25.10 - $28.61
Q4 2013	8,566	$256	$25.51	$23.10 - $27.14
Q3 2013	7,554	$201	$23.28	$21.63 - $25.20