MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q4 2025

Shares 11,229 Value ($000) $1,794 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 9,051 Value ($000) $1,120 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 10,964 Value ($000) $1,089 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 10,850 Value ($000) $870 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 11,943 Value ($000) $1,247 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 11,820 Value ($000) $1,285 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 11,741 Value ($000) $1,533 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 10,694 Value ($000) $1,422 Avg Close $114.51 Range $94.23 - $132.85

Q4 2023

Shares 8,714 Value ($000) $896 Avg Close $79.84 Range $62.28 - $104.49

Q3 2023

Shares 8,826 Value ($000) $764 Avg Close $95.58 Range $81.25 - $107.67

Q2 2023

Shares 7,438 Value ($000) $804 Avg Close $89.53 Range $77.81 - $108.20

Q1 2023

Shares 7,052 Value ($000) $625 Avg Close $93.12 Range $80.00 - $111.27

Q4 2022

Shares 8,971 Value ($000) $760 Avg Close $78.00 Range $62.97 - $89.22

Q3 2022

Shares 8,594 Value ($000) $710 Avg Close $100.01 Range $79.23 - $120.27

Q2 2022

Shares 9,838 Value ($000) $1,010 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 13,699 Value ($000) $2,055 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 18,472 Value ($000) $3,218 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 12,910 Value ($000) $1,948 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 13,303 Value ($000) $2,367 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 12,063 Value ($000) $2,237 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 29,679 Value ($000) $4,465 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 25,145 Value ($000) $2,747 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 22,297 Value ($000) $2,525 Avg Close $95.31 Range $70.45 - $112.06

Q1 2020

Shares 12,507 Value ($000) $1,019 Avg Close $97.84 Range $64.00 - $116.86

Q4 2019

Shares 15,343 Value ($000) $1,688 Avg Close $99.99 Range $81.07 - $109.78

Q3 2019

Shares 9,629 Value ($000) $889 Avg Close $78.64 Range $68.69 - $91.29

Q2 2019

Shares 9,177 Value ($000) $715 Avg Close $80.27 Range $67.03 - $98.53

Q1 2019

Shares 9,374 Value ($000) $872 Avg Close $76.40 Range $59.36 - $88.91

Q4 2018

Shares 7,927 Value ($000) $512 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 10,068 Value ($000) $807 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 10,787 Value ($000) $1,032 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 17,688 Value ($000) $2,046 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 18,684 Value ($000) $1,766 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 8,513 Value ($000) $804 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 5,571 Value ($000) $375 Avg Close $70.74 Range $60.40 - $82.65

Q1 2017

Shares 7,381 Value ($000) $507 Avg Close $61.31 Range $54.85 - $65.67

Q4 2016

Shares 9,745 Value ($000) $579 Avg Close $50.13 Range $43.15 - $57.04

Q3 2016

Shares 6,318 Value ($000) $314 Avg Close $43.66 Range $38.22 - $50.60

Q2 2016

Shares 7,710 Value ($000) $332 Avg Close $35.80 Range $32.24 - $39.81

Q1 2016

Shares 7,753 Value ($000) $292 Avg Close $31.35 Range $28.08 - $35.11

Q4 2015

Shares 9,092 Value ($000) $327 Avg Close $32.52 Range $26.43 - $35.02

Q3 2015

Shares 6,086 Value ($000) $204 Avg Close $31.60 Range $28.82 - $34.92

Q2 2015

Shares 7,703 Value ($000) $292 Avg Close $32.93 Range $29.54 - $35.95

Q1 2015

Shares 11,772 Value ($000) $398 Avg Close $31.63 Range $29.59 - $33.22

Q4 2014

Shares 12,630 Value ($000) $462 Avg Close $31.69 Range $27.30 - $33.99

Q3 2014

Shares 22,382 Value ($000) $747 Avg Close $29.19 Range $27.47 - $31.20

Q2 2014

Shares 27,913 Value ($000) $872 Avg Close $25.69 Range $23.72 - $27.88

Q1 2014

Shares 54,760 Value ($000) $1,637 Avg Close $26.46 Range $25.10 - $28.61

Q3 2013

Shares 34,816 Value ($000) $926 Avg Close $23.28 Range $21.63 - $25.20

Q2 2013

Shares 35,981 Value ($000) $955 Avg Close $23.45 Range $21.31 - $25.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	11,229	$1,794	$148.21	$120.73 - $170.37
Q3 2025	9,051	$1,120	$106.31	$88.17 - $132.24
Q2 2025	10,964	$1,089	$80.86	$54.50 - $100.44
Q1 2025	10,850	$870	$100.21	$75.89 - $124.28
Q4 2024	11,943	$1,247	$106.91	$96.54 - $118.37
Q3 2024	11,820	$1,285	$117.45	$99.10 - $145.63
Q2 2024	11,741	$1,533	$124.55	$105.72 - $137.52
Q1 2024	10,694	$1,422	$114.51	$94.23 - $132.85
Q4 2023	8,714	$896	$79.84	$62.28 - $104.49
Q3 2023	8,826	$764	$95.58	$81.25 - $107.67
Q2 2023	7,438	$804	$89.53	$77.81 - $108.20
Q1 2023	7,052	$625	$93.12	$80.00 - $111.27
Q4 2022	8,971	$760	$78.00	$62.97 - $89.22
Q3 2022	8,594	$710	$100.01	$79.23 - $120.27
Q2 2022	9,838	$1,010	$112.92	$94.75 - $148.07
Q1 2022	13,699	$2,055	$150.35	$131.30 - $175.09
Q4 2021	18,472	$3,218	$151.09	$136.06 - $172.80
Q3 2021	12,910	$1,948	$148.13	$133.76 - $168.78
Q2 2021	13,303	$2,367	$175.09	$158.98 - $192.11
Q1 2021	12,063	$2,237	$161.78	$138.78 - $185.00
Q4 2020	29,679	$4,465	$125.75	$101.82 - $152.08
Q3 2020	25,145	$2,747	$112.47	$97.77 - $124.64
Q2 2020	22,297	$2,525	$95.31	$70.45 - $112.06
Q1 2020	12,507	$1,019	$97.84	$64.00 - $116.86
Q4 2019	15,343	$1,688	$99.99	$81.07 - $109.78
Q3 2019	9,629	$889	$78.64	$68.69 - $91.29
Q2 2019	9,177	$715	$80.27	$67.03 - $98.53
Q1 2019	9,374	$872	$76.40	$59.36 - $88.91
Q4 2018	7,927	$512	$68.31	$53.35 - $77.61
Q3 2018	10,068	$807	$86.11	$74.38 - $97.19
Q2 2018	10,787	$1,032	$102.60	$86.55 - $115.42
Q1 2018	17,688	$2,046	$103.13	$88.32 - $120.60
Q4 2017	18,684	$1,766	$93.43	$82.69 - $103.63
Q3 2017	8,513	$804	$76.52	$62.45 - $89.48
Q2 2017	5,571	$375	$70.74	$60.40 - $82.65
Q1 2017	7,381	$507	$61.31	$54.85 - $65.67
Q4 2016	9,745	$579	$50.13	$43.15 - $57.04
Q3 2016	6,318	$314	$43.66	$38.22 - $50.60
Q2 2016	7,710	$332	$35.80	$32.24 - $39.81
Q1 2016	7,753	$292	$31.35	$28.08 - $35.11
Q4 2015	9,092	$327	$32.52	$26.43 - $35.02
Q3 2015	6,086	$204	$31.60	$28.82 - $34.92
Q2 2015	7,703	$292	$32.93	$29.54 - $35.95
Q1 2015	11,772	$398	$31.63	$29.59 - $33.22
Q4 2014	12,630	$462	$31.69	$27.30 - $33.99
Q3 2014	22,382	$747	$29.19	$27.47 - $31.20
Q2 2014	27,913	$872	$25.69	$23.72 - $27.88
Q1 2014	54,760	$1,637	$26.46	$25.10 - $28.61
Q3 2013	34,816	$926	$23.28	$21.63 - $25.20
Q2 2013	35,981	$955	$23.45	$21.31 - $25.25