MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

NORTHERN TRUST CORP's Holding History (CIK: 0000073124)

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

Q4 2025

Shares 565,986 Value ($000) $90,445 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 591,899 Value ($000) $73,259 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 606,878 Value ($000) $60,299 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 634,204 Value ($000) $50,831 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 608,382 Value ($000) $63,509 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 505,125 Value ($000) $54,912 Avg Close $117.45 Range $99.10 - $145.63

Q2 2024

Shares 497,094 Value ($000) $64,911 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 437,583 Value ($000) $58,199 Avg Close $114.51 Range $94.23 - $132.85

Q4 2023

Shares 483,904 Value ($000) $49,779 Avg Close $79.84 Range $62.28 - $104.49

Q3 2023

Shares 480,717 Value ($000) $41,601 Avg Close $95.58 Range $81.25 - $107.67

Q2 2023

Shares 471,545 Value ($000) $50,974 Avg Close $89.53 Range $77.81 - $108.20

Q1 2023

Shares 453,976 Value ($000) $40,231 Avg Close $93.12 Range $80.00 - $111.27

Q4 2022

Shares 454,021 Value ($000) $38,469 Avg Close $78.00 Range $62.97 - $89.22

Q3 2022

Shares 429,784 Value ($000) $35,518 Avg Close $100.01 Range $79.23 - $120.27

Q2 2022

Shares 418,742 Value ($000) $42,976 Avg Close $112.92 Range $94.75 - $148.07

Q1 2022

Shares 438,032 Value ($000) $65,705 Avg Close $150.35 Range $131.30 - $175.09

Q4 2021

Shares 441,399 Value ($000) $76,879 Avg Close $151.09 Range $136.06 - $172.80

Q3 2021

Shares 445,492 Value ($000) $67,229 Avg Close $148.13 Range $133.76 - $168.78

Q2 2021

Shares 463,282 Value ($000) $82,441 Avg Close $175.09 Range $158.98 - $192.11

Q1 2021

Shares 472,640 Value ($000) $87,637 Avg Close $161.78 Range $138.78 - $185.00

Q4 2020

Shares 439,340 Value ($000) $66,099 Avg Close $125.75 Range $101.82 - $152.08

Q3 2020

Shares 442,994 Value ($000) $48,388 Avg Close $112.47 Range $97.77 - $124.64

Q2 2020

Shares 458,796 Value ($000) $51,954 Avg Close $95.31 Range $70.45 - $112.06

Q1 2020

Shares 450,257 Value ($000) $36,673 Avg Close $97.84 Range $64.00 - $116.86

Q4 2019

Shares 438,327 Value ($000) $48,221 Avg Close $99.99 Range $81.07 - $109.78

Q3 2019

Shares 425,530 Value ($000) $39,268 Avg Close $78.64 Range $68.69 - $91.29

Q2 2019

Shares 437,551 Value ($000) $34,080 Avg Close $80.27 Range $67.03 - $98.53

Q1 2019

Shares 431,886 Value ($000) $40,188 Avg Close $76.40 Range $59.36 - $88.91

Q4 2018

Shares 425,809 Value ($000) $27,511 Avg Close $68.31 Range $53.35 - $77.61

Q3 2018

Shares 445,901 Value ($000) $35,739 Avg Close $86.11 Range $74.38 - $97.19

Q2 2018

Shares 500,198 Value ($000) $47,868 Avg Close $102.60 Range $86.55 - $115.42

Q1 2018

Shares 868,063 Value ($000) $100,391 Avg Close $103.13 Range $88.32 - $120.60

Q4 2017

Shares 873,908 Value ($000) $82,584 Avg Close $93.43 Range $82.69 - $103.63

Q3 2017

Shares 738,524 Value ($000) $69,753 Avg Close $76.52 Range $62.45 - $89.48

Q2 2017

Shares 742,249 Value ($000) $49,954 Avg Close $70.74 Range $60.40 - $82.65

Q1 2017

Shares 709,548 Value ($000) $48,781 Avg Close $61.31 Range $54.85 - $65.67

Q4 2016

Shares 703,062 Value ($000) $41,762 Avg Close $50.13 Range $43.15 - $57.04

Q3 2016

Shares 1,307,980 Value ($000) $65,046 Avg Close $43.66 Range $38.22 - $50.60

Q2 2016

Shares 1,792,407 Value ($000) $77,181 Avg Close $35.80 Range $32.24 - $39.81

Q1 2016

Shares 1,773,613 Value ($000) $66,776 Avg Close $31.35 Range $28.08 - $35.11

Q4 2015

Shares 1,758,440 Value ($000) $63,304 Avg Close $32.52 Range $26.43 - $35.02

Q3 2015

Shares 1,777,080 Value ($000) $59,586 Avg Close $31.60 Range $28.82 - $34.92

Q2 2015

Shares 1,586,842 Value ($000) $60,205 Avg Close $32.93 Range $29.54 - $35.95

Q1 2015

Shares 1,552,398 Value ($000) $52,487 Avg Close $31.63 Range $29.59 - $33.22

Q4 2014

Shares 1,553,325 Value ($000) $56,852 Avg Close $31.69 Range $27.30 - $33.99

Q3 2014

Shares 1,574,174 Value ($000) $52,546 Avg Close $29.19 Range $27.47 - $31.20

Q2 2014

Shares 1,542,349 Value ($000) $48,183 Avg Close $25.69 Range $23.72 - $27.88

Q1 2014

Shares 1,555,029 Value ($000) $46,480 Avg Close $26.46 Range $25.10 - $28.61

Q4 2013

Shares 1,604,971 Value ($000) $48,020 Avg Close $25.51 Range $23.10 - $27.14

Q3 2013

Shares 1,550,920 Value ($000) $41,239 Avg Close $23.28 Range $21.63 - $25.20

Q2 2013

Shares 1,500,706 Value ($000) $39,828 Avg Close $23.45 Range $21.31 - $25.25

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	565,986	$90,445	$148.21	$120.73 - $170.37
Q3 2025	591,899	$73,259	$106.31	$88.17 - $132.24
Q2 2025	606,878	$60,299	$80.86	$54.50 - $100.44
Q1 2025	634,204	$50,831	$100.21	$75.89 - $124.28
Q4 2024	608,382	$63,509	$106.91	$96.54 - $118.37
Q3 2024	505,125	$54,912	$117.45	$99.10 - $145.63
Q2 2024	497,094	$64,911	$124.55	$105.72 - $137.52
Q1 2024	437,583	$58,199	$114.51	$94.23 - $132.85
Q4 2023	483,904	$49,779	$79.84	$62.28 - $104.49
Q3 2023	480,717	$41,601	$95.58	$81.25 - $107.67
Q2 2023	471,545	$50,974	$89.53	$77.81 - $108.20
Q1 2023	453,976	$40,231	$93.12	$80.00 - $111.27
Q4 2022	454,021	$38,469	$78.00	$62.97 - $89.22
Q3 2022	429,784	$35,518	$100.01	$79.23 - $120.27
Q2 2022	418,742	$42,976	$112.92	$94.75 - $148.07
Q1 2022	438,032	$65,705	$150.35	$131.30 - $175.09
Q4 2021	441,399	$76,879	$151.09	$136.06 - $172.80
Q3 2021	445,492	$67,229	$148.13	$133.76 - $168.78
Q2 2021	463,282	$82,441	$175.09	$158.98 - $192.11
Q1 2021	472,640	$87,637	$161.78	$138.78 - $185.00
Q4 2020	439,340	$66,099	$125.75	$101.82 - $152.08
Q3 2020	442,994	$48,388	$112.47	$97.77 - $124.64
Q2 2020	458,796	$51,954	$95.31	$70.45 - $112.06
Q1 2020	450,257	$36,673	$97.84	$64.00 - $116.86
Q4 2019	438,327	$48,221	$99.99	$81.07 - $109.78
Q3 2019	425,530	$39,268	$78.64	$68.69 - $91.29
Q2 2019	437,551	$34,080	$80.27	$67.03 - $98.53
Q1 2019	431,886	$40,188	$76.40	$59.36 - $88.91
Q4 2018	425,809	$27,511	$68.31	$53.35 - $77.61
Q3 2018	445,901	$35,739	$86.11	$74.38 - $97.19
Q2 2018	500,198	$47,868	$102.60	$86.55 - $115.42
Q1 2018	868,063	$100,391	$103.13	$88.32 - $120.60
Q4 2017	873,908	$82,584	$93.43	$82.69 - $103.63
Q3 2017	738,524	$69,753	$76.52	$62.45 - $89.48
Q2 2017	742,249	$49,954	$70.74	$60.40 - $82.65
Q1 2017	709,548	$48,781	$61.31	$54.85 - $65.67
Q4 2016	703,062	$41,762	$50.13	$43.15 - $57.04
Q3 2016	1,307,980	$65,046	$43.66	$38.22 - $50.60
Q2 2016	1,792,407	$77,181	$35.80	$32.24 - $39.81
Q1 2016	1,773,613	$66,776	$31.35	$28.08 - $35.11
Q4 2015	1,758,440	$63,304	$32.52	$26.43 - $35.02
Q3 2015	1,777,080	$59,586	$31.60	$28.82 - $34.92
Q2 2015	1,586,842	$60,205	$32.93	$29.54 - $35.95
Q1 2015	1,552,398	$52,487	$31.63	$29.59 - $33.22
Q4 2014	1,553,325	$56,852	$31.69	$27.30 - $33.99
Q3 2014	1,574,174	$52,546	$29.19	$27.47 - $31.20
Q2 2014	1,542,349	$48,183	$25.69	$23.72 - $27.88
Q1 2014	1,555,029	$46,480	$26.46	$25.10 - $28.61
Q4 2013	1,604,971	$48,020	$25.51	$23.10 - $27.14
Q3 2013	1,550,920	$41,239	$23.28	$21.63 - $25.20
Q2 2013	1,500,706	$39,828	$23.45	$21.31 - $25.25