NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

APPLETON PARTNERS INC/MA's Holding History (CIK: 0001055290)

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

Q4 2025

Shares 1,540 Value ($000) $0 Avg Close $130.74 Range $120.39 - $141.25

Q3 2025

Shares 1,615 Value ($000) $0 Avg Close $127.35 Range $117.54 - $134.67

Q2 2025

Shares 1,615 Value ($000) $0 Avg Close $100.50 Range $80.06 - $125.55

Q1 2024

Shares 2,515 Value ($000) $0 Avg Close $77.38 Range $72.15 - $84.77

Q4 2023

Shares 2,650 Value ($000) $0 Avg Close $69.13 Range $58.21 - $81.80

Q3 2023

Shares 3,415 Value ($000) $0 Avg Close $69.90 Range $63.24 - $76.10

Q2 2023

Shares 3,415 Value ($000) $0 Avg Close $70.33 Range $63.56 - $82.80

Q1 2023

Shares 3,690 Value ($000) $0 Avg Close $84.16 Range $73.69 - $90.89

Q4 2022

Shares 6,148 Value ($000) $1 Avg Close $78.90 Range $68.45 - $85.44

Q3 2022

Shares 8,957 Value ($000) $766 Avg Close $86.27 Range $75.57 - $93.27

Q2 2022

Shares 9,077 Value ($000) $876 Avg Close $93.79 Range $79.99 - $104.77

Q1 2022

Shares 9,949 Value ($000) $1,159 Avg Close $104.54 Range $90.15 - $118.99

Q4 2021

Shares 10,263 Value ($000) $1,228 Avg Close $105.01 Range $93.28 - $110.92

Q3 2021

Shares 10,338 Value ($000) $1,115 Avg Close $98.91 Range $91.25 - $105.90

Q2 2021

Shares 10,853 Value ($000) $1,255 Avg Close $99.29 Range $88.58 - $106.46

Q1 2021

Shares 11,393 Value ($000) $1,198 Avg Close $84.43 Range $75.75 - $93.36

Q4 2020

Shares 11,493 Value ($000) $1,070 Avg Close $75.32 Range $64.54 - $84.00

Q3 2020

Shares 11,773 Value ($000) $918 Avg Close $67.99 Range $61.38 - $73.22

Q2 2020

Shares 11,983 Value ($000) $951 Avg Close $66.60 Range $56.52 - $77.90

Q1 2020

Shares 12,779 Value ($000) $964 Avg Close $76.24 Range $50.86 - $91.21

Q4 2019

Shares 14,196 Value ($000) $1,508 Avg Close $84.53 Range $70.73 - $91.70

Q3 2019

Shares 14,896 Value ($000) $1,390 Avg Close $75.31 Range $68.73 - $82.36

Q2 2019

Shares 15,941 Value ($000) $1,435 Avg Close $75.01 Range $68.81 - $81.17

Q1 2019

Shares 17,381 Value ($000) $1,571 Avg Close $72.96 Range $66.04 - $78.80

Q4 2018

Shares 22,486 Value ($000) $1,880 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 24,371 Value ($000) $2,489 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 25,341 Value ($000) $2,607 Avg Close $84.33 Range $79.47 - $87.26

Q1 2018

Shares 26,546 Value ($000) $2,738 Avg Close $82.97 Range $74.79 - $88.15

Q4 2017

Shares 27,521 Value ($000) $2,749 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 27,686 Value ($000) $2,545 Avg Close $71.05 Range $67.61 - $77.97

Q2 2017

Shares 28,271 Value ($000) $2,748 Avg Close $70.42 Range $66.40 - $77.52

Q1 2017

Shares 28,321 Value ($000) $2,452 Avg Close $67.79 Range $63.77 - $70.95

Q4 2016

Shares 29,066 Value ($000) $2,588 Avg Close $61.69 Range $52.36 - $70.81

Q3 2016

Shares 30,339 Value ($000) $2,063 Avg Close $52.45 Range $47.67 - $55.52

Q2 2016

Shares 37,826 Value ($000) $2,506 Avg Close $53.49 Range $47.26 - $57.41

Q1 2016

Shares 47,621 Value ($000) $3,103 Avg Close $47.88 Range $41.46 - $54.24

Q4 2015

Shares 45,511 Value ($000) $3,281 Avg Close $54.64 Range $49.15 - $57.77

Q3 2015

Shares 33,631 Value ($000) $2,292 Avg Close $55.52 Range $49.19 - $59.82

Q2 2015

Shares 4,121 Value ($000) $315 Avg Close $56.07 Range $51.74 - $59.54

Q1 2015

Shares 4,056 Value ($000) $283 Avg Close $51.14 Range $45.68 - $54.62

Q4 2014

Shares 4,056 Value ($000) $273 Avg Close $49.58 Range $45.22 - $51.59

Q3 2014

Shares 4,056 Value ($000) $276 Avg Close $49.84 Range $46.73 - $52.70

Q2 2014

Shares 4,056 Value ($000) $260 Avg Close $45.46 Range $42.93 - $48.59

Q1 2014

Shares 3,881 Value ($000) $254 Avg Close $45.55 Range $42.73 - $49.47

Q4 2013

Shares 3,981 Value ($000) $246 Avg Close $41.82 Range $38.19 - $45.43

Q3 2013

Shares 3,981 Value ($000) $216 Avg Close $41.67 Range $39.30 - $44.95

Q2 2013

Shares 3,981 Value ($000) $230,500 Avg Close $40.35 Range $37.41 - $42.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	1,540	$0	$130.74	$120.39 - $141.25
Q3 2025	1,615	$0	$127.35	$117.54 - $134.67
Q2 2025	1,615	$0	$100.50	$80.06 - $125.55
Q1 2024	2,515	$0	$77.38	$72.15 - $84.77
Q4 2023	2,650	$0	$69.13	$58.21 - $81.80
Q3 2023	3,415	$0	$69.90	$63.24 - $76.10
Q2 2023	3,415	$0	$70.33	$63.56 - $82.80
Q1 2023	3,690	$0	$84.16	$73.69 - $90.89
Q4 2022	6,148	$1	$78.90	$68.45 - $85.44
Q3 2022	8,957	$766	$86.27	$75.57 - $93.27
Q2 2022	9,077	$876	$93.79	$79.99 - $104.77
Q1 2022	9,949	$1,159	$104.54	$90.15 - $118.99
Q4 2021	10,263	$1,228	$105.01	$93.28 - $110.92
Q3 2021	10,338	$1,115	$98.91	$91.25 - $105.90
Q2 2021	10,853	$1,255	$99.29	$88.58 - $106.46
Q1 2021	11,393	$1,198	$84.43	$75.75 - $93.36
Q4 2020	11,493	$1,070	$75.32	$64.54 - $84.00
Q3 2020	11,773	$918	$67.99	$61.38 - $73.22
Q2 2020	11,983	$951	$66.60	$56.52 - $77.90
Q1 2020	12,779	$964	$76.24	$50.86 - $91.21
Q4 2019	14,196	$1,508	$84.53	$70.73 - $91.70
Q3 2019	14,896	$1,390	$75.31	$68.73 - $82.36
Q2 2019	15,941	$1,435	$75.01	$68.81 - $81.17
Q1 2019	17,381	$1,571	$72.96	$66.04 - $78.80
Q4 2018	22,486	$1,880	$75.32	$61.37 - $86.09
Q3 2018	24,371	$2,489	$85.59	$81.23 - $92.33
Q2 2018	25,341	$2,607	$84.33	$79.47 - $87.26
Q1 2018	26,546	$2,738	$82.97	$74.79 - $88.15
Q4 2017	27,521	$2,749	$75.28	$71.84 - $80.39
Q3 2017	27,686	$2,545	$71.05	$67.61 - $77.97
Q2 2017	28,271	$2,748	$70.42	$66.40 - $77.52
Q1 2017	28,321	$2,452	$67.79	$63.77 - $70.95
Q4 2016	29,066	$2,588	$61.69	$52.36 - $70.81
Q3 2016	30,339	$2,063	$52.45	$47.67 - $55.52
Q2 2016	37,826	$2,506	$53.49	$47.26 - $57.41
Q1 2016	47,621	$3,103	$47.88	$41.46 - $54.24
Q4 2015	45,511	$3,281	$54.64	$49.15 - $57.77
Q3 2015	33,631	$2,292	$55.52	$49.19 - $59.82
Q2 2015	4,121	$315	$56.07	$51.74 - $59.54
Q1 2015	4,056	$283	$51.14	$45.68 - $54.62
Q4 2014	4,056	$273	$49.58	$45.22 - $51.59
Q3 2014	4,056	$276	$49.84	$46.73 - $52.70
Q2 2014	4,056	$260	$45.46	$42.93 - $48.59
Q1 2014	3,881	$254	$45.55	$42.73 - $49.47
Q4 2013	3,981	$246	$41.82	$38.19 - $45.43
Q3 2013	3,981	$216	$41.67	$39.30 - $44.95
Q2 2013	3,981	$230,500	$40.35	$37.41 - $42.83