NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

Public Sector Pension Investment Board's Holding History (CIK: 0001396318)

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

Q4 2025

Shares 48,191 Value ($000) $6,582 Avg Close $130.74 Range $120.39 - $141.25

Q3 2025

Shares 41,260 Value ($000) $5,554 Avg Close $127.35 Range $117.54 - $134.67

Q2 2025

Shares 40,009 Value ($000) $5,073 Avg Close $100.50 Range $80.06 - $125.55

Q1 2025

Shares 52,365 Value ($000) $5,166 Avg Close $103.45 Range $93.23 - $111.60

Q4 2024

Shares 51,414 Value ($000) $5,270 Avg Close $99.01 Range $84.76 - $108.13

Q3 2024

Shares 35,191 Value ($000) $3,168 Avg Close $84.00 Range $77.46 - $89.72

Q2 2024

Shares 34,791 Value ($000) $2,922 Avg Close $79.92 Range $75.34 - $84.71

Q1 2024

Shares 32,590 Value ($000) $2,898 Avg Close $77.38 Range $72.15 - $84.77

Q4 2023

Shares 32,342 Value ($000) $2,729 Avg Close $69.13 Range $58.21 - $81.80

Q3 2023

Shares 48,118 Value ($000) $3,343 Avg Close $69.90 Range $63.24 - $76.10

Q2 2023

Shares 45,686 Value ($000) $3,387 Avg Close $70.33 Range $63.56 - $82.80

Q1 2023

Shares 47,184 Value ($000) $4,158 Avg Close $84.16 Range $73.69 - $90.89

Q4 2022

Shares 47,074 Value ($000) $4,166 Avg Close $78.90 Range $68.45 - $85.44

Q3 2022

Shares 40,764 Value ($000) $3 Avg Close $86.27 Range $75.57 - $93.27

Q2 2022

Shares 20,044 Value ($000) $1,934 Avg Close $93.79 Range $79.99 - $104.77

Q1 2022

Shares 29,043 Value ($000) $3,382 Avg Close $104.54 Range $90.15 - $118.99

Q4 2021

Shares 34,653 Value ($000) $4,145 Avg Close $105.01 Range $93.28 - $110.92

Q3 2021

Shares 35,153 Value ($000) $3,790 Avg Close $98.91 Range $91.25 - $105.90

Q2 2021

Shares 32,633 Value ($000) $3,773 Avg Close $99.29 Range $88.58 - $106.46

Q1 2021

Shares 19,713 Value ($000) $2,072 Avg Close $84.43 Range $75.75 - $93.36

Q4 2020

Shares 81,343 Value ($000) $7,576 Avg Close $75.32 Range $64.54 - $84.00

Q3 2020

Shares 25,203 Value ($000) $1,965 Avg Close $67.99 Range $61.38 - $73.22

Q2 2020

Shares 20,103 Value ($000) $1,595 Avg Close $66.60 Range $56.52 - $77.90

Q1 2020

Shares 21,203 Value ($000) $1,600 Avg Close $76.24 Range $50.86 - $91.21

Q4 2019

Shares 37,133 Value ($000) $3,945 Avg Close $84.53 Range $70.73 - $91.70

Q3 2019

Shares 42,173 Value ($000) $3,936 Avg Close $75.31 Range $68.73 - $82.36

Q2 2019

Shares 28,383 Value ($000) $2,554 Avg Close $75.01 Range $68.81 - $81.17

Q1 2019

Shares 18,283 Value ($000) $1,653 Avg Close $72.96 Range $66.04 - $78.80

Q4 2018

Shares 11,483 Value ($000) $960 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 10,483 Value ($000) $1,071 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 11,983 Value ($000) $1,233 Avg Close $84.33 Range $79.47 - $87.26

Q1 2018

Shares 11,983 Value ($000) $1,236 Avg Close $82.97 Range $74.79 - $88.15

Q4 2017

Shares 100,283 Value ($000) $10,017 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 11,283 Value ($000) $1,037 Avg Close $71.05 Range $67.61 - $77.97

Q2 2017

Shares 24,277 Value ($000) $2,360 Avg Close $70.42 Range $66.40 - $77.52

Q1 2017

Shares 48,977 Value ($000) $4,240 Avg Close $67.79 Range $63.77 - $70.95

Q4 2016

Shares 46,877 Value ($000) $4,174 Avg Close $61.69 Range $52.36 - $70.81

Q3 2016

Shares 47,177 Value ($000) $3,208 Avg Close $52.45 Range $47.67 - $55.52

Q2 2016

Shares 40,577 Value ($000) $2,689 Avg Close $53.49 Range $47.26 - $57.41

Q1 2016

Shares 34,977 Value ($000) $2,279 Avg Close $47.88 Range $41.46 - $54.24

Q4 2015

Shares 55,377 Value ($000) $3,992 Avg Close $54.64 Range $49.15 - $57.77

Q3 2015

Shares 57,677 Value ($000) $3,931 Avg Close $55.52 Range $49.19 - $59.82

Q2 2015

Shares 75,177 Value ($000) $5,748 Avg Close $56.07 Range $51.74 - $59.54

Q1 2015

Shares 76,177 Value ($000) $5,306 Avg Close $51.14 Range $45.68 - $54.62

Q4 2014

Shares 74,585 Value ($000) $5,027 Avg Close $49.58 Range $45.22 - $51.59

Q3 2014

Shares 81,885 Value ($000) $5,571 Avg Close $49.84 Range $46.73 - $52.70

Q2 2014

Shares 83,585 Value ($000) $5,367 Avg Close $45.46 Range $42.93 - $48.59

Q1 2014

Shares 81,713 Value ($000) $5,357 Avg Close $45.55 Range $42.73 - $49.47

Q4 2013

Shares 84,013 Value ($000) $5,200 Avg Close $41.82 Range $38.19 - $45.43

Q3 2013

Shares 75,213 Value ($000) $4,091 Avg Close $41.67 Range $39.30 - $44.95

Q2 2013

Shares 74,613 Value ($000) $4,320 Avg Close $40.35 Range $37.41 - $42.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	48,191	$6,582	$130.74	$120.39 - $141.25
Q3 2025	41,260	$5,554	$127.35	$117.54 - $134.67
Q2 2025	40,009	$5,073	$100.50	$80.06 - $125.55
Q1 2025	52,365	$5,166	$103.45	$93.23 - $111.60
Q4 2024	51,414	$5,270	$99.01	$84.76 - $108.13
Q3 2024	35,191	$3,168	$84.00	$77.46 - $89.72
Q2 2024	34,791	$2,922	$79.92	$75.34 - $84.71
Q1 2024	32,590	$2,898	$77.38	$72.15 - $84.77
Q4 2023	32,342	$2,729	$69.13	$58.21 - $81.80
Q3 2023	48,118	$3,343	$69.90	$63.24 - $76.10
Q2 2023	45,686	$3,387	$70.33	$63.56 - $82.80
Q1 2023	47,184	$4,158	$84.16	$73.69 - $90.89
Q4 2022	47,074	$4,166	$78.90	$68.45 - $85.44
Q3 2022	40,764	$3	$86.27	$75.57 - $93.27
Q2 2022	20,044	$1,934	$93.79	$79.99 - $104.77
Q1 2022	29,043	$3,382	$104.54	$90.15 - $118.99
Q4 2021	34,653	$4,145	$105.01	$93.28 - $110.92
Q3 2021	35,153	$3,790	$98.91	$91.25 - $105.90
Q2 2021	32,633	$3,773	$99.29	$88.58 - $106.46
Q1 2021	19,713	$2,072	$84.43	$75.75 - $93.36
Q4 2020	81,343	$7,576	$75.32	$64.54 - $84.00
Q3 2020	25,203	$1,965	$67.99	$61.38 - $73.22
Q2 2020	20,103	$1,595	$66.60	$56.52 - $77.90
Q1 2020	21,203	$1,600	$76.24	$50.86 - $91.21
Q4 2019	37,133	$3,945	$84.53	$70.73 - $91.70
Q3 2019	42,173	$3,936	$75.31	$68.73 - $82.36
Q2 2019	28,383	$2,554	$75.01	$68.81 - $81.17
Q1 2019	18,283	$1,653	$72.96	$66.04 - $78.80
Q4 2018	11,483	$960	$75.32	$61.37 - $86.09
Q3 2018	10,483	$1,071	$85.59	$81.23 - $92.33
Q2 2018	11,983	$1,233	$84.33	$79.47 - $87.26
Q1 2018	11,983	$1,236	$82.97	$74.79 - $88.15
Q4 2017	100,283	$10,017	$75.28	$71.84 - $80.39
Q3 2017	11,283	$1,037	$71.05	$67.61 - $77.97
Q2 2017	24,277	$2,360	$70.42	$66.40 - $77.52
Q1 2017	48,977	$4,240	$67.79	$63.77 - $70.95
Q4 2016	46,877	$4,174	$61.69	$52.36 - $70.81
Q3 2016	47,177	$3,208	$52.45	$47.67 - $55.52
Q2 2016	40,577	$2,689	$53.49	$47.26 - $57.41
Q1 2016	34,977	$2,279	$47.88	$41.46 - $54.24
Q4 2015	55,377	$3,992	$54.64	$49.15 - $57.77
Q3 2015	57,677	$3,931	$55.52	$49.19 - $59.82
Q2 2015	75,177	$5,748	$56.07	$51.74 - $59.54
Q1 2015	76,177	$5,306	$51.14	$45.68 - $54.62
Q4 2014	74,585	$5,027	$49.58	$45.22 - $51.59
Q3 2014	81,885	$5,571	$49.84	$46.73 - $52.70
Q2 2014	83,585	$5,367	$45.46	$42.93 - $48.59
Q1 2014	81,713	$5,357	$45.55	$42.73 - $49.47
Q4 2013	84,013	$5,200	$41.82	$38.19 - $45.43
Q3 2013	75,213	$4,091	$41.67	$39.30 - $44.95
Q2 2013	74,613	$4,320	$40.35	$37.41 - $42.83