NORTHERN TR CORP

Ticker: NTRS CUSIP: 665859104 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 632,753 Value ($000) $86,428 Avg Close $130.74 Range $120.39 - $141.25

Q3 2025

Shares 661,268 Value ($000) $89,007 Avg Close $127.35 Range $117.54 - $134.67

Q2 2025

Shares 622,136 Value ($000) $78,881 Avg Close $100.50 Range $80.06 - $125.55

Q1 2025

Shares 816,286 Value ($000) $80,527 Avg Close $103.45 Range $93.23 - $111.60

Q4 2024

Shares 678,461 Value ($000) $69,542 Avg Close $99.01 Range $84.76 - $108.13

Q3 2024

Shares 416,664 Value ($000) $37,512 Avg Close $84.00 Range $77.46 - $89.72

Q2 2024

Shares 268,080 Value ($000) $22,513 Avg Close $79.92 Range $75.34 - $84.71

Q1 2024

Shares 137,732 Value ($000) $12,247 Avg Close $77.38 Range $72.15 - $84.77

Q4 2023

Shares 28,814 Value ($000) $2,431 Avg Close $69.13 Range $58.21 - $81.80

Q3 2023

Shares 16,197 Value ($000) $1,125 Avg Close $69.90 Range $63.24 - $76.10

Q2 2023

Shares 15,121 Value ($000) $1,121 Avg Close $70.33 Range $63.56 - $82.80

Q1 2023

Shares 16,999 Value ($000) $1,498 Avg Close $84.16 Range $73.69 - $90.89

Q4 2022

Shares 16,489 Value ($000) $1,459 Avg Close $78.90 Range $68.45 - $85.44

Q3 2022

Shares 65,009 Value ($000) $5,562 Avg Close $86.27 Range $75.57 - $93.27

Q2 2022

Shares 56,306 Value ($000) $5,432 Avg Close $93.79 Range $79.99 - $104.77

Q1 2022

Shares 44,298 Value ($000) $5,157 Avg Close $104.54 Range $90.15 - $118.99

Q4 2021

Shares 35,522 Value ($000) $4,249 Avg Close $105.01 Range $93.28 - $110.92

Q3 2021

Shares 36,277 Value ($000) $3,910 Avg Close $98.91 Range $91.25 - $105.90

Q2 2021

Shares 43,173 Value ($000) $4,992 Avg Close $99.29 Range $88.58 - $106.46

Q1 2021

Shares 82,826 Value ($000) $8,707 Avg Close $84.43 Range $75.75 - $93.36

Q4 2020

Shares 82,349 Value ($000) $7,670 Avg Close $75.32 Range $64.54 - $84.00

Q3 2020

Shares 68,618 Value ($000) $5,349 Avg Close $67.99 Range $61.38 - $73.22

Q2 2020

Shares 59,237 Value ($000) $4,699 Avg Close $66.60 Range $56.52 - $77.90

Q1 2020

Shares 29,933 Value ($000) $2,260 Avg Close $76.24 Range $50.86 - $91.21

Q4 2019

Shares 26,002 Value ($000) $2,762 Avg Close $84.53 Range $70.73 - $91.70

Q3 2019

Shares 16,505 Value ($000) $1,540 Avg Close $75.31 Range $68.73 - $82.36

Q2 2019

Shares 13,832 Value ($000) $1,244 Avg Close $75.01 Range $68.81 - $81.17

Q1 2019

Shares 20,224 Value ($000) $1,828 Avg Close $72.96 Range $66.04 - $78.80

Q4 2018

Shares 20,224 Value ($000) $1,689 Avg Close $75.32 Range $61.37 - $86.09

Q3 2018

Shares 167,196 Value ($000) $17,096 Avg Close $85.59 Range $81.23 - $92.33

Q2 2018

Shares 23,278 Value ($000) $2,397 Avg Close $84.33 Range $79.47 - $87.26

Q1 2018

Shares 14,793 Value ($000) $1,526 Avg Close $82.97 Range $74.79 - $88.15

Q4 2017

Shares 6,727 Value ($000) $672 Avg Close $75.28 Range $71.84 - $80.39

Q3 2017

Shares 3,177 Value ($000) $292 Avg Close $71.05 Range $67.61 - $77.97

Q2 2017

Shares 3,177 Value ($000) $308 Avg Close $70.42 Range $66.40 - $77.52

Q1 2017

Shares 5,008 Value ($000) $434 Avg Close $67.79 Range $63.77 - $70.95

Q4 2016

Shares 3,415 Value ($000) $304 Avg Close $61.69 Range $52.36 - $70.81

Q3 2016

Shares 9,148 Value ($000) $622 Avg Close $52.45 Range $47.67 - $55.52

Q2 2016

Shares 11,270 Value ($000) $747 Avg Close $53.49 Range $47.26 - $57.41

Q1 2016

Shares 8,615 Value ($000) $561 Avg Close $47.88 Range $41.46 - $54.24

Q4 2015

Shares 9,547 Value ($000) $688 Avg Close $54.64 Range $49.15 - $57.77

Q3 2015

Shares 75,279 Value ($000) $5,131 Avg Close $55.52 Range $49.19 - $59.82

Q2 2015

Shares 41,083 Value ($000) $3,141 Avg Close $56.07 Range $51.74 - $59.54

Q1 2015

Shares 39,697 Value ($000) $2,765 Avg Close $51.14 Range $45.68 - $54.62

Q4 2014

Shares 9,499 Value ($000) $640 Avg Close $49.58 Range $45.22 - $51.59

Q3 2014

Shares 13,840 Value ($000) $942 Avg Close $49.84 Range $46.73 - $52.70

Q2 2014

Shares 12,984 Value ($000) $834 Avg Close $45.46 Range $42.93 - $48.59

Q1 2014

Shares 11,380 Value ($000) $746 Avg Close $45.55 Range $42.73 - $49.47

Q4 2013

Shares 11,243 Value ($000) $696 Avg Close $41.82 Range $38.19 - $45.43

Q3 2013

Shares 9,430 Value ($000) $513 Avg Close $41.67 Range $39.30 - $44.95

Q2 2013

Shares 9,430 Value ($000) $546 Avg Close $40.35 Range $37.41 - $42.83

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	632,753	$86,428	$130.74	$120.39 - $141.25
Q3 2025	661,268	$89,007	$127.35	$117.54 - $134.67
Q2 2025	622,136	$78,881	$100.50	$80.06 - $125.55
Q1 2025	816,286	$80,527	$103.45	$93.23 - $111.60
Q4 2024	678,461	$69,542	$99.01	$84.76 - $108.13
Q3 2024	416,664	$37,512	$84.00	$77.46 - $89.72
Q2 2024	268,080	$22,513	$79.92	$75.34 - $84.71
Q1 2024	137,732	$12,247	$77.38	$72.15 - $84.77
Q4 2023	28,814	$2,431	$69.13	$58.21 - $81.80
Q3 2023	16,197	$1,125	$69.90	$63.24 - $76.10
Q2 2023	15,121	$1,121	$70.33	$63.56 - $82.80
Q1 2023	16,999	$1,498	$84.16	$73.69 - $90.89
Q4 2022	16,489	$1,459	$78.90	$68.45 - $85.44
Q3 2022	65,009	$5,562	$86.27	$75.57 - $93.27
Q2 2022	56,306	$5,432	$93.79	$79.99 - $104.77
Q1 2022	44,298	$5,157	$104.54	$90.15 - $118.99
Q4 2021	35,522	$4,249	$105.01	$93.28 - $110.92
Q3 2021	36,277	$3,910	$98.91	$91.25 - $105.90
Q2 2021	43,173	$4,992	$99.29	$88.58 - $106.46
Q1 2021	82,826	$8,707	$84.43	$75.75 - $93.36
Q4 2020	82,349	$7,670	$75.32	$64.54 - $84.00
Q3 2020	68,618	$5,349	$67.99	$61.38 - $73.22
Q2 2020	59,237	$4,699	$66.60	$56.52 - $77.90
Q1 2020	29,933	$2,260	$76.24	$50.86 - $91.21
Q4 2019	26,002	$2,762	$84.53	$70.73 - $91.70
Q3 2019	16,505	$1,540	$75.31	$68.73 - $82.36
Q2 2019	13,832	$1,244	$75.01	$68.81 - $81.17
Q1 2019	20,224	$1,828	$72.96	$66.04 - $78.80
Q4 2018	20,224	$1,689	$75.32	$61.37 - $86.09
Q3 2018	167,196	$17,096	$85.59	$81.23 - $92.33
Q2 2018	23,278	$2,397	$84.33	$79.47 - $87.26
Q1 2018	14,793	$1,526	$82.97	$74.79 - $88.15
Q4 2017	6,727	$672	$75.28	$71.84 - $80.39
Q3 2017	3,177	$292	$71.05	$67.61 - $77.97
Q2 2017	3,177	$308	$70.42	$66.40 - $77.52
Q1 2017	5,008	$434	$67.79	$63.77 - $70.95
Q4 2016	3,415	$304	$61.69	$52.36 - $70.81
Q3 2016	9,148	$622	$52.45	$47.67 - $55.52
Q2 2016	11,270	$747	$53.49	$47.26 - $57.41
Q1 2016	8,615	$561	$47.88	$41.46 - $54.24
Q4 2015	9,547	$688	$54.64	$49.15 - $57.77
Q3 2015	75,279	$5,131	$55.52	$49.19 - $59.82
Q2 2015	41,083	$3,141	$56.07	$51.74 - $59.54
Q1 2015	39,697	$2,765	$51.14	$45.68 - $54.62
Q4 2014	9,499	$640	$49.58	$45.22 - $51.59
Q3 2014	13,840	$942	$49.84	$46.73 - $52.70
Q2 2014	12,984	$834	$45.46	$42.93 - $48.59
Q1 2014	11,380	$746	$45.55	$42.73 - $49.47
Q4 2013	11,243	$696	$41.82	$38.19 - $45.43
Q3 2013	9,430	$513	$41.67	$39.30 - $44.95
Q2 2013	9,430	$546	$40.35	$37.41 - $42.83