HANOVER INS GROUP INC

Ticker: THG CUSIP: 410867105 Class: COM

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

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

Q4 2025

Shares 16,497 Value ($000) $3,015 Avg Close $179.10 Range $165.94 - $188.17

Q3 2025

Shares 16,497 Value ($000) $2,996 Avg Close $169.88 Range $159.08 - $181.40

Q2 2025

Shares 18,432 Value ($000) $3,131 Avg Close $164.62 Range $145.51 - $175.96

Q1 2025

Shares 18,432 Value ($000) $3,206 Avg Close $158.73 Range $142.18 - $173.32

Q1 2023

Shares 5,147 Value ($000) $661 Avg Close $125.09 Range $112.03 - $138.21

Q4 2022

Shares 9,193 Value ($000) $1,242 Avg Close $128.96 Range $117.44 - $136.92

Q3 2022

Shares 45,749 Value ($000) $5,862 Avg Close $124.21 Range $113.29 - $137.43

Q2 2022

Shares 45,749 Value ($000) $6,692 Avg Close $134.26 Range $124.84 - $142.12

Q1 2022

Shares 45,749 Value ($000) $6,839 Avg Close $127.30 Range $118.50 - $139.60

Q4 2021

Shares 47,394 Value ($000) $6,211 Avg Close $117.31 Range $109.95 - $124.64

Q3 2021

Shares 52,323 Value ($000) $6,781 Avg Close $122.59 Range $114.44 - $128.61

Q2 2021

Shares 47,795 Value ($000) $6,482 Avg Close $122.79 Range $114.58 - $128.09

Q1 2021

Shares 48,543 Value ($000) $6,284 Avg Close $107.45 Range $98.82 - $119.36

Q4 2020

Shares 49,427 Value ($000) $5,778 Avg Close $95.46 Range $81.37 - $105.85

Q3 2020

Shares 49,509 Value ($000) $4,613 Avg Close $87.39 Range $77.56 - $97.06

Q2 2020

Shares 88,005 Value ($000) $8,916 Avg Close $85.74 Range $70.55 - $100.54

Q1 2020

Shares 88,005 Value ($000) $7,972 Avg Close $107.46 Range $65.59 - $125.59

Q4 2019

Shares 93,406 Value ($000) $12,768 Avg Close $114.64 Range $106.94 - $120.70

Q3 2019

Shares 122 Value ($000) $17 Avg Close $110.97 Range $106.84 - $115.75

Q2 2017

Shares 40,453 Value ($000) $3,585 Avg Close $66.61 Range $61.27 - $70.04

Q1 2017

Shares 57,578 Value ($000) $5,186 Avg Close $68.19 Range $63.66 - $71.74

Q4 2016

Shares 57,578 Value ($000) $5,240 Avg Close $63.85 Range $56.77 - $70.73

Q3 2016

Shares 73,842 Value ($000) $5,571 Avg Close $60.45 Range $56.64 - $64.77

Q2 2016

Shares 81,577 Value ($000) $6,904 Avg Close $65.15 Range $58.79 - $69.02

Q1 2016

Shares 81,577 Value ($000) $7,360 Avg Close $62.18 Range $56.69 - $68.91

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,497	$3,015	$179.10	$165.94 - $188.17
Q3 2025	16,497	$2,996	$169.88	$159.08 - $181.40
Q2 2025	18,432	$3,131	$164.62	$145.51 - $175.96
Q1 2025	18,432	$3,206	$158.73	$142.18 - $173.32
Q1 2023	5,147	$661	$125.09	$112.03 - $138.21
Q4 2022	9,193	$1,242	$128.96	$117.44 - $136.92
Q3 2022	45,749	$5,862	$124.21	$113.29 - $137.43
Q2 2022	45,749	$6,692	$134.26	$124.84 - $142.12
Q1 2022	45,749	$6,839	$127.30	$118.50 - $139.60
Q4 2021	47,394	$6,211	$117.31	$109.95 - $124.64
Q3 2021	52,323	$6,781	$122.59	$114.44 - $128.61
Q2 2021	47,795	$6,482	$122.79	$114.58 - $128.09
Q1 2021	48,543	$6,284	$107.45	$98.82 - $119.36
Q4 2020	49,427	$5,778	$95.46	$81.37 - $105.85
Q3 2020	49,509	$4,613	$87.39	$77.56 - $97.06
Q2 2020	88,005	$8,916	$85.74	$70.55 - $100.54
Q1 2020	88,005	$7,972	$107.46	$65.59 - $125.59
Q4 2019	93,406	$12,768	$114.64	$106.94 - $120.70
Q3 2019	122	$17	$110.97	$106.84 - $115.75
Q2 2017	40,453	$3,585	$66.61	$61.27 - $70.04
Q1 2017	57,578	$5,186	$68.19	$63.66 - $71.74
Q4 2016	57,578	$5,240	$63.85	$56.77 - $70.73
Q3 2016	73,842	$5,571	$60.45	$56.64 - $64.77
Q2 2016	81,577	$6,904	$65.15	$58.79 - $69.02
Q1 2016	81,577	$7,360	$62.18	$56.69 - $68.91