3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

MARKEL GROUP INC.'s Holding History (CIK: 0001096343)

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

Q2 2025

Shares 118,250 Value ($000) $18,002 Avg Close $141.25 Range $120.31 - $152.61

Q1 2025

Shares 293,750 Value ($000) $43,140 Avg Close $144.58 Range $126.59 - $154.21

Q4 2024

Shares 293,750 Value ($000) $37,920 Avg Close $128.38 Range $121.55 - $137.99

Q3 2024

Shares 293,750 Value ($000) $40,156 Avg Close $119.14 Range $95.41 - $137.38

Q2 2024

Shares 293,750 Value ($000) $30,018 Avg Close $94.27 Range $85.08 - $102.26

Q1 2024

Shares 293,750 Value ($000) $31,158 Avg Close $79.29 Range $72.48 - $88.04

Q4 2023

Shares 293,750 Value ($000) $32,113 Avg Close $75.54 Range $66.65 - $87.39

Q3 2023

Shares 293,750 Value ($000) $27,501 Avg Close $79.56 Range $72.16 - $87.04

Q2 2023

Shares 293,750 Value ($000) $29,401 Avg Close $77.55 Range $71.07 - $81.31

Q1 2023

Shares 293,750 Value ($000) $30,876 Avg Close $84.88 Range $75.90 - $97.15

Q4 2022

Shares 287,750 Value ($000) $34,507 Avg Close $90.68 Range $79.15 - $98.99

Q3 2022

Shares 269,750 Value ($000) $29,809 Avg Close $96.43 Range $81.61 - $111.45

Q2 2022

Shares 269,750 Value ($000) $34,908 Avg Close $105.20 Range $93.15 - $112.04

Q1 2022

Shares 269,750 Value ($000) $40,161 Avg Close $114.60 Range $101.23 - $130.43

Q4 2021

Shares 253,200 Value ($000) $44,976 Avg Close $127.29 Range $121.39 - $132.59

Q3 2021

Shares 247,200 Value ($000) $43,363 Avg Close $137.32 Range $124.81 - $143.53

Q2 2021

Shares 240,700 Value ($000) $47,811 Avg Close $140.42 Range $132.26 - $146.51

Q1 2021

Shares 238,100 Value ($000) $45,877 Avg Close $125.09 Range $113.62 - $137.93

Q4 2020

Shares 234,200 Value ($000) $40,936 Avg Close $117.52 Range $107.65 - $124.92

Q3 2020

Shares 234,200 Value ($000) $37,514 Avg Close $110.37 Range $101.67 - $119.41

Q2 2020

Shares 234,200 Value ($000) $36,533 Avg Close $102.42 Range $88.63 - $115.84

Q1 2020

Shares 234,200 Value ($000) $31,970 Avg Close $105.95 Range $77.15 - $122.39

Q4 2019

Shares 228,500 Value ($000) $40,312 Avg Close $111.76 Range $100.09 - $120.13

Q3 2019

Shares 223,000 Value ($000) $36,661 Avg Close $110.63 Range $102.36 - $123.65

Q2 2019

Shares 208,000 Value ($000) $36,054 Avg Close $120.63 Range $104.94 - $143.52

Q1 2019

Shares 204,000 Value ($000) $42,387 Avg Close $131.07 Range $118.62 - $138.19

Q4 2018

Shares 204,000 Value ($000) $38,870 Avg Close $128.25 Range $114.72 - $140.01

Q3 2018

Shares 204,000 Value ($000) $42,985 Avg Close $132.20 Range $121.95 - $140.35

Q2 2018

Shares 204,000 Value ($000) $40,131 Avg Close $130.14 Range $121.67 - $140.90

Q1 2018

Shares 204,000 Value ($000) $44,782 Avg Close $150.16 Range $136.48 - $164.13

Q4 2017

Shares 204,000 Value ($000) $48,015 Avg Close $144.97 Range $132.04 - $154.32

Q3 2017

Shares 204,000 Value ($000) $42,820 Avg Close $129.88 Range $123.25 - $134.94

Q2 2017

Shares 204,000 Value ($000) $42,471 Avg Close $124.67 Range $117.20 - $134.12

Q1 2017

Shares 204,000 Value ($000) $39,031 Avg Close $113.65 Range $107.14 - $120.23

Q4 2016

Shares 204,000 Value ($000) $36,428 Avg Close $106.20 Range $100.51 - $111.16

Q3 2016

Shares 204,000 Value ($000) $35,951 Avg Close $109.19 Range $105.77 - $111.43

Q2 2016

Shares 204,000 Value ($000) $35,725 Avg Close $102.46 Range $99.47 - $106.77

Q1 2016

Shares 204,000 Value ($000) $33,993 Avg Close $92.76 Range $80.95 - $101.43

Q4 2015

Shares 204,000 Value ($000) $30,730 Avg Close $92.11 Range $82.77 - $96.10

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	118,250	$18,002	$141.25	$120.31 - $152.61
Q1 2025	293,750	$43,140	$144.58	$126.59 - $154.21
Q4 2024	293,750	$37,920	$128.38	$121.55 - $137.99
Q3 2024	293,750	$40,156	$119.14	$95.41 - $137.38
Q2 2024	293,750	$30,018	$94.27	$85.08 - $102.26
Q1 2024	293,750	$31,158	$79.29	$72.48 - $88.04
Q4 2023	293,750	$32,113	$75.54	$66.65 - $87.39
Q3 2023	293,750	$27,501	$79.56	$72.16 - $87.04
Q2 2023	293,750	$29,401	$77.55	$71.07 - $81.31
Q1 2023	293,750	$30,876	$84.88	$75.90 - $97.15
Q4 2022	287,750	$34,507	$90.68	$79.15 - $98.99
Q3 2022	269,750	$29,809	$96.43	$81.61 - $111.45
Q2 2022	269,750	$34,908	$105.20	$93.15 - $112.04
Q1 2022	269,750	$40,161	$114.60	$101.23 - $130.43
Q4 2021	253,200	$44,976	$127.29	$121.39 - $132.59
Q3 2021	247,200	$43,363	$137.32	$124.81 - $143.53
Q2 2021	240,700	$47,811	$140.42	$132.26 - $146.51
Q1 2021	238,100	$45,877	$125.09	$113.62 - $137.93
Q4 2020	234,200	$40,936	$117.52	$107.65 - $124.92
Q3 2020	234,200	$37,514	$110.37	$101.67 - $119.41
Q2 2020	234,200	$36,533	$102.42	$88.63 - $115.84
Q1 2020	234,200	$31,970	$105.95	$77.15 - $122.39
Q4 2019	228,500	$40,312	$111.76	$100.09 - $120.13
Q3 2019	223,000	$36,661	$110.63	$102.36 - $123.65
Q2 2019	208,000	$36,054	$120.63	$104.94 - $143.52
Q1 2019	204,000	$42,387	$131.07	$118.62 - $138.19
Q4 2018	204,000	$38,870	$128.25	$114.72 - $140.01
Q3 2018	204,000	$42,985	$132.20	$121.95 - $140.35
Q2 2018	204,000	$40,131	$130.14	$121.67 - $140.90
Q1 2018	204,000	$44,782	$150.16	$136.48 - $164.13
Q4 2017	204,000	$48,015	$144.97	$132.04 - $154.32
Q3 2017	204,000	$42,820	$129.88	$123.25 - $134.94
Q2 2017	204,000	$42,471	$124.67	$117.20 - $134.12
Q1 2017	204,000	$39,031	$113.65	$107.14 - $120.23
Q4 2016	204,000	$36,428	$106.20	$100.51 - $111.16
Q3 2016	204,000	$35,951	$109.19	$105.77 - $111.43
Q2 2016	204,000	$35,725	$102.46	$99.47 - $106.77
Q1 2016	204,000	$33,993	$92.76	$80.95 - $101.43
Q4 2015	204,000	$30,730	$92.11	$82.77 - $96.10