3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

GRANDFIELD & DODD, LLC's Holding History (CIK: 0001308016)

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

Q4 2025

Shares 2,352 Value ($000) $377 Avg Close $163.18 Range $147.82 - $174.69

Q3 2025

Shares 1,802 Value ($000) $280 Avg Close $153.11 Range $142.97 - $162.70

Q2 2025

Shares 1,802 Value ($000) $274 Avg Close $141.25 Range $120.31 - $152.61

Q1 2025

Shares 1,802 Value ($000) $265 Avg Close $144.58 Range $126.59 - $154.21

Q4 2024

Shares 2,177 Value ($000) $281 Avg Close $128.38 Range $121.55 - $137.99

Q3 2024

Shares 4,765 Value ($000) $651 Avg Close $119.14 Range $95.41 - $137.38

Q2 2024

Shares 4,849 Value ($000) $496 Avg Close $94.27 Range $85.08 - $102.26

Q1 2024

Shares 5,523 Value ($000) $586 Avg Close $79.29 Range $72.48 - $88.04

Q4 2023

Shares 6,781 Value ($000) $741 Avg Close $75.54 Range $66.65 - $87.39

Q3 2023

Shares 9,428 Value ($000) $883 Avg Close $79.56 Range $72.16 - $87.04

Q2 2023

Shares 11,297 Value ($000) $1,131 Avg Close $77.55 Range $71.07 - $81.31

Q1 2023

Shares 12,224 Value ($000) $1,285 Avg Close $84.88 Range $75.90 - $97.15

Q4 2022

Shares 11,480 Value ($000) $1,377 Avg Close $90.68 Range $79.15 - $98.99

Q3 2022

Shares 11,624 Value ($000) $1,280 Avg Close $96.43 Range $81.61 - $111.45

Q2 2022

Shares 11,242 Value ($000) $1,450 Avg Close $105.20 Range $93.15 - $112.04

Q1 2022

Shares 11,348 Value ($000) $1,690 Avg Close $114.60 Range $101.23 - $130.43

Q4 2021

Shares 11,518 Value ($000) $2,050 Avg Close $127.29 Range $121.39 - $132.59

Q3 2021

Shares 11,504 Value ($000) $2,020 Avg Close $137.32 Range $124.81 - $143.53

Q2 2021

Shares 11,470 Value ($000) $2,280 Avg Close $140.42 Range $132.26 - $146.51

Q1 2021

Shares 11,480 Value ($000) $2,210 Avg Close $125.09 Range $113.62 - $137.93

Q4 2020

Shares 11,113 Value ($000) $1,940 Avg Close $117.52 Range $107.65 - $124.92

Q3 2020

Shares 11,113 Value ($000) $1,780 Avg Close $110.37 Range $101.67 - $119.41

Q2 2020

Shares 11,122 Value ($000) $1,730 Avg Close $102.42 Range $88.63 - $115.84

Q1 2020

Shares 11,059 Value ($000) $1,510 Avg Close $105.95 Range $77.15 - $122.39

Q4 2019

Shares 16,841 Value ($000) $2,971 Avg Close $111.76 Range $100.09 - $120.13

Q3 2019

Shares 16,841 Value ($000) $2,769 Avg Close $110.63 Range $102.36 - $123.65

Q2 2019

Shares 17,240 Value ($000) $2,988 Avg Close $120.63 Range $104.94 - $143.52

Q1 2019

Shares 17,440 Value ($000) $3,624 Avg Close $131.07 Range $118.62 - $138.19

Q4 2018

Shares 17,440 Value ($000) $3,323 Avg Close $128.25 Range $114.72 - $140.01

Q3 2018

Shares 17,440 Value ($000) $3,675 Avg Close $132.20 Range $121.95 - $140.35

Q2 2018

Shares 17,640 Value ($000) $3,470 Avg Close $130.14 Range $121.67 - $140.90

Q1 2018

Shares 17,715 Value ($000) $3,889 Avg Close $150.16 Range $136.48 - $164.13

Q4 2017

Shares 18,295 Value ($000) $4,306 Avg Close $144.97 Range $132.04 - $154.32

Q3 2017

Shares 18,964 Value ($000) $3,981 Avg Close $129.88 Range $123.25 - $134.94

Q2 2017

Shares 19,466 Value ($000) $4,053 Avg Close $124.67 Range $117.20 - $134.12

Q1 2017

Shares 19,466 Value ($000) $3,724 Avg Close $113.65 Range $107.14 - $120.23

Q4 2016

Shares 19,496 Value ($000) $3,481 Avg Close $106.20 Range $100.51 - $111.16

Q3 2016

Shares 20,716 Value ($000) $3,651 Avg Close $109.19 Range $105.77 - $111.43

Q2 2016

Shares 21,053 Value ($000) $3,687 Avg Close $102.46 Range $99.47 - $106.77

Q1 2016

Shares 21,253 Value ($000) $3,541 Avg Close $92.76 Range $80.95 - $101.43

Q4 2015

Shares 20,373 Value ($000) $3,069 Avg Close $92.11 Range $82.77 - $96.10

Q3 2015

Shares 20,473 Value ($000) $2,903 Avg Close $87.51 Range $80.04 - $93.69

Q2 2015

Shares 19,737 Value ($000) $3,045 Avg Close $94.82 Range $91.30 - $98.85

Q1 2015

Shares 19,501 Value ($000) $3,217 Avg Close $96.87 Range $92.41 - $100.50

Q4 2014

Shares 19,262 Value ($000) $3,165 Avg Close $89.68 Range $76.10 - $98.51

Q3 2014

Shares 19,335 Value ($000) $2,739 Avg Close $83.50 Range $80.18 - $86.16

Q2 2014

Shares 18,792 Value ($000) $2,692 Avg Close $81.05 Range $76.00 - $84.30

Q1 2014

Shares 21,707 Value ($000) $2,945 Avg Close $76.26 Range $70.70 - $79.67

Q4 2013

Shares 20,109 Value ($000) $2,820 Avg Close $72.67 Range $66.39 - $80.32

Q3 2013

Shares 20,259 Value ($000) $2,419 Avg Close $65.98 Range $61.25 - $69.59

Q2 2013

Shares 20,359 Value ($000) $2,226 Avg Close $61.26 Range $57.91 - $64.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,352	$377	$163.18	$147.82 - $174.69
Q3 2025	1,802	$280	$153.11	$142.97 - $162.70
Q2 2025	1,802	$274	$141.25	$120.31 - $152.61
Q1 2025	1,802	$265	$144.58	$126.59 - $154.21
Q4 2024	2,177	$281	$128.38	$121.55 - $137.99
Q3 2024	4,765	$651	$119.14	$95.41 - $137.38
Q2 2024	4,849	$496	$94.27	$85.08 - $102.26
Q1 2024	5,523	$586	$79.29	$72.48 - $88.04
Q4 2023	6,781	$741	$75.54	$66.65 - $87.39
Q3 2023	9,428	$883	$79.56	$72.16 - $87.04
Q2 2023	11,297	$1,131	$77.55	$71.07 - $81.31
Q1 2023	12,224	$1,285	$84.88	$75.90 - $97.15
Q4 2022	11,480	$1,377	$90.68	$79.15 - $98.99
Q3 2022	11,624	$1,280	$96.43	$81.61 - $111.45
Q2 2022	11,242	$1,450	$105.20	$93.15 - $112.04
Q1 2022	11,348	$1,690	$114.60	$101.23 - $130.43
Q4 2021	11,518	$2,050	$127.29	$121.39 - $132.59
Q3 2021	11,504	$2,020	$137.32	$124.81 - $143.53
Q2 2021	11,470	$2,280	$140.42	$132.26 - $146.51
Q1 2021	11,480	$2,210	$125.09	$113.62 - $137.93
Q4 2020	11,113	$1,940	$117.52	$107.65 - $124.92
Q3 2020	11,113	$1,780	$110.37	$101.67 - $119.41
Q2 2020	11,122	$1,730	$102.42	$88.63 - $115.84
Q1 2020	11,059	$1,510	$105.95	$77.15 - $122.39
Q4 2019	16,841	$2,971	$111.76	$100.09 - $120.13
Q3 2019	16,841	$2,769	$110.63	$102.36 - $123.65
Q2 2019	17,240	$2,988	$120.63	$104.94 - $143.52
Q1 2019	17,440	$3,624	$131.07	$118.62 - $138.19
Q4 2018	17,440	$3,323	$128.25	$114.72 - $140.01
Q3 2018	17,440	$3,675	$132.20	$121.95 - $140.35
Q2 2018	17,640	$3,470	$130.14	$121.67 - $140.90
Q1 2018	17,715	$3,889	$150.16	$136.48 - $164.13
Q4 2017	18,295	$4,306	$144.97	$132.04 - $154.32
Q3 2017	18,964	$3,981	$129.88	$123.25 - $134.94
Q2 2017	19,466	$4,053	$124.67	$117.20 - $134.12
Q1 2017	19,466	$3,724	$113.65	$107.14 - $120.23
Q4 2016	19,496	$3,481	$106.20	$100.51 - $111.16
Q3 2016	20,716	$3,651	$109.19	$105.77 - $111.43
Q2 2016	21,053	$3,687	$102.46	$99.47 - $106.77
Q1 2016	21,253	$3,541	$92.76	$80.95 - $101.43
Q4 2015	20,373	$3,069	$92.11	$82.77 - $96.10
Q3 2015	20,473	$2,903	$87.51	$80.04 - $93.69
Q2 2015	19,737	$3,045	$94.82	$91.30 - $98.85
Q1 2015	19,501	$3,217	$96.87	$92.41 - $100.50
Q4 2014	19,262	$3,165	$89.68	$76.10 - $98.51
Q3 2014	19,335	$2,739	$83.50	$80.18 - $86.16
Q2 2014	18,792	$2,692	$81.05	$76.00 - $84.30
Q1 2014	21,707	$2,945	$76.26	$70.70 - $79.67
Q4 2013	20,109	$2,820	$72.67	$66.39 - $80.32
Q3 2013	20,259	$2,419	$65.98	$61.25 - $69.59
Q2 2013	20,359	$2,226	$61.26	$57.91 - $64.10