3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

GUARDIAN INVESTMENT MANAGEMENT's Holding History (CIK: 0001365474)

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

Q4 2025

Shares 9,500 Value ($000) $1,521 Avg Close $163.18 Range $147.82 - $174.69

Q3 2025

Shares 9,500 Value ($000) $1,474 Avg Close $153.11 Range $142.97 - $162.70

Q2 2025

Shares 9,000 Value ($000) $1,370 Avg Close $141.25 Range $120.31 - $152.61

Q1 2025

Shares 9,800 Value ($000) $1,431 Avg Close $144.58 Range $126.59 - $154.21

Q4 2024

Shares 12,100 Value ($000) $1,562 Avg Close $128.38 Range $121.55 - $137.99

Q3 2024

Shares 12,250 Value ($000) $1,675 Avg Close $119.14 Range $95.41 - $137.38

Q2 2024

Shares 12,275 Value ($000) $1,254 Avg Close $94.27 Range $85.08 - $102.26

Q1 2024

Shares 12,400 Value ($000) $1,315 Avg Close $79.29 Range $72.48 - $88.04

Q4 2023

Shares 12,600 Value ($000) $1,377 Avg Close $75.54 Range $66.65 - $87.39

Q3 2023

Shares 12,630 Value ($000) $1,182 Avg Close $79.56 Range $72.16 - $87.04

Q2 2023

Shares 16,730 Value ($000) $1,675 Avg Close $77.55 Range $71.07 - $81.31

Q1 2023

Shares 16,181 Value ($000) $3,118 Avg Close $84.88 Range $75.90 - $97.15

Q4 2022

Shares 17,096 Value ($000) $2,050 Avg Close $90.68 Range $79.15 - $98.99

Q3 2022

Shares 22,296 Value ($000) $2,463 Avg Close $96.43 Range $81.61 - $111.45

Q2 2022

Shares 19,696 Value ($000) $2,548 Avg Close $105.20 Range $93.15 - $112.04

Q1 2022

Shares 17,681 Value ($000) $2,632 Avg Close $114.60 Range $101.23 - $130.43

Q4 2021

Shares 17,681 Value ($000) $3,140 Avg Close $127.29 Range $121.39 - $132.59

Q3 2021

Shares 17,381 Value ($000) $3,048 Avg Close $137.32 Range $124.81 - $143.53

Q2 2021

Shares 17,381 Value ($000) $3,452 Avg Close $140.42 Range $132.26 - $146.51

Q1 2021

Shares 16,881 Value ($000) $3,117 Avg Close $125.09 Range $113.62 - $137.93

Q4 2020

Shares 17,881 Value ($000) $3,142 Avg Close $117.52 Range $107.65 - $124.92

Q3 2020

Shares 18,147 Value ($000) $2,906 Avg Close $110.37 Range $101.67 - $119.41

Q2 2020

Shares 18,147 Value ($000) $2,831 Avg Close $102.42 Range $88.63 - $115.84

Q1 2020

Shares 17,377 Value ($000) $2,372 Avg Close $105.95 Range $77.15 - $122.39

Q4 2019

Shares 14,477 Value ($000) $2,554 Avg Close $111.76 Range $100.09 - $120.13

Q3 2019

Shares 14,477 Value ($000) $2,308 Avg Close $110.63 Range $102.36 - $123.65

Q2 2019

Shares 14,477 Value ($000) $2,509 Avg Close $120.63 Range $104.94 - $143.52

Q1 2019

Shares 14,477 Value ($000) $3,008 Avg Close $131.07 Range $118.62 - $138.19

Q4 2018

Shares 14,853 Value ($000) $2,830 Avg Close $128.25 Range $114.72 - $140.01

Q3 2018

Shares 14,578 Value ($000) $3,071 Avg Close $132.20 Range $121.95 - $140.35

Q2 2018

Shares 14,578 Value ($000) $2,867 Avg Close $130.14 Range $121.67 - $140.90

Q1 2018

Shares 14,578 Value ($000) $3,200 Avg Close $150.16 Range $136.48 - $164.13

Q4 2017

Shares 15,678 Value ($000) $3,690 Avg Close $144.97 Range $132.04 - $154.32

Q3 2017

Shares 16,128 Value ($000) $3,385 Avg Close $129.88 Range $123.25 - $134.94

Q2 2017

Shares 16,128 Value ($000) $3,357 Avg Close $124.67 Range $117.20 - $134.12

Q1 2017

Shares 18,103 Value ($000) $3,463 Avg Close $113.65 Range $107.14 - $120.23

Q4 2016

Shares 16,203 Value ($000) $2,894 Avg Close $106.20 Range $100.51 - $111.16

Q3 2016

Shares 15,953 Value ($000) $2,794 Avg Close $109.19 Range $105.77 - $111.43

Q2 2016

Shares 15,953 Value ($000) $2,794 Avg Close $102.46 Range $99.47 - $106.77

Q1 2016

Shares 16,483 Value ($000) $2,746 Avg Close $92.76 Range $80.95 - $101.43

Q4 2015

Shares 19,483 Value ($000) $2,934 Avg Close $92.11 Range $82.77 - $96.10

Q3 2015

Shares 20,000 Value ($000) $2,835 Avg Close $87.51 Range $80.04 - $93.69

Q2 2015

Shares 20,000 Value ($000) $3,113 Avg Close $94.82 Range $91.30 - $98.85

Q1 2015

Shares 20,000 Value ($000) $3,256 Avg Close $96.87 Range $92.41 - $100.50

Q4 2014

Shares 20,000 Value ($000) $3,286 Avg Close $89.68 Range $76.10 - $98.51

Q3 2014

Shares 20,000 Value ($000) $2,715 Avg Close $83.50 Range $80.18 - $86.16

Q2 2014

Shares 20,000 Value ($000) $2,864 Avg Close $81.05 Range $76.00 - $84.30

Q1 2014

Shares 20,000 Value ($000) $2,715 Avg Close $76.26 Range $70.70 - $79.67

Q4 2013

Shares 20,000 Value ($000) $2,366 Avg Close $72.67 Range $66.39 - $80.32

Q3 2013

Shares 20,000 Value ($000) $2,366 Avg Close $65.98 Range $61.25 - $69.59

Q2 2013

Shares 19,300 Value ($000) $2,119 Avg Close $61.26 Range $57.91 - $64.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,500	$1,521	$163.18	$147.82 - $174.69
Q3 2025	9,500	$1,474	$153.11	$142.97 - $162.70
Q2 2025	9,000	$1,370	$141.25	$120.31 - $152.61
Q1 2025	9,800	$1,431	$144.58	$126.59 - $154.21
Q4 2024	12,100	$1,562	$128.38	$121.55 - $137.99
Q3 2024	12,250	$1,675	$119.14	$95.41 - $137.38
Q2 2024	12,275	$1,254	$94.27	$85.08 - $102.26
Q1 2024	12,400	$1,315	$79.29	$72.48 - $88.04
Q4 2023	12,600	$1,377	$75.54	$66.65 - $87.39
Q3 2023	12,630	$1,182	$79.56	$72.16 - $87.04
Q2 2023	16,730	$1,675	$77.55	$71.07 - $81.31
Q1 2023	16,181	$3,118	$84.88	$75.90 - $97.15
Q4 2022	17,096	$2,050	$90.68	$79.15 - $98.99
Q3 2022	22,296	$2,463	$96.43	$81.61 - $111.45
Q2 2022	19,696	$2,548	$105.20	$93.15 - $112.04
Q1 2022	17,681	$2,632	$114.60	$101.23 - $130.43
Q4 2021	17,681	$3,140	$127.29	$121.39 - $132.59
Q3 2021	17,381	$3,048	$137.32	$124.81 - $143.53
Q2 2021	17,381	$3,452	$140.42	$132.26 - $146.51
Q1 2021	16,881	$3,117	$125.09	$113.62 - $137.93
Q4 2020	17,881	$3,142	$117.52	$107.65 - $124.92
Q3 2020	18,147	$2,906	$110.37	$101.67 - $119.41
Q2 2020	18,147	$2,831	$102.42	$88.63 - $115.84
Q1 2020	17,377	$2,372	$105.95	$77.15 - $122.39
Q4 2019	14,477	$2,554	$111.76	$100.09 - $120.13
Q3 2019	14,477	$2,308	$110.63	$102.36 - $123.65
Q2 2019	14,477	$2,509	$120.63	$104.94 - $143.52
Q1 2019	14,477	$3,008	$131.07	$118.62 - $138.19
Q4 2018	14,853	$2,830	$128.25	$114.72 - $140.01
Q3 2018	14,578	$3,071	$132.20	$121.95 - $140.35
Q2 2018	14,578	$2,867	$130.14	$121.67 - $140.90
Q1 2018	14,578	$3,200	$150.16	$136.48 - $164.13
Q4 2017	15,678	$3,690	$144.97	$132.04 - $154.32
Q3 2017	16,128	$3,385	$129.88	$123.25 - $134.94
Q2 2017	16,128	$3,357	$124.67	$117.20 - $134.12
Q1 2017	18,103	$3,463	$113.65	$107.14 - $120.23
Q4 2016	16,203	$2,894	$106.20	$100.51 - $111.16
Q3 2016	15,953	$2,794	$109.19	$105.77 - $111.43
Q2 2016	15,953	$2,794	$102.46	$99.47 - $106.77
Q1 2016	16,483	$2,746	$92.76	$80.95 - $101.43
Q4 2015	19,483	$2,934	$92.11	$82.77 - $96.10
Q3 2015	20,000	$2,835	$87.51	$80.04 - $93.69
Q2 2015	20,000	$3,113	$94.82	$91.30 - $98.85
Q1 2015	20,000	$3,256	$96.87	$92.41 - $100.50
Q4 2014	20,000	$3,286	$89.68	$76.10 - $98.51
Q3 2014	20,000	$2,715	$83.50	$80.18 - $86.16
Q2 2014	20,000	$2,864	$81.05	$76.00 - $84.30
Q1 2014	20,000	$2,715	$76.26	$70.70 - $79.67
Q4 2013	20,000	$2,366	$72.67	$66.39 - $80.32
Q3 2013	20,000	$2,366	$65.98	$61.25 - $69.59
Q2 2013	19,300	$2,119	$61.26	$57.91 - $64.10