3M CO

Ticker: MMM CUSIP: 88579Y101 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 123,566 Value ($000) $19,783 Avg Close $163.18 Range $147.82 - $174.69

Q3 2025

Shares 127,904 Value ($000) $19,848 Avg Close $153.11 Range $142.97 - $162.70

Q2 2025

Shares 131,992 Value ($000) $20,094 Avg Close $141.25 Range $120.31 - $152.61

Q1 2025

Shares 124,154 Value ($000) $18,233 Avg Close $144.58 Range $126.59 - $154.21

Q4 2024

Shares 115,790 Value ($000) $14,947 Avg Close $128.38 Range $121.55 - $137.99

Q3 2024

Shares 119,589 Value ($000) $16,348 Avg Close $119.14 Range $95.41 - $137.38

Q2 2024

Shares 121,546 Value ($000) $12,421 Avg Close $94.27 Range $85.08 - $102.26

Q1 2024

Shares 121,334 Value ($000) $12,870 Avg Close $79.29 Range $72.48 - $88.04

Q4 2023

Shares 120,950 Value ($000) $13,222 Avg Close $75.54 Range $66.65 - $87.39

Q3 2023

Shares 110,988 Value ($000) $10,391 Avg Close $79.56 Range $72.16 - $87.04

Q2 2023

Shares 96,213 Value ($000) $9,630 Avg Close $77.55 Range $71.07 - $81.31

Q1 2023

Shares 93,323 Value ($000) $9,809 Avg Close $84.88 Range $75.90 - $97.15

Q4 2022

Shares 93,432 Value ($000) $11 Avg Close $90.68 Range $79.15 - $98.99

Q3 2022

Shares 77,329 Value ($000) $8,545 Avg Close $96.43 Range $81.61 - $111.45

Q2 2022

Shares 82,855 Value ($000) $10,722 Avg Close $105.20 Range $93.15 - $112.04

Q1 2022

Shares 76,415 Value ($000) $11,377 Avg Close $114.60 Range $101.23 - $130.43

Q4 2021

Shares 72,330 Value ($000) $12,848 Avg Close $127.29 Range $121.39 - $132.59

Q3 2021

Shares 72,513 Value ($000) $12,720 Avg Close $137.32 Range $124.81 - $143.53

Q2 2021

Shares 72,627 Value ($000) $14,426 Avg Close $140.42 Range $132.26 - $146.51

Q1 2021

Shares 72,427 Value ($000) $13,955 Avg Close $125.09 Range $113.62 - $137.93

Q4 2020

Shares 72,075 Value ($000) $12,598 Avg Close $117.52 Range $107.65 - $124.92

Q3 2020

Shares 53,371 Value ($000) $8,549 Avg Close $110.37 Range $101.67 - $119.41

Q2 2020

Shares 32,890 Value ($000) $5,131 Avg Close $102.42 Range $88.63 - $115.84

Q1 2020

Shares 36,739 Value ($000) $5,015 Avg Close $105.95 Range $77.15 - $122.39

Q4 2019

Shares 37,031 Value ($000) $6,533 Avg Close $111.76 Range $100.09 - $120.13

Q3 2019

Shares 36,864 Value ($000) $6,060 Avg Close $110.63 Range $102.36 - $123.65

Q2 2019

Shares 33,840 Value ($000) $5,866 Avg Close $120.63 Range $104.94 - $143.52

Q1 2019

Shares 33,663 Value ($000) $6,994 Avg Close $131.07 Range $118.62 - $138.19

Q4 2018

Shares 31,766 Value ($000) $6,053 Avg Close $128.25 Range $114.72 - $140.01

Q3 2018

Shares 48,138 Value ($000) $10,143 Avg Close $132.20 Range $121.95 - $140.35

Q2 2018

Shares 62,149 Value ($000) $12,226 Avg Close $130.14 Range $121.67 - $140.90

Q1 2018

Shares 53,286 Value ($000) $11,697 Avg Close $150.16 Range $136.48 - $164.13

Q4 2017

Shares 53,380 Value ($000) $12,564 Avg Close $144.97 Range $132.04 - $154.32

Q3 2017

Shares 48,533 Value ($000) $10,187 Avg Close $129.88 Range $123.25 - $134.94

Q2 2017

Shares 44,398 Value ($000) $9,243 Avg Close $124.67 Range $117.20 - $134.12

Q1 2017

Shares 44,225 Value ($000) $8,462 Avg Close $113.65 Range $107.14 - $120.23

Q4 2016

Shares 34,479 Value ($000) $6,157 Avg Close $106.20 Range $100.51 - $111.16

Q3 2016

Shares 34,519 Value ($000) $6,083 Avg Close $109.19 Range $105.77 - $111.43

Q2 2016

Shares 48,562 Value ($000) $8,504 Avg Close $102.46 Range $99.47 - $106.77

Q1 2016

Shares 44,899 Value ($000) $7,482 Avg Close $92.76 Range $80.95 - $101.43

Q4 2015

Shares 40,228 Value ($000) $6,060 Avg Close $92.11 Range $82.77 - $96.10

Q3 2015

Shares 40,140 Value ($000) $5,691 Avg Close $87.51 Range $80.04 - $93.69

Q2 2015

Shares 71,232 Value ($000) $10,991 Avg Close $94.82 Range $91.30 - $98.85

Q1 2015

Shares 72,819 Value ($000) $12,011 Avg Close $96.87 Range $92.41 - $100.50

Q4 2014

Shares 116,925 Value ($000) $19,213 Avg Close $89.68 Range $76.10 - $98.51

Q3 2014

Shares 118,836 Value ($000) $16,837 Avg Close $83.50 Range $80.18 - $86.16

Q2 2014

Shares 113,841 Value ($000) $16,307 Avg Close $81.05 Range $76.00 - $84.30

Q1 2014

Shares 126,617 Value ($000) $17,177 Avg Close $76.26 Range $70.70 - $79.67

Q4 2013

Shares 128,080 Value ($000) $17,963 Avg Close $72.67 Range $66.39 - $80.32

Q3 2013

Shares 138,605 Value ($000) $16,551 Avg Close $65.98 Range $61.25 - $69.59

Q2 2013

Shares 135,295 Value ($000) $14,795 Avg Close $61.26 Range $57.91 - $64.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	123,566	$19,783	$163.18	$147.82 - $174.69
Q3 2025	127,904	$19,848	$153.11	$142.97 - $162.70
Q2 2025	131,992	$20,094	$141.25	$120.31 - $152.61
Q1 2025	124,154	$18,233	$144.58	$126.59 - $154.21
Q4 2024	115,790	$14,947	$128.38	$121.55 - $137.99
Q3 2024	119,589	$16,348	$119.14	$95.41 - $137.38
Q2 2024	121,546	$12,421	$94.27	$85.08 - $102.26
Q1 2024	121,334	$12,870	$79.29	$72.48 - $88.04
Q4 2023	120,950	$13,222	$75.54	$66.65 - $87.39
Q3 2023	110,988	$10,391	$79.56	$72.16 - $87.04
Q2 2023	96,213	$9,630	$77.55	$71.07 - $81.31
Q1 2023	93,323	$9,809	$84.88	$75.90 - $97.15
Q4 2022	93,432	$11	$90.68	$79.15 - $98.99
Q3 2022	77,329	$8,545	$96.43	$81.61 - $111.45
Q2 2022	82,855	$10,722	$105.20	$93.15 - $112.04
Q1 2022	76,415	$11,377	$114.60	$101.23 - $130.43
Q4 2021	72,330	$12,848	$127.29	$121.39 - $132.59
Q3 2021	72,513	$12,720	$137.32	$124.81 - $143.53
Q2 2021	72,627	$14,426	$140.42	$132.26 - $146.51
Q1 2021	72,427	$13,955	$125.09	$113.62 - $137.93
Q4 2020	72,075	$12,598	$117.52	$107.65 - $124.92
Q3 2020	53,371	$8,549	$110.37	$101.67 - $119.41
Q2 2020	32,890	$5,131	$102.42	$88.63 - $115.84
Q1 2020	36,739	$5,015	$105.95	$77.15 - $122.39
Q4 2019	37,031	$6,533	$111.76	$100.09 - $120.13
Q3 2019	36,864	$6,060	$110.63	$102.36 - $123.65
Q2 2019	33,840	$5,866	$120.63	$104.94 - $143.52
Q1 2019	33,663	$6,994	$131.07	$118.62 - $138.19
Q4 2018	31,766	$6,053	$128.25	$114.72 - $140.01
Q3 2018	48,138	$10,143	$132.20	$121.95 - $140.35
Q2 2018	62,149	$12,226	$130.14	$121.67 - $140.90
Q1 2018	53,286	$11,697	$150.16	$136.48 - $164.13
Q4 2017	53,380	$12,564	$144.97	$132.04 - $154.32
Q3 2017	48,533	$10,187	$129.88	$123.25 - $134.94
Q2 2017	44,398	$9,243	$124.67	$117.20 - $134.12
Q1 2017	44,225	$8,462	$113.65	$107.14 - $120.23
Q4 2016	34,479	$6,157	$106.20	$100.51 - $111.16
Q3 2016	34,519	$6,083	$109.19	$105.77 - $111.43
Q2 2016	48,562	$8,504	$102.46	$99.47 - $106.77
Q1 2016	44,899	$7,482	$92.76	$80.95 - $101.43
Q4 2015	40,228	$6,060	$92.11	$82.77 - $96.10
Q3 2015	40,140	$5,691	$87.51	$80.04 - $93.69
Q2 2015	71,232	$10,991	$94.82	$91.30 - $98.85
Q1 2015	72,819	$12,011	$96.87	$92.41 - $100.50
Q4 2014	116,925	$19,213	$89.68	$76.10 - $98.51
Q3 2014	118,836	$16,837	$83.50	$80.18 - $86.16
Q2 2014	113,841	$16,307	$81.05	$76.00 - $84.30
Q1 2014	126,617	$17,177	$76.26	$70.70 - $79.67
Q4 2013	128,080	$17,963	$72.67	$66.39 - $80.32
Q3 2013	138,605	$16,551	$65.98	$61.25 - $69.59
Q2 2013	135,295	$14,795	$61.26	$57.91 - $64.10