WATSCO INC

Ticker: WSO CUSIP: 942622200 Class: Com

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

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

Q4 2025

Shares 8,283 Value ($000) $2,791 Avg Close $357.07 Range $323.05 - $421.57

Q3 2025

Shares 8,283 Value ($000) $3,349 Avg Close $427.59 Range $378.35 - $494.94

Q2 2025

Shares 8,383 Value ($000) $3,702 Avg Close $463.89 Range $418.31 - $521.09

Q1 2025

Shares 8,383 Value ($000) $4,261 Avg Close $492.90 Range $457.76 - $535.40

Q4 2024

Shares 8,283 Value ($000) $3,925 Avg Close $506.45 Range $454.91 - $571.42

Q3 2024

Shares 8,883 Value ($000) $4,369 Avg Close $480.65 Range $439.08 - $520.41

Q2 2024

Shares 8,283 Value ($000) $3,837 Avg Close $457.10 Range $396.82 - $493.65

Q1 2024

Shares 8,283 Value ($000) $3,578 Avg Close $401.75 Range $373.33 - $441.29

Q4 2023

Shares 8,683 Value ($000) $3,720 Avg Close $387.45 Range $338.58 - $433.19

Q3 2023

Shares 8,583 Value ($000) $3,242 Avg Close $361.55 Range $337.58 - $386.40

Q2 2023

Shares 9,083 Value ($000) $3,465 Avg Close $339.09 Range $298.79 - $383.83

Q1 2023

Shares 8,383 Value ($000) $2,667 Avg Close $293.75 Range $251.49 - $343.85

Q4 2022

Shares 8,483 Value ($000) $2,116 Avg Close $262.94 Range $228.61 - $287.20

Q3 2022

Shares 8,383 Value ($000) $2,158 Avg Close $270.99 Range $230.00 - $306.61

Q2 2022

Shares 8,483 Value ($000) $2,026 Avg Close $263.17 Range $220.68 - $310.26

Q1 2022

Shares 8,383 Value ($000) $2,554 Avg Close $285.22 Range $252.50 - $316.05

Q4 2021

Shares 8,341 Value ($000) $2,610 Avg Close $296.23 Range $263.70 - $318.98

Q3 2021

Shares 8,241 Value ($000) $2,181 Avg Close $280.42 Range $264.62 - $296.68

Q2 2021

Shares 8,341 Value ($000) $2,391 Avg Close $286.30 Range $262.93 - $307.81

Q1 2021

Shares 12,141 Value ($000) $3,166 Avg Close $246.59 Range $224.25 - $266.07

Q4 2020

Shares 11,941 Value ($000) $2,705 Avg Close $229.84 Range $216.25 - $248.98

Q3 2020

Shares 11,941 Value ($000) $2,781 Avg Close $225.27 Range $176.40 - $249.30

Q2 2020

Shares 11,941 Value ($000) $2,122 Avg Close $165.49 Range $144.16 - $182.92

Q1 2020

Shares 9,000 Value ($000) $1,422 Avg Close $168.85 Range $132.97 - $186.87

Q4 2019

Shares 9,600 Value ($000) $1,729 Avg Close $175.89 Range $158.27 - $183.00

Q3 2019

Shares 9,500 Value ($000) $1,607 Avg Close $162.17 Range $153.12 - $170.57

Q2 2019

Shares 9,500 Value ($000) $1,554 Avg Close $157.07 Range $141.46 - $169.39

Q1 2019

Shares 11,500 Value ($000) $1,647 Avg Close $143.49 Range $136.35 - $153.49

Q4 2018

Shares 11,400 Value ($000) $1,586 Avg Close $152.42 Range $131.88 - $179.17

Q3 2018

Shares 11,900 Value ($000) $2,119 Avg Close $176.68 Range $163.95 - $187.46

Q2 2018

Shares 11,800 Value ($000) $2,104 Avg Close $181.90 Range $164.19 - $192.94

Q1 2018

Shares 11,700 Value ($000) $2,117 Avg Close $173.34 Range $160.08 - $183.84

Q4 2017

Shares 11,000 Value ($000) $1,870 Avg Close $165.20 Range $155.57 - $172.00

Q3 2017

Shares 11,400 Value ($000) $1,836 Avg Close $151.09 Range $141.61 - $161.86

Q2 2017

Shares 12,500 Value ($000) $1,928 Avg Close $142.89 Range $134.08 - $158.17

Q1 2017

Shares 12,300 Value ($000) $1,761 Avg Close $149.72 Range $141.72 - $157.74

Q4 2016

Shares 10,400 Value ($000) $1,540 Avg Close $144.92 Range $128.60 - $159.55

Q3 2016

Shares 10,400 Value ($000) $1,465 Avg Close $143.26 Range $137.60 - $149.99

Q2 2016

Shares 10,400 Value ($000) $1,463 Avg Close $134.20 Range $127.66 - $140.69

Q1 2016

Shares 10,300 Value ($000) $1,388 Avg Close $121.32 Range $106.58 - $136.43

Q4 2015

Shares 10,200 Value ($000) $1,195 Avg Close $123.29 Range $110.17 - $133.09

Q3 2015

Shares 11,800 Value ($000) $1,398 Avg Close $124.67 Range $117.06 - $132.23

Q2 2015

Shares 12,500 Value ($000) $1,547 Avg Close $124.45 Range $119.59 - $131.10

Q1 2015

Shares 12,400 Value ($000) $1,559 Avg Close $114.74 Range $102.99 - $125.97

Q4 2014

Shares 13,000 Value ($000) $1,391 Avg Close $99.34 Range $85.04 - $108.85

Q3 2014

Shares 12,900 Value ($000) $1,112 Avg Close $92.47 Range $84.28 - $105.19

Q2 2014

Shares 12,900 Value ($000) $1,326 Avg Close $101.18 Range $95.96 - $105.39

Q1 2014

Shares 12,800 Value ($000) $1,279 Avg Close $96.52 Range $90.60 - $101.13

Q4 2013

Shares 12,700 Value ($000) $1,220 Avg Close $94.95 Range $90.03 - $98.13

Q3 2013

Shares 12,500 Value ($000) $1,178 Avg Close $91.53 Range $83.87 - $97.61

Q2 2013

Shares 13,700 Value ($000) $1,150 Avg Close $84.42 Range $77.09 - $90.41

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	8,283	$2,791	$357.07	$323.05 - $421.57
Q3 2025	8,283	$3,349	$427.59	$378.35 - $494.94
Q2 2025	8,383	$3,702	$463.89	$418.31 - $521.09
Q1 2025	8,383	$4,261	$492.90	$457.76 - $535.40
Q4 2024	8,283	$3,925	$506.45	$454.91 - $571.42
Q3 2024	8,883	$4,369	$480.65	$439.08 - $520.41
Q2 2024	8,283	$3,837	$457.10	$396.82 - $493.65
Q1 2024	8,283	$3,578	$401.75	$373.33 - $441.29
Q4 2023	8,683	$3,720	$387.45	$338.58 - $433.19
Q3 2023	8,583	$3,242	$361.55	$337.58 - $386.40
Q2 2023	9,083	$3,465	$339.09	$298.79 - $383.83
Q1 2023	8,383	$2,667	$293.75	$251.49 - $343.85
Q4 2022	8,483	$2,116	$262.94	$228.61 - $287.20
Q3 2022	8,383	$2,158	$270.99	$230.00 - $306.61
Q2 2022	8,483	$2,026	$263.17	$220.68 - $310.26
Q1 2022	8,383	$2,554	$285.22	$252.50 - $316.05
Q4 2021	8,341	$2,610	$296.23	$263.70 - $318.98
Q3 2021	8,241	$2,181	$280.42	$264.62 - $296.68
Q2 2021	8,341	$2,391	$286.30	$262.93 - $307.81
Q1 2021	12,141	$3,166	$246.59	$224.25 - $266.07
Q4 2020	11,941	$2,705	$229.84	$216.25 - $248.98
Q3 2020	11,941	$2,781	$225.27	$176.40 - $249.30
Q2 2020	11,941	$2,122	$165.49	$144.16 - $182.92
Q1 2020	9,000	$1,422	$168.85	$132.97 - $186.87
Q4 2019	9,600	$1,729	$175.89	$158.27 - $183.00
Q3 2019	9,500	$1,607	$162.17	$153.12 - $170.57
Q2 2019	9,500	$1,554	$157.07	$141.46 - $169.39
Q1 2019	11,500	$1,647	$143.49	$136.35 - $153.49
Q4 2018	11,400	$1,586	$152.42	$131.88 - $179.17
Q3 2018	11,900	$2,119	$176.68	$163.95 - $187.46
Q2 2018	11,800	$2,104	$181.90	$164.19 - $192.94
Q1 2018	11,700	$2,117	$173.34	$160.08 - $183.84
Q4 2017	11,000	$1,870	$165.20	$155.57 - $172.00
Q3 2017	11,400	$1,836	$151.09	$141.61 - $161.86
Q2 2017	12,500	$1,928	$142.89	$134.08 - $158.17
Q1 2017	12,300	$1,761	$149.72	$141.72 - $157.74
Q4 2016	10,400	$1,540	$144.92	$128.60 - $159.55
Q3 2016	10,400	$1,465	$143.26	$137.60 - $149.99
Q2 2016	10,400	$1,463	$134.20	$127.66 - $140.69
Q1 2016	10,300	$1,388	$121.32	$106.58 - $136.43
Q4 2015	10,200	$1,195	$123.29	$110.17 - $133.09
Q3 2015	11,800	$1,398	$124.67	$117.06 - $132.23
Q2 2015	12,500	$1,547	$124.45	$119.59 - $131.10
Q1 2015	12,400	$1,559	$114.74	$102.99 - $125.97
Q4 2014	13,000	$1,391	$99.34	$85.04 - $108.85
Q3 2014	12,900	$1,112	$92.47	$84.28 - $105.19
Q2 2014	12,900	$1,326	$101.18	$95.96 - $105.39
Q1 2014	12,800	$1,279	$96.52	$90.60 - $101.13
Q4 2013	12,700	$1,220	$94.95	$90.03 - $98.13
Q3 2013	12,500	$1,178	$91.53	$83.87 - $97.61
Q2 2013	13,700	$1,150	$84.42	$77.09 - $90.41