MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

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

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

Q4 2025

Shares 14,539 Value ($000) $3,160 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 14,639 Value ($000) $3,115 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 14,739 Value ($000) $2,512 Avg Close $144.03 Range $99.70 - $172.71

Q1 2025

Shares 14,739 Value ($000) $1,720 Avg Close $134.92 Range $106.45 - $166.95

Q4 2024

Shares 14,539 Value ($000) $1,979 Avg Close $134.07 Range $118.86 - $150.12

Q3 2024

Shares 14,639 Value ($000) $1,802 Avg Close $109.17 Range $89.96 - $127.97

Q2 2024

Shares 14,639 Value ($000) $1,566 Avg Close $101.02 Range $82.29 - $113.12

Q1 2024

Shares 14,839 Value ($000) $1,384 Avg Close $76.04 Range $60.96 - $94.82

Q4 2023

Shares 14,539 Value ($000) $1,101 Avg Close $62.54 Range $44.65 - $76.56

Q3 2023

Shares 14,439 Value ($000) $1,039 Avg Close $99.67 Range $71.61 - $123.33

Q2 2023

Shares 14,939 Value ($000) $1,762 Avg Close $97.94 Range $84.80 - $118.32

Q1 2023

Shares 14,939 Value ($000) $1,411 Avg Close $95.07 Range $84.89 - $103.50

Q4 2022

Shares 15,039 Value ($000) $1,283 Avg Close $82.03 Range $62.36 - $96.54

Q3 2022

Shares 14,439 Value ($000) $917 Avg Close $77.37 Range $62.64 - $86.57

Q2 2022

Shares 14,539 Value ($000) $1,042 Avg Close $77.96 Range $67.31 - $92.03

Q1 2022

Shares 14,939 Value ($000) $1,301 Avg Close $87.37 Range $71.85 - $99.00

Q4 2021

Shares 14,513 Value ($000) $1,339 Avg Close $91.39 Range $83.90 - $104.21

Q3 2021

Shares 14,313 Value ($000) $1,235 Avg Close $94.87 Range $85.11 - $107.25

Q2 2021

Shares 14,213 Value ($000) $1,508 Avg Close $108.58 Range $93.16 - $122.33

Q1 2021

Shares 20,913 Value ($000) $1,960 Avg Close $85.57 Range $67.05 - $99.38

Q4 2020

Shares 20,413 Value ($000) $1,392 Avg Close $56.09 Range $40.18 - $71.11

Q3 2020

Shares 20,413 Value ($000) $861 Avg Close $42.99 Range $36.81 - $49.86

Q2 2020

Shares 21,213 Value ($000) $952 Avg Close $37.90 Range $28.39 - $48.32

Q1 2020

Shares 16,700 Value ($000) $547 Avg Close $50.87 Range $22.51 - $65.00

Q4 2019

Shares 17,700 Value ($000) $1,136 Avg Close $65.85 Range $59.85 - $73.71

Q3 2019

Shares 17,500 Value ($000) $1,136 Avg Close $58.36 Range $49.23 - $66.61

Q2 2019

Shares 18,300 Value ($000) $943 Avg Close $49.40 Range $45.52 - $53.80

Q1 2019

Shares 22,000 Value ($000) $1,058 Avg Close $44.93 Range $39.30 - $48.77

Q4 2018

Shares 22,700 Value ($000) $921 Avg Close $43.06 Range $37.24 - $51.77

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,539	$3,160	$209.86	$182.34 - $233.14
Q3 2025	14,639	$3,115	$183.12	$160.08 - $213.66
Q2 2025	14,739	$2,512	$144.03	$99.70 - $172.71
Q1 2025	14,739	$1,720	$134.92	$106.45 - $166.95
Q4 2024	14,539	$1,979	$134.07	$118.86 - $150.12
Q3 2024	14,639	$1,802	$109.17	$89.96 - $127.97
Q2 2024	14,639	$1,566	$101.02	$82.29 - $113.12
Q1 2024	14,839	$1,384	$76.04	$60.96 - $94.82
Q4 2023	14,539	$1,101	$62.54	$44.65 - $76.56
Q3 2023	14,439	$1,039	$99.67	$71.61 - $123.33
Q2 2023	14,939	$1,762	$97.94	$84.80 - $118.32
Q1 2023	14,939	$1,411	$95.07	$84.89 - $103.50
Q4 2022	15,039	$1,283	$82.03	$62.36 - $96.54
Q3 2022	14,439	$917	$77.37	$62.64 - $86.57
Q2 2022	14,539	$1,042	$77.96	$67.31 - $92.03
Q1 2022	14,939	$1,301	$87.37	$71.85 - $99.00
Q4 2021	14,513	$1,339	$91.39	$83.90 - $104.21
Q3 2021	14,313	$1,235	$94.87	$85.11 - $107.25
Q2 2021	14,213	$1,508	$108.58	$93.16 - $122.33
Q1 2021	20,913	$1,960	$85.57	$67.05 - $99.38
Q4 2020	20,413	$1,392	$56.09	$40.18 - $71.11
Q3 2020	20,413	$861	$42.99	$36.81 - $49.86
Q2 2020	21,213	$952	$37.90	$28.39 - $48.32
Q1 2020	16,700	$547	$50.87	$22.51 - $65.00
Q4 2019	17,700	$1,136	$65.85	$59.85 - $73.71
Q3 2019	17,500	$1,136	$58.36	$49.23 - $66.61
Q2 2019	18,300	$943	$49.40	$45.52 - $53.80
Q1 2019	22,000	$1,058	$44.93	$39.30 - $48.77
Q4 2018	22,700	$921	$43.06	$37.24 - $51.77