MASTEC INC

Ticker: MTZ CUSIP: 576323109 Class: COM

Electron Capital Partners, LLC's Holding History (CIK: 0001586986)

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

Q4 2025

Shares 804,303 Value ($000) $174,831 Avg Close $209.86 Range $182.34 - $233.14

Q3 2025

Shares 819,091 Value ($000) $174,311 Avg Close $183.12 Range $160.08 - $213.66

Q2 2025

Shares 747,333 Value ($000) $127,368 Avg Close $144.03 Range $99.70 - $172.71

Q1 2025

Shares 732,829 Value ($000) $85,528 Avg Close $134.92 Range $106.45 - $166.95

Q4 2024

Shares 1,036,909 Value ($000) $141,165 Avg Close $134.07 Range $118.86 - $150.12

Q3 2024

Shares 1,266,569 Value ($000) $155,915 Avg Close $109.17 Range $89.96 - $127.97

Q2 2024

Shares 1,432,335 Value ($000) $153,246 Avg Close $101.02 Range $82.29 - $113.12

Q1 2024

Shares 1,720,076 Value ($000) $160,397 Avg Close $76.04 Range $60.96 - $94.82

Q4 2023

Shares 1,725,209 Value ($000) $130,633 Avg Close $62.54 Range $44.65 - $76.56

Q3 2023

Shares 1,486,335 Value ($000) $106,972 Avg Close $99.67 Range $71.61 - $123.33

Q2 2023

Shares 1,419,746 Value ($000) $167,487 Avg Close $97.94 Range $84.80 - $118.32

Q1 2023

Shares 1,455,779 Value ($000) $137,484 Avg Close $95.07 Range $84.89 - $103.50

Q4 2022

Shares 1,575,421 Value ($000) $134,431 Avg Close $82.03 Range $62.36 - $96.54

Q3 2022

Shares 1,320,399 Value ($000) $83,845 Avg Close $77.37 Range $62.64 - $86.57

Q2 2022

Shares 793,862 Value ($000) $56,888 Avg Close $77.96 Range $67.31 - $92.03

Q1 2022

Shares 800,545 Value ($000) $69,727 Avg Close $87.37 Range $71.85 - $99.00

Q4 2021

Shares 790,225 Value ($000) $72,922 Avg Close $91.39 Range $83.90 - $104.21

Q3 2021

Shares 843,562 Value ($000) $72,783 Avg Close $94.87 Range $85.11 - $107.25

Q2 2021

Shares 684,712 Value ($000) $72,648 Avg Close $108.58 Range $93.16 - $122.33

Q1 2021

Shares 707,075 Value ($000) $66,253 Avg Close $85.57 Range $67.05 - $99.38

Q4 2020

Shares 546,547 Value ($000) $37,264 Avg Close $56.09 Range $40.18 - $71.11

Q1 2020

Shares 52,874 Value ($000) $1,731 Avg Close $50.87 Range $22.51 - $65.00

Q4 2014

Shares 87,296 Value ($000) $1,974 Avg Close $24.73 Range $18.14 - $30.70

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	804,303	$174,831	$209.86	$182.34 - $233.14
Q3 2025	819,091	$174,311	$183.12	$160.08 - $213.66
Q2 2025	747,333	$127,368	$144.03	$99.70 - $172.71
Q1 2025	732,829	$85,528	$134.92	$106.45 - $166.95
Q4 2024	1,036,909	$141,165	$134.07	$118.86 - $150.12
Q3 2024	1,266,569	$155,915	$109.17	$89.96 - $127.97
Q2 2024	1,432,335	$153,246	$101.02	$82.29 - $113.12
Q1 2024	1,720,076	$160,397	$76.04	$60.96 - $94.82
Q4 2023	1,725,209	$130,633	$62.54	$44.65 - $76.56
Q3 2023	1,486,335	$106,972	$99.67	$71.61 - $123.33
Q2 2023	1,419,746	$167,487	$97.94	$84.80 - $118.32
Q1 2023	1,455,779	$137,484	$95.07	$84.89 - $103.50
Q4 2022	1,575,421	$134,431	$82.03	$62.36 - $96.54
Q3 2022	1,320,399	$83,845	$77.37	$62.64 - $86.57
Q2 2022	793,862	$56,888	$77.96	$67.31 - $92.03
Q1 2022	800,545	$69,727	$87.37	$71.85 - $99.00
Q4 2021	790,225	$72,922	$91.39	$83.90 - $104.21
Q3 2021	843,562	$72,783	$94.87	$85.11 - $107.25
Q2 2021	684,712	$72,648	$108.58	$93.16 - $122.33
Q1 2021	707,075	$66,253	$85.57	$67.05 - $99.38
Q4 2020	546,547	$37,264	$56.09	$40.18 - $71.11
Q1 2020	52,874	$1,731	$50.87	$22.51 - $65.00
Q4 2014	87,296	$1,974	$24.73	$18.14 - $30.70