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MILLENNIUM MANAGEMENT LLC

Position in MTZ — Mastec Inc

CIK 1273087 NEW YORK, NY

Position in MTZ

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$18,264,201
-$143,635,045 QoQ
Shares Held
43,898
-91.3% QoQ
Ownership
0.055%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#126
of 910 holders
Holding Since
Jun 2020
23 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MTZ Over Time

Shares Held

Position Value (USD)

Derivatives in MTZ

reported options exposure · as of Jun 30, 2026
CallValue
$873,726
CallShares
2,100
PutValue
$457,666
PutShares
1,100

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

MILLENNIUM MANAGEMENT LLC holds $1,903,317,460 across 37 Engineering & Construction names. MTZ ranks #22 (1.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in MTZ

Export CSV
37 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $873,726 2,100
2026-06-30 $18,264,201 43,898
2026-06-30 $457,666 1,100
2026-03-31 $161,899,246 503,199
2026-03-31 $289,566 900
2025-12-31 $159,174,182 732,273
2025-09-30 $1,468,389 6,900
2025-09-30 $177,356,279 833,402
2025-06-30 $749,892 4,400
2025-06-30 $1,158,924 6,800
2025-06-30 $183,693,203 1,077,822
2025-03-31 $1,225,455 10,500
2025-03-31 $525,195 4,500
2025-03-31 $110,448,041 946,346
2024-12-31 $571,788 4,200
2024-12-31 $198,811,912 1,460,349
2024-09-30 $1,784,950 14,500
2024-09-30 $215,827,044 1,753,266
2024-09-30 $1,563,370 12,700
2024-06-30 $1,358,773 12,700
2024-06-30 $1,101,997 10,300
2024-06-30 $65,181,731 609,232
2024-03-31 $105,246,332 1,128,647
2023-12-31 $96,478,713 1,274,151
2023-12-31 $3,786,000 50,000
2023-09-30 $16,626,005 231,013
2023-06-30 $61,284,589 519,493
2023-03-31 $42,700,290 452,142
2022-09-30 $720,153 11,341
2022-06-30 $3,522,017 49,149
2022-03-31 $360,245 4,136
2021-12-31 $11,542,474 125,081
2021-09-30 $45,081,213 522,499
2021-06-30 $63,734,376 600,701
2021-03-31 $7,178,450 76,611
2020-09-30 $17,707,457 419,608
2020-06-30 $664,031 14,799