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SIR Capital Management, L.P.

Position in MTZ — Mastec Inc

CIK 1434997 NEW YORK, NY

Position in MTZ

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$20,998,132
+$9,254,944 QoQ
Shares Held
50,469
+38.3% QoQ
Ownership
0.063%
of shares outstanding
% of Portfolio
2.46%
of 13F equity value
Holder Rank
#117
of 908 holders
Holding Since
Sep 2020
18 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MTZ Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Jun 30, 2026

SIR Capital Management, L.P. holds $53,440,141 across 6 Engineering & Construction names. MTZ ranks #1 (39.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MTZ
Mastec Inc
This page
50,469 $20,998,132

All Filings in MTZ

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18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $20,998,132 50,469
2026-03-31 $11,743,188 36,499
2025-12-31 $28,670,885 131,899
2025-09-30 $28,684,234 134,788
2025-06-30 $11,996,226 70,388
2025-03-31 $5,052,142 43,288
2024-12-31 $10,581,209 77,723
2024-09-30 $7,413,451 60,223
2024-06-30 $11,157,880 104,289
2024-03-31 $9,985,956 107,088
2022-06-30 $3,597,332 50,200
2022-03-31 $477,308 5,480
2021-12-31 $644,114 6,980
2021-09-30 $5,804,918 67,280
2021-06-30 $7,138,408 67,280
2021-03-31 $6,931,926 73,980
2020-12-31 $7,677,068 112,600
2020-09-30 $1,261,780 29,900