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CASTLEARK MANAGEMENT LLC

Position in MTZ — Mastec Inc

CIK 1106832 CHICAGO, IL

Position in MTZ

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$1,119,201
+$253,721 QoQ
Shares Held
2,690
0.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#457
of 910 holders
Holding Since
Jun 2020
10 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

CASTLEARK MANAGEMENT LLC holds $50,024,814 across 10 Engineering & Construction names. MTZ ranks #8 (2.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
8 MTZ
Mastec Inc
This page
2,690 $1,119,201

All Filings in MTZ

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10 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,119,201 2,690
2026-03-31 $865,480 2,690
2025-12-31 $1,841,123 8,470
2025-09-30 $753,347 3,540
2025-06-30 $603,322 3,540
2025-03-31 $915,006 7,840
2023-06-30 $7,205,607 61,080
2023-03-31 $6,179,209 65,430
2022-12-31 $5,583,141 65,430
2020-06-30 $7,498,001 167,105