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HENNESSY ADVISORS INC

Position in MTZ — Mastec Inc

CIK 1145255 NOVATO, CA

Position in MTZ

as of Mar 31, 2026 · filed Apr 21, 2026
Position Value
$65,988,874
+$16,732,832 QoQ
Shares Held
205,100
-9.5% QoQ
Ownership
0.260%
of shares outstanding
% of Portfolio
2.41%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
6 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MTZ Over Time

Shares Held

Position Value (USD)

Position in Engineering & Construction

Industrials · as of Mar 31, 2026

HENNESSY ADVISORS INC holds $255,672,524 across 6 Engineering & Construction names. MTZ ranks #1 (25.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 MTZ
Mastec Inc
This page
205,100 $65,988,874

All Filings in MTZ

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6 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $65,988,874 205,100
2025-12-31 $49,256,042 226,600
2025-09-30 $50,904,152 239,200
2020-09-30 $5,882,680 139,400
2020-06-30 $6,667,682 148,600
2020-03-31 $5,262,984 160,800