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Mastec (MTZ)
NYSE
$266.77+$0.51 (+0.19%)
Price as of Aug 21, 2026 7:58 PM EDT- $21.4BMarket Cap
- 50.45%1-Year Change
- Engineering & ConstructionIndustry
Mastec (MTZ)
$266.77+$0.51 (+0.19%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 9.51% | 7.6M | +328,878 (+4.31%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 9.08% | 7.3M | +1.2M (+17.11%) | Dec 31, 2024 |
VANGUARD GROUP INC | 7.39% | 5.9M | -74,438 (-1.25%) | Dec 31, 2025 |
BLACKROCK INC. | 7.27% | 5.8M | +294,926 (+5.05%) | Jun 30, 2024 |
PECONIC PARTNERS LLC | 4.58% | 3.7M | +100,000 (+2.72%) | Jun 30, 2026 |
VANGUARD CAPITAL MANAGEMENT LLC | 3.53% | 2.8M | +27,554 (+0.97%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 3.50% | 2.8M | +42,093 (+1.50%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
JPMORGAN TRUST II | 20.25% | 16.3M | 0 (0.00%) | May 31, 2026 |
JOHN HANCOCK SOVEREIGN BOND FUND | 14.91% | 12.0M | 0 (0.00%) | May 31, 2026 |
JOHN HANCOCK BOND TRUST | 10.91% | 8.8M | +1.8M (+20.08%) | May 31, 2026 |
VANGUARD INDEX FUNDS | 6.17% | 5.0M | +83,689 (+1.69%) | Mar 31, 2026 |
NORTHERN LIGHTS FUND TRUST III | 3.74% | 3.0M | 0 (0.00%) | Jun 30, 2026 |
ADVENT CONVERTIBLE & INCOME FUND | 3.70% | 3.0M | 0 (0.00%) | Apr 30, 2026 |
LEGG MASON PARTNERS INVESTMENT TRUST | 3.38% | 2.7M | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions1.1B (60.16%)
- Mutual Funds721.2M (39.58%)
- Insiders4.7M (0.26%)
- Other0 (0.00%)
Insider Transactions
- 0.26% (4.7M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 2Number of InsiderSelling (last 12 months)
- $75.2MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Spiro Alex | Award | Aug 14, 2026 | $0.00 | 139 | $0.00 | 139 |
JOHNSON JULIA L | Award | Aug 14, 2026 | $0.00 | 139 | $0.00 | 73,474 |
Dwyer Robert J | Award | Aug 14, 2026 | $0.00 | 139 | $0.00 | 20,991 |
Csiszar Ernst N | Award | Aug 14, 2026 | $0.00 | 152 | $0.00 | 10,968 |
Palomarez Javier Alberto | Award | Aug 14, 2026 | $0.00 | 139 | $0.00 | 10,805 |
Miranda Manuel Benito | Award | Aug 14, 2026 | $0.00 | 152 | $0.00 | 152 |
Campbell C Robert | Award | Aug 14, 2026 | $0.00 | 139 | $0.00 | 30,880 |
Csiszar Ernst N | In Kind | Aug 14, 2026 | $10,118.06 | 34 | $297.59 | 10,934 |
Palomarez Javier Alberto | In Kind | Aug 14, 2026 | $9,225.29 | 31 | $297.59 | 10,774 |
Dwyer Robert J | In Kind | Aug 14, 2026 | $9,225.29 | 31 | $297.59 | 20,960 |
MAS JOSE RAMON CEO | Other | Aug 11, 2026 | $0.00 | 340,794 | $0.00 | 0 |
MAS JORGE | Other | Aug 11, 2026 | $0.00 | 1.1M | $0.00 | 0 |
MAS JOSE RAMON CEO | Other | Aug 11, 2026 | $0.00 | 340,794 | $0.00 | 340,794 |
MAS JORGE | Other | Aug 11, 2026 | $0.00 | 1.1M | $0.00 | 1.1M |
de Cardenas Alberto EVP, General Counsel | Award | Mar 18, 2026 | $0.00 | 6,269 | $0.00 | 102,780 |
MAS JORGE | Award | Mar 18, 2026 | $0.00 | 15,838 | $0.00 | 4.6M |
DiMarco Paul CFO | Award | Mar 18, 2026 | $0.00 | 9,074 | $0.00 | 66,627 |
Apple Robert E COO | Award | Mar 18, 2026 | $0.00 | 11,548 | $0.00 | 183,591 |
de Cardenas Alberto EVP, General Counsel | In Kind | Mar 10, 2026 | $1.4M | 4,838 | $297.81 | 96,511 |
MAS JORGE | In Kind | Mar 10, 2026 | $4.8M | 15,958 | $297.81 | 4.5M |
MAS JOSE RAMON CEO | In Kind | Mar 10, 2026 | $8.4M | 28,184 | $297.81 | 3.2M |
Apple Robert E COO | In Kind | Mar 10, 2026 | $3.6M | 12,206 | $297.81 | 172,043 |
Csiszar Ernst N | Sell | Mar 03, 2026 | $2.0M | 6,500 | $300.40 | 17,235 |
JOHNSON JULIA L | Award | Feb 13, 2026 | $0.00 | 154 | $0.00 | 73,240 |
Palomarez Javier Alberto | Award | Feb 13, 2026 | $0.00 | 154 | $0.00 | 11,576 |
Parker Ava L | Award | Feb 13, 2026 | $0.00 | 195 | $0.00 | 5,307 |
Campbell C Robert | Award | Feb 13, 2026 | $0.00 | 154 | $0.00 | 33,646 |
Parker Ava L | In Kind | Feb 13, 2026 | $5,929.66 | 22 | $269.53 | 5,285 |
Palomarez Javier Alberto | In Kind | Feb 13, 2026 | $9,164.02 | 34 | $269.53 | 11,542 |
Dwyer Robert J | Award | Feb 13, 2026 | $0.00 | 154 | $0.00 | 20,812 |