MasTec, Inc.
US ˙ NYSE ˙ US5763231090

SecurityMTZ / MasTec, Inc.
InstitutionCalvert Variable Products, Inc. - Calvert VP S&P MidCap 400 Index Portfolio - I Class
Latest Disclosed Ownership11,904 shares
Latest Disclosed Value $ 2,028,798
Calvert Variable Products, Inc. - Calvert VP S&P MidCap 400 Index Portfolio - I Class reports 1.73% decrease in ownership of MTZ / MasTec, Inc.

On August 25, 2025 - Calvert Variable Products, Inc. - Calvert VP S&P MidCap 400 Index Portfolio - I Class filed a NPORT-P form disclosing ownership of 11,904 shares of MasTec, Inc. (US:MTZ) valued at $2,028,799 USD as of June 30, 2025. The entity filed a previous NPORT-P on May 28, 2025 disclosing 12,113 shares of MasTec, Inc.. This represents a change in shares of -1.73% during the quarter. The current value of the position is $4,460,786 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2025-08-25 2025-06-30 NP MasTec EC US5763231090 11,904 -209 -1.73 2,029 43.52 0.3435
2025-05-28 2025-03-31 NP MasTec EC US5763231090 12,113 -218 -1.77 1,414 -15.79 0.2528
2025-02-19 2024-12-31 NP MasTec EC US5763231090 12,331 -295 -2.34 1,679 7.98 0.2765
2024-11-27 2024-09-30 NP MasTec EC US5763231090 12,626 -298 -2.31 1,554 12.45 0.2519
2024-08-20 2024-06-30 NP MasTec EC US5763231090 12,924 -422 -3.16 1,383 11.09 0.2340
2024-05-28 2024-03-31 NP MasTec EC US5763231090 13,346 0 0.00 1,245 23.17 0.1998
2024-02-02 2023-12-31 NP MasTec EC US5763231090 13,346 -210 -1.55 1,011 3.59 0.1748
2023-11-29 2023-09-30 NP MasTec EC US5763231090 13,556 -1,343 -9.01 976 -44.51 0.1865
2023-08-22 2023-06-30 NP MasTec EC US5763231090 14,899 -343 -2.25 1,758 22.10 0.3006
2023-05-26 2023-03-31 NP MasTec EC US5763231090 15,242 0 0.00 1,439 10.69 0.2555
2023-03-01 2022-12-31 NP MasTec EC US5763231090 15,242 546 3.72 1,301 39.34 0.2346
2022-11-28 2022-09-30 NP MasTec EC US5763231090 14,696 -544 -3.57 933 -14.56 0.1842
2022-08-22 2022-06-30 NP MasTec EC US5763231090 15,240 -481 -3.06 1,092 -20.23 0.2048
2022-05-27 2022-03-31 NP MasTec EC US5763231090 15,721 456 2.99 1,369 -2.77 0.2154
2022-02-28 2021-12-31 NP MasTec EC US5763231090 15,265 0 0.00 1,409 6.91 0.2066
2021-11-24 2021-09-30 NP MasTec EC US5763231090 15,265 0 0.00 1,317 -18.65 0.2065
2021-08-19 2021-06-30 NP MasTec EC US5763231090 15,265 -250 -1.61 1,620 11.42 0.2472
2021-05-28 2021-03-31 NP MasTec EC US5763231090 15,515 0 0.00 1,454 37.46 0.2263
2021-02-16 2020-12-31 NP MasTec EC US5763231090 15,515 -368 -2.32 1,058 57.76 0.1809
2020-11-25 2020-09-30 NP MasTec EC US5763231090 15,883 -1,157 -6.79 670 -12.30 0.1384
2020-08-24 2020-06-30 NP MasTec EC US5763231090 17,040 0 0.00 765 37.16 0.1616
2020-05-29 2020-03-31 NP MasTec EC US5763231090 17,040 0 0.00 558 -49.04 0.1521
2020-02-24 2019-12-31 NP MasTec EC 576323109 17,040 0 0.00 1,093 -1.18 0.2058
2019-11-27 2019-09-30 NP MasTec EC US5763231090 17,040 17,040 1,106 0.2196
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.