MasTec, Inc.
US ˙ NYSE ˙ US5763231090

SecurityMTZ / MasTec, Inc.
InstitutionTrexquant Investment LP
Latest Disclosed Ownership92,112 shares
Latest Disclosed Value $ 29,636,115
Trexquant Investment LP ownership in MTZ / MasTec, Inc.

On May 15, 2026 - Trexquant Investment LP filed a 13F-HR form disclosing ownership of 92,112 shares of MasTec, Inc. (US:MTZ) valued at $29,636,115 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 0 shares of MasTec, Inc.. The current value of the position is $33,518,636 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)
2026-05-15 2026-03-31 13F MASTEC COM 576323109 92,112 92,112 29,636 0.2130
2026-02-17 2025-12-31 13F MASTEC COM 576323109 0 -17,745 -100.00 0 -100.00
2025-11-14 2025-09-30 13F MASTEC COM 576323109 17,745 -98,344 -84.71 3,776 -80.91 0.0389
2025-08-12 2025-06-30 13F MASTEC COM 576323109 116,089 52,939 83.83 19,785 168.45 0.2232
2025-05-14 2025-03-31 13F MASTEC COM 576323109 63,150 -68,728 -52.11 7,370 -58.95 0.0857
2025-02-12 2024-12-31 13F MASTEC COM 576323109 131,878 35,638 37.03 17,954 51.54 0.2093
2024-11-12 2024-09-30 13F MASTEC COM 576323109 96,240 42,424 78.83 11,847 105.78 0.1500
2024-08-13 2024-06-30 13F MASTEC COM 576323109 53,816 -6,556 -10.86 5,758 2.27 0.0878
2024-05-14 2024-03-31 13F MASTEC COM 576323109 60,372 38,932 181.59 5,630 246.83 0.1122
2024-02-09 2023-12-31 13F MASTEC COM 576323109 21,440 4,867 29.37 1,623 36.16 0.0365
2023-11-13 2023-09-30 13F MASTEC COM 576323109 16,573 16,573 1,193 0.0299
2022-02-11 2021-12-31 13F MASTEC COM 576323109 0 -16,374 -100.00 0 -100.00
2021-11-12 2021-09-30 13F MASTEC COM 576323109 16,374 8,793 115.99 1,413 75.75 0.1123
2021-08-12 2021-06-30 13F MASTEC COM 576323109 7,581 974 14.74 804 29.89 0.0678
2021-05-13 2021-03-31 13F MASTEC COM 576323109 6,607 6,607 619 0.0568
2021-02-11 2020-12-31 13F MASTEC COM 576323109 0 -7,097 -100.00 0 -100.00
2020-11-06 2020-09-30 13F MASTEC COM 576323109 7,097 7,097 299 0.0192
2020-08-07 2020-06-30 13F MASTEC COM 576323109 0 -27,413 -100.00 0 -100.00
2020-05-08 2020-03-31 13F MASTEC COM 576323109 27,413 2,247 8.93 897 -44.46 0.0651
2020-02-12 2019-12-31 13F MASTEC COM 576323109 25,166 25,166 1,615 0.0955
2020-02-14 2019-09-30 13F/A-1 MASTEC COM 576323109 0 -8,811 -100.00 0 -100.00
2019-08-09 2019-06-30 13F MASTEC COM 576323109 8,811 -37,946 -81.16 454 -79.81 0.0409
2019-05-13 2019-03-31 13F MASTEC COM 576323109 46,757 46,757 2,249 0.1597
2019-02-13 2018-12-31 13F MASTEC COM 576323109 0 -27,819 -100.00 0 -100.00
2018-11-09 2018-09-30 13F MASTEC COM 576323109 27,819 27,819 1,242 0.0934
2018-02-08 2017-12-31 13F MASTEC COM 576323109 0 -4,977 -100.00 0 -100.00
2017-11-09 2017-09-30 13F MASTEC COM 576323109 4,977 4,977 231 0.0582
2017-05-08 2017-03-31 13F MASTEC COM 576323109 0 -5,449 -100.00 0 -100.00
2017-02-10 2016-12-31 13F MASTEC COM 576323109 5,449 5,449 208 0.0329
2016-08-10 2016-06-30 13F MASTEC COM 576323109 0 -18,437 -100.00 0 -100.00
2016-05-11 2016-03-31 13F MASTEC COM 576323109 18,437 18,437 0.00 373 0.0437
2015-08-12 2015-06-30 13F MASTEC COM 576323109 0 -131,878 -100.00 0 -100.00
2015-05-13 2015-03-31 13F MASTEC COM 576323109 131,878 120,978 1,109.89 2,545 934.55 0.2598
2015-02-13 2014-12-31 13F MASTEC COM 576323109 10,900 10,900 246 0.0435
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.