Quanta Services, Inc.
MX ˙ BMV ˙ US74762E1029
SecurityMX:PWR / Quanta Services, Inc.
InstitutionGarrison Bradford & Associates Inc
Latest Disclosed Ownership15,819 shares
Latest Disclosed Value $ 8,685,222
Garrison Bradford & Associates Inc reports 13.53% decrease in ownership of PWR / Quanta Services, Inc.

On May 4, 2026 - Garrison Bradford & Associates Inc filed a 13F-HR form disclosing ownership of 15,819 shares of Quanta Services, Inc. (MX:PWR) valued at $8,685,222 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 22, 2026 disclosing 18,294 shares of Quanta Services, Inc.. This represents a change in shares of -13.53% during the quarter.

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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-04 2026-03-31 13F QUANTA SERVICES COM 74762E102 15,819 -2,475 -13.53 8,685 12.49 9.8295
2026-01-22 2025-12-31 13F QUANTA SERVICES COM 74762E102 18,294 -3,150 -14.69 7,721 -13.12 8.3850
2025-11-04 2025-09-30 13F QUANTA SERVICES COM 74762E102 21,444 -985 -4.39 8,887 4.80 9.4944
2025-08-05 2025-06-30 13F QUANTA SERVICES COM 74762E102 22,429 -394 -1.73 8,480 46.18 9.3897
2025-05-06 2025-03-31 13F QUANTA SERVICES COM 74762E102 22,823 4,404 23.91 5,801 -0.34 6.3813
2025-02-07 2024-12-31 13F QUANTA SERVICES COM 74762E102 18,419 -148 -0.80 5,821 5.15 6.0977
2024-10-29 2024-09-30 13F QUANTA SERVICES COM 74762E102 18,567 -176 -0.94 5,536 138,300.00 5.4873
2024-07-31 2024-06-30 13F QUANTA SERVICES COM 74762E102 18,743 35 0.19 5 0.00 4.8917
2024-04-16 2024-03-31 13F QUANTA SERVICES COM 74762E102 18,708 1,145 6.52 5 33.33 5.0131
2024-01-25 2023-12-31 13F QUANTA SERVICES COM 74762E102 17,563 1,601 10.03 4 50.00 4.1809
2023-10-17 2023-09-30 13F QUANTA SERVICES COM 74762E102 15,962 824 5.44 3 0.00 3.5245
2023-08-01 2023-06-30 13F QUANTA SERVICES COM 74762E102 15,138 1 0.01 3 0.00 3.5934
2023-04-28 2023-03-31 13F QUANTA SERVICES COM 74762E102 15,137 0 0.00 3 0.00 3.1247
2023-01-17 2022-12-31 13F QUANTA SERVICES COM 74762E102 15,137 1 0.01 2 -99.90 2.6171
2022-11-03 2022-09-30 13F QUANTA SERVICES COM 74762E102 15,136 -2,555 -14.44 1,928 -13.04 2.3466
2022-08-23 2022-06-30 13F QUANTA SERVICES COM 74762E102 17,691 1,711 10.71 2,217 5.42 2.5210
2022-04-13 2022-03-31 13F QUANTA SERVICES COM 74762E102 15,980 5,580 53.65 2,103 76.43 2.0430
2022-02-01 2021-12-31 13F QUANTA SERVICES COM 74762E102 10,400 250 2.46 1,192 3.20 1.0691
2021-11-03 2021-09-30 13F QUANTA SERVICES COM 74762E102 10,150 10,150 1,155 1.1744
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.