Quanta Services, Inc.
US ˙ NYSE ˙ US74762E1029

SecurityPWR / Quanta Services, Inc.
InstitutionDriehaus Capital Management Llc
Latest Disclosed Ownership100,573 shares
Latest Disclosed Value $ 55,216,588
Driehaus Capital Management Llc reports 0.56% decrease in ownership of PWR / Quanta Services, Inc.

On May 15, 2026 - Driehaus Capital Management Llc filed a 13F-HR form disclosing ownership of 100,573 shares of Quanta Services, Inc. (US:PWR) valued at $55,216,588 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 101,138 shares of Quanta Services, Inc.. This represents a change in shares of -0.56% during the quarter. The current value of the position is $71,977,079 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.

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)
2026-05-15 2026-03-31 13F Quanta Services COM 74762E102 100,573 -565 -0.56 55,217 29.35 0.4045
2026-02-17 2025-12-31 13F Quanta Services COM 74762E102 101,138 -21,159 -17.30 42,686 -15.78 0.2899
2025-11-14 2025-09-30 13F QUANTA SERVICES COM 74762E102 122,297 -12,185 -9.06 50,682 -0.32 0.3630
2025-08-14 2025-06-30 13F QUANTA SERVICES COM 74762E102 134,482 22,439 20.03 50,845 78.53 0.4068
2025-05-15 2025-03-31 13F QUANTA SERVICES COM 74762E102 112,043 6,163 5.82 28,479 -14.89 0.2745
2025-02-14 2024-12-31 13F QUANTA SERVICES COM 74762E102 105,880 3,501 3.42 33,463 9.63 0.2762
2024-11-14 2024-09-30 13F QUANTA SERVICES COM 74762E102 102,379 -392 -0.38 30,524 16.89 0.2620
2024-08-15 2024-06-30 13F/A-1 QUANTA SERVICES COM 74762E102 102,771 18,466 21.90 26,113 19.23 0.2526
2024-08-14 2024-06-30 13F QUANTA SERVICES COM 74762E102 102,771 18,466 26,113 0.2518
2024-05-15 2024-03-31 13F QUANTA SERVICES COM 74762E102 84,305 37,328 79.46 21,902 116.06 0.2182
2024-02-14 2023-12-31 13F QUANTA SERVICES COM 74762E102 46,977 -108,779 -69.84 10,138 -65.21 0.1221
2023-11-14 2023-09-30 13F QUANTA SERVICES COM 74762E102 155,756 -16,946 -9.81 29,137 -14.12 0.3788
2023-08-14 2023-06-30 13F QUANTA SERVICES COM 74762E102 172,702 9,899 6.08 33,927 25.06 0.4284
2023-05-15 2023-03-31 13F QUANTA SERVICES COM 74762E102 162,803 -69,714 -29.98 27,129 -18.12 0.3808
2023-02-14 2022-12-31 13F QUANTA SERVICES COM 74762E102 232,517 20,052 9.44 33,134 22.42 0.4940
2022-11-14 2022-09-30 13F QUANTA SERVICES COM 74762E102 212,465 4,402 2.12 27,066 3.78 0.4098
2022-08-15 2022-06-30 13F QUANTA SERVICES COM 74762E102 208,063 32,274 18.36 26,079 12.72 0.4224
2022-05-16 2022-03-31 13F QUANTA SERVICES COM 74762E102 175,789 118,249 205.51 23,136 250.65 0.2841
2022-02-14 2021-12-31 13F QUANTA SERVICES COM 74762E102 57,540 127 0.22 6,598 0.96 0.0673
2021-11-15 2021-09-30 13F QUANTA SERVICES COM 74762E102 57,413 57,413 6,535 0.0775
2019-02-14 2018-12-31 13F QUANTA SERVICES COM 74762E102 0 -149,900 -100.00 0 -100.00
2018-11-14 2018-09-30 13F QUANTA SERVICES COM 74762E102 149,900 -3,500 -2.28 5,004 -2.34 0.1540
2018-08-14 2018-06-30 13F QUANTA SERVICES COM 74762E102 153,400 -25,500 -14.25 5,124 -16.62 0.1732
2018-05-15 2018-03-31 13F QUANTA SERVICES COM 74762E102 178,900 -12,860 -6.71 6,145 -18.07 0.2171
2018-02-14 2017-12-31 13F QUANTA SERVICES COM 74762E102 191,760 -2,295 -1.18 7,500 3.42 0.2846
2017-11-14 2017-09-30 13F QUANTA SERVICES COM 74762E102 194,055 194,055 7,252 0.2827
2017-08-14 2017-06-30 13F QUANTA SERVICES COM 74762E102 0 -33,537 -100.00 0 -100.00
2017-05-16 2017-03-31 13F QUANTA SERVICES COM 74762E102 33,537 33,537 1,245 0.0427
2016-11-14 2016-09-30 13F QUANTA SERVICES COM 74762E102 0 -8,705 -100.00 0 -100.00
2016-08-15 2016-06-30 13F QUANTA SERVICES COM 74762E102 8,705 8,705 0.00 201 0.0072
2015-02-13 2014-12-31 13F QUANTA SERVICES COM 74762E102 0 -105,391 -100.00 0 -100.00
2014-11-14 2014-09-30 13F QUANTA SERVICES COM 74762E102 105,391 -32,751 -23.71 3,825 -19.93 0.1458
2014-08-14 2014-06-30 13F Quanta Services COM 74762E102 138,142 47,356 52.16 4,777 42.60 0.1550
2014-05-15 2014-03-31 13F Quanta Services COM 74762E102 90,786 19,360 27.10 3,350 48.62 0.1054
2014-02-13 2013-12-31 13F Quanta Services COM 74762E102 71,426 71,426 2,254 0.0813
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.