Gilder Gagnon Howe & CO LLC Quanta Services, Inc. Transaction History

Gilder Gagnon Howe & CO LLC

$8.41 Billion
Q3 2025

A detailed history of Gilder Gagnon Howe & CO LLC transactions in Quanta Services, Inc. stock. As of the latest transaction made, Gilder Gagnon Howe & CO LLC holds 395,269 shares of PWR stock, worth $170 Million. This represents 1.95% of its overall portfolio holdings.

Number of Shares

395,269

Previous 400,260 1.25%

Holding current value

$170 Million

Previous $151 Million 8.24%

% of portfolio

1.95%

Previous 1.8%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$372.29 - $421.68 $1.86 Million - $2.1 Million	-4,991 Reduced 1.25%	395,269 $164 Million
Q2 2025 Aug 14, 2025	SELL	$239.47 - $381.26 $3.91 Million - $6.22 Million	-16,318 Reduced 3.92%	400,260 $151 Million
Q1 2025 May 15, 2025	SELL	$236.71 - $358.03 $15.6 Million - $23.6 Million	-65,915 Reduced 13.66%	416,578 $106 Million
Q4 2024 Feb 14, 2025	SELL	$296.05 - $346.6 $2.7 Million - $3.16 Million	-9,109 Reduced 1.85%	482,493 $152 Million
Q3 2024 Nov 14, 2024	BUY	$239.58 - $298.23 $11.9 Million - $14.9 Million	49,835 Added 11.28%	491,602 $146 Million

Q2 2024 Aug 14, 2024	BUY	$243.26 - $283.43 $2.45 Million - $2.85 Million	10,065 Added 2.33%	441,767 $112 Million
Q1 2024 May 15, 2024	SELL	$193.28 - $259.8 $3.15 Million - $4.23 Million	-16,291 Reduced 3.64%	431,702 $112 Million
Q4 2023 Feb 14, 2024	SELL	$159.62 - $217.71 $659,230 - $899,142	-4,130 Reduced 0.91%	447,993 $96.7 Million
Q3 2023 Nov 14, 2023	BUY	$184.85 - $212.36 $41 Million - $47.1 Million	221,803 Added 96.3%	452,123 $84.6 Million
Q2 2023 Aug 14, 2023	SELL	$159.13 - $196.45 $176,156 - $217,470	-1,107 Reduced 0.48%	230,320 $45.2 Million
Q1 2023 May 15, 2023	SELL	$135.56 - $166.64 $158,334 - $194,635	-1,168 Reduced 0.5%	231,427 $38.6 Million
Q4 2022 Feb 14, 2023	SELL	$123.41 - $153.0 $103,664 - $128,520	-840 Reduced 0.36%	232,595 $33.1 Million
Q3 2022 Nov 14, 2022	BUY	$125.55 - $147.16 $13,433 - $15,746	107 Added 0.05%	233,435 $29.7 Million
Q2 2022 Aug 15, 2022	BUY	$108.76 - $138.91 $4,350 - $5,556	40 Added 0.02%	233,328 $29.2 Million
Q1 2022 May 16, 2022	BUY	$96.89 - $135.54 $2.98 Million - $4.17 Million	30,762 Added 15.19%	233,288 $30.7 Million
Q4 2021 Feb 14, 2022	BUY	$107.44 - $121.98 $2.09 Million - $2.37 Million	19,466 Added 10.63%	202,526 $23.2 Million
Q3 2021 Nov 15, 2021	BUY	$85.44 - $118.61 $4,870 - $6,760	57 Added 0.03%	183,060 $20.8 Million
Q2 2021 Aug 16, 2021	BUY	$85.91 - $100.6 $4.63 Million - $5.42 Million	53,847 Added 41.69%	183,003 $16.6 Million
Q1 2021 May 17, 2021	BUY	$68.25 - $88.85 $8.81 Million - $11.5 Million	129,156 New	129,156 $11.4 Million

Others Institutions Holding PWR

# of Institutions

1,631

Shares Held

134M

Call Options Held

1.56M

Put Options Held

1.08M

View Full List

About QUANTA SERVICES, INC.

Ticker PWR
Exchange NYSE
Sector Industrials
Industry Engineering & Construction
Shares Outstandng 143,023,008
Market Cap $61.4B
Description
Quanta Services, Inc. provides specialty contracting services worldwide. The Electric Power Infrastructure Solutions segment engages in the design, procurement, construction, upgrade, repair, and maintenance of electric power transmission and distribution infrastructure and substation facilities; energized installation, maintenance, and upgrade ...

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Gilder Gagnon Howe & CO LLC Quanta Services, Inc. Transaction History