$PWR

$563.93 +$17.50 (3.2%) Close

$PWR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 150.3M shares outstanding

Who owns PWR?

By type of holder

Institutions 88.5% Insiders 0.7% Everyone else 10.8%

Concentration Top 10 holders own 39.2%

BlackRock, Inc. 8.7% · Vanguard Capital Management LLC 6.5%

Institutional ownership

88.5%

-1.7 pts vs last qtr

Institutional holders

1,916

+179 vs last qtr

Net shares bought

−2.6M

by institutions in Q2 2026

New / sold out

302 / 123

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +1.9M
Alliancebernstein L.P. +1.0M

Biggest sellers in Q2 2026

BlackRock, Inc. −989.3K
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main −870.9K

Who is planning to sell?

Notices of proposed sale, last 12 months

$141M

6 notices from 6 people

Shares covered

192.0K

0.13% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Earl Austin Jr. President/ceo $123M
Wayne Donald Officer $6.21M

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−3.8%

−0.43% a year

Each share's claim on the business

+4.0%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$1.09B vs $939M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years75% 3–5 years8% 1–3 years10% Under 1 year7%

Quarterly turnover

9.5%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting PWR on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	13.1M	8.69%	−989.3K (−7.0%)	≤2021	0.1%
Shares held by quarter Peak holding14.1M (Q1'26) Change over 8 quarters+1.8M Share of the company8.690% BlackRock, Inc.'s full portfolio →
VC Vanguard Capital Management LLC	9.8M	6.52%	+96.5K (+1.0%)	≤2021	0.2%
Shares held by quarter Peak holding9.8M (Q2'26) Change over 8 quarters+9.8M Share of the company6.520% Vanguard Capital Management LLC's full portfolio →

BlackRock, Inc.

13.1M

% of company

8.69%

Change vs last qtr

−989.3K (−7.0%)

Held since

≤2021

Vanguard Capital Management LLC

9.8M

% of company

6.52%

Change vs last qtr

+96.5K (+1.0%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Quanta Services Inc, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting PWR on Form N-PORT; together they hold 35.3% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$3.43B	4.8M	3.17%	0.15%	June 30, 2026
V5 Vanguard 500 Index Fund Vanguard Index Funds	$2.8B	3.9M	2.59%	0.17%	June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$3.43B

% of company

3.17%

% of the fund

0.15%

As of

June 30, 2026

Vanguard 500 Index Fund

Vanguard Index Funds

Position value

$2.8B

% of company

2.59%

% of the fund

0.17%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Quanta Services Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
AE Austin Earl C. Jr. Insider	609.4K	0.41%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.410% Austin Earl C. Jr.'s insider activity →
FV Foster Vincent D Insider	193.2K	0.13%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.130% Foster Vincent D's insider activity →

Austin Earl C. Jr.

Insider

609.4K

% of company

0.41%

Change vs last qtr

—

Held since

—

Foster Vincent D

Insider

193.2K

% of company

0.13%

Change vs last qtr

—

Held since

—

14 more holders behind a free account

See every insider and 5%+ holder of Quanta Services Inc.

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