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Buy Day today: Good (62) Broad market participation · no major macro event
PWR

Quanta Services Inc

Industrials · Engineering & Construction

616.50$ -0.4% vs. previous close Closing price · As of: Sep 17, 2026

Ownership

Ownership Structure

Who owns Quanta Services Inc (PWR)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.1% of the shares are freely tradable; institutional investors hold 95.1%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 95.1%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 0.6%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 99.1%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 2.4%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 150Mio.

Largest Shareholders

Institutions

Institutions PWR
Name Stake (%) Shares Change (%) Date
BlackRock Inc 9.35 14,050,547 +8.2 03/31/2026
Vanguard Capital Management, LLC 6.46 9,705,746 +0.0 03/31/2026
Vanguard Portfolio Management, LLC 4.57 6,871,038 +0.0 03/31/2026
State Street Corp 4.18 6,284,914 +1.3 03/31/2026
JPMorgan Chase & Co 4.04 6,072,818 +1.9 03/31/2026
Peconic Partners LLC 3.14 4,720,847 -5.7 06/30/2026
Geode Capital Management, LLC 2.79 4,191,147 +2.6 03/31/2026
FMR Inc 2.75 4,131,615 -15.4 03/31/2026

Funds

Funds PWR
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 3.18 4,777,924 +0.3 07/31/2026
Vanguard 500 Index Investor 2.62 3,939,866 +1.1 07/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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