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Quanta Services PWR

US equityMarket cap rank #163Engineering & Construction
$649.85
+$14.95 (+2.35%)
Market open · Sep 24, 1:10 pm ET
After hours $634.90 0.00%
Open$630.57
Prev close$634.90
Day range$626.41 – $650.04
Volume378.3K
Market cap$97.70B
P/E (TTM)74.4
Dividend yield0.07%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership91.4%-0.17 pts vs. prior quarter
Institutions holding2,246-9 vs. prior quarter
Insider trades (recent)8 buys / 4 sellsNet buying
Short interest2.08% of floatDays to cover 2.5 · as of 31 Aug 2026
Short-sale volume share17.9%5-day average of daily volume

Short-sale volume as % of daily volume

6%15%24%34%Aug '26Sep '26Sep '26

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$47.36M (12 inflow days, 8 outflow days).

Largest holders

  • BlackRock8.69%
  • Vanguard Capital Management, LLC7.09%
  • Vanguard Portfolio Management, LLC4.61%
  • State Street Global Advisors4.38%
  • Peconic Partners LLC3.14%

By investor type

  • Mutual Fund73.71%
  • Public Company5.28%
  • Hedge Fund5.20%
  • Private Company2.51%
  • Government Pension Fund2.12%
  • Sovereign Wealth Fund1.40%
  • Individual/Insider0.79%
  • Family Office/Trust0.53%
Institutional holders2,246
Institutional ownership91.4%

Insider activity

Total transactions20
Bought8
Sold4

Short interest

Report dateShares short% of floatDays to cover
31 Aug 2026 3,125,973 2.1% 2.5
14 Aug 2026 2,762,674 1.8% 3.1
31 Jul 2026 3,102,301 2.1% 2.4
15 Jul 2026 3,171,042 2.1% 3.1
30 Jun 2026 3,337,307 2.2% 1.8
15 Jun 2026 3,805,167 2.5% 3.5
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