Quanta Services, Inc.
PWR- Exchange
- NYSE
- Industry
- Electrical Work
- SEC CIK
- 0001050915
No open-market purchases or sales by Quanta Services, Inc. insiders were filed in the last 90 days; 1,945 institutions reported holding it in 13F filings for Q2 2026, worth $95.7B in total; no superinvestor holds it.
Holders of 5% or more of PWR
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Quanta Services, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Group Inc | 13G/A | 12.17%18.1M shares | – | Oct 30, 20251 filing | Oct 30, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Quanta Services, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 13, 20257:06 PM ET | Capital World Investors | 13G/A | 4.60%6.83M shares | −1.00 ppfrom 5.60%Below 5% | Sep 30, 2025 | SEC |
| Oct 30, 20253:50 PM ET | Vanguard Group Inc | 13G/A | 12.17%18.1M shares | – | Sep 30, 2025 | SEC |
| May 13, 202511:44 AM ET | Capital World Investors | 13G | 5.60%8.33M shares | New | Mar 31, 2025 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Quanta Services, Inc. shares.
No Form 144 notices for Quanta Services, Inc. are on file.