
Quanta Services, Inc.
Quanta Services, Inc. (PWR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · PWR · as of Mar 31, 2025
Ownership Breakdown
1,346
Institutional Holders
▲ 3 vs Q4
$34.41B
Total Inst. Value
▼ $8.68B vs Q4
150.06M
Shares Outstanding
freeFloat 99.09%
135.41M
13F Shares Held
▼ 1.13M vs Q4
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
PWR largest shareholders · institutional ownership
Q1 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC electrical work | 17.42M | 11.75% | 11.75% | $4.43T | May 9, 2025 | ▲ 407.9K |
BLACKROCK, INC. electrical work | 11.90M | 8.03% | 8.03% | $3.03T | May 2, 2025 | ▼ 155.4K |
CAPITAL WORLD INVESTORS electrical work | 8.32M | 5.61% | 5.61% | $2.12T | May 12, 2025 | ▲ 1.10M |
JPMORGAN CHASE & CO electrical work | 6.73M | 4.54% | 4.54% | $1.71T | May 12, 2025 | ▼ 1.13M |
STATE STREET CORP electrical work | 5.98M | 4.03% | 4.03% | $1.52T | May 15, 2025 | ▲ 3.4K |
FMR LLC electrical work | 5.44M | 3.67% | 3.67% | $1.38T | May 12, 2025 | ▲ 417.2K |
PECONIC PARTNERS LLC electrical work | 5.30M | 3.57% | 3.57% | $1.35T | May 15, 2025 | ▲ 99.0K |
GEODE CAPITAL MANAGEMENT, LLC electrical work | 3.72M | 2.51% | 2.51% | $942.65B | May 13, 2025 | ▲ 161.6K |
UBS GROUP AG electrical work | 2.56M | 1.73% | 1.73% | $651.06B | May 13, 2025 | ▼ 216.5K |
BANK OF AMERICA CORP /DE/ electrical work | 2.05M | 1.38% | 1.38% | $520.06B | May 15, 2025 | ▲ 354.4K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2025 vs prior quarter
Q1 2025
27
Increased
+5.59M shares1
New Positions
first time holders22
Decreased
−4.22M shares0
Sold Out
fully exitedNet shares change (top 50)
+1.36M
+5.59M / −4.22M
Net new holders
+6
1 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
PWR insider trading · insider activity
Source: SEC Form 4
0
Buy transactions
30
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Ladhani Holli C. director | Jun 1, 2026 | D-Return | 196 | $711.73 | $139.5K | 4.5K | Form 4 ↗ |
dePass Olsovsky Josephine Ann Marie director | May 21, 2026 | Award | 249 | — | — | 808 | Form 4 ↗ |
Rowe Robert Scott director | May 21, 2026 | Award | 249 | — | — | 1.8K | Form 4 ↗ |
WYRSCH MARTHA B director | May 21, 2026 | Award | 249 | — | — | 808 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Quanta Services, Inc. (PWR) is primarily owned by institutional investors, who hold approximately 90.2% of total shares outstanding. Company insiders own approximately 0.91%, while retail and public investors account for the remaining 8.85%.
The largest institutional shareholder of Quanta Services, Inc. is VANGUARD GROUP INC, holding approximately 17.42 million shares — equal to 11.75% of outstanding shares — as of March 31, 2025.
A total of 1,346 institutional investors currently hold PWR stock, with a combined institutional value of approximately $34.41 billion as of the most recent 13F filing period.
Frequently asked questions
PWR ownershipQuanta Services, Inc. (PWR) is primarily owned by institutional investors, who hold approximately 90.2% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.75% stake. Company insiders hold 0.91%. Data sourced from SEC Form 13F as of March 31, 2025.