Companies: 10,795·Total market cap: $144.5T
Quanta Services, Inc.

Quanta Services, Inc.

PWRNYSEIndustrials● Active
$694.43
$-0.68(-0.10%)
Market Cap$104.2B
P/E Ratio
52W High$788.75
52W Low$341.93

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

Institutions 90.24%
Insiders 0.91%
Public 8.85%

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

HolderShares% OwnedWeightValueReportedChange

VANGUARD GROUP INC

electrical work

17.42M11.75%

11.75%

$4.43TMay 9, 2025 407.9K

BLACKROCK, INC.

electrical work

11.90M8.03%

8.03%

$3.03TMay 2, 2025 155.4K

CAPITAL WORLD INVESTORS

electrical work

8.32M5.61%

5.61%

$2.12TMay 12, 2025 1.10M

JPMORGAN CHASE & CO

electrical work

6.73M4.54%

4.54%

$1.71TMay 12, 2025 1.13M

STATE STREET CORP

electrical work

5.98M4.03%

4.03%

$1.52TMay 15, 2025 3.4K

FMR LLC

electrical work

5.44M3.67%

3.67%

$1.38TMay 12, 2025 417.2K

PECONIC PARTNERS LLC

electrical work

5.30M3.57%

3.57%

$1.35TMay 15, 2025 99.0K

GEODE CAPITAL MANAGEMENT, LLC

electrical work

3.72M2.51%

2.51%

$942.65BMay 13, 2025 161.6K

UBS GROUP AG

electrical work

2.56M1.73%

1.73%

$651.06BMay 13, 2025 216.5K

BANK OF AMERICA CORP /DE/

electrical work

2.05M1.38%

1.38%

$520.06BMay 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

Net institutional sentimentBullish — more buying than selling

27

Increased

+5.59M shares

1

New Positions

first time holders

22

Decreased

−4.22M shares

0

Sold Out

fully exited

Net 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 · RoleDateTypeSharesPriceValueAfter Trans.Filing

Ladhani Holli C.

director

Jun 1, 2026D-Return196$711.73$139.5K4.5KForm 4 ↗

dePass Olsovsky Josephine Ann Marie

director

May 21, 2026Award249808Form 4 ↗

Rowe Robert Scott

director

May 21, 2026Award2491.8KForm 4 ↗

WYRSCH MARTHA B

director

May 21, 2026Award249808Form 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 ownership

Quanta 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.

who owns PWR stockPWR ownership structureSEC Form 13F institutional holdingsPWR float vs institutions
Source: FMP · SEC Form 13F · SEC Form 4As of March 31, 2025