2,037 institutions reported holding $98.72B of QUANTA SVCS INC (PWR) in SEC 13F filings for 2026-06-30. Largest institutional holders: VANGUARD GROUP INC ($13.15B), BlackRock, Inc. ($9.40B), STATE STREET CORP ($4.74B), JPMORGAN CHASE & CO ($3.79B), PECONIC PARTNERS LLC ($3.40B). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30