374 institutions reported holding $4.26B of PLAINS GP HLDGS L P (PAGP) in SEC 13F filings for 2026-06-30. Largest institutional holders: TORTOISE CAPITAL ADVISORS, L.L.C. ($269.8M), Energy Income Partners, LLC ($219.5M), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ($216.8M), CHICKASAW CAPITAL MANAGEMENT LLC ($209.5M), TWO SIGMA INVESTMENTS, LP ($181.0M). Source: SEC Form 13F.
Source: SEC Form 13F filings · as of 2026-06-30