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Who owns Mplx LP (MPLX) stock

598 funds reported Mplx LP (MPLX) shares in their latest 13F filings, worth $10.8B in all. The largest holder is Alps Advisors ($1.6B). Last quarter 272 funds added to their stakes and 180 cut them.

Largest holders of MPLX (13F)Largest holders of MPLX (13F)Alps Advisors$1.6BInvesco$1.0BBlackstone$730MGoldman Sachs Group$638MTortoise Capital Advisors, L.L.C.$591MMirae Asset Global ETFS Holdings$451MKayne Anderson Capital Advisors LP$330MEnergy Income Partners, LLC$303MMorgan Stanley$297MUBS Group AG$296M

Largest holders (13F)

FundSharesValueChangeQuarter
Alps Advisors28,601,592$1.6Bincrease2026-06-30
Invesco18,273,448$1.0Bincrease2026-06-30
Blackstone12,956,943$730Mdecrease2026-06-30
Goldman Sachs Group11,329,340$638Mdecrease2026-06-30
Tortoise Capital Advisors, L.L.C.10,500,469$591Mnew2026-06-30
Mirae Asset Global ETFS Holdings8,011,582$451Mincrease2026-06-30
Kayne Anderson Capital Advisors LP5,862,925$330Mdecrease2026-06-30
Energy Income Partners, LLC5,380,295$303Mincrease2026-06-30
Morgan Stanley5,275,829$297Mincrease2026-06-30
UBS Group AG5,259,274$296Mincrease2026-06-30
Chickasaw Capital Management LLC5,212,185$294Mnew2026-09-30
FMR LLC3,920,887$221Mincrease2026-06-30
Brave Warrior Advisors, LLC3,180,534$179Mdecrease2026-06-30
Cibc Bancorp USA2,988,109$168Mincrease2026-06-30
Cibc Private Wealth Group LLC2,724,200$145Mincrease2025-12-31

Mplx LP's latest quarter

Mplx LP, Q3 2026: revenue $3.6B (-0.4% year over year), operating margin 40.9%, net earnings $1.2B, operating cash flow $1.5B. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most MPLX stock?

By the latest 13F filings: Alps Advisors ($1.6B); Invesco ($1.0B); Blackstone ($730M); Goldman Sachs Group ($638M); Tortoise Capital Advisors, L.L.C. ($591M).

What is the short interest in MPLX?

6,482,303 shares were sold short at the 2026-10-15 settlement, -3.04% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.