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MPLX Mplx LP

Energy stock

HELS, ORR have owned Mplx LP since Mar 5, 2026, across 2 separate holding periods. Today it is 1.5% of ORR, against a peak long of 3.1%. That's 3.5× the size of a typical ORR position (median 0.4%). The latest big move was on Apr 13, 2026: HELS sold out of it (3.1% to 0.0%).

Held now inORR at 1.51%

First held in our dataMar 5, 2026

Since our record began-2.4%held since Nov 2, 2026 or earlier · S&P 500 +0.3%.

Big moves2

Position size by fund vs price

Shaded areas: position size in each fund (left axis). Line: share price (right axis). Shading below zero is a short. At zero, the fund didn't hold it. Our daily record starts Nov 21, 2025.

Big moves in MPLX

Date	Fund	Ticker	Name	Action	Position size	Since	Status
Apr 13, 2026	HELS closed	MPLX	Mplx LP	Sold	3.1% → 0.0%	—	Exited
Mar 5, 2026	HELS closed	MPLX	Mplx LP	Bought	0.0% → 3.0%	-4.7% -4.2 vs S&P	Exited