Question 1

Does Appaloosa own MPLX stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Appaloosa holds 502,460 shares of MPLX (MPLX LP Com Unit Rep), worth $28.3M.

Question 2

How many shares of MPLX does Appaloosa own?

Accepted Answer

As of its Q2 2026 13F, Appaloosa holds 502,460 shares of MPLX (MPLX LP Com Unit Rep).

Question 3

What is Appaloosa's MPLX position worth?

Accepted Answer

As of its Q2 2026 13F, Appaloosa's MPLX position is worth $28.3M.

Question 4

When did Appaloosa first buy MPLX?

Accepted Answer

Appaloosa first reported MPLX in its Q4 2020 13F and has listed it in 23 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Unchanged	502,460	0.0%	$28.3M	0.4%	$55.33	0
2026-Q1	Decreased	502,460	-19.9%	$28.7M	0.5%	$54.98	0
2025-Q4	Increased	627,500	+17.3%	$33.5M	0.5%	$50.43	41
2025-Q3	Decreased	535,000	-7.5%	$26.7M	0.4%	$46.21	0
2025-Q2	Unchanged	578,500	0.0%	$29.8M	0.5%	$46.77	0
2025-Q1	Unchanged	578,500	0.0%	$31M	0.4%	$47.66	0
2024-Q4	Unchanged	578,500	0.0%	$27.7M	0.4%	$41.83	0
2024-Q3	Decreased	578,500	-5.4%	$25.7M	0.4%	$38.07	0