Custom Index Systems’s MPLX MPLX Stock Holding History

Custom Index Systems’s Portfolio MPLX Stock Details MPLX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-19,116	Closed	-$985K	–	277
2025 Q2	$985K	Sell	19,116 -2,439	-11%	-$124K	0.47%	59
2025 Q1	$1.15M	Sell	21,555 -4,602	-18%	-$241K	0.58%	38
2024 Q4	$1.25M	Sell	26,157 -996	-4%	-$46.3K	0.67%	36
2024 Q3	$1.21M	Sell	27,153 -6,924	-20%	-$296K	0.65%	33
2024 Q2	$1.45M	Sell	34,077 -4,708	-12%	-$194K	0.83%	30
2024 Q1	$1.61M	Sell	38,785 -4,627	-11%	-$179K	0.92%	27
2023 Q4	$1.59M	Buy	+43,412	New	+$1.56M	0.98%	22

Other funds holding MPLX

ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return

TCA

Tortoise Capital Advisors Overland Park, Kansas $9.84B AUM 26.47% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return

KACA

Kayne Anderson Capital Advisors Los Angeles, California $5.1B AUM 17.16% 1-Year Est. Return

Mirae Asset Global ETFs Holdings Causeway Bay, Hong Kong $83.9B AUM 60.43% 1-Year Est. Return

EIP

Energy Income Partners Westport, Connecticut $6.36B AUM 17.8% 1-Year Est. Return

CCM

Chickasaw Capital Management Memphis, Tennessee $2.78B AUM 20.87% 1-Year Est. Return

Custom Index Systems's MPLX Position: Q3 2025 in Review

Custom Index Systems sold out of MPLX (MPLX) in Q3 2025, closing a stake of 19,116 shares — an estimated $985K sold.

Custom Index Systems first reported a position in MPLX in Q4 2023 and held it in 7 quarters. The position peaked at $1.61M in Q1 2024. 577 funds tracked by Wall St. Rank hold MPLX as of Q3 2025.

Custom Index Systems reported no remaining MPLX position as of Q3 2025 after selling out during the quarter.
Custom Index Systems sold 19,116 MPLX shares in Q3 2025, an estimated $985K.
Custom Index Systems first reported a position in MPLX in Q4 2023 and held it in 7 quarters.
Custom Index Systems's MPLX position peaked at $1.61M in Q1 2024.
577 funds tracked by Wall St. Rank held MPLX as of Q3 2025.

Based on Custom Index Systems's 13F filing for Q3 2025, filed 29 Oct 2025.