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MPLX LP

MPLX
Exchange
NYSE
Industry
Pipe Lines (No Natural Gas)
SEC CIK
0001552000

No open-market purchases or sales by MPLX LP insiders were filed in the last 90 days; 639 institutions reported holding it in 13F filings for Q2 2026, worth $11.1B in total; Appaloosa is the only superinvestor holding it.

13F holders, Q2 2026

Institutional positions in MPLX LP as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
639
+2 vs. Q1 2026
Shares held
196.3M
−5.77M (−2.9%) vs. Q1 2026
Total value
$11.1B
−$473.1M (−4.1%) vs. Q1 2026
New holders
59
244 more added
Sold out
57
149 more reduced

9 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MPLX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 639 institutions
Q1 2021: 306 institutionsQ2 2021: 302 institutionsQ3 2021: 311 institutionsQ4 2021: 341 institutionsQ1 2022: 350 institutionsQ2 2022: 340 institutionsQ3 2022: 342 institutionsQ4 2022: 359 institutionsQ1 2023: 381 institutionsQ2 2023: 370 institutionsQ3 2023: 398 institutionsQ4 2023: 444 institutionsQ1 2024: 480 institutionsQ2 2024: 491 institutionsQ3 2024: 502 institutionsQ4 2024: 535 institutionsQ1 2025: 570 institutionsQ2 2025: 575 institutionsQ3 2025: 576 institutionsQ4 2025: 633 institutionsQ1 2026: 646 institutionsQ2 2026: 639 institutions
Value heldQ2 2026: $11.1B
Q1 2021: $7.34BQ2 2021: $8.20BQ3 2021: $7.52BQ4 2021: $7.51BQ1 2022: $8.33BQ2 2022: $6.97BQ3 2022: $6.98BQ4 2022: $7.36BQ1 2023: $7.99BQ2 2023: $7.71BQ3 2023: $8.19BQ4 2023: $8.62BQ1 2024: $10.3BQ2 2024: $10.5BQ3 2024: $10.6BQ4 2024: $10.6BQ1 2025: $12.1BQ2 2025: $11.2BQ3 2025: $10.7BQ4 2025: $9.55BQ1 2026: $11.6BQ2 2026: $11.1B
Institutions holding MPLX and their total value by quarter
QuarterHoldersValue
Q2 2026639$11.1B
Q1 2026646$11.6B
Q4 2025633$9.55B
Q3 2025576$10.7B
Q2 2025575$11.2B
Q1 2025570$12.1B
Q4 2024535$10.6B
Q3 2024502$10.6B
Q2 2024491$10.5B
Q1 2024480$10.3B
Q4 2023444$8.62B
Q3 2023398$8.19B
Q2 2023370$7.71B
Q1 2023381$7.99B
Q4 2022359$7.36B
Q3 2022342$6.98B
Q2 2022340$6.97B
Q1 2022350$8.33B
Q4 2021341$7.51B
Q3 2021311$7.52B
Q2 2021302$8.20B
Q1 2021306$7.34B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2026.

Institutions holding MPLX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Schulhoff & Co Inc9,500$535.1K0.22%00.0%Unchanged
Pinnacle Financial Partners, Inc.9,547$537.8K0.00%−630−6.2%Reduced
Holderness Investments Co9,582$539.8K0.09%+200+2.1%Added
Silverberg Bernstein Capital Management LLC9,644$543.2K0.21%00.0%Unchanged
Bitterroot Capital Advisors LLC9,703$546.6K0.33%+185+1.9%Added
Princeton Global Asset Management LLC9,740$548.7K0.08%−737−7.0%Reduced
Essex Financial Services, Inc.9,807$552.4K0.03%00.0%Unchanged
Colonial River Wealth Management, LLC9,903$557.8K0.16%−329−3.2%Reduced
Walled Lake Planning & Wealth Management, LLC9,924$559.0K0.14%+9+0.1%Added
Strategic Financial Concepts, LLC9,985$562.5K0.17%+1,315+15.2%Added
Abel Hall, LLC10,000$563.3K0.10%00.0%Unchanged
Retirement Solution Inc.10,101$569.0K0.11%+10,101New
Bokf, NA10,143$571.4K0.01%+228+2.3%Added
Rothschild Investment LLC10,150$571.8K0.02%00.0%Unchanged
MML Investors Services, LLC10,206$574.9K0.00%+1,969+23.9%Added
Magnus Financial Group LLC10,232$576.4K0.04%+674+7.1%Added
Compass Financial Management LLC9,988$576.8K0.07%+9,988New
Capital Investment Advisors, LLC10,268$578.4K0.01%−728−6.6%Reduced
Sunbeam Capital Management, LLC10,355$583.3K0.27%+9+0.1%Added
Trueblood Wealth Management, LLC10,377$584.5K0.20%+466+4.7%Added
Bouchey Financial Group Ltd10,568$595.3K0.04%00.0%Unchanged
Bedel Financial Consulting, Inc.10,632$598.9K0.06%+81+0.8%Added
Marshall Investment Management, LLC10,736$604.8K0.25%+40.0%Added
Diversify Wealth Management, LLC10,467$610.8K0.01%+122+1.2%Added
Diversify Advisory Services, LLC10,467$610.8K0.01%+136+1.3%Added
Capital Advisors Inc10,884$613.1K0.01%−267−2.4%Reduced
Lifetime Wealth Management P.C.11,000$619.6K0.36%00.0%Unchanged
Mitchell McLeod Pugh & Williams Inc11,106$625.6K0.08%+205+1.9%Added
Equitable Holdings, Inc.11,176$629.5K0.00%−1,219−9.8%Reduced
Northstar Advisory Group, LLC11,500$647.8K0.20%−500−4.2%Reduced
Merrion Investment Management Co, LLC11,525$649.2K0.31%00.0%Unchanged
Bryn Mawr Trust Co11,569$651.7K0.01%00.0%Unchanged
Monetary Management Group Inc11,600$653.4K0.13%00.0%Unchanged
David R. Rahn & Associates Inc.11,635$655.4K0.16%00.0%Unchanged
Wealthstar Advisors, LLC11,669$657.3K0.33%+243+2.1%Added
Venture Visionary Partners LLC11,677$657.8K0.02%+304+2.7%Added
IHT Wealth Management, LLC11,790$664.1K0.01%+1,024+9.5%Added
Addis & Hill, Inc12,150$684.4K0.38%00.0%Unchanged
Signal Advisors Wealth, LLC12,197$687.0K0.04%+753+6.6%Added
Dynamic Advisor Solutions LLC12,251$690.1K0.02%+1,316+12.0%Added
HBK Sorce Advisory LLC11,720$694.9K0.01%−33−0.3%Reduced
Stratos Wealth Advisors, LLC12,348$695.6K0.04%+409+3.4%Added
Arete Wealth Advisors, LLC12,439$700.7K0.05%−220−1.7%Reduced
Diversified Trust Co12,478$702.9K0.01%00.0%Unchanged
State of Wyoming12,692$714.9K0.07%+12,692New
Bradley Foster & Sargent Inc12,725$716.8K0.01%00.0%Unchanged
J.W. Cole Advisors, Inc.13,057$735.5K0.01%−436−3.2%Reduced
Augustine Asset Management Inc13,074$736.5K0.15%00.0%Unchanged
Commerce Bank13,333$751.0K0.00%00.0%Unchanged
HighPoint Advisor Group LLC13,382$753.8K0.03%−848−6.0%Reduced
Larson Financial Group LLC13,482$759.4K0.02%−1,647−10.9%Reduced
Truist Financial Corp13,508$760.9K0.00%−1,373−9.2%Reduced
Steel Peak Wealth Management LLC13,595$765.8K0.02%−790−5.5%Reduced
Modus Advisors, LLC13,875$781.6K0.19%00.0%Unchanged
ARS Investment Partners, LLC13,900$783.0K0.03%00.0%Unchanged
Moors & Cabot, Inc.13,943$785.4K0.03%00.0%Unchanged
Bessemer Group Inc14,010$789.0K0.00%00.0%Unchanged
Aviance Capital Partners, LLC14,015$789.5K0.08%00.0%Unchanged
Concurrent Investment Advisors, LLC14,069$792.5K0.01%+198+1.4%Added
Beacon Pointe Advisors, LLC14,226$801.4K0.00%+93+0.7%Added
Highlander Partners, L.P.14,291$805.0K0.27%00.0%Unchanged
Advisory Advocates, LLC14,294$805.2K0.69%+1,366+10.6%Added
Cornerstone Select Advisors, LLC14,457$814.4K0.34%+1,198+9.0%Added
Gen-Wealth Partners Inc14,645$824.9K0.23%+3,401+30.2%Added
Hardy Reed LLC14,670$826.4K0.05%00.0%Unchanged
Pensionmark Financial Group, LLC14,520$828.4K0.01%−2,033−12.3%Reduced
Gsa Capital Partners LLP14,763$832.0K0.05%+14,763New
IMC-Chicago, LLC14,873$837.8K0.01%+14,873New
Cary Street Partners Financial LLC15,019$846.0K0.02%+321+2.2%Added
SageGuard Financial Group, LLC15,127$852.1K0.12%−890−5.6%Reduced
Rehmann Capital Advisory Group15,173$854.7K0.04%+21+0.1%Added
Peddock Capital Advisors, LLC15,264$859.8K0.17%+2,465+19.3%Added
Segment Wealth Management, LLC15,447$870.1K0.05%00.0%Unchanged
Wellington Grp LLC15,589$878.1K0.23%+5,914+61.1%Added
Ausdal Financial Partners, Inc.15,711$885.0K0.03%+2,239+16.6%Added
First Interstate Bank16,000$901.3K0.05%00.0%Unchanged
Linscomb & Williams, Inc.16,002$901.4K0.04%−5,098−24.2%Reduced
Fulcrum Asset Management LLP16,052$902.4K0.09%00.0%Unchanged
Jones Financial Companies LLLP16,617$939.2K0.00%+3,944+31.1%Added
Cherry Creek Investment Advisors, Inc.16,825$947.7K0.37%+453+2.8%Added
Navellier & Associates Inc17,010$958.2K0.08%+6,250+58.1%Added
SL Advisors, LLC17,116$964.1K1.69%−113−0.7%Reduced
Cascade Financial Partners, LLC17,616$992.3K0.09%00.0%Unchanged
NewEdge Wealth, LLC17,790$1.00M0.01%+9,859+124.3%Added
Sym Financial Corp17,845$1.01M0.08%+1,236+7.4%Added
M&T Bank Corp17,915$1.01M0.00%+7,421+70.7%Added
VELA Investment Management, LLC18,164$1.02M0.25%+1,651+10.0%Added
IFP Advisors, Inc18,490$1.04M0.02%+8,717+89.2%Added
Attessa Capital LLC18,500$1.04M0.47%+18,500New
Kovack Advisors, Inc.18,695$1.05M0.05%−3,690−16.5%Reduced
Prime Capital Investment Advisors, LLC18,775$1.06M0.01%+600+3.3%Added
Bank of New York Mellon Corp19,420$1.09M0.00%−14,452−42.7%Reduced
Integrated Wealth Concepts LLC19,538$1.10M0.01%+111+0.6%Added
Compass Financial Group, INC19,589$1.10M0.13%+11,940+156.1%Added
Two Sigma Securities, LLC19,927$1.12M0.10%+4,494+29.1%Added
Novem Group20,000$1.13M0.11%−156−0.8%Reduced
Fidelis Capital Partners, LLC20,194$1.14M0.07%−30,000−59.8%Reduced
Tred Avon Family Wealth, LLC20,342$1.15M0.35%00.0%Unchanged
Pasadena Private Wealth, LLC20,414$1.15M0.15%−934−4.4%Reduced
CVFG LLC20,600$1.16M0.12%−100−0.5%Reduced