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Livermore
Livermore
ZHEN

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: 301 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: $7.51BQ4 2021: $7.48BQ1 2022: $8.20BQ2 2022: $6.97BQ3 2022: $6.98BQ4 2022: $7.36BQ1 2023: $7.91BQ2 2023: $7.62BQ3 2023: $8.18BQ4 2023: $8.15BQ1 2024: $9.32BQ2 2024: $10.2BQ3 2024: $10.3BQ4 2024: $10.4BQ1 2025: $11.6BQ2 2025: $11.2BQ3 2025: $10.5BQ4 2025: $9.52BQ1 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$9.52B
Q3 2025576$10.5B
Q2 2025575$11.2B
Q1 2025570$11.6B
Q4 2024535$10.4B
Q3 2024502$10.3B
Q2 2024491$10.2B
Q1 2024480$9.32B
Q4 2023444$8.15B
Q3 2023398$8.18B
Q2 2023370$7.62B
Q1 2023381$7.91B
Q4 2022359$7.36B
Q3 2022342$6.98B
Q2 2022340$6.97B
Q1 2022350$8.20B
Q4 2021341$7.48B
Q3 2021311$7.51B
Q2 2021301$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
Icon Wealth Advisors, LLC6,871$387.0K0.02%−297−4.1%Reduced
Simplex Trading, LLC6,862$386.5K0.01%+6,862New
ORG Wealth Partners, LLC6,850$385.9K0.06%00.0%Unchanged
United Advisor Group, LLC6,810$383.6K0.04%+6,810New
Severin Investments, LLC6,809$383.5K0.29%+359+5.6%Added
Parallel Advisors, LLC6,716$378.3K0.01%+417+6.6%Added
Titleist Asset Management, LLC6,650$374.6K0.03%00.0%Unchanged
Redhawk Wealth Advisors, Inc.6,586$371.0K0.04%+45+0.7%Added
Aspen Grove Capital, LLC6,547$368.8K0.05%+106+1.6%Added
Keudell/Morrison Wealth Management6,509$366.7K0.07%+9+0.1%Added
Winebrenner Capital Management LLC6,495$365.9K0.22%+547+9.2%Added
First National Bank of Omaha6,489$364.8K0.01%−1,000−13.4%Reduced
Principal Street Partners, LLC6,448$363.2K0.05%00.0%Unchanged
Formidable Asset Management, LLC6,340$361.8K0.06%−92−1.4%Reduced
Vestia Personal Wealth Advisors6,420$361.6K0.14%00.0%Unchanged
Lavaca Capital LLC6,400$360.5K0.04%00.0%Unchanged
Madison Park Capital Advisors, LLC6,744$358.0K0.26%+1,244+22.6%Added
Squarepoint Ops LLC6,300$354.9K0.00%00.0%Unchanged
Vestcor Inc6,285$354.0K0.01%00.0%Unchanged
White Pine Capital LLC6,263$352.8K0.08%+6,263New
Bell Bank6,200$349.2K0.01%00.0%Unchanged
Advus Financial Partners, LLC6,191$348.7K0.08%+191+3.2%Added
Corps Capital Advisors, LLC6,104$343.8K0.28%00.0%Unchanged
Freestone Capital Holdings, LLC5,909$332.9K0.01%+5,909New
Atwood & Palmer Inc5,844$329.2K0.02%00.0%Unchanged
Van Cleef Asset Management,Inc5,808$327.2K0.03%00.0%Unchanged
Mosaic Family Wealth Partners, LLC5,786$325.9K0.02%00.0%Unchanged
Savvy Advisors, Inc.5,737$323.2K0.01%+12+0.2%Added
Confluence Wealth Services, Inc.5,733$322.9K0.01%+5,733New
Claro Advisors LLC5,653$318.4K0.03%+400+7.6%Added
Philadelphia Trust Co5,620$317.0K0.02%00.0%Unchanged
Gladstone Institutional Advisory LLC5,578$314.2K0.01%−594−9.6%Reduced
HFG Advisors, Inc.5,550$312.6K0.20%+1,500+37.0%Added
Counterpoint Mutual Funds LLC5,510$310.4K0.03%+5,510New
Wick Capital Partners, LLC5,509$310.3K0.05%+449+8.9%Added
Knuff & Co LLC5,500$309.8K0.08%+5,500New
Ameritas Advisory Services, LLC5,473$308.3K0.01%+5,473New
Parsons Capital Management Inc5,471$308.2K0.01%+144+2.7%Added
MBE Wealth Management, LLC5,466$307.9K0.11%+40+0.7%Added
Oak Family Advisors, LLC5,452$307.1K0.09%+7+0.1%Added
Annis Gardner Whiting Capital Advisors, LLC5,450$307.0K0.05%00.0%Unchanged
Avidian Wealth Solutions, LLC5,422$305.4K0.01%+1,029+23.4%Added
Outlook Wealth Advisors, LLC5,422$305.4K0.07%+20.0%Added
Quadrant Private Wealth Management, LLC5,400$304.2K0.07%00.0%Unchanged
Rockbridge Capital Management LLC5,381$303.1K0.20%00.0%Unchanged
BSW Wealth Partners5,376$302.8K0.03%00.0%Unchanged
Green Square Capital Advisors LLC5,363$302.1K0.03%+17+0.3%Added
Aptus Capital Advisors, LLC5,352$301.5K0.00%+11+0.2%Added
Intrua Financial, LLC5,342$300.9K0.03%−1,807−25.3%Reduced
William John Sempolinski5,301$298.6K0.12%−238−4.3%Reduced
Quantum Financial Planning Services, Inc.5,286$297.8K0.09%−2,714−33.9%Reduced
Verdence Capital Advisors LLC5,209$293.4K0.02%−510−8.9%Reduced
Royal Harbor Partners, LLC5,195$292.6K0.09%00.0%Unchanged
Fermata Advisors, LLC5,192$292.5K0.06%+25+0.5%Added
Tyche Wealth Partners LLC5,147$289.9K0.04%+200+4.0%Added
Somerset Trust Co5,120$288.4K0.08%00.0%Unchanged
Entrewealth, LLC4,756$287.4K0.11%00.0%Unchanged
Ascent Wealth Partners, LLC5,015$282.5K0.03%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management5,000$281.6K0.00%−1,166−18.9%Reduced
Rockland Trust Co5,000$281.6K0.01%00.0%Unchanged
Intrepid Capital Management Inc5,000$281.6K0.10%00.0%Unchanged
Sittner & Nelson, LLC5,000$281.6K0.09%00.0%Unchanged
Aspetuck Financial Management LLC5,000$281.6K0.17%00.0%Unchanged
Everhart Financial Group, Inc.5,000$281.6K0.02%+5,000New
Annex Advisory Services, LLC4,986$280.9K0.00%−429−7.9%Reduced
Atria Investments LLC4,973$280.1K0.00%+4,973New
Naviter Wealth, LLC4,950$278.8K0.03%00.0%Unchanged
Resources Investment Advisors, LLC.4,927$277.5K0.00%00.0%Unchanged
Hilltop Holdings Inc.4,927$277.5K0.02%+429+9.5%Added
Advisor Resource Council4,840$275.7K0.09%−923−16.0%Reduced
Lodestone Wealth Management LLC4,887$275.3K0.10%+93+1.9%Added
Huntington National Bank4,880$274.9K0.00%+990+25.4%Added
Benjamin Edwards Inc4,848$273.1K0.00%+3+0.1%Added
SNS Financial Group, LLC4,845$272.9K0.01%+4,845New
Baldwin Brothers Inc4,796$270.2K0.02%00.0%Unchanged
Independent Financial Group, LLC4,796$270.2K0.01%+424+9.7%Added
NBC Securities, Inc.4,794$270.1K0.02%−87−1.8%Reduced
WSFS Capital Management, LLC4,746$267.4K0.01%+20.0%Added
Strategic Wealth Partners, Ltd.4,728$266.3K0.02%00.0%Unchanged
Brian Low Financial Group, LLC4,728$266.3K0.16%00.0%Unchanged
Elser Financial Planning, Inc4,687$264.0K0.01%00.0%Unchanged
Argent Trust Co4,669$263.0K0.01%+4,669New
Legacy Wealth Advisors, LLC4,627$260.6K0.11%−228−4.7%Reduced
Greenup Street Wealth Management LLC4,622$260.4K0.03%+12+0.3%Added
Wealth Alliance Advisory Group, LLC4,570$257.4K0.04%+300+7.0%Added
Zhang Financial LLC4,543$255.9K0.01%00.0%Unchanged
Wealth Advisors of Tampa Bay, LLC4,500$253.5K0.08%00.0%Unchanged
Phil A. Younker & Associates, Ltd.4,500$253.5K0.17%00.0%Unchanged
NTV Asset Management LLC4,469$251.7K0.02%00.0%Unchanged
Great Valley Advisor Group, Inc.4,445$250.6K0.00%−1,543−25.8%Reduced
Foundations Investment Advisors, LLC4,384$247.0K0.00%−2,415−35.5%Reduced
Thoroughbred Financial Services, LLC4,384$246.0K0.01%+211+5.1%Added
Ieq Capital, LLC4,333$244.1K0.00%00.0%Unchanged
Mattern Capital Management, LLC4,300$242.2K0.03%00.0%Unchanged
North Star Investment Management Corp.4,189$236.0K0.01%00.0%Unchanged
Hanover Advisors Inc4,124$232.3K0.08%+292+7.6%Added
Shepherd Financial Partners LLC4,120$232.1K0.02%+78+1.9%Added
Archford Capital Strategies, LLC4,107$231.3K0.02%00.0%Unchanged
Second Line Capital, LLC4,055$228.4K0.04%+20.0%Added
Griffin Asset Management, Inc.4,046$227.9K0.02%−574−12.4%Reduced