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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, Q4 2025

Institutional positions in MPLX LP as of Dec 31, 2025. 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
633
+67 vs. Q3 2025
Shares held
178.3M
−31.5M (−15.0%) vs. Q3 2025
Total value
$9.52B
−$965.4M (−9.2%) vs. Q3 2025
New holders
99
230 more added
Sold out
32
134 more reduced

10 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: 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 holdersQ4 2025: 633 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 heldQ4 2025: $9.52B
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, Q4 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q3 2025.

Institutions holding MPLX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Dynamic Advisor Solutions LLC6,883$367.4K0.01%+164+2.4%Added
ORG Wealth Partners, LLC6,850$365.6K0.09%00.0%Unchanged
Whittier Trust Co of Nevada Inc7,000$365.5K0.01%+7,000New
Peddock Capital Advisors, LLC6,825$364.3K0.08%+6,825New
ORBA Wealth Advisors, L.L.C.6,756$360.6K0.31%00.0%Unchanged
NewEdge Wealth, LLC6,737$359.6K0.00%00.0%Unchanged
Two Sigma Securities, LLC6,703$357.7K0.05%−175−2.5%Reduced
Vestia Personal Wealth Advisors6,420$357.1K0.18%−40−0.6%Reduced
Magnolia Capital Advisors LLC6,613$352.9K0.07%+6,613New
Summit Trail Advisors, LLC6,600$352.2K0.01%+632+10.6%Added
Titleist Asset Management, LLC6,554$349.8K0.03%+2,380+57.0%Added
Principal Street Partners, LLC6,518$347.9K0.06%00.0%Unchanged
Glenview Trust Co6,500$346.9K0.01%00.0%Unchanged
Keudell/Morrison Wealth Management6,500$346.9K0.07%+6,500New
Gladstone Institutional Advisory LLC6,446$344.1K0.01%+377+6.2%Added
Aspen Grove Capital, LLC6,441$343.8K0.06%00.0%Unchanged
Lavaca Capital LLC6,400$341.6K0.06%00.0%Unchanged
Hilltop National Bank6,400$341.6K0.08%00.0%Unchanged
Severin Investments, LLC6,398$341.5K0.30%−534−7.7%Reduced
Redhawk Wealth Advisors, Inc.6,290$335.7K0.04%+1,185+23.2%Added
Capital Advisory Group Advisory Services, LLC6,279$335.1K0.10%−494−7.3%Reduced
Vestmark Advisory Solutions, Inc.6,278$335.0K0.00%−1,002−13.8%Reduced
Mount Yale Investment Advisors, LLC6,278$335.0K0.02%−1,002−13.8%Reduced
Vestcor Inc6,285$335.0K0.01%−6,283−50.0%Reduced
Annex Advisory Services, LLC6,260$334.1K0.01%+6,260New
Resources Investment Advisors, LLC.6,232$332.6K0.00%00.0%Unchanged
Bell Bank6,200$330.9K0.01%00.0%Unchanged
Wellington Grp LLC6,156$328.5K0.11%+6,156New
Wellington Shields Capital Management, LLC6,000$320.2K0.05%00.0%Unchanged
Advus Financial Partners, LLC6,000$320.2K0.08%00.0%Unchanged
Prossimo Advisors, LLC5,994$319.9K2.06%00.0%Unchanged
Advisor Resource Council5,763$318.8K0.11%+5,763New
Winebrenner Capital Management LLC5,948$317.5K0.21%+20+0.3%Added
Atwood & Palmer Inc5,844$311.9K0.02%00.0%Unchanged
Van Cleef Asset Management,Inc5,808$310.0K0.03%00.0%Unchanged
Mosaic Family Wealth Partners, LLC5,786$308.8K0.03%00.0%Unchanged
Endeavor Private Wealth, Inc.5,736$306.1K0.09%+594+11.6%Added
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management5,720$305.3K0.01%−3,600−38.6%Reduced
Allie Family Office LLC5,719$305.2K0.14%00.0%Unchanged
Secure Asset Management, LLC5,684$303.3K0.05%+48+0.9%Added
Parallel Advisors, LLC5,679$303.1K0.01%+47+0.8%Added
Alpha Cubed Investments, LLC5,675$302.9K0.01%−2,018−26.2%Reduced
Federation des caisses Desjardins du Quebec5,658$302.1K0.00%+208+3.8%Added
Bank of Montreal5,644$301.2K0.00%00.0%Unchanged
JustInvest LLC5,630$300.5K0.00%+1,061+23.2%Added
Philadelphia Trust Co5,620$300.0K0.02%00.0%Unchanged
Visionary Wealth Advisors5,620$299.9K0.01%+30+0.5%Added
Beverly Hills Private Wealth, LLC5,579$297.8K0.05%+5,579New
Tucker Asset Management LLC5,560$296.7K0.09%+5,560New
StoneX Group Inc.5,531$295.2K0.01%+1,265+29.7%Added
Madison Park Capital Advisors, LLC5,500$293.5K0.24%00.0%Unchanged
Soltis Investment Advisors LLC5,468$291.8K0.02%+5,468New
Oak Family Advisors, LLC5,437$290.2K0.09%+7+0.1%Added
Quadrant Private Wealth Management, LLC5,400$288.2K0.05%00.0%Unchanged
Outlook Wealth Advisors, LLC5,390$287.7K0.07%−156−2.8%Reduced
MBE Wealth Management, LLC5,388$287.6K0.12%+40+0.7%Added
Rockbridge Capital Management LLC5,381$287.2K0.17%00.0%Unchanged
BSW Wealth Partners5,376$286.9K0.03%00.0%Unchanged
Green Square Capital Advisors LLC5,330$284.4K0.03%+34+0.6%Added
Parsons Capital Management Inc5,327$284.3K0.02%00.0%Unchanged
Madden Securities Corp5,308$283.3K0.09%−327−5.8%Reduced
O'Shaughnessy Asset Management, LLC5,263$280.9K0.00%+327+6.6%Added
Claro Advisors LLC5,253$280.4K0.04%00.0%Unchanged
Sittner & Nelson, LLC5,000$280.0K0.10%00.0%Unchanged
Aptus Capital Advisors, LLC5,240$279.7K0.00%+925+21.4%Added
Evolve Private Wealth, LLC5,229$279.1K0.02%+5,229New
Royal Harbor Partners, LLC5,195$277.3K0.09%00.0%Unchanged
Magnus Financial Group LLC5,145$274.6K0.02%+97+1.9%Added
Somerset Trust Co5,120$273.3K0.08%00.0%Unchanged
Meridian Wealth Management, LLC5,109$272.7K0.01%+1,000+24.3%Added
Wick Capital Partners, LLC5,032$268.5K0.05%+5,032New
Ascent Wealth Partners, LLC5,015$267.7K0.03%00.0%Unchanged
Ulland Investment Advisors, LLC5,000$267.0K0.21%+2,000+66.7%Added
De Lisle Partners LLP5,000$267.0K0.03%00.0%Unchanged
Rockland Trust Co5,000$266.9K0.01%00.0%Unchanged
Intrepid Capital Management Inc5,000$266.9K0.10%00.0%Unchanged
Mission Wealth Management, LP5,000$266.9K0.01%+500+11.1%Added
Shay Capital LLC5,000$266.9K0.04%+5,000New
Stonebridge Financial Group, LLC5,000$266.9K0.23%+5,000New
Entrewealth, LLC4,756$266.3K0.12%00.0%Unchanged
Naviter Wealth, LLC4,950$264.2K0.03%+4,950New
Wealth Advisors of Tampa Bay, LLC4,900$261.5K0.09%00.0%Unchanged
Legacy Wealth Advisors, LLC4,855$259.1K0.17%+4,855New
William John Sempolinski4,839$258.3K0.13%+4,839New
NBC Securities, Inc.4,796$256.0K0.02%−21−0.4%Reduced
Baldwin Brothers Inc4,796$256.0K0.02%00.0%Unchanged
WSFS Capital Management, LLC4,742$253.1K0.01%+21+0.4%Added
Rowland & Co Investment Counsel4,741$253.0K0.05%+247+5.5%Added
Brian Low Financial Group, LLC4,728$252.3K0.18%00.0%Unchanged
Strategic Wealth Partners, Ltd.4,728$252.3K0.02%+4,728New
Lodestone Wealth Management LLC4,704$251.1K0.10%+94+2.0%Added
Stillwater Wealth Management Group4,700$250.8K0.17%−200−4.1%Reduced
Austin Wealth Management, LLC4,756$249.9K0.04%00.0%Unchanged
Tyche Wealth Partners LLC4,647$248.0K0.04%+500+12.1%Added
AE Wealth Management LLC4,605$245.8K0.00%+170+3.8%Added
Ieq Capital, LLC4,583$244.6K0.00%00.0%Unchanged
Zhang Financial LLC4,543$242.5K0.01%00.0%Unchanged
Stonehaven Wealth & Tax Solutions, LLC4,520$241.2K0.22%+4,520New
NTV Asset Management LLC4,469$238.5K0.03%+4,469New
Park Avenue Securities LLC4,450$237.0K0.00%+4,450New