Skip to main content
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
Sanders Morris Harris LLC4,380$236.2K0.36%−3,160−41.9%Reduced
Simon Quick Advisors, LLC4,400$234.8K0.01%+4,400New
Jaffetilchin Investment Partners, LLC4,340$231.6K0.01%+28+0.6%Added
Mattern Capital Management, LLC4,300$229.5K0.03%00.0%Unchanged
Fermata Advisors, LLC4,144$221.2K0.05%+4,144New
SRS Capital Advisors, Inc.4,129$220.4K0.01%+902+28.0%Added
MONECO Advisors, LLC4,113$219.5K0.02%+4,113New
Archford Capital Strategies, LLC4,107$219.2K0.03%00.0%Unchanged
GWN Securities Inc.4,092$218.4K0.04%+4,092New
Hilton Head Capital Partners, LLC4,058$216.6K0.13%+4,058New
Second Line Capital, LLC4,052$216.3K0.04%+4,052New
HFG Advisors, Inc.4,050$216.1K0.16%00.0%Unchanged
Clearstead Advisors, LLC4,038$215.5K0.00%00.0%Unchanged
Welch & Forbes LLC4,029$215.0K0.00%00.0%Unchanged
Sound Income Strategies, LLC3,746$212.0K0.01%+8+0.2%Added
Shepherd Financial Partners LLC3,968$211.7K0.02%+3,968New
Panoramic Investment Advisors, LLC3,957$211.2K0.11%−100−2.5%Reduced
Stableford Capital II LLC3,920$209.2K0.08%+3,920New
Teamwork Financial Advisors, LLC3,910$208.7K0.02%+3,910New
Tocqueville Asset Management L.P.3,900$208.1K0.00%+3,900New
Ramiah Investment Group3,867$206.4K0.18%+3,867New
MinichMacGregor Wealth Management, LLC3,865$206.3K0.04%−377−8.9%Reduced
Willis Johnson & Associates, Inc.3,861$206.1K0.01%+3,861New
RSM US Wealth Management LLC3,841$206.0K0.00%+3,841New
Gryphon Financial Partners LLC3,828$204.3K0.02%+3,828New
Sym Financial Corp3,825$204.1K0.02%+3,825New
Washington Trust Advisors, Inc.3,825$204.1K0.02%+3,825New
J Hagan Capital, Inc.3,823$204.0K0.11%+3,823New
Balboa Wealth Partners3,821$203.9K0.03%+3,821New
Huntington National Bank3,800$202.8K0.00%−165−4.2%Reduced
Bluefin Capital Management, LLC3,800$202.8K0.06%+3,800New
Douglass Winthrop Advisors, LLC3,800$202.8K0.00%+3,800New
Vivaldi Asset Management, LLC3,754$200.4K0.01%+3,754New
Adirondack Trust Co3,700$197.4K0.06%00.0%Unchanged
Colonial Trust Co3,492$186.4K0.02%00.0%Unchanged
Ancora Advisors, LLC3,327$177.6K0.00%+50+1.5%Added
Arlington Trust Co LLC3,300$176.1K0.02%−100−2.9%Reduced
SOA Wealth Advisors, LLC.3,191$170.3K0.03%−249−7.2%Reduced
Nemes Rush Group LLC3,133$167.2K0.02%00.0%Unchanged
Virtus Investment Advisers, Inc.3,025$161.4K0.04%−425−12.3%Reduced
Capital Advisors, Ltd. LLC2,885$154.0K0.02%+57+2.0%Added
Cedar Wealth Management, LLC2,843$151.7K0.05%00.0%Unchanged
Smithfield Trust Co2,725$145.0K0.01%00.0%Unchanged
Acumen Wealth Advisors, LLC2,603$138.9K0.04%+2,603New
Boyd Watterson Asset Management LLC2,465$131.6K0.04%00.0%Unchanged
Proffitt & Goodson Inc2,218$118.4K0.02%+13+0.6%Added
Crewe Advisors LLC2,211$118.0K0.01%+44+2.0%Added
Ritter Daniher Financial Advisory LLC2,133$113.8K0.02%+2,133New
Flagship Harbor Advisors, LLC2,050$109.4K0.01%+2,050New
Private Trust Co NA2,000$106.7K0.01%00.0%Unchanged
Anfield Capital Management, LLC1,801$96.1K0.03%00.0%Unchanged
Cary Street Partner Investment Advisory LLC1,800$96.1K0.03%00.0%Unchanged
Garton & Associates Financial Advisors LLC1,632$87.1K0.05%+1,632New
Russell Investments Group, Ltd.1,624$86.7K0.00%+1+0.1%Added
HM Payson & Co1,563$83.4K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.1,560$83.3K0.00%+1,435+1,148.0%Added
Fifth Third Bancorp1,499$80.0K0.00%00.0%Unchanged
Citizens National Bank Trust Department1,465$78.2K0.01%00.0%Unchanged
Central Trust Co1,457$77.8K0.00%00.0%Unchanged
Heritage Wealth Advisors1,452$77.5K0.00%+244+20.2%Added
Avalon Trust Co1,387$74.0K0.00%00.0%Unchanged
McIlrath & Eck, LLC1,377$73.5K0.01%00.0%Unchanged
First Horizon Corp1,315$70.2K0.00%00.0%Unchanged
Creative Financial Designs Inc1,260$67.2K0.00%00.0%Unchanged
Aventura Private Wealth, LLC1,243$66.3K0.02%00.0%Unchanged
Trust Co1,235$65.9K0.01%00.0%Unchanged
Geneos Wealth Management Inc.1,135$60.6K0.00%00.0%Unchanged
Activest Wealth Management1,045$55.8K0.01%+1,045New
1 North Wealth Services LLC1,040$55.5K0.02%+1,040New
Fortitude Family Office, LLC1,009$53.9K0.01%00.0%Unchanged
Harbor Investment Advisory, LLC1,000$53.4K0.00%00.0%Unchanged
WFA of San Diego, LLC1,000$53.4K0.04%00.0%Unchanged
Atlantic Private Wealth, LLC1,000$53.4K0.03%00.0%Unchanged
Brandywine Financial Group1,000$53.4K0.12%+1,000New
Vision Retirement, LLC998$53.3K0.01%+998New
Signature Equity Partners, LLC981$52.4K0.03%+981New
SageView Advisory Group, LLC948$50.6K0.00%+948New
Groesbeck Investment Management Corp910$49.0K0.09%+910New
Quent Capital, LLC847$45.2K0.00%00.0%Unchanged
Prosperity Bancshares Inc812$43.3K0.04%+812New
Root Financial Partners, LLC778$41.5K0.00%00.0%Unchanged
Wiser Advisor Group LLC771$41.2K0.05%+16+2.1%Added
Trust Co of Toledo NA750$40.0K0.00%00.0%Unchanged
Tanglewood Legacy Advisors, LLC696$37.1K0.01%00.0%Unchanged
VSM Wealth Advisory, LLC695$37.1K0.01%+9+1.3%Added
Chilton Capital Management LLC650$34.7K0.00%00.0%Unchanged
Caldwell Trust Co635$33.9K0.00%00.0%Unchanged
Eq Wealth Advisors, LLC594$31.7K0.02%+594New
Merited Wealth, LLC545$29.1K0.03%+545New
EverSource Wealth Advisors, LLC528$28.2K0.00%−85−13.9%Reduced
Trust Co of Vermont500$26.7K0.00%00.0%Unchanged
Solstein Capital, LLC500$26.7K0.01%00.0%Unchanged
Private Wealth Asset Management, LLC500$26.7K0.00%00.0%Unchanged
Ramirez Asset Management, Inc.450$24.0K0.00%00.0%Unchanged
Pacifica Partners Inc.400$21.5K0.01%00.0%Unchanged
Wellington Shields & Co., LLC400$21.3K0.01%00.0%Unchanged
Concord Wealth Partners389$20.8K0.00%00.0%Unchanged
Archer Investment Corp348$18.6K0.00%+7+2.1%Added
Ares Financial Consulting, LLC341$18.2K0.02%+341New
C M Bidwell & Associates Ltd326$17.4K0.01%00.0%Unchanged