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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, Q3 2025

Institutional positions in MPLX LP as of Sep 30, 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
576
+9 vs. Q2 2025
Shares held
210.1M
−6.52M (−3.0%) vs. Q2 2025
Total value
$10.5B
−$645.3M (−5.8%) vs. Q2 2025
New holders
54
221 more added
Sold out
45
123 more reduced

8 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 576 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 heldQ3 2025: $10.5B
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, Q3 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2025.

Institutions holding MPLX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Advus Financial Partners, LLC6,000$299.7K0.07%00.0%Unchanged
Prossimo Advisors, LLC5,994$299.4K2.20%00.0%Unchanged
Summit Trail Advisors, LLC5,968$298.1K0.00%+29+0.5%Added
Winebrenner Capital Management LLC5,928$296.1K0.21%00.0%Unchanged
Atwood & Palmer Inc5,844$291.9K0.02%00.0%Unchanged
Van Cleef Asset Management,Inc5,808$290.1K0.03%00.0%Unchanged
Mosaic Family Wealth Partners, LLC5,786$289.6K0.03%00.0%Unchanged
Allie Family Office LLC5,719$285.7K0.14%00.0%Unchanged
Bank of Montreal5,644$281.9K0.00%+1,050+22.9%Added
Madden Securities Corp5,635$281.5K0.09%+618+12.3%Added
Parallel Advisors, LLC5,632$281.3K0.01%+140+2.5%Added
Philadelphia Trust Co5,620$281.0K0.02%00.0%Unchanged
Colony Group, LLC5,620$280.7K0.00%−3,149−35.9%Reduced
Secure Asset Management, LLC5,636$280.1K0.05%+44+0.8%Added
Visionary Wealth Advisors5,590$279.2K0.01%−276−4.7%Reduced
Belpointe Asset Management LLC5,578$278.6K0.01%−13,153−70.2%Reduced
Equitable Holdings, Inc.5,546$277.0K0.00%−307−5.2%Reduced
Outlook Wealth Advisors, LLC5,546$277.0K0.07%+5,546New
Madison Park Capital Advisors, LLC5,500$274.7K0.23%00.0%Unchanged
Green Square Capital Advisors LLC5,296$272.8K0.03%+5,296New
Federation des caisses Desjardins du Quebec5,450$272.2K0.00%00.0%Unchanged
Integrity Financial Corp5,447$272.1K0.13%+5,447New
Oak Family Advisors, LLC5,430$271.2K0.09%+7+0.1%Added
Quadrant Private Wealth Management, LLC5,400$269.7K0.05%00.0%Unchanged
Rockbridge Capital Management LLC5,381$268.8K0.16%00.0%Unchanged
BSW Wealth Partners5,376$268.5K0.03%00.0%Unchanged
MBE Wealth Management, LLC5,348$267.1K0.12%+5,348New
Parsons Capital Management Inc5,327$266.1K0.02%00.0%Unchanged
Claro Advisors LLC5,253$262.4K0.04%00.0%Unchanged
Cobblestone Capital Advisors LLC5,198$259.6K0.01%+198+4.0%Added
Royal Harbor Partners, LLC5,195$259.5K0.09%00.0%Unchanged
Endeavor Private Wealth, Inc.5,142$256.8K0.08%+5,142New
Somerset Trust Co5,120$255.7K0.08%00.0%Unchanged
Redhawk Wealth Advisors, Inc.5,105$255.0K0.03%+256+5.3%Added
Intrua Financial, LLC5,062$252.8K0.03%+73+1.5%Added
Magnus Financial Group LLC5,048$252.2K0.02%+446+9.7%Added
CWM, LLC5,039$252.0K0.00%+3,328+194.5%Added
Ascent Wealth Partners, LLC5,015$250.5K0.03%00.0%Unchanged
De Lisle Partners LLP5,000$249.8K0.03%00.0%Unchanged
Rockland Trust Co5,000$249.8K0.01%00.0%Unchanged
Intrepid Capital Management Inc5,000$249.8K0.10%00.0%Unchanged
Sittner & Nelson, LLC5,000$249.8K0.09%00.0%Unchanged
O'Shaughnessy Asset Management, LLC4,936$246.6K0.00%+728+17.3%Added
IFP Advisors, Inc4,933$246.4K0.01%−1,653−25.1%Reduced
Wealth Advisors of Tampa Bay, LLC4,900$244.8K0.08%00.0%Unchanged
Stillwater Wealth Management Group4,900$244.8K0.17%+4,900New
NBC Securities, Inc.4,817$240.6K0.02%−8−0.2%Reduced
Austin Wealth Management, LLC4,756$240.6K0.04%00.0%Unchanged
Baldwin Brothers Inc4,796$239.6K0.02%00.0%Unchanged
DRW Securities, LLC4,772$238.9K0.01%−1,098−18.7%Reduced
Entrewealth, LLC4,756$237.6K0.12%00.0%Unchanged
Brian Low Financial Group, LLC4,728$236.2K0.18%00.0%Unchanged
WSFS Capital Management, LLC4,721$235.8K0.01%+4,721New
Lodestone Wealth Management LLC4,610$230.3K0.10%+86+1.9%Added
Ieq Capital, LLC4,583$228.9K0.00%00.0%Unchanged
JustInvest LLC4,569$228.2K0.00%+4,569New
Zhang Financial LLC4,543$226.9K0.01%00.0%Unchanged
Mission Wealth Management, LP4,500$224.8K0.00%+500+12.5%Added
Rowland & Co Investment Counsel4,494$224.5K0.04%+2,060+84.6%Added
Capital Advisors Inc4,442$221.9K0.00%00.0%Unchanged
AE Wealth Management LLC4,435$221.5K0.00%+4,435New
IHT Wealth Management, LLC4,393$219.4K0.01%−346−7.3%Reduced
Williamson Legacy Group, LLC4,371$218.4K0.17%−16,141−78.7%Reduced
Aptus Capital Advisors, LLC4,315$215.5K0.00%+20.0%Added
Jaffetilchin Investment Partners, LLC4,312$215.4K0.01%+51+1.2%Added
Mattern Capital Management, LLC4,300$214.8K0.03%00.0%Unchanged
Blue Square Asset Management, LLC4,268$213.2K0.09%+4,268New
StoneX Group Inc.4,266$213.1K0.01%+5+0.1%Added
MinichMacGregor Wealth Management, LLC4,242$211.9K0.04%−13−0.3%Reduced
Titleist Asset Management, LLC4,174$208.5K0.02%+4,174New
Tyche Wealth Partners LLC4,147$207.1K0.04%00.0%Unchanged
Meridian Wealth Management, LLC4,109$205.3K0.01%+4,109New
Archford Capital Strategies, LLC4,107$205.1K0.02%00.0%Unchanged
Kingswood Wealth Advisors, LLC4,098$204.7K0.01%+4,098New
Panoramic Investment Advisors, LLC4,057$202.6K0.11%00.0%Unchanged
HFG Advisors, Inc.4,050$202.3K0.15%00.0%Unchanged
Clearstead Advisors, LLC4,038$201.7K0.00%+8+0.2%Added
Welch & Forbes LLC4,029$201.2K0.00%00.0%Unchanged
Huntington National Bank3,965$198.1K0.00%−100−2.5%Reduced
Tower Research Capital LLC (TRC)3,938$196.7K0.01%+3,904+11,482.4%Added
Adirondack Trust Co3,700$184.8K0.06%00.0%Unchanged
Global Retirement Partners, LLC3,631$181.4K0.00%+2,120+140.3%Added
Sound Income Strategies, LLC3,738$180.5K0.01%+507+15.7%Added
Colonial Trust Co3,492$174.4K0.02%00.0%Unchanged
Virtus Investment Advisers, Inc.3,450$172.3K0.05%+111+3.3%Added
SOA Wealth Advisors, LLC.3,440$171.8K0.03%00.0%Unchanged
Arlington Trust Co LLC3,400$169.8K0.03%+100+3.0%Added
Ancora Advisors, LLC3,277$163.7K0.00%+300+10.1%Added
SRS Capital Advisors, Inc.3,227$161.2K0.00%+2,897+877.9%Added
Nemes Rush Group LLC3,133$156.5K0.02%00.0%Unchanged
Ulland Investment Advisors, LLC3,000$150.0K0.11%−1,000−25.0%Reduced
Ameritas Advisory Services, LLC2,946$147.1K0.01%−2,105−41.7%Reduced
Cedar Wealth Management, LLC2,843$142.0K0.04%+543+23.6%Added
Capital Advisors, Ltd. LLC2,828$141.0K0.02%+52+1.9%Added
Smithfield Trust Co2,725$135.0K0.01%00.0%Unchanged
Boyd Watterson Asset Management LLC2,465$123.1K0.04%00.0%Unchanged
SG Americas Securities, LLC2,461$123.0K0.00%+2,461New
Proffitt & Goodson Inc2,205$110.1K0.02%−69−3.0%Reduced
American National Bank2,180$108.9K0.01%+2,116+3,306.3%Added
Principal Securities, Inc.2,179$108.8K0.00%−240−9.9%Reduced