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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 2021

Institutional positions in MPLX LP as of Sep 30, 2021. 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
311
+16 vs. Q2 2021
Shares held
263.8M
−13.1M (−4.7%) vs. Q2 2021
Total value
$7.51B
−$680.2M (−8.3%) vs. Q2 2021
New holders
36
97 more added
Sold out
20
100 more reduced

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 311 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 2021: $7.51B
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 2021

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q2 2021.

Institutions holding MPLX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
PEAK6 Investments LLC14,135$402.0K0.01%+10,524+291.4%Added
McDonald Partners LLC14,077$401.0K0.09%+36+0.3%Added
Steward Partners Investment Advisory, LLC13,970$398.0K0.01%+13+0.1%Added
Stratos Wealth Partners, LTD.13,357$380.0K0.01%+1,155+9.5%Added
Ameritas Investment Partners, Inc.13,337$379.0K0.01%+13,337New
Goodwin Daniel L13,300$378.0K0.18%00.0%Unchanged
International Assets Investment Management, LLC13,204$376.0K0.07%−12,370−48.4%Reduced
Peapack Gladstone Financial Corp13,078$372.0K0.01%−230−1.7%Reduced
Bluefin Capital Management, LLC13,075$372.0K0.04%+13,075New
Matrix Private Capital Group LLC12,796$364.0K0.19%00.0%Unchanged
Signaturefd, LLC12,295$350.0K0.01%00.0%Unchanged
Nuveen Asset Management, LLC12,176$347.0K0.00%+1,061+9.5%Added
Independent Advisor Alliance12,131$345.0K0.02%+754+6.6%Added
Cardan Capital Partners, LLC12,099$344.0K0.04%00.0%Unchanged
Claybrook Capital, LLC12,050$343.0K0.17%+12,050New
Sonora Investment Management, LLC11,830$337.0K0.04%00.0%Unchanged
Robertson Stephens Wealth Management, LLC11,635$331.0K0.04%00.0%Unchanged
Fifth Third Bancorp11,455$326.0K0.00%−35,050−75.4%Reduced
D.A. Davidson & Co.11,422$325.0K0.00%+11,422New
Monetary Management Group Inc10,894$310.0K0.09%+1,000+10.1%Added
Inscription Capital, LLC10,877$310.0K0.10%+10,877New
Baldwin Brothers Inc10,796$307.0K0.03%00.0%Unchanged
Cullinan Associates Inc10,600$302.0K0.02%00.0%Unchanged
BBR Partners, LLC10,209$291.0K0.02%00.0%Unchanged
Somerset Group LLC10,000$285.0K0.21%00.0%Unchanged
Wolverine Trading, LLC9,829$283.0K0.01%−126,143−92.8%Reduced
Bokf, NA9,915$282.0K0.00%+9,915New
American Portfolios Advisors9,812$279.4K0.01%+1,647+20.2%Added
Arrow Investment Advisors, LLC9,629$274.0K0.18%−924−8.8%Reduced
Cetera Advisors LLC9,633$274.0K0.01%+1,424+17.3%Added
Diversified Trust Co9,221$263.0K0.01%00.0%Unchanged
RBF Capital, LLC9,000$256.0K0.01%00.0%Unchanged
Icon Wealth Partners, LLC8,455$241.0K0.03%00.0%Unchanged
FDx Advisors, Inc.8,341$237.0K0.01%+120+1.5%Added
Green Square Capital Advisors LLC8,262$235.0K0.05%00.0%Unchanged
Cookson Peirce & Co Inc8,000$228.0K0.01%00.0%Unchanged
Sanders Morris Harris LLC7,823$226.0K0.04%00.0%Unchanged
Cherry Creek Investment Advisors, Inc.7,857$224.0K0.15%+187+2.4%Added
Advisor OS, LLC7,748$221.0K0.05%00.0%Unchanged
Pensionmark Financial Group, LLC7,700$219.0K0.05%00.0%Unchanged
Wealth Alliance7,689$219.0K0.05%+7,689New
Walled Lake Planning & Wealth Management, LLC7,645$218.0K0.13%00.0%Unchanged
Federation des caisses Desjardins du Quebec7,637$217.4K0.00%00.0%Unchanged
Carnegie Capital Asset Management, LLC7,615$217.0K0.01%00.0%Unchanged
Koshinski Asset Management, Inc.7,600$216.4K0.02%+7,600New
Ahrens Investment Partners LLC7,519$214.0K0.10%−2,000−21.0%Reduced
Dynamic Advisor Solutions LLC7,482$213.0K0.02%+7,482New
Adell Harriman & Carpenter Inc7,460$212.4K0.02%+7,460New
United Capital Financial Advisers, LLC7,206$205.0K0.00%−305−4.1%Reduced
Brown Brothers Harriman & Co7,090$202.0K0.00%00.0%Unchanged
Hilton Capital Management, LLC7,085$202.0K0.02%00.0%Unchanged
Northern Oak Wealth Management Inc6,350$181.0K0.02%+1,800+39.6%Added
Harbour Investments, Inc.6,263$178.0K0.01%−4−0.1%Reduced
Lee Financial Co6,166$176.0K0.04%00.0%Unchanged
Parkside Financial Bank & Trust5,996$171.0K0.05%00.0%Unchanged
Bogart Wealth, LLC5,779$165.0K0.02%+1,238+27.3%Added
Cowen Prime Advisors LLC5,674$162.0K0.06%00.0%Unchanged
SOA Wealth Advisors, LLC.5,670$161.0K0.04%−639−10.1%Reduced
State of Wyoming5,426$154.0K0.10%+3,218+145.7%Added
Tower Research Capital LLC (TRC)5,350$153.0K0.00%−31,204−85.4%Reduced
IFP Advisors, Inc5,334$152.0K0.00%00.0%Unchanged
CenterStar Asset Management, LLC–$121.0K0.09%–New
AdvisorNet Financial, Inc4,007$114.0K0.01%+697+21.1%Added
Proffitt & Goodson Inc4,014$114.0K0.02%+794+24.7%Added
Adirondack Trust Co3,700$111.0K0.05%+3,700New
Belpointe Asset Management LLC3,828$109.0K0.01%+144+3.9%Added
Cullen/Frost Bankers, Inc.3,436$98.0K0.00%+3,000+688.1%Added
Pacitti Group Inc.3,347$95.0K0.06%−500−13.0%Reduced
First Horizon Advisors, Inc.3,238$92.0K0.00%−272−7.7%Reduced
Spire Wealth Management3,143$89.0K0.00%+859+37.6%Added
Smithfield Trust Co2,725$79.0K0.01%00.0%Unchanged
FinTrust Capital Advisors, LLC2,750$78.0K0.02%00.0%Unchanged
Patriot Financial Group Insurance Agency, LLC2,734$78.0K0.01%00.0%Unchanged
Sound Income Strategies, LLC2,400$68.0K0.01%00.0%Unchanged
Geneos Wealth Management Inc.2,304$66.0K0.00%+360+18.5%Added
Optimum Investment Advisors2,299$65.0K0.03%00.0%Unchanged
Whittier Trust Co2,180$62.0K0.00%00.0%Unchanged
Clearstead Advisors, LLC2,000$57.0K0.00%00.0%Unchanged
Quadrant Capital Group LLC1,774$51.0K0.01%00.0%Unchanged
NuWave Investment Management, LLC1,732$49.0K0.06%+1,732New
HM Payson & Co1,563$44.0K0.00%00.0%Unchanged
Rockbridge Investment Management, LCC1,421$40.0K0.01%+34+2.5%Added
Capital Advisors, Ltd. LLC1,343$38.0K0.01%+32+2.4%Added
Huntington National Bank1,300$37.0K0.00%00.0%Unchanged
Trust Co1,235$35.0K0.01%00.0%Unchanged
Tfo-TDC, LLC1,228$35.0K0.01%+1,228New
Financial Management Professionals, Inc.1,090$31.0K0.01%00.0%Unchanged
PSI Advisors, LLC1,050$30.0K0.01%+1,050New
Harbor Investment Advisory, LLC1,000$28.0K0.00%00.0%Unchanged
Central Trust Co–$25.0K0.00%––
Capital Advisory Group Advisory Services, LLC850$24.0K0.01%+600+240.0%Added
Kings Point Capital Management522$15.0K0.00%00.0%Unchanged
GPS Wealth Strategies Group, LLC500$14.0K0.00%00.0%Unchanged
Ancora Advisors, LLC477$14.0K0.00%00.0%Unchanged
Cutler Group LP458$13.0K0.00%−2,220−82.9%Reduced
Professional Financial Advisors, LLC464$13.0K0.01%00.0%Unchanged
O'Dell Group, LLC436$12.0K0.00%+436New
NEXT Financial Group, Inc353$10.0K0.00%+159+82.0%Added
Meeder Asset Management Inc266$8.00K0.00%−789−74.8%Reduced
Strategic Asset Management, LLC271$8.00K0.01%+271New