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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 2025

Institutional positions in MPLX LP as of Jun 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
575
+14 vs. Q1 2025
Shares held
217.1M
+306.4K (+0.1%) vs. Q1 2025
Total value
$11.2B
−$414.1M (−3.6%) vs. Q1 2025
New holders
63
215 more added
Sold out
49
131 more reduced

9 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 575 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 2025: $11.2B
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 2025

Shares, value and share of portfolio for each institution holding MPLX LP; share changes are against Q1 2025.

Institutions holding MPLX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Jane Street Group, LLC106,924$5.51M0.01%−200,871−65.3%Reduced
Wexford Capital LP99,945$5.15M1.44%00.0%Unchanged
Objectivity Squared, LLC95,486$4.92M3.38%+95,486New
The PNC Financial Services Group, Inc.92,794$4.78M0.00%−225−0.2%Reduced
Cresset Asset Management, LLC90,041$4.64M0.02%+60,774+207.7%Added
Wiley Bros.-Aintree Capital, LLC89,344$4.60M0.04%+4,143+4.9%Added
ELCO Management Co., LLC88,139$4.54M2.38%+1,321+1.5%Added
Crescent Grove Advisors, LLC88,095$4.54M0.44%−48−0.1%Reduced
PPM America Inc87,200$4.49M44.90%00.0%Unchanged
Pinnacle Holdings, LLC81,346$4.19M1.51%+816+1.0%Added
Mercer Global Advisors Inc80,891$4.17M0.01%−419−0.5%Reduced
Pacer Advisors, Inc.79,272$4.08M0.01%+1,148+1.5%Added
First Trust Advisors LP78,809$4.06M0.00%−43,645−35.6%Reduced
Brown Advisory Inc78,221$4.03M0.01%+20.0%Added
Van Eck Associates Corp77,655$4.00M0.00%+5,131+7.1%Added
Moneta Group Investment Advisors LLC76,985$3.97M0.05%−304−0.4%Reduced
Kovitz Investment Group Partners, LLC76,633$3.95M0.02%+98+0.1%Added
GWM Advisors LLC76,432$3.94M0.02%+52,383+217.8%Added
Corigliano Investment Advisers, LLC75,000$3.86M1.22%+47,000+167.9%Added
CoreCap Advisors, LLC74,461$3.84M0.15%+14,526+24.2%Added
FourThought Financial Partners, LLC74,362$3.83M0.38%+4,613+6.6%Added
Militia Capital Partners, LP73,000$3.76M1.77%+70,000+2,333.3%Added
Adell Harriman & Carpenter Inc72,930$3.76M0.25%+5,825+8.7%Added
Captrust Financial Advisors72,913$3.76M0.01%+2,974+4.3%Added
Private Wealth Partners, LLC72,900$3.76M0.29%+13,000+21.7%Added
Cambridge Investment Research Advisors, Inc.72,905$3.75M0.01%+4,843+7.1%Added
Basso Capital Management, L.P.71,200$3.67M2.72%00.0%Unchanged
Empowered Funds, LLC70,410$3.63M0.04%+70,410New
Dividend Assets Capital, LLC69,199$3.56M0.65%−2,962−4.1%Reduced
Janney Montgomery Scott LLC68,888$3.55M0.01%+12,624+22.4%Added
Childress Capital Advisors, LLC68,641$3.54M0.89%+1,800+2.7%Added
Steward Partners Investment Advisory, LLC68,278$3.52M0.03%+2,013+3.0%Added
Bridges Investment Management Inc67,482$3.48M0.05%00.0%Unchanged
Ameriprise Financial Inc63,195$3.26M0.00%+674+1.1%Added
Castellan Group, LLC62,153$3.20M0.59%+4,500+7.8%Added
Botty Investors LLC61,524$3.17M0.93%+672+1.1%Added
US Bancorp61,114$3.15M0.00%−5,824−8.7%Reduced
Castleark Management LLC60,622$3.12M0.09%−9,510−13.6%Reduced
Empirical Finance, LLC60,467$3.11M0.16%+60,467New
Jackson Hole Capital Partners, LLC60,067$3.09M0.57%+957+1.6%Added
Davenport & Co LLC59,583$3.07M0.02%00.0%Unchanged
GraniteShares Advisors LLC58,413$3.01M1.85%+3,652+6.7%Added
Greenup Street Wealth Management LLC58,278$3.00M0.52%+1,659+2.9%Added
MAI Capital Management57,732$2.97M0.02%+86+0.1%Added
Private Advisor Group, LLC57,158$2.94M0.02%+4,681+8.9%Added
Williams Jones Wealth Management, LLC.55,573$2.86M0.03%+1,000+1.8%Added
Turtle Creek Wealth Advisors, LLC55,209$2.84M0.34%+43,360+365.9%Added
Acadian Asset Management LLC54,820$2.82M0.01%−101,425−64.9%Reduced
Cerity Partners LLC53,113$2.74M0.00%+5,916+12.5%Added
Creative Planning53,036$2.73M0.00%+1,133+2.2%Added
Samalin Investment Counsel, LLC52,213$2.69M1.03%−1,626−3.0%Reduced
Northern Right Capital Management, L.P.51,232$2.64M0.90%00.0%Unchanged
Mizuho Markets Cayman LP50,868$2.62M0.19%+50,868New
Private Management Group Inc50,000$2.58M0.08%+50,000New
Silvercrest Asset Management Group LLC49,420$2.55M0.02%+2,187+4.6%Added
Mutual of America Capital Management LLC48,415$2.49M0.03%−3,090−6.0%Reduced
Independent Advisor Alliance47,813$2.46M0.07%−18,162−27.5%Reduced
Parkside Financial Bank & Trust44,198$2.28M0.25%+945+2.2%Added
CFM Wealth Partners LLC42,876$2.21M0.35%00.0%Unchanged
Fayez Sarofim & Co42,775$2.20M0.01%00.0%Unchanged
Advisory Services Network, LLC41,751$2.19M0.04%+9,064+27.7%Added
Bahl & Gaynor Inc42,475$2.19M0.01%+750+1.8%Added
Zurich Insurance Group Ltd42,400$2.18M0.02%00.0%Unchanged
Doliver Advisors, LP41,573$2.14M0.59%−2,800−6.3%Reduced
Keybank National Association40,646$2.09M0.01%−2,763−6.4%Reduced
Geneva Partners, LLC40,000$2.06M0.82%00.0%Unchanged
Barnett & Company, Inc.39,847$2.05M1.61%−240−0.6%Reduced
Daymark Wealth Partners, LLC39,730$2.05M0.08%−244−0.6%Reduced
PFG Investments, LLC39,502$2.03M0.12%+1,703+4.5%Added
CI Private Wealth, LLC39,069$2.01M0.00%+7,828+25.1%Added
Reuter James Wealth Management, LLC39,048$2.01M0.32%00.0%Unchanged
RMB Capital Management, LLC38,839$2.00M0.04%+31,094+401.5%Added
Stratos Wealth Partners, LTD.38,411$1.98M0.03%+428+1.1%Added
Counterpoint Mutual Funds LLC36,767$1.89M0.17%+12,574+52.0%Added
VELA Investment Management, LLC36,685$1.89M0.56%+565+1.6%Added
Empire Financial Management Company, LLC36,225$1.87M0.54%00.0%Unchanged
Susquehanna International Group, LLP36,050$1.86M0.00%−6,625−15.5%Reduced
Pekin Hardy Strauss, Inc.35,565$1.83M0.21%00.0%Unchanged
Lido Advisors, LLC34,234$1.76M0.01%+479+1.4%Added
Obermeyer Wood Investment Counsel, LLLP34,199$1.76M0.09%−982−2.8%Reduced
Pathway Financial Advisers, LLC34,012$1.75M0.57%+1,695+5.2%Added
Northern Trust Corp33,985$1.75M0.00%−282,126−89.2%Reduced
Apollon Wealth Management, LLC33,682$1.73M0.03%−312−0.9%Reduced
Howard Financial Services, Ltd.33,676$1.73M0.23%+1,200+3.7%Added
Blair William & Co33,450$1.72M0.00%−37−0.1%Reduced
Brookstone Capital Management33,350$1.72M0.02%−1,444−4.2%Reduced
AssuredPartners Investment Advisors, LLC32,762$1.69M0.41%−903−2.7%Reduced
Stephens Inc32,655$1.68M0.02%+64+0.2%Added
Oppenheimer Asset Management Inc.32,162$1.66M0.02%−1,110−3.3%Reduced
Umb Bank N A31,912$1.64M0.03%00.0%Unchanged
Prospera Financial Services Inc31,572$1.63M0.03%+1,634+5.5%Added
Kestra Private Wealth Services, LLC31,336$1.61M0.02%+9,128+41.1%Added
Birch Capital Management, LLC31,044$1.60M0.82%00.0%Unchanged
Pingora Partners LLC30,823$1.59M1.19%00.0%Unchanged
Prevail Innovative Wealth Advisors, LLC30,291$1.56M0.35%−10,235−25.3%Reduced
Quadrant Capital Group LLC30,150$1.55M0.06%00.0%Unchanged
Bramshill Investments, LLC30,006$1.55M0.16%−162−0.5%Reduced
Anthracite Investment Company, Inc.30,000$1.55M0.81%00.0%Unchanged
IFG Advisory, LLC29,756$1.53M0.08%+5,571+23.0%Added
ProShare Advisors LLC29,598$1.52M0.00%+4,439+17.6%Added