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Livermore
Livermore
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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.

Q3 2021 vs. Q2 2021

How the institutions holding MPLX LP changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of MPLX: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders3016311+16
Shares277.0M161.0K263.8M−13.1M (−4.7%)
Value$8.20B$4.77M$7.51B−$680.2M (−8.3%)

6 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held MPLX LP at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to MPLX in Q3 2021
InstitutionSharesValue% of portfolio
RR Advisors, LLC667,000$19.0M3.77%
Chiron Investment Management, LLC278,654$7.93M1.26%
CastleArk Alternatives, LLC250,162$7.12M0.27%
Progeny 3, Inc.181,945$5.18M1.29%
HRT Financial LP120,709$3.44M0.02%
Jump Financial, LLC99,874$2.84M0.21%
PPM America Inc89,400$2.54M1.19%
U.S. Capital Wealth Advisors, LLC71,022$2.02M0.09%
Merewether Investment Management, LP50,000$1.42M0.20%
Easterly Investment Partners LLC50,000$1.42M0.10%
Geneva Partners, LLC40,000$1.14M0.56%
Bellwether Advisors, LLC35,703$1.02M0.34%
Exencial Wealth Advisors, LLC27,725$789.0K0.03%
Susquehanna International Group, LLP22,170$631.0K0.00%
CFM Wealth Partners LLC21,391$609.0K0.15%
Formidable Asset Management, LLC16,696$475.0K0.09%
Clear Street Markets LLC14,300$407.0K0.09%
Ameritas Investment Partners, Inc.13,337$379.0K0.01%
Bluefin Capital Management, LLC13,075$372.0K0.04%
Claybrook Capital, LLC12,050$343.0K0.17%
D.A. Davidson & Co.11,422$325.0K0.00%
Inscription Capital, LLC10,877$310.0K0.10%
Bokf, NA9,915$282.0K0.00%
Wealth Alliance7,689$219.0K0.05%
Koshinski Asset Management, Inc.7,600$216.4K0.02%
Dynamic Advisor Solutions LLC7,482$213.0K0.02%
Adell Harriman & Carpenter Inc7,460$212.4K0.02%
CenterStar Asset Management, LLC–$121.0K0.09%
Adirondack Trust Co3,700$111.0K0.05%
NuWave Investment Management, LLC1,732$49.0K0.06%
Tfo-TDC, LLC1,228$35.0K0.01%
PSI Advisors, LLC1,050$30.0K0.01%
O'Dell Group, LLC436$12.0K0.00%
Strategic Asset Management, LLC271$8.00K0.01%
Kozak & Associates, Inc.64$2.00K0.00%
Center for Financial Planning, Inc.11$00.00%

Sold out (20)

Institutions that held MPLX LP at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of MPLX in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Highland Capital Management Fund Advisors, L.P.385,923$11.4M
Arrowstreet Capital, Limited Partnership347,284$10.3M
Marshall Wace, LLP289,579$8.57M
Prudential PLC89,400$2.65M
Sumitomo Mitsui Trust Holdings, Inc.67,000$1.98M
State of Wisconsin Investment Board35,566$1.05M
Segment Wealth Management, LLC18,424$546.0K
Conning Inc.16,452$487.0K
Atlantic Union Bankshares Corp13,087$388.0K
Regions Financial Corp9,296$275.0K
XTX Topco Ltd8,448$250.0K
King Luther Capital Management Corp7,840$232.0K
Mid Atlantic Financial Management Inc7,221$214.0K
Clearview Wealth Advisors LLC7,080$210.0K
Westwood Holdings Group Inc.6,760$200.0K
Carroll Financial Associates, Inc.4,105$121.0K
Exchange Traded Concepts, LLC2,934$87.0K
Summit Wealth Group, LLC1,111$33.0K
Retirement Group, LLC326$10.0K
FFT Wealth Management LLC261$8.00K

Not filed for Q3 2021 yet (6)

Institutions that held MPLX LP at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MPLX in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Wexford Capital LP87,000$2.58M
Snow Capital Management LP50,000$1.48M
Usca Ria LLC10,207$302.0K
Castleview Partners, LLC8,081$239.0K
Cowen Prime Services LLC5,674$168.0K
CWM, LLC50$1.00K