What does CUSIP 55336V100 represent in this 13F holders report?

CUSIP 55336V100 is the security identifier for MPLX - MPLX LP - COM UNIT REP LTD used to aggregate holder disclosures.

How many institutions held MPLX - MPLX LP - COM UNIT REP LTD in Q4 2018?

323 institutional investors reported MPLX - MPLX LP - COM UNIT REP LTD for Q4 2018. Use the holders table for investor-level position and value details.

MPLX LP - COM UNIT REP LTD (MPLX)

CUSIP: 55336V100

Q4 2018 13F Holders as of 31 Dec 2018

Type / Class: Equity / COM UNIT REP LTD
Total 13F shares: 247,589,517
Share change: +900,356
Total reported value: $7,503,290,980
Put/Call ratio: 40%
Price per share: $30.30
Number of holders: 323
Value change: +$23,521,039
Number of buys: 134
Number of sells: 154

Quarterly Holders Quick Answers

What is CUSIP 55336V100?
CUSIP 55336V100 identifies MPLX - MPLX LP - COM UNIT REP LTD in SEC institutional holdings data.

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Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2019
Previous quarter: Q3 2018

Recent filing periods for CUSIP 55336V100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of MPLX - MPLX LP - COM UNIT REP LTD (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
TORTOISE CAPITAL ADVISORS, L.L.C.	13F	Company	— class O/S missing	28,187,706	$977,550,000	—	30 Sep 2018	13F
ALPS ADVISORS INC	13F	Company	— class O/S missing	25,426,675	$881,797,000	—	30 Sep 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	19,898,981	$690,097,000	—	30 Sep 2018	13F
OppenheimerFunds, Inc.	13F	Company	— class O/S missing	11,422,440	$396,131,000	—	30 Sep 2018	13F
Harvest Fund Advisors LLC	13F	Company	— class O/S missing	11,023,297	$382,288,000	—	30 Sep 2018	13F
KAYNE ANDERSON CAPITAL ADVISORS LP	13F	Company	— class O/S missing	10,762,421	$373,227,000	—	30 Sep 2018	13F
UBS Group AG	13F	Company	— class O/S missing	7,910,365	$274,331,000	—	30 Sep 2018	13F
BROOKFIELD Corp /ON/	13F	Company	— class O/S missing	7,377,931	$255,867,000	—	30 Sep 2018	13F
Salient Capital Advisors, LLC	13F	Company	— class O/S missing	6,621,046	$229,618,000	—	30 Sep 2018	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	6,132,094	$212,661,000	—	30 Sep 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	— class O/S missing	6,021,052	$208,810,000	—	30 Sep 2018	13F
CHICKASAW CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	5,708,264	$197,963,000	—	30 Sep 2018	13F
ADVISORY RESEARCH INC	13F	Company	— class O/S missing	5,574,488	$193,323,000	—	30 Sep 2018	13F
Stockbridge Partners LLC	13F	Company	— class O/S missing	5,321,653	$184,555,000	—	30 Sep 2018	13F
BANK OF MONTREAL /CAN/	13F	Company	— class O/S missing	5,071,754	$175,888,000	—	30 Sep 2018	13F
CIBC Private Wealth Group LLC	13F	Company	— class O/S missing	4,727,603	$163,954,000	—	30 Sep 2018	13F
CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT	13F	Company	— class O/S missing	4,350,306	$150,869,000	—	30 Sep 2018	13F
MORGAN STANLEY	13F	Company	— class O/S missing	4,344,937	$150,682,000	—	30 Sep 2018	13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	13F	Company	— class O/S missing	4,071,400	$141,196,000	—	30 Sep 2018	13F
MILLER HOWARD INVESTMENTS INC /NY	13F	Company	— class O/S missing	3,721,954	$129,077,000	—	30 Sep 2018	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	3,369,206	$116,845,000	—	30 Sep 2018	13F
Zimmer Partners, LP	13F	Company	— class O/S missing	2,948,198	$102,244,000	—	30 Sep 2018	13F
Clearbridge Investments, LLC	13F	Company	— class O/S missing	2,747,559	$95,285,000	—	30 Sep 2018	13F
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC	13F	Company	— class O/S missing	2,356,091	$81,709,000	—	30 Sep 2018	13F
COHEN & STEERS, INC.	13F	Company	— class O/S missing	2,313,853	$80,244,000	—	30 Sep 2018	13F
CITIGROUP INC	13F	Company	— class O/S missing	2,283,639	$79,196,000	—	30 Sep 2018	13F
BlackRock Finance, Inc.	13F	Company	— class O/S missing	2,262,780	$78,473,000	—	30 Sep 2018	13F
INFRASTRUCTURE CAPITAL ADVISORS, LLC	13F	Company	— class O/S missing	2,096,695	$74,034,000	—	30 Sep 2018	13F
VIRTUS ADVISERS, LLC	13F	Company	— class O/S missing	2,096,695	$72,713,000	—	30 Sep 2018	13F
BARCLAYS PLC	13F	Company	— class O/S missing	1,983,530	$68,789,000	—	30 Sep 2018	13F
TPG Group Holdings (SBS) Advisors, Inc.	13F	Company	— class O/S missing	1,920,588	$66,606,000	—	30 Sep 2018	13F
DUFF & PHELPS INVESTMENT MANAGEMENT CO	13F	Company	— class O/S missing	1,894,430	$65,699,000	—	30 Sep 2018	13F
Mirae Asset Global Investments Co., Ltd.	13F	Company	— class O/S missing	1,836,558	$63,691,000	—	30 Sep 2018	13F
DEUTSCHE BANK AG\	13F	Company	— class O/S missing	1,692,725	$58,703,000	—	30 Sep 2018	13F
EAGLE GLOBAL ADVISORS LLC	13F	Company	— class O/S missing	1,595,738	$55,340,000	—	30 Sep 2018	13F
Energy Income Partners, LLC	13F	Company	— class O/S missing	1,307,392	$45,340,000	—	30 Sep 2018	13F
HSBC HOLDINGS PLC	13F	Company	— class O/S missing	1,276,068	$44,254,000	—	30 Sep 2018	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	— class O/S missing	1,096,594	$38,030,000	—	30 Sep 2018	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	— class O/S missing	1,002,138	$34,754,000	—	30 Sep 2018	13F
State of New Jersey Common Pension Fund D	13F	Company	— class O/S missing	814,100	$28,233,000	—	30 Sep 2018	13F
DIVIDEND ASSETS CAPITAL, LLC	13F	Company	— class O/S missing	794,545	$27,555,000	—	30 Sep 2018	13F
Neuberger Berman Group LLC	13F	Company	— class O/S missing	766,334	$26,577,000	—	30 Sep 2018	13F
SPIRIT OF AMERICA MANAGEMENT CORP/NY	13F	Company	— class O/S missing	744,379	$25,815,000	—	30 Sep 2018	13F
Mariner, LLC	13F	Company	— class O/S missing	738,493	$25,611,000	—	30 Sep 2018	13F
NGP MR Management, LLC	13F	Company	— class O/S missing	715,163	$24,802,000	—	30 Sep 2018	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	— class O/S missing	665,787	$23,089,000	—	30 Sep 2018	13F
CADENCE CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	570,315	$19,779,000	—	30 Sep 2018	13F
VIRTUS ALTERNATIVE INVESTMENT ADVISERS, LLC	13F	Company	— class O/S missing	528,499	$18,490,000	—	30 Sep 2018	13F
MetLife Investment Management, LLC	13F	Company	— class O/S missing	521,187	$18,074,765	—	30 Sep 2018	13F
STIFEL FINANCIAL CORP	13F	Company	— class O/S missing	485,559	$16,839,000	—	30 Sep 2018	13F

Institutional Holders of MPLX LP - COM UNIT REP LTD (MPLX) as of Q4 2018

As of 31 Dec 2018, MPLX LP - COM UNIT REP LTD (MPLX) was held by 323 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 247,589,517 shares. The largest 10 holders included TORTOISE CAPITAL ADVISORS, L.L.C., ALPS ADVISORS INC, GOLDMAN SACHS GROUP INC, HARVEST FUND ADVISORS LLC, KAYNE ANDERSON CAPITAL ADVISORS LP, OppenheimerFunds, Inc., UBS Group AG, BANK OF AMERICA CORP /DE/, JPMORGAN CHASE & CO, and CHICKASAW CAPITAL MANAGEMENT LLC. This page lists 324 institutional shareholders reporting positions in this security for the Q4 2018 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2018 vs Q3 2018 Across Filers

Q3 2018 holders

319

Q4 2018 holders

323

Holder diff

Investor	Q3 2018 Shares	Q4 2018 Shares	Share Diff	Share Chg %	Q3 2018 Value $	Q4 2018 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.