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 Q1 2018?

316 institutional investors reported MPLX - MPLX LP - COM UNIT REP LTD for Q1 2018. Use the holders table for investor-level position and value details.

MPLX LP - COM UNIT REP LTD (MPLX)

CUSIP: 55336V100

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / COM UNIT REP LTD
Total 13F shares: 238,163,459
Share change: -23,562,020
Total reported value: $7,868,008,646
Put/Call ratio: 81%
Price per share: $33.04
Number of holders: 316
Value change: -$826,578,881
Number of buys: 153
Number of sells: 117

Security key

55336V100

Report period

Q1 2018

Institutions

316

Top holders

MPLX full security history Newer quarter: Q2 2018 Previous quarter: Q4 2017 MPLX LP SEC filings MPLX LP company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 55336V100

Newer quarter: Q2 2018 Previous quarter: Q4 2017

Recent filing periods:

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	24,236,080	$859,654,000	—	31 Dec 2017	13F
ALPS ADVISORS INC	13F	Company	— class O/S missing	23,994,554	$851,087,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	— class O/S missing	22,013,118	$780,805,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	17,714,342	$628,327,000	—	31 Dec 2017	13F
Blackstone Inc.	13F	Company	— class O/S missing	16,711,584	$592,760,000	—	31 Dec 2017	13F
OppenheimerFunds, Inc.	13F	Company	— class O/S missing	11,675,570	$414,132,000	—	31 Dec 2017	13F
KAYNE ANDERSON CAPITAL ADVISORS LP	13F	Company	— class O/S missing	10,773,632	$382,123,000	—	31 Dec 2017	13F
Center Coast Capital Advisors, LP	13F	Company	— class O/S missing	7,575,351	$268,698,000	—	31 Dec 2017	13F
CIBC Private Wealth Group LLC	13F	Company	— class O/S missing	7,330,465	$260,012,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	6,254,216	$221,837,000	—	31 Dec 2017	13F
ADVISORY RESEARCH INC	13F	Company	— class O/S missing	6,028,709	$213,838,000	—	31 Dec 2017	13F
Stockbridge Partners LLC	13F	Company	— class O/S missing	5,715,254	$202,720,000	—	31 Dec 2017	13F
BANK OF MONTREAL /CAN/	13F	Company	— class O/S missing	5,469,595	$194,006,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	— class O/S missing	5,155,307	$182,859,000	—	31 Dec 2017	13F
UBS Group AG	13F	Company	— class O/S missing	4,486,136	$159,123,000	—	31 Dec 2017	13F
CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT	13F	Company	— class O/S missing	4,174,041	$148,054,000	—	31 Dec 2017	13F
Salient Capital Advisors, LLC	13F	Company	— class O/S missing	4,158,919	$147,517,000	—	31 Dec 2017	13F
MILLER HOWARD INVESTMENTS INC /NY	13F	Company	— class O/S missing	4,102,744	$145,524,000	—	31 Dec 2017	13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS	13F	Company	— class O/S missing	3,964,993	$140,638,000	—	31 Dec 2017	13F
NATIXIS	13F	Company	— class O/S missing	3,580,300	$126,993,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	— class O/S missing	3,327,161	$118,013,000	—	31 Dec 2017	13F
Clearbridge Investments, LLC	13F	Company	— class O/S missing	2,768,194	$98,188,000	—	31 Dec 2017	13F
CHICKASAW CAPITAL MANAGEMENT LLC	13F	Company	— class O/S missing	2,760,181	$97,904,000	—	31 Dec 2017	13F
COHEN & STEERS, INC.	13F	Company	— class O/S missing	2,425,786	$86,043,000	—	31 Dec 2017	13F
HSBC HOLDINGS PLC	13F	Company	— class O/S missing	2,168,068	$76,901,000	—	31 Dec 2017	13F
BROOKFIELD Corp /ON/	13F	Company	— class O/S missing	2,073,504	$73,548,000	—	31 Dec 2017	13F
BARCLAYS PLC	13F	Company	— class O/S missing	2,041,228	$72,402,000	—	31 Dec 2017	13F
BlackRock Finance, Inc.	13F	Company	— class O/S missing	1,994,873	$70,758,000	—	31 Dec 2017	13F
Zimmer Partners, LP	13F	Company	— class O/S missing	1,884,849	$66,856,000	—	31 Dec 2017	13F
Neuberger Berman Group LLC	13F	Company	— class O/S missing	1,855,330	$65,809,000	—	31 Dec 2017	13F
DUFF & PHELPS INVESTMENT MANAGEMENT CO	13F	Company	— class O/S missing	1,828,730	$64,865,000	—	31 Dec 2017	13F
EAGLE GLOBAL ADVISORS LLC	13F	Company	— class O/S missing	1,818,899	$64,516,000	—	31 Dec 2017	13F
Global X Management CO LLC	13F	Company	— class O/S missing	1,693,101	$60,054,000	—	31 Dec 2017	13F
NGP MR Management, LLC	13F	Company	— class O/S missing	1,494,415	$53,007,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	1,422,623	$50,461,000	—	31 Dec 2017	13F
JENNISON ASSOCIATES LLC	13F	Company	— class O/S missing	1,036,800	$36,775,000	—	31 Dec 2017	13F
INFRASTRUCTURE CAPITAL ADVISORS, LLC	13F	Company	— class O/S missing	1,019,890	$36,175,000	—	31 Dec 2017	13F
WESTWOOD HOLDINGS GROUP INC	13F	Company	— class O/S missing	825,235	$29,271,000	—	31 Dec 2017	13F
HIGHLAND CAPITAL MANAGEMENT LP	13F	Company	— class O/S missing	821,441	$29,137,000	—	31 Dec 2017	13F
DIVIDEND ASSETS CAPITAL, LLC	13F	Company	— class O/S missing	768,961	$27,275,000	—	31 Dec 2017	13F
State of New Jersey Common Pension Fund D	13F	Company	— class O/S missing	755,700	$26,805,000	—	31 Dec 2017	13F
SPIRIT OF AMERICA MANAGEMENT CORP/NY	13F	Company	— class O/S missing	745,279	$26,435,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	— class O/S missing	704,145	$24,976,000	—	31 Dec 2017	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	— class O/S missing	663,396	$23,531,000	—	31 Dec 2017	13F
Mariner, LLC	13F	Company	— class O/S missing	587,384	$20,835,000	—	31 Dec 2017	13F
CITIGROUP INC	13F	Company	— class O/S missing	560,335	$19,876,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	— class O/S missing	549,653	$19,496,000	—	31 Dec 2017	13F
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/	13F	Company	— class O/S missing	523,764	$18,578,000	—	31 Dec 2017	13F
METROPOLITAN LIFE INSURANCE CO/NY	13F	Company	— class O/S missing	461,187	$16,358,000	—	31 Dec 2017	13F
TPH Asset Management, LLC	13F	Company	— class O/S missing	440,196	$15,614,000	—	31 Dec 2017	13F

Institutional Holders of MPLX LP - COM UNIT REP LTD (MPLX) as of Q1 2018

As of 31 Mar 2018, MPLX LP - COM UNIT REP LTD (MPLX) was held by 316 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 238,163,459 shares. The largest 10 holders included TORTOISE CAPITAL ADVISORS, L.L.C., ALPS ADVISORS INC, GOLDMAN SACHS GROUP INC, HARVEST FUND ADVISORS LLC, OppenheimerFunds, Inc., KAYNE ANDERSON CAPITAL ADVISORS LP, BANK OF AMERICA CORP /DE/, UBS Group AG, Atlantic Trust Group, LLC, and BANK OF MONTREAL /CAN/. This page lists 316 institutional shareholders reporting positions in this security for the Q1 2018 filing period.

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

Compare Q1 2018 vs Q4 2017 Across Filers

Q4 2017 holders

304

Q1 2018 holders

316

Holder diff

Investor	Q4 2017 Shares	Q1 2018 Shares	Share Diff	Share Chg %	Q4 2017 Value $	Q1 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.