What does CUSIP 56585A102 represent in this 13F holders report?

CUSIP 56585A102 is the security identifier for MPC - Marathon Petroleum Corp - Common Stock used to aggregate holder disclosures.

How many institutions held MPC - Marathon Petroleum Corp - Common Stock in Q1 2018?

1004 institutional investors reported MPC - Marathon Petroleum Corp - Common Stock for Q1 2018. Use the holders table for investor-level position and value details.

Marathon Petroleum Corp - Common Stock (MPC)

CUSIP: 56585A102

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / Common Stock
Shares outstanding: 307,239,976
Total 13F shares: 372,853,402
Share change: -11,175,046
Total reported value: $27,208,315,884
Put/Call ratio: 107%
Price per share: $73.11
Number of holders: 1,004
Value change: -$763,414,904
Number of buys: 423
Number of sells: 473

Quarterly Holders Quick Answers

What is CUSIP 56585A102?
CUSIP 56585A102 identifies MPC - Marathon Petroleum Corp - Common Stock 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: Q2 2018
Previous quarter: Q4 2017

Recent filing periods for CUSIP 56585A102:

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

Top shareholders of MPC - Marathon Petroleum Corp - Common Stock (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
BlackRock Finance, Inc.	13F	Company	14%	43,967,213	$2,900,957,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	12%	38,354,150	$2,530,607,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	8.5%	25,984,759	$1,714,480,000	—	31 Dec 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	3.1%	9,626,828	$635,178,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	3%	9,066,224	$598,189,000	—	31 Dec 2017	13F
Boston Partners	13F	Company	2.9%	8,981,419	$592,593,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	2.8%	8,464,289	$558,475,000	—	31 Dec 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	2.6%	7,855,966	$518,337,000	—	31 Dec 2017	13F
IRIDIAN ASSET MANAGEMENT LLC/CT	13F	Company	2.3%	7,099,203	$468,405,000	—	31 Dec 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	1.9%	5,985,639	$394,970,000	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.9%	5,870,292	$386,599,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	1.9%	5,818,273	$383,890,000	—	31 Dec 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	1.8%	5,623,052	$371,009,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	1.8%	5,617,187	$370,621,000	—	31 Dec 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	1.7%	5,257,546	$346,893,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	1.7%	5,209,413	$343,716,000	—	31 Dec 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	1.7%	5,209,211	$343,704,000	—	31 Dec 2017	13F
AJO, LP	13F	Company	1.4%	4,362,538	$287,840,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	1.4%	4,208,375	$277,664,000	—	31 Dec 2017	13F
PRUDENTIAL FINANCIAL INC	13F	Company	1.3%	3,942,072	$260,107,000	—	31 Dec 2017	13F
PRINCIPAL FINANCIAL GROUP INC	13F	Company	1.2%	3,762,449	$248,245,000	—	31 Dec 2017	13F
FMR LLC	13F	Company	1.2%	3,756,903	$247,880,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	1.2%	3,652,731	$241,008,000	—	31 Dec 2017	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	1.1%	3,512,223	$231,737,000	—	31 Dec 2017	13F
LSV ASSET MANAGEMENT	13F	Company	1.1%	3,485,024	$229,941,000	—	31 Dec 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	1.1%	3,438,483	$226,573,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	1.1%	3,369,493	$222,320,000	—	31 Dec 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	1.1%	3,240,155	$213,785,000	—	31 Dec 2017	13F
STEADFAST CAPITAL MANAGEMENT LP	13F	Company	0.97%	2,988,775	$197,199,000	—	31 Dec 2017	13F
Legal & General Group Plc	13F	Company	0.93%	2,866,310	$189,134,000	—	31 Dec 2017	13F
APG Asset Management N.V.	13F	Company	1.1%	3,263,117	$179,298,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	0.77%	2,378,438	$156,929,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.74%	2,276,450	$150,201,000	—	31 Dec 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.74%	2,264,349	$149,401,747	—	31 Dec 2017	13F
Allianz Asset Management GmbH	13F	Company	0.68%	2,080,875	$137,296,000	—	31 Dec 2017	13F
RENAISSANCE TECHNOLOGIES LLC	13F	Company	0.65%	1,999,800	$131,947,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.63%	1,922,308	$126,834,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	0.61%	1,867,696	$123,231,000	—	31 Dec 2017	13F
River Road Asset Management, LLC	13F	Company	0.59%	1,815,306	$119,774,000	—	31 Dec 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.59%	1,810,891	$119,483,000	—	31 Dec 2017	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.56%	1,726,811	$113,935,000	—	31 Dec 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	0.55%	1,699,670	$112,144,000	—	31 Dec 2017	13F
DAVENPORT & Co LLC	13F	Company	0.54%	1,673,483	$110,416,437	—	31 Dec 2017	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	0.54%	1,658,838	$109,450,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	0.51%	1,568,940	$103,519,000	—	31 Dec 2017	13F
BANK OF MONTREAL /CAN/	13F	Company	0.51%	1,564,188	$103,205,000	—	31 Dec 2017	13F
BARCLAYS PLC	13F	Company	0.5%	1,534,726	$101,263,000	—	31 Dec 2017	13F
ROYAL BANK OF CANADA	13F	Company	0.48%	1,484,365	$97,938,000	—	31 Dec 2017	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.47%	1,433,282	$94,568,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.45%	1,390,162	$91,723,000	—	31 Dec 2017	13F

Institutional Holders of Marathon Petroleum Corp - Common Stock (MPC) as of Q1 2018

As of 31 Mar 2018, Marathon Petroleum Corp - Common Stock (MPC) was held by 1,004 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 372,853,402 shares. The largest 10 holders included BlackRock Inc., VANGUARD GROUP INC, STATE STREET CORP, JPMORGAN CHASE & CO, GOLDMAN SACHS GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, Boston Partners, PRICE T ROWE ASSOCIATES INC /MD/, GEODE CAPITAL MANAGEMENT, LLC, and DIMENSIONAL FUND ADVISORS LP. This page lists 1,005 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

981

Q1 2018 holders

1,004

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.