What does CUSIP 571748102 represent in this 13F holders report?

CUSIP 571748102 is the security identifier for MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM used to aggregate holder disclosures.

How many institutions held MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM in Q1 2018?

805 institutional investors reported MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM for Q1 2018. Use the holders table for investor-level position and value details.

MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH)

CUSIP: 571748102

Q1 2018 13F Holders as of 31 Mar 2018

Type / Class: Equity / COM
Total 13F shares: 434,336,222
Share change: -1,295,382
Total reported value: $35,837,655,350
Put/Call ratio: 41%
Price per share: $82.59
Number of holders: 805
Value change: -$97,660,710
Number of buys: 314
Number of sells: 386

Quarterly Holders Quick Answers

What is CUSIP 571748102?
CUSIP 571748102 identifies MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

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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 571748102:

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

Top shareholders of MRSH - MARSH & MCLENNAN COMPANIES, INC. - COM (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	— class O/S missing	38,689,377	$3,148,926,000	—	31 Dec 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	— class O/S missing	35,952,710	$2,926,193,000	—	31 Dec 2017	13F
VANGUARD GROUP INC	13F	Company	— class O/S missing	35,635,569	$2,900,378,000	—	31 Dec 2017	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	— class O/S missing	35,436,235	$2,884,155,000	—	31 Dec 2017	13F
STATE STREET CORP	13F	Company	— class O/S missing	24,009,551	$1,954,143,000	—	31 Dec 2017	13F
Capital World Investors	13F	Company	— class O/S missing	16,381,607	$1,333,299,000	—	31 Dec 2017	13F
Capital International Investors	13F	Company	— class O/S missing	12,500,397	$1,017,407,000	—	31 Dec 2017	13F
PRIMECAP MANAGEMENT CO/CA/	13F	Company	— class O/S missing	9,876,145	$803,819,000	—	31 Dec 2017	13F
FMR LLC	13F	Company	— class O/S missing	8,185,845	$666,246,000	—	31 Dec 2017	13F
MACQUARIE GROUP LTD	13F	Company	— class O/S missing	7,938,966	$646,320,000	—	31 Dec 2017	13F
Artisan Partners Limited Partnership	13F	Company	— class O/S missing	7,563,196	$615,569,000	—	31 Dec 2017	13F
UBS Group AG	13F	Company	— class O/S missing	6,712,782	$546,354,000	—	31 Dec 2017	13F
NORTHERN TRUST CORP	13F	Company	— class O/S missing	6,704,069	$545,645,000	—	31 Dec 2017	13F
AMUNDI ASSET MANAGEMENT US, INC.	13F	Company	— class O/S missing	6,321,910	$514,540,000	—	31 Dec 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	— class O/S missing	6,271,021	$510,418,000	—	31 Dec 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	— class O/S missing	5,775,573	$470,073,000	—	31 Dec 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	— class O/S missing	5,770,188	$469,635,602	—	31 Dec 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	— class O/S missing	5,533,883	$449,483,000	—	31 Dec 2017	13F
NIPPON LIFE INSURANCE CO	13F	Company	— class O/S missing	5,245,400	$426,923,000	—	31 Dec 2017	13F
Invesco Ltd.	13F	Company	— class O/S missing	4,614,591	$375,580,000	—	31 Dec 2017	13F
Bank of New York Mellon Corp	13F	Company	— class O/S missing	4,464,180	$363,341,000	—	31 Dec 2017	13F
JPMORGAN CHASE & CO	13F	Company	— class O/S missing	4,346,461	$353,759,000	—	31 Dec 2017	13F
JANUS HENDERSON GROUP PLC	13F	Company	— class O/S missing	3,703,645	$301,446,000	—	31 Dec 2017	13F
OppenheimerFunds, Inc.	13F	Company	— class O/S missing	3,267,087	$265,907,000	—	31 Dec 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	— class O/S missing	3,159,362	$257,141,000	—	31 Dec 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	— class O/S missing	3,097,603	$252,114,000	—	31 Dec 2017	13F
Legal & General Group Plc	13F	Company	— class O/S missing	2,905,475	$236,493,000	—	31 Dec 2017	13F
Mawer Investment Management Ltd.	13F	Company	— class O/S missing	2,778,265	$226,463,000	—	31 Dec 2017	13F
NORGES BANK	13F	Company	— class O/S missing	2,703,526	$220,040,000	—	31 Dec 2017	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	— class O/S missing	2,552,166	$207,721,000	—	31 Dec 2017	13F
Capital Research Global Investors	13F	Company	— class O/S missing	2,514,053	$204,619,000	—	31 Dec 2017	13F
Boston Partners	13F	Company	— class O/S missing	2,506,998	$204,044,000	—	31 Dec 2017	13F
DIAMOND HILL CAPITAL MANAGEMENT INC	13F	Company	— class O/S missing	2,280,338	$185,597,000	—	31 Dec 2017	13F
MORGAN STANLEY	13F	Company	— class O/S missing	2,264,164	$184,280,000	—	31 Dec 2017	13F
WELLS FARGO & COMPANY/MN	13F	Company	— class O/S missing	2,171,954	$176,775,000	—	31 Dec 2017	13F
USS Investment Management Ltd	13F	Company	— class O/S missing	2,072,547	$168,716,000	—	31 Dec 2017	13F
Coho Partners, Ltd.	13F	Company	— class O/S missing	2,019,639	$164,378,000	—	31 Dec 2017	13F
Swiss National Bank	13F	Company	— class O/S missing	1,970,563	$160,384,000	—	31 Dec 2017	13F
DEUTSCHE BANK AG\	13F	Company	— class O/S missing	1,821,319	$148,232,000	—	31 Dec 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	— class O/S missing	1,769,535	$144,023,000	—	31 Dec 2017	13F
PARAMETRIC PORTFOLIO ASSOCIATES LLC	13F	Company	— class O/S missing	1,762,418	$143,443,000	—	31 Dec 2017	13F
APG Asset Management N.V.	13F	Company	— class O/S missing	2,114,262	$143,304,000	—	31 Dec 2017	13F
SANTA BARBARA ASSET MANAGEMENT, LLC	13F	Company	— class O/S missing	1,707,283	$138,956,000	—	31 Dec 2017	13F
Sumitomo Mitsui Trust Group, Inc.	13F	Company	— class O/S missing	1,633,462	$132,947,000	—	31 Dec 2017	13F
BAHL & GAYNOR INC	13F	Company	— class O/S missing	1,579,916	$128,589,000	—	31 Dec 2017	13F
NEW YORK STATE COMMON RETIREMENT FUND	13F	Company	— class O/S missing	1,551,500	$126,277,000	—	31 Dec 2017	13F
SOUND SHORE MANAGEMENT INC /CT/	13F	Company	— class O/S missing	1,549,997	$126,154,000	—	31 Dec 2017	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	— class O/S missing	1,502,239	$122,267,000	—	31 Dec 2017	13F
VICTORY CAPITAL MANAGEMENT INC	13F	Company	— class O/S missing	1,388,537	$113,013,000	—	31 Dec 2017	13F
Clearbridge Investments, LLC	13F	Company	— class O/S missing	1,370,104	$111,513,000	—	31 Dec 2017	13F

Institutional Holders of MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH) as of Q1 2018

As of 31 Mar 2018, MARSH & MCLENNAN COMPANIES, INC. - COM (MRSH) was held by 805 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 434,336,222 shares. The largest 10 holders included PRICE T ROWE ASSOCIATES INC /MD/, BlackRock Inc., VANGUARD GROUP INC, WELLINGTON MANAGEMENT GROUP LLP, STATE STREET CORP, Capital World Investors, Capital International Investors, PRIMECAP MANAGEMENT CO/CA/, Artisan Partners Limited Partnership, and MACQUARIE GROUP LTD. This page lists 806 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

800

Q1 2018 holders

805

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.