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Marsh & McLennan Companies shares outstanding MRSH

Diluted shares outstanding, averaged over each quarter, from 2008.

Latest quarter, to Sep 30, 2026
479M
On a year earlier
−3.0%
fewer shares

Marsh & McLennan Companies had 479M diluted shares outstanding on average in Q3 FY26, the quarter to Sep 30, 2026.

That is 3.0% fewer than a year earlier, so each share owns a little more of the company.

Shares outstanding over time

Open the interactive chart, with overlays and comparisons

Fiscal year by fiscal year

Fiscal yearShares, fourth quarterChange
FY2025491M−1%
FY2024496M−1%
FY2023499M−1%
FY2022502M−2%
FY2021513M−0%
FY2020515M+1%
FY2019511M+1%
FY2018508M−2%
FY2017516M−1%
FY2016521M−1%
FY2015524M−5%
FY2014550M−1%
FY2013558M+1%
FY2012552M+1%
FY2011548M+0%

Each fiscal year is the twelve months to its fourth quarter, shown as the fourth quarter's average share count.

Quarter by quarter

QuarterEndedShares outstandingOn a year earlier
Q3 FY26479M−3%
Q2 FY26482M−3%
Q1 FY26486M−2%
Q4 FY25491M−1%
Q3 FY25494M−0%
Q2 FY25495M−0%
Q1 FY25495M−0%
Q4 FY24496M−1%
Q3 FY24496M−1%
Q2 FY24496M−1%
Q1 FY24497M−1%
Q4 FY23499M−1%

What the shares outstanding tells you

Diluted shares outstanding, averaged over the period. Fewer shares means each one owns more of the company.

A falling count usually means buybacks. A rising one means stock pay, acquisitions paid in shares or new shares sold.

More on Marsh & McLennan Companies

Valuation data, not investment advice. Prices as of . Reported figures come from the company's filings with the SEC.