Buyback Radar
Company reports

Marsh & Mclennan Companies

MRSH

Marsh & Mclennan Companies has retired 14.0% of its shares since 2006, from 552,775,515 to 475,514,327.

14.0%retired since 2006
5.8%last 5 years
2.9%last 12 months
476Mshares today
Shares outstanding, 1999 to todaysplit adjusted, from SEC filings
553M shares, 2006476M200020052010201520202025
1999, 535,721,4242026-10-12, 475,514,327
A share bought in 1999
1.1× more of Marsh & Mclennan Companies today, without buying another share. It was one of 535,721,424 shares then. It is one of 475,514,327 now.
Every filing we read27 fiscal years, split adjusted
Fiscal yearDateShares outstandingFiling
19992000-02-29535,721,42410-Kcover page
20002001-02-28552,296,55810-Kcover page
20012002-02-28548,964,87810-Kcover page
20022003-02-28535,589,13710-Kcover page
20032004-02-27524,540,04010-Kcover page
20042004-02-18528,922,43410-Kcover page
20052006-02-17547,001,16210-Kcover page
20062007-02-16552,775,51510-Kcover page
20072007-12-31520,000,00010-K
20082008-12-31514,000,00010-K
20092010-02-19532,188,24910-K
20102011-02-18544,088,18510-K
20112012-02-17543,417,06410-K
20122013-02-20548,372,91510-K
20132014-02-21548,374,22310-K
20142015-02-20538,779,51410-K
20152016-02-18521,227,08510-K
20162017-02-16515,003,58610-K
20172018-02-19507,621,36010-K
20182019-02-18505,108,98010-K
20192020-02-18503,897,89410-K
20202021-02-12508,186,56110-K
20212022-02-10502,765,62910-K
20222023-02-09494,571,45110-K
20232024-02-08491,656,19610-K
20242025-02-06491,131,12610-K
20252026-02-05484,124,25310-K

Source: all 10-K filings of Marsh & Mclennan Companies on EDGAR. Download this series as CSV. Licence CC BY 4.0, credit Buyback Radar.

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Marsh & Mclennan Companies buybacks, answered

Is Marsh & Mclennan Companies buying back its stock?

Yes. Marsh & Mclennan Companies has 2.9% fewer shares outstanding than twelve months ago, 475,514,327 as of October 12, 2026. Over five years the share count is down 5.8%.

How many shares has Marsh & Mclennan Companies bought back?

Net of every new share it issued, Marsh & Mclennan Companies has 77.3 million fewer shares than at its 2006 peak. That is 14.0% of the company.

How many shares does Marsh & Mclennan Companies have outstanding?

475,514,327 shares, as of October 12, 2026, from the cover page of its latest 10-Q. At the 2006 peak it had 552,775,515.

What do Marsh & Mclennan Companies' buybacks mean for a shareholder?

Each share is a bigger slice of the company. Someone who held Marsh & Mclennan Companies stock in 2006 owns 1.2 times as much of the business today without buying another share. Whether that was a good use of cash depends on the price paid.

How does Marsh & Mclennan Companies compare with other cannibal stocks?

Marsh & Mclennan Companies ranks No. 243 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: Woodward (14.3%), Brown-Forman (14.1%), Align Technology (13.1%), Axalta Coating Systems (12.7%).

Every answer is computed from Marsh & Mclennan Companies' own SEC filings and rebuilt every Monday. Latest count: 10-Q on EDGAR.

Superinvestors who own it

Bill NygrenHarris Associates8,687,496 shares, $1.4B, Q2 2026
Tom GaynerMarkel Group763,500 shares, $127.3M, Q2 2026
Jensen InvestmentJensen Investment Management984,904 shares, $164.2M, Q2 2026
Steven RomickFirst Pacific Advisors121,213 shares, $20.2M, Q2 2026

From the latest 13F filings. All superinvestors.

Insider buying, last 12 months

No open-market purchases reported in the last 12 months.

The story

The numbers say what happened. The story says whether it can continue. We cover companies like Marsh & Mclennan Companies in depth on Cannibal Stocks.

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