MARSH & MCLENNAN COS (MMC) Institutional Ownership

MMC is currently held by 8 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $669.77M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Parnassus Endeavor Fund, which reported ownership valued at approximately $383.40M in its March 31, 2026 13F filing.

Major shareholders tracked on this page include Parnassus Endeavor Fund, Jensen Investment Management, Renaissance Technologies LLC, and other prominent asset managers. Collectively, these investors account for approximately 99% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional holding trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward MARSH & MCLENNAN COS (MMC).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20268$669,772,1794,122,737
Q4 20258$703,569,8345,275,796
Q3 20258$1,253,909,8478,019,905
Q2 20257$1,380,700,2838,095,366
Q1 20257$1,535,189,9108,410,597
Q4 20247$1,555,821,3619,385,380
Q3 20247$1,747,300,0899,803,526
Q2 20247$1,672,634,4979,423,205
Q1 20247$1,561,628,8859,113,836
Q4 20239$1,445,311,1109,176,271
Q3 20237$1,400,338,7968,250,967
Q2 20238$1,383,415,0528,218,074

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