MARSH & MCLENNAN COS (MMC) Institutional Ownership Changes & 13F Activity

MARSH & MCLENNAN COS (MMC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include AKO Capital, Jensen Investment Management, Parnassus Endeavor Fund, Renaissance Technologies LLC, and Torray Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2021Sequoia Financial AdvisorsBuy1,1971,197$208
Q4 2021Mairs & Power Growth FundSell-9821,484$258
Q3 2021Berkshire HathawaySell-1,454,9372,741,755$415,184
Q3 2021Viking Global InvestorsSell-901,2761,156,185$175,081
Q3 2021Renaissance Technologies LLCSell-257,00081,000$12,266
Q3 2021Jensen Investment ManagementBuy11,5951,196,760$181,225
Q2 2021Jensen Investment ManagementBuy1,185,1651,185,165$166,729
Q2 2021Berkshire HathawaySell-1,090,8344,196,692$590,391
Q2 2021Renaissance Technologies LLCSell-536,900338,000$47,550
Q2 2021Viking Global InvestorsSell-24,4262,057,461$289,444
Q2 2021Torray FundSell-22,415116,427$16,379
Q2 2021Dodge & Cox Stock FundSell-7282,860$402
Q1 2021Berkshire HathawayBuy1,019,7015,287,526$644,021
Q1 2021Renaissance Technologies LLCBuy789,600874,900$106,563
Q1 2021Viking Global InvestorsBuy761,3152,081,887$253,574
Q1 2021Dodge & Cox Stock FundBuy7283,588$437
Q4 2020Berkshire HathawayBuy4,267,8254,267,825$499,336
Q4 2020Viking Global InvestorsBuy837,2851,320,572$154,507
Q4 2020Torray FundSell-18,791138,842$16,245
Q4 2020Renaissance Technologies LLCBuy3,80085,300$9,980
Q3 2020Renaissance Technologies LLCSell-81,50081,500$9,348
Q3 2020Olstein Capital ManagementSell-7,00027,000$3,097
Q3 2020Torray FundSell-3,510157,633$18,081
Q2 2020Renaissance Technologies LLCSell-250,200163,000$17,501
Q2 2020Torray FundSell-749161,143$17,302
Q1 2020Torray FundSell-3,307161,892$13,997
Q1 2020Olstein Capital ManagementBuy1,00034,000$2,940
Q4 2019Sound Shore ManagementSell-212,697830,907$92,571
Q4 2019Olstein Capital ManagementSell-9,80033,000$3,677
Q4 2019Torray FundBuy2,844165,199$18,405

Frequently asked questions about MMC activity

  • Which institutional owners are buying MMC?

    Institutional owners buying MMC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in MMC activity?

    "Buy" means an investor increased their reported position in MMC compared to the prior reporting period. This reflects growing exposure to MARSH & MCLENNAN COS (MMC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in MMC increasing?

    Institutional interest in MMC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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