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 2022Torray FundSell-9,85386,932$14,385,507
Q4 2022Olstein Capital ManagementBuy2,00017,000$2,813
Q4 2022Sequoia Financial AdvisorsBuy1,2043,478$575,554
Q4 2022Mairs & Power Growth FundBuy481,484$245,572
Q3 2022Viking Global InvestorsSell-1,821,7051,006,898$150,320
Q3 2022Renaissance Technologies LLCSell-350,000323,001$48,221
Q3 2022Parnassus Endeavor FundBuy230,2184,326,841$645,954
Q3 2022Jensen Investment ManagementBuy179,4852,217,285$331,018
Q3 2022Torray FundBuy1,20096,785$14,449
Q3 2022Olstein Capital ManagementSell-1,00015,000$3,461
Q3 2022Sequoia Financial AdvisorsSell-1902,274$339
Q2 2022Parnassus Endeavor FundBuy4,096,6234,096,623$636,001
Q2 2022Viking Global InvestorsBuy577,9602,828,603$439,141
Q2 2022Jensen Investment ManagementBuy439,4852,037,800$316,368
Q2 2022Renaissance Technologies LLCBuy240,900673,001$104,483
Q2 2022Olstein Capital ManagementSell-5,00016,000$2,484
Q2 2022Mairs & Power Growth FundSell-8481,436$223
Q2 2022Sequoia Financial AdvisorsBuy3612,464$383
Q1 2022Viking Global InvestorsBuy989,0732,250,643$383,555
Q1 2022Renaissance Technologies LLCBuy242,600432,101$73,639
Q1 2022Jensen Investment ManagementBuy216,7401,598,315$272,385
Q1 2022Olstein Capital ManagementSell-4,00021,000$3,579
Q1 2022Sequoia Financial AdvisorsBuy9062,103$359
Q1 2022Mairs & Power Growth FundBuy8002,284$389
Q4 2021Berkshire HathawaySell-2,336,844404,911$70,382
Q4 2021Jensen Investment ManagementBuy184,8151,381,575$240,145
Q4 2021Renaissance Technologies LLCBuy108,501189,501$32,939
Q4 2021Viking Global InvestorsBuy105,3851,261,570$219,286
Q4 2021Torray FundSell-20,84295,585$16,615
Q4 2021Olstein Capital ManagementSell-2,00025,000$4,346

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.