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MARSH & MCLENNAN COS INC

MRSH

Holders

3

Combined Value

$1.09B

Combined Shares

6,298,119

Current Price

$168.68

52W High

$220.32

vs 52W High

−23.4%

Investor Activity Chart

Quarterly buys (▲) and sells (▼) by tracked investors. Click a marker to view that investor's portfolio; hover for details. Price line is implied from 13F filings (value ÷ shares), not market data.

$159.33$192.27$225.21$258.15Q2'24Q3'24Q4'24Q1'25Q2'25Q3'25Q4'25Q1'26Q2 2024 · implied price $210.72Q3 2024 · implied price $223.09Q4 2024 · implied price $212.41Q1 2025 · implied price $244.03Q2 2025 · implied price $218.64Q3 2025 · implied price $201.53Q4 2025 · implied price $185.52Q1 2026 · implied price $173.45Tom Gayner - Markel Group · bought 706,500 shares @ ~$210.72 · Q2 2024 (new position)Jim Simons - Renaissance Technologies · bought 339,600 shares @ ~$210.72 · Q2 2024 (new position)Tom Gayner - Markel Group · bought 16,000 shares @ ~$223.09 · Q3 2024Jim Simons - Renaissance Technologies · sold 29,700 shares @ ~$223.09 · Q3 2024Jim Simons - Renaissance Technologies · bought 193,200 shares @ ~$212.41 · Q4 2024Tom Gayner - Markel Group · bought 13,000 shares @ ~$212.41 · Q4 2024Jim Simons - Renaissance Technologies · bought 115,900 shares @ ~$244.03 · Q1 2025Tom Gayner - Markel Group · bought 8,000 shares @ ~$244.03 · Q1 2025Jim Simons - Renaissance Technologies · bought 354,931 shares @ ~$218.64 · Q2 2025Tom Gayner - Markel Group · bought 5,250 shares @ ~$218.64 · Q2 2025Jim Simons - Renaissance Technologies · bought 146,369 shares @ ~$201.53 · Q3 2025Tom Gayner - Markel Group · bought 6,250 shares @ ~$201.53 · Q3 2025Tom Gayner - Markel Group · bought 6,750 shares @ ~$185.52 · Q4 2025Jim Simons - Renaissance Technologies · sold 722,700 shares @ ~$185.52 · Q4 2025Harris Associates (Oakmark Funds) · bought 5,169,119 shares @ ~$173.45 · Q1 2026 (new position)Tom Gayner - Markel Group · bought 1,750 shares @ ~$173.45 · Q1 2026Jim Simons - Renaissance Technologies · sold 32,100 shares @ ~$173.45 · Q1 2026BUYSELLIMPLIED PRICE

Held By

Tracked investors currently holding this security, based on each investor's most recent 13F filing. Gain compares the current market price to each investor's estimated average buy price.

InvestorValue% of PortfolioAvg Buy PriceGainLast ActivityAs of
Harris Associates (Oakmark Funds)$896.58M1.19%~$173.45−2.8%BUY Q1 2026Q1 2026
Tom Gayner - Markel Group$132.43M1.11%~$211.03−20.1%BUY Q1 2026Q1 2026
Jim Simons - Renaissance Technologies$63.40M0.10%~$215.77−21.8%SELL Q1 2026Q1 2026

Recent Activity

Latest position changes by tracked investors. Prices are estimates implied from 13F filings.

QuarterInvestorActionEst. ValueEst. Price
Q1 2026Harris Associates (Oakmark Funds)NEW BUY+$896.58M~$173.45
Q1 2026Jim Simons - Renaissance TechnologiesSELL−$5.57M~$173.45
Q1 2026Tom Gayner - Markel GroupBUY+$303.5K~$173.45
Q4 2025Jim Simons - Renaissance TechnologiesSELL−$134.08M~$185.52
Q4 2025Tom Gayner - Markel GroupBUY+$1.25M~$185.52
Q3 2025Jim Simons - Renaissance TechnologiesBUY+$29.50M~$201.53
Q3 2025Tom Gayner - Markel GroupBUY+$1.26M~$201.53
Q2 2025Jim Simons - Renaissance TechnologiesBUY+$77.60M~$218.64
Q2 2025Tom Gayner - Markel GroupBUY+$1.15M~$218.64
Q1 2025Jim Simons - Renaissance TechnologiesBUY+$28.28M~$244.03
Q1 2025Tom Gayner - Markel GroupBUY+$1.95M~$244.03
Q4 2024Jim Simons - Renaissance TechnologiesBUY+$41.04M~$212.41
Q4 2024Tom Gayner - Markel GroupBUY+$2.76M~$212.41
Q3 2024Jim Simons - Renaissance TechnologiesSELL−$6.63M~$223.09
Q3 2024Tom Gayner - Markel GroupBUY+$3.57M~$223.09
Q2 2024Tom Gayner - Markel GroupNEW BUY+$148.87M~$210.72
Q2 2024Jim Simons - Renaissance TechnologiesNEW BUY+$71.56M~$210.72

Ownership History

Aggregate position across all tracked investors per quarter (options excluded). Implied price is the reported value divided by shares held.

PeriodHoldersTotal SharesΔ SharesTotal ValueImplied Price
Q1 202636,298,119+443.2%$1.09B$173.45
Q4 202521,159,350-38.2%$215.08M$185.52
Q3 202521,875,300+8.9%$377.93M$201.53
Q2 202521,722,681+26.4%$376.65M$218.64
Q1 202521,362,500+10.0%$332.49M$244.03
Q4 202421,238,600+20.0%$263.09M$212.41
Q3 202421,032,400-1.3%$230.32M$223.09
Q2 202421,046,100$220.43M$210.72