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MMC

Ticker case file

MMC

MARSH & MCLENNAN COS INC

13FSmart MoneyPublic Filings

Tracked funds

12Unique WSM-tracked managers; table rows may include common shares and options

Politicians active

5Recent transactions disclosed via House Clerk / Senate eFD

13F notional

$6.3B2026-03-31

Top conviction

0.97%max % across any fund's portfolio
Source layer

This page is the WSM tracked universe, not market-wide ownership. 13F rows are quarterly snapshots, about 45 days delayed; PTR rows are event-based public disclosures.

13F filing

Funds holding this ticker

17
Manager13F valueConvictionClassOptionReportedSEC filing
Capital World InvestorsOther$3.1B0.43%SH2026-03-31SEC filing
FMR LLCOther$1.8B0.09%SH2026-03-31SEC filing
ClearBridge Investments, LLCOther$1.1B0.97%SH2026-03-31SEC filing
Two Sigma Investments, LPOther$117.4M0.09%SH2026-03-31SEC filing
Renaissance Technologies LLCOther$63.4M0.10%SH2026-03-31SEC filing
Jennison Associates LLCOther$38.6M0.03%SH2026-03-31SEC filing
Citadel Advisors LLCOther$23.7M0.00%SH2026-03-31SEC filing
Citadel Advisors LLCOther$19.5M0.00%SHCALL2026-03-31SEC filing
Millennium Management LLCOther$13.9M0.01%SH2026-03-31SEC filing
Baillie Gifford & CoOther$11.2M0.01%SH2026-03-31SEC filing
Millennium Management LLCHedge$2.6M0.00%SHPUT2026-03-31SEC filing
Balyasny Asset Management L.P.Other$2.2M0.00%SH2026-03-31SEC filing
Point72 Asset Management, L.P.Other$1.3M0.00%SHCALL2026-03-31SEC filing
Citadel Advisors LLCHedge$1.1M0.00%SHPUT2026-03-31SEC filing
Point72 Asset Management, L.P.Hedge$346.9K0.00%SHPUT2026-03-31SEC filing
Two Sigma Investments, LPHedge$277.5K0.00%SHPUT2026-03-31SEC filing
Loomis, Sayles & Company, L.P.Other$6.6K0.00%SH2026-03-31SEC filing

Politician

Politician PTR activity

6
Public datePoliticianActionOwnerAmount rangeFiling
2025-10-10Valerie Hoyle HouseholdD · OR-04SaleSelf$1K–$15K20032211
2025-10-10Gilbert Cisneros HouseholdD · CA-31Sale (Partial)Self$1K–$15K20032248
2025-09-12Valerie Hoyle HouseholdD · OR-04PurchaseSelf$1K–$15K20032070
2025-06-09Rob Bresnahan HouseholdR · PA-08SaleSelf$1K–$15K20030482
2025-05-14Julie Johnson HouseholdD · TX-32SaleSelf$1K–$15K20030296
2025-04-23George Whitesides HouseholdD · CA-27SaleUnknown$100K–$250K20027982

Combined activity

13F filings + PTR transactions, newest first