Marsh & McLennan Companies (MRSH)
What changed in recent filings
- Risk And Insurance Services segment 60% → 65%Sep 30, 2024 → Jun 30, 2026
- Institutions — 7 new · 1 added · 1 reduced13F · as of end of 2026 Q2
What changed in recent SEC filings — factual, not a buy/sell recommendation.
Institutions holding Marsh & McLennan Companies
How many of the institutions we track reported holding this stock, quarter by quarter.
2019 Q1: 3 → 2026 Q2: 9 institutions
Counts the 52 institutions we track that reported holding this stock — their full reported holdings, not just the largest positions. Not the total number of institutional holders in the US. Figures are as of quarter-end and disclosed up to 45 days later. Descriptive only — not investment advice.
Which institutions hold Marsh & McLennan Companies
Institutions we track that reported holding this stock in their most recent 13F.
- Baillie Gifford & Counder 0.01% of portfolio · since 2024 Q3
- Temasek Holdings (Singapore)0.15% of portfolio · since 2025 Q2
- Tudor Investment CorpNew this quarter0.02% of portfolio · since 2026 Q2
- Bridgewater AssociatesNew this quarter0.01% of portfolio · since 2026 Q2
- Caisse de depot (Quebec)0.23% of portfolio · held as of 2026 Q2 or earlier
- PRIMECAP Management0.21% of portfolio · held as of 2026 Q2 or earlier
- National Pension Service (Korea)0.12% of portfolio · held as of 2026 Q2 or earlier
- Harris Associates (Oakmark)1.92% of portfolio · held as of 2026 Q2 or earlier
- Capital World Investors0.36% of portfolio · held as of 2026 Q2 or earlier
Based on 13F filings — quarter-end holdings, disclosed up to 45 days later. Holding a stock is a fact we report, not a recommendation to buy or sell.
Company overview
Marsh & McLennan Companies, Inc. is a global professional services company focused on risk, strategy, and people. Marsh & McLennan Companies provides insurance broking, risk advisory, reinsurance and capital solutions, human capital consulting, health and wealth advice, and management and economic consulting through its core businesses: Marsh, Guy Carpenter, Mercer, and Oliver Wyman. The company serves businesses, public institutions, insurers, and other organizations that rely on specialized guidance in risk transfer, workforce planning, benefits, and organizational performance. Its services are widely used across industries to support insurance placement, reinsurance brokerage, employee benefits, retirement consulting, and strategic decision-making. Headquartered in New York, Marsh & McLennan Companies plays a significant role in the global market for professional services and insurance intermediation.
What is the Insurance sector?
Life, property, and reinsurance. Benefits from rising rates and premium increases.
Marsh & McLennan Companies is classified under the Insurance sector. See peers below.
MRSH segment revenue mix trend
Quarterly change in segment revenue share · verified from SEC filings
2 quarters with a different segment breakdown were omitted (filing basis changed).
MRSH on Stocklore
- Revenue by segment — segment weights verified from SEC filings, YoY changes, growth drivers and concentration
- Financials & earnings quality — 6 metrics (FCF conversion, ROIC, net debt, etc.) to gauge profit quality
- 13F institutional holdings — holdings and weight changes of major institutions (45-day delay)
- Sector-relative metrics — Valuation and growth compared with the Insurance average
MRSH FAQ
What is Marsh & McLennan Companies (MRSH)?
Marsh & McLennan Companies, Inc. is a global professional services company focused on risk, strategy, and people. Marsh & McLennan Companies provides insurance broking, risk advisory, reinsurance and capital solutions, human capital consulting, health and wealth advice, and management and economic consulting through its core businesses: Marsh, Guy Carpenter, Mercer, and Oliver Wyman. The company serves businesses, public institutions, insurers, and other organizations that rely on specialized guidance in risk transfer, workforce planning, benefits, and organizational performance. Its services are widely used across industries to support insurance placement, reinsurance brokerage, employee benefits, retirement consulting, and strategic decision-making. Headquartered in New York, Marsh & McLennan Companies plays a significant role in the global market for professional services and insurance intermediation.
What sector is Marsh & McLennan Companies in?
Marsh & McLennan Companies is classified under Insurance. Life, property, and reinsurance. Benefits from rising rates and premium increases.
Where can I analyze Marsh & McLennan Companies (MRSH) stock?
On Stocklore you can see MRSH's financials & earnings quality, 13F institutional holdings, and sector-relative metrics in one place. This page is for information and tools — not a buy/sell recommendation.
Data sources: SEC EDGAR (financials & filings), 13F (institutional holdings, as of quarter-end), market data. This page is for information and analysis tools — it does not recommend buying or selling any security. Investment decisions and responsibility are your own.