Stocklore

Marsh & McLennan Companies (MRSH)

Insurance · US stock

What changed in recent filings

  • Revenue +6% YoYQuarter ended Jun 30, 2026
  • Risk And Insurance Services segment 60% → 65%Sep 30, 2024 → Jun 30, 2026
  • Institutions — 3 new · 4 added · 1 reduced13F · as of end of 2026 Q2

What changed in recent SEC filings — factual, not a buy/sell recommendation.

Marsh & McLennan Companies recent earnings releases

Based on SEC filings. The release date is the day the earnings filing (8-K) was accepted; for quarters where that filing was not found, the periodic report filing date is shown.

  • 26Q3Released Oct 15, 2026
    Revenue +8.1% YoY · EPS $1.69
    Released before the open: Oct 14 close → Oct 15 close, the stock moved +4.6% · over the same window, market +0.3% · sector +1.2%
  • 26Q2Released Jul 21, 2026
    Revenue +6.2% YoY · EPS $2.63
    Released before the open: Jul 20 close → Jul 21 close, the stock moved -0.3% · over the same window, market +0.8% · sector +0.0%
  • 26Q1Released Apr 16, 2026
    Revenue +7.6% YoY · EPS $2.36
    Released before the open: Apr 15 close → Apr 16 close, the stock moved +4.4% · over the same window, market +0.2% · sector +0.4%
  • 25Q4Released Jan 29, 2026
    Revenue +8.7% YoY · EPS $1.68
    Released before the open: Jan 28 close → Jan 29 close, the stock moved +5.5% · over the same window, market -0.2% · sector +1.3%

The next earnings release is estimated around Jan 28, 2027 (calculated from how long this company has taken between quarter end and filing; it is not a date announced by the company).

Institutions holding Marsh & McLennan Companies

How many of the institutions we track reported holding this stock, quarter by quarter.

max 10
2019 Q1 · 62019 Q2 · 62019 Q3 · 52019 Q4 · 52020 Q1 · 62020 Q2 · 52020 Q3 · 72020 Q4 · 82021 Q1 · 72021 Q2 · 92021 Q3 · 102021 Q4 · 102022 Q1 · 102022 Q2 · 92022 Q3 · 102022 Q4 · 82023 Q1 · 82023 Q2 · 62023 Q3 · 72023 Q4 · 72024 Q1 · 52024 Q2 · 62024 Q3 · 82024 Q4 · 62025 Q1 · 52025 Q2 · 82025 Q3 · 82025 Q4 · 92026 Q1 · 62026 Q2 · 9
19 Q122 Q326 Q2

2019 Q1: 6 → 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.

  • PRIMECAP Management0.21% of portfolio · held as of 2019 Q1 or earlier
  • Caisse de depot (Quebec)0.23% of portfolio · held as of 2019 Q1 or earlier
  • Capital World Investors0.36% of portfolio · held as of 2020 Q3 or earlier
  • Baillie Gifford & Counder 0.01% of portfolio · since 2024 Q3
  • Temasek Holdings (Singapore)0.15% of portfolio · since 2025 Q2
  • Harris Associates (Oakmark)1.92% of portfolio · since 2026 Q1
  • National Pension Service (Korea)New this quarter0.12% of portfolio · since 2026 Q2
  • Tudor Investment CorpNew this quarter0.02% of portfolio · since 2026 Q2
  • Bridgewater AssociatesNew this quarter0.01% of portfolio · since 2026 Q2

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.

Q2 2026 13F recap — stocks several institutions bought and sold together →

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.

Marsh & McLennan Companies key financials

Based on SEC filings · as of Sep 30, 2026

27.2%
1.27x
as of Sep 30, 2026

Tap a metric name to see its meaning in the glossary.

Marsh & McLennan Companies vs Insurance sector benchmark

Median of 12 representative sector stocks · SEC filings · factual comparison (not advice)

Revenue growth (YoY)
7.6%vs benchmark 7.3%↑ above
Operating margin
17.7%vs benchmark 17.7%↑ above
Net margin
14.2%vs benchmark 14.6%↓ below
ROE
27.2%vs benchmark 13.2%↑ above

A simple comparison to the sector benchmark. Higher or lower doesn’t mean good/bad or buy/sell.

MRSH revenue by segment summary

SEC 10-Q · segment totals cross-checked against total revenue

2026-06-30 revenue was $7.4B, +6.2% YoY.

The largest segment is Risk And Insurance Services, 65.0% of revenue — a highly concentrated structure.

Recent revenue growth was led mainly by the Consulting segment (about 54% of the increase).

Full segment weights, YoY changes, and an AI synthesis are available in the detailed analysis.

MRSH segment revenue mix trend

Quarterly change in segment revenue share · verified from SEC filings

Sep '24Jun '25Jun '26
Risk And Insurance Services 65%Consulting 35%

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
See full MRSH analysis →

Peers · Insurance

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.

What are Marsh & McLennan Companies's key financials?

As of Sep 30, 2026 in SEC filings: Revenue growth (YoY) 7.6%, Operating margin 17.7%, Net margin 14.2%, ROE 27.2%, Debt-to-equity 1.27x. Definitions and interpretation are available on Stocklore.

What are Marsh & McLennan Companies's main revenue segments?

The largest segment is Risk And Insurance Services, about 65.0% of revenue. Segment totals are cross-checked against total revenue from SEC filings.

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.

Not an investment adviser and not personalized investment advice; not a discretionary management service. No trade recommendations, no target prices, no execution or brokerage. We do not recommend or guarantee any purchase, sale, or returns. Investment decisions and their outcomes are your own.

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