Marsh & McLennan Companies, Inc.
MRSH- Exchange
- NYSE
- Industry
- Insurance Agents, Brokers & Service
- SEC CIK
- 0000062709
In the last 90 days, Marsh & McLennan Companies, Inc. insiders filed 0 open-market purchases and 6 sales; 1,506 institutions reported holding it in 13F filings for Q2 2026, worth $73.2B in total; superinvestors Harris Associates (Oakmark) and Markel Group hold it.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $8.21M in total
- 6
- 13F holdersQ2 2026, −24 vs. previous quarter
- 1,506
- 13F valueReported value at the end of Q2 2026
- $73.2B
- Superinvestors holdingAt the end of Q2 2026
- 2
Price chart
Superinvestors holding MRSH, Q2 2026
2 superinvestors report holding Marsh & McLennan Companies, Inc. on Form 13F. Percentages are the stock's share of each portfolio.
Harris Associates (Oakmark)
Bill Nygren
1.9%
Marsh & McLennan Companies, Inc.'s share of the portfolio
- Shares
- 8,687,496
- Value
- $1.45B
Markel Group
Tom Gayner
1.0%
Marsh & McLennan Companies, Inc.'s share of the portfolio
- Shares
- 763,500
- Value
- $127.3M
Latest insider trades
Open-market purchases and sales by Marsh & McLennan Companies, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Sep 3, 2026 (view filing)4:02 PM ET | Sep 2 | 1 day | Brennan KatherineSVP and General Counsel | SSale | −1.20K | $187.90 | −$224.9K | −14.0%7.33K after | |
| Sep 3, 2026 (view filing)4:01 PM ET | Sep 2 | 1 day | Doyle John QPresident and CEO | SSale | −16.7K | $188.51 | −$3.14M | −12.5%116.8K after | 10b5-1 |
| Aug 7, 2026 (view filing)4:03 PM ET | Aug 6 | 1 day | Jones John JudeChief Marketing Officer | SSale | −6.50K | $191.96 | −$1.25M | −81.5%1.48K after | |
| Jul 31, 2026 (view filing)4:03 PM ET | Jul 29 | 2 days | Beswick PaulSVP, Chief Information Officer | SSale | −713 | $198.00 | −$141.2K | −4.2%16.4K after | 10b5-1 |
| Jul 29, 2026 (view filing)4:18 PM ET | Jul 28 | 1 day | South MartinChief Client Officer | SSale | −7.10K | $189.99 | −$1.35M | −29.9%16.6K after | |
| Jul 24, 2026 (view filing)4:05 PM ET | Jul 23 | 1 day | Yates Lloyd MDirector | SSale | −12.0K | $175.65 | −$2.11M | −50.0%12.0K after | |
| Jun 3, 2026 (view filing) | Jun 2 | 1 day | Doyle John QPresident and CEO | SSale | −16.7K | $161.71 | −$2.69M | −12.5%116.8K after | 10b5-1 |
| Mar 12, 2026 (view filing) | Mar 11 | 1 day | Jones John JudeChief Marketing Officer | SSale | −2.36K | $173.61 | −$410.1K | −22.8%7.98K after | |
| Mar 5, 2026 (view filing) | Mar 4 | 1 day | Doyle John QPresident and CEO | SSale | −16.7K | $183.30 | −$3.05M | −12.5%116.8K after | 10b5-1 |
| Mar 4, 2026 (view filing) | Mar 3 | 1 day | Studer Nicholas MarkPresident and CEO of OWG | SSale | −3.84K | $184.03 | −$706.1K | −10.5%32.5K after |
Top 10 13F holders, Q2 2026
The largest institutional positions in Marsh & McLennan Companies, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 39,502,046 | $6.58B | 0.10% | −2,559,630−6.1% | Reduced |
| Vanguard Capital Management LLC | 31,472,575 | $5.25B | 0.11% | +4,9010.0% | Added |
| State Street Corp | 22,401,676 | $3.73B | 0.11% | +330,731+1.5% | Added |
| Capital World Investors | 18,122,340 | $3.02B | 0.36% | +153,158+0.9% | Added |
| Wellington Management Group LLP | 16,975,238 | $2.83B | 0.49% | −395,471−2.3% | Reduced |
| Capital International Investors | 15,729,457 | $2.62B | 0.54% | +15,604+0.1% | Added |
| Geode Capital Management, LLC | 13,510,274 | $2.25B | 0.12% | +106,102+0.8% | Added |
| Price T Rowe Associates Inc | 13,438,662 | $2.24B | 0.22% | +2,462,376+22.4% | Added |
| Vanguard Portfolio Management LLC | 12,570,512 | $2.10B | 0.09% | +142,566+1.1% | Added |
| Capital Research Global Investors | 10,973,649 | $1.83B | 0.26% | −327,539−2.9% | Reduced |