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MARSH & MCLENNAN COS INC (MRSH)
Institutional ownership, SEC filings and insider activity
Sector: Financials · SEC CIK 0000062709 · EDGAR filings · Updated 2026-07-28
MARSH & MCLENNAN COS INC (MRSH) has reported institutional ownership of 91.9%, with 1,520 institutional managers holding positions valued at $76.1B per the latest 13F reporting period.
Filings this week (3)
- 2026-07-28 — Notice of proposed sale filed (Form 144)
- 2026-07-24 — Insider transaction reported (Form 4)
- 2026-07-23 — Notice of proposed sale filed (Form 144)
Every filing links to the official SEC document. Real-time filing alerts for this company are available inside the app.
Latest updates
- 2026-07-21 — Quarterly report (10-Q) filed
- 2026-07-21 — Current report (8-K) filed
- 2026-06-22 — 11-K filed
- 2026-06-22 — 11-K filed
- 2026-06-04 — Current report (8-K) filed
- 2026-06-03 — Insider transaction reported (Form 4)
- 2026-06-03 — Insider transaction reported (Form 4)
- 2026-06-03 — Insider transaction reported (Form 4)
Institutional ownership overview
According to SEC 13F filings tracked by Sightfile, MARSH & MCLENNAN COS INC has 1,520 institutional holders and institutional ownership of 91.9%.
| # | Institution | Reported value | % of tracked total |
|---|---|---|---|
| 1 | BlackRock, Inc. | $7.30B | 9.6% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | $5.46B | 7.2% |
| 3 | STATE STREET CORP | $3.83B | 5.0% |
| 4 | Capital World Investors | $3.12B | 4.1% |
| 5 | WELLINGTON MANAGEMENT GROUP LLP | $3.01B | 4.0% |
| 6 | Capital International Investors | $2.73B | 3.6% |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $2.32B | 3.1% |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $2.16B | 2.8% |
| 9 | Capital Research Global Investors | $1.96B | 2.6% |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.90B | 2.5% |
Full holder history and quarter-over-quarter changes are available inside the app.
Insider activity
Insiders reported 49 transactions (2 buys, 8 sells) across 17 reporting insiders, with a net reported value of −$19.9M.
Quarterly net insider value, as reported in Form 4 filings.
Debt maturity schedule
Principal coming due by year for MARSH & MCLENNAN COS INC, from the company's own SEC prospectus filings (424B) tracked by Sightfile.
| Year | Bond series maturing | Known principal due |
|---|---|---|
| 2027 | 2 | — |
| 2029 | 3 | — |
| 2030 | 3 | — |
| 2031 | 3 | — |
| 2032 | 1 | — |
| 2033 | 3 | — |
| 2034 | 1 | — |
| 2035 | 2 | — |
| 2036 | 2 | — |
| 2039 | 2 | — |
| 2044 | 1 | — |
| 2047 | 1 | — |
Coupons, seniority and prospectus links for each series are available inside the app.
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See full history, cross-references and alerts on SightfileData sources: SEC EDGAR (filings, 13F, FTD), aggregated by Sightfile. Page updated 2026-07-28.