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Of the 18 tracked institutions holding MRSH, 11 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +1.7pt. It's a gauge of who owns the name, not just how many.
Among the 18 tracked institutional investors we monitor, MRSH (MARSH & MCLENNAN COS INC) is held with a combined value of $29.35B across 170,700,900 shares. The largest holder is VANGUARD GROUP INC with a position worth $8.64B (0.13% of their portfolio). Bridgewater Associates, LP opened a new position in the most recent quarter. 7 funds increased their holdings. 9 funds reduced their position.
Total Institutional Value
$29.35B
Total Shares Held
170,700,900
Institutional Holders
18
% of Shares Outstanding
35.8%
of 477.21M shares · SEC 2026-07-16
Days to Cover
4.3-1.5%
7.38M shares short · FINRA 2026-08-14
Tracked 13F institutions hold 35.8% of MRSH's shares outstanding. This is a floor: 13F filings arrive on a ~45-day lag and we track only a subset of institutional filers, so true institutional ownership is higher. Shares-outstanding is the latest SEC cover-page figure (as of 2026-07-16), not a live float.
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
0
$0
6
$8.21M
Total Transactions
6
Last 12 months
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Sep 2, 2026 | Katherine Brennan | S | Sale | 1,197 | $224.91K |
| Sep 2, 2026 | John Q Doyle | S | Sale | 16,656 | $3.14M |
| Aug 6, 2026 | John Jude Jones | S | Sale | 6,500 | $1.25M |
| Jul 29, 2026 | Paul Beswick | S | Sale | 713 | $141.17K |
| Jul 28, 2026 | Martin South | S | Sale | 7,100 | $1.35M |
| Jul 23, 2026 | Lloyd M Yates | S | Sale | 12,000 | $2.11M |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $8.64B | 0.13% | +0.8% |
| 2 | BlackRock, Inc. | $6.58B | 0.10% | -6.1% |
| 3 | STATE STREET CORP | $3.73B | 0.11% | +1.5% |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $2.83B | 0.49% | -2.3% |
| 5 | PRICE T ROWE ASSOCIATES INC /MD/ | $2.24B | 0.22% | +22.4% |
| 6 | Capital Research Global Investors | $1.83B | 0.26% | -2.9% |
| 7 | HARRIS ASSOCIATES L P | $1.45B | 1.93% | +68.1% |
| 8 | FMR LLC | $1.16B | 0.05% | -31.7% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $432.11M | 0.15% | -29.0% |
| 10 | TWO SIGMA ADVISERS, LP | $243.44M | 0.47% | +0.2% |
| Member | Type | Date |
|---|---|---|
| Kevin Hern | Sell | Aug 24, 2026 |
| Alan Armstrong | Sell | Mar 27, 2026 |
As of the latest SEC 13F filings, VANGUARD GROUP INC is the largest institutional holder of MRSH with a position worth $8.64B, representing 0.13% of their portfolio. In total, 18 institutional investors hold MRSH with a combined value of $29.35B.
In the most recent quarter, 1 fund opened a new position in MRSH. Additionally, 7 increased their holdings and 9 reduced their positions.
Institutional investors hold $29.35B worth of MRSH stock across 18 positions. The largest institutional holder is VANGUARD GROUP INC with $8.64B in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For MRSH, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MRSH positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$180.52
2026-09-08
YTD
-1.1%
47% of 52-week range
