WELLINGTON MANAGEMENT GROUP LLP
Position in MRSH — Marsh & Mclennan Companies, Inc.
CIK 902219
Boston, MA
Position in MRSH
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,012,949,472
+$45,022,780 QoQ
Shares Held
17,370,709
+8.6% QoQ
Ownership
3.61%
of shares outstanding
% of Portfolio
0.57%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 95.22150765406295.ToString("F0")%
None 4.778492345937059.ToString("F0")%
Common Shares in MRSH Over Time
Shares Held
Position Value (USD)
Position in Insurance Brokers
Financial Services · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $3,610,708,630 across 6 Insurance Brokers names. MRSH ranks #1 (83.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MRSH |
Marsh & Mclennan Companies, Inc.
This page
|
17,370,709 | $3,012,949,472 | |
| 2 | AJG |
Arthur J. Gallagher & Co.
|
2,583,359 | $559,503,889 | |
| 3 | AON |
Aon plc
|
91,374 | $29,493,698 | |
| 4 | BRO |
Brown & Brown, Inc.
|
93,263 | $6,081,679 | |
| 5 | WTW |
Willis Towers Watson PLC
|
6,729 | $1,956,120 | |
| 6 | ERIE |
Erie Indemnity Co
|
2,880 | $723,772 |
All Filings in MRSH
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,012,949,472 | 17,370,709 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $2,967,926,692 | 15,997,880 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,041,385,557 | 15,091,478 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $3,024,019,455 | 13,831,044 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,127,192,712 | 12,814,788 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $1,764,965,665 | 8,309,240 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,908,860,436 | 8,556,459 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,916,342,886 | 9,094,262 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,446,480,276 | 11,877,271 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $2,351,727,973 | 12,412,139 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $2,786,422,074 | 14,642,260 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $2,751,960,037 | 14,631,859 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $2,423,976,191 | 14,554,045 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $2,430,992,707 | 14,690,553 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $2,264,190,209 | 15,166,389 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $2,446,295,516 | 15,757,137 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,797,905,282 | 16,417,705 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,873,353,927 | 16,530,629 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $2,777,495,741 | 18,341,780 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,686,165,581 | 19,094,154 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,399,568,034 | 19,700,887 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $2,206,641,996 | 18,860,188 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $1,985,324,174 | 17,308,842 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $1,776,157,913 | 16,542,404 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,825,914,757 | 21,118,607 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||