ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in MRSH — Marsh & Mclennan Companies, Inc.
CIK 1165408
Boston, MA
Position in MRSH
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$2,360,047
-$58,982,453 QoQ
Shares Held
14,160
-96.0% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#524
of 1,495 holders
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in MRSH Over Time
Shares Held
Position Value (USD)
Position in Insurance Brokers
Financial Services · as of Jun 30, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $339,468,475 across 5 Insurance Brokers names. MRSH ranks #5 (0.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AJG |
Arthur J. Gallagher & Co.
|
799,003 | $183,427,118 | |
| 2 | AON |
Aon plc
|
380,369 | $126,164,593 | |
| 3 | WTW |
Willis Towers Watson PLC
|
84,188 | $22,004,217 | |
| 4 | NP |
Neptune Insurance Holdings Inc.
|
175,000 | $5,512,500 | |
| 5 | MRSH |
Marsh & Mclennan Companies, Inc.
This page
|
14,160 | $2,360,047 |
All Filings in MRSH
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,360,047 | 14,160 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $61,342,500 | 353,661 | Shares | Sole | 2026-05-15 | |
| 2025-09-30 | $33,264,743 | 165,061 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $22,795,625 | 104,261 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $87,328,819 | 357,861 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $78,413,488 | 369,161 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $202,690,873 | 908,561 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $66,937,525 | 317,661 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $78,799,914 | 382,561 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $123,905,990 | 653,961 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $150,557,938 | 791,161 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $92,697,296 | 492,861 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $82,552,339 | 495,661 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $104,990,606 | 634,461 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $134,877,692 | 903,461 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $63,304,895 | 407,761 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $145,242,319 | 852,261 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $86,572,963 | 498,061 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $75,209,375 | 496,661 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $74,484,573 | 529,461 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $50,274,289 | 412,761 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $33,738,237 | 288,361 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $58,150,491 | 506,979 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $53,188,843 | 495,379 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $41,991,806 | 485,679 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||