CUSIP 571748952
MARSH & MCLENNAN COS INC
11 institutions · $56.0M total · 279,900 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 160,800 | $33.9M | 57.44% | 2024-06-30 |
| 2 | Allianz Asset Management GmbH | 31,100 | $5.9M | 11.11% | 2023-12-31 |
| 3 | IMC-Chicago, LLC | 27,500 | $5.1M | 9.82% | 2025-12-31 |
| 4 | Twin Tree Management, LP | 27,100 | $4.5M | 9.68% | 2023-06-30 |
| 5 | JPMORGAN CHASE & CO | 20,000 | $4.4M | 7.14% | 2025-06-30 |
| 6 | SIMPLEX TRADING, LLC | 6,900 | $1.3M | 2.46% | 2025-12-31 |
| 7 | GARDA CAPITAL PARTNERS LP | 2,900 | $634.1K | 1.03% | 2025-06-30 |
| 8 | Maven Securities LTD | 1,200 | $254.9K | 0.42% | 2024-12-31 |
| 9 | GROUP ONE TRADING, L.P. | 400 | $74.2K | 0.14% | 2025-12-31 |
| 10 | SIGNATUREFD, LLC | 2,000 | $1.3K | 0.71% | 2023-09-30 |
| 11 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-06-30 |