Citadel Advisors (Ken Griffin) — MRSH Trade History
Quarter-by-quarter changes in the MARSH & MCLENNAN COS INC position · CUSIP 571748102
Currently held · 4.5 YearsFirst seen: 2015 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-09-02 | Add | 230,808 | 94,321 | +69.1% | $38.5M | 0.00% |
| 2026 Q1 | 2026-05-15 | Reduce | 136,487 | -685,884 | -83.4% | $23.7M | 0.00% |
| 2025 Q4 | 2026-02-17 | Add | 822,371 | 430,842 | +110.0% | $152.6M | 0.02% |
| 2025 Q3 | 2025-11-14 | Add | 391,529 | 250,706 | +178.0% | $78.9M | 0.01% |
| 2025 Q2 | 2025-08-14 | Reduce | 140,823 | -63,352 | -31.0% | $30.8M | 0.01% |
| 2025 Q1 | 2025-05-15 | Reduce | 204,175 | -177,319 | -46.5% | $49.8M | 0.01% |
| 2024 Q4 | 2025-02-14 | Add | 381,494 | 51,433 | +15.6% | $81.0M | 0.01% |
| 2024 Q3 | 2024-11-14 | Add | 330,061 | 173,474 | +110.8% | $73.6M | 0.01% |
| 2024 Q2 | 2024-08-14 | Add | 156,587 | 102,610 | +190.1% | $33.0M | 0.01% |
| 2024 Q1 | 2024-05-15 | Add | 53,977 | 53,853 | +43429.8% | $11.1M | 0.00% |
| 2023 Q4 | 2024-02-14 | Reduce | 124 | -116,805 | -99.9% | $23.5K | — |
| 2023 Q3 | 2023-11-14 | Reduce | 116,929 | -148,996 | -56.0% | $22.3M | 0.01% |
| 2023 Q2 | 2023-08-14 | Add | 265,925 | 136,614 | +105.6% | $50.0M | 0.01% |
| 2023 Q1 | 2023-05-15 | Reduce | 129,311 | -131,315 | -50.4% | $21.5M | 0.01% |
| 2022 Q4 | 2023-02-14 | Add | 260,626 | 14,549 | +5.9% | $43.1M | 0.01% |
| 2022 Q3 | 2022-11-14 | Add | 246,077 | 110,483 | +81.5% | $36.7M | 0.01% |
| 2022 Q2 | 2022-08-15 | Reduce | 135,594 | -73,219 | -35.1% | $21.1M | 0.01% |
| 2022 Q1 | 2022-05-16 | New | 208,813 | 208,813 | — | $35.6M | 0.01% |
| 2021 Q3 | 2022-03-11 | Sold out | — | -150,081 | -100.0% | — | — |
| 2021 Q4 | 2022-02-14 | Reduce | 150,081 | -358,150 | -70.5% | $26.1M | 0.01% |
| 2021 Q2 | 2021-08-16 | Add | 508,231 | 471,443 | +1281.5% | $71.5M | 0.02% |
| 2021 Q1 | 2021-05-21 | Reduce | 36,788 | -280,542 | -88.4% | $4.5M | 0.00% |
| 2020 Q4 | 2021-02-16 | Add | 317,330 | 241,079 | +316.2% | $37.1M | 0.01% |
| 2020 Q3 | 2020-11-16 | Add | 76,251 | 46,035 | +152.4% | $8.7M | 0.00% |
| 2020 Q2 | 2020-08-14 | Reduce | 30,216 | -368,552 | -92.4% | $3.2M | 0.00% |
| 2020 Q1 | 2020-05-15 | Add | 398,768 | 278,077 | +230.4% | $34.5M | 0.01% |
| 2019 Q4 | 2020-02-14 | New | 120,691 | 120,691 | — | $13.4M | 0.01% |
| 2019 Q2 | 2020-02-14 | — | — | — | — | — | — |
| 2018 Q4 | 2019-11-14 | Sold out | — | -77,648 | -100.0% | — | — |
| 2019 Q3 | 2019-11-14 | New | 77,648 | 77,648 | — | $7.8M | 0.00% |
| 2018 Q2 | 2019-08-14 | — | — | — | — | — | — |
| 2018 Q3 | 2019-05-15 | Sold out | — | -2,141,342 | -100.0% | — | — |
| 2019 Q1 | 2019-05-15 | New | 2,141,342 | 2,141,342 | — | $201.1M | 0.10% |
| 2018 Q1 | 2019-02-14 | Sold out | — | -154,280 | -100.0% | — | — |
| 2017 Q4 | 2018-02-09 | Reduce | 154,280 | -565,303 | -78.6% | $12.6M | 0.01% |
| 2017 Q3 | 2017-11-09 | Add | 719,583 | 101,862 | +16.5% | $60.3M | 0.05% |
| 2017 Q2 | 2017-08-11 | Add | 617,721 | 158,987 | +34.7% | $48.2M | 0.04% |
| 2017 Q1 | 2017-05-12 | Add | 458,734 | 63,768 | +16.1% | $33.9M | 0.03% |
| 2016 Q4 | 2017-02-10 | Add | 394,966 | 390,699 | +9156.3% | $26.7M | 0.03% |
| 2015 Q4 | 2017-01-31 | New | 4,267 | 4,267 | — | $237.0K | — |
Share counts are split-adjusted. Time held counts consecutive quarters ending with the latest filing; more than ten years shows as ">10 Years".
13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.