Millennium Management — MRK Trade History
Quarter-by-quarter changes in the MERCK & CO INC position · CUSIP 58933Y105
Currently held · 7.3 YearsFirst seen: 2016 Q3split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 561,302 | -1,409,389 | -71.5% | $72.1M | 0.03% |
| 2026 Q1 | 2026-05-15 | Reduce | 1,970,691 | -4,829,660 | -71.0% | $237.1M | 0.10% |
| 2025 Q4 | 2026-02-17 | Add | 6,800,351 | 6,036,983 | +790.8% | $715.8M | 0.30% |
| 2025 Q3 | 2025-11-14 | Reduce | 763,368 | -226,426 | -22.9% | $64.1M | 0.03% |
| 2025 Q2 | 2025-08-14 | Reduce | 989,794 | -2,534,808 | -71.9% | $78.4M | 0.04% |
| 2025 Q1 | 2025-05-15 | Reduce | 3,524,602 | -56,361 | -1.6% | $316.4M | 0.17% |
| 2024 Q4 | 2025-02-14 | Add | 3,580,963 | 1,783,987 | +99.3% | $356.2M | 0.17% |
| 2024 Q3 | 2024-11-14 | Reduce | 1,796,976 | -7,788,203 | -81.3% | $204.1M | 0.10% |
| 2024 Q2 | 2024-08-14 | Reduce | 9,585,179 | -484,273 | -4.8% | $1.19B | 0.55% |
| 2024 Q1 | 2024-05-15 | Add | 10,069,452 | 4,021,500 | +66.5% | $1.33B | 0.57% |
| 2023 Q4 | 2024-02-14 | Add | 6,047,952 | 2,627,482 | +76.8% | $659.3M | 0.28% |
| 2023 Q3 | 2023-11-14 | Add | 3,420,470 | 3,372,609 | +7046.7% | $352.1M | 0.18% |
| 2023 Q2 | 2023-08-14 | Add | 47,861 | 10,410 | +27.8% | $5.5M | 0.00% |
| 2023 Q1 | 2023-05-15 | Reduce | 37,451 | -1,400,471 | -97.4% | $4.0K | 0.00% |
| 2022 Q4 | 2023-02-14 | Add | 1,437,922 | 94,582 | +7.0% | $159.5K | 0.09% |
| 2022 Q3 | 2022-11-14 | Reduce | 1,343,340 | -1,634,914 | -54.9% | $115.7M | 0.07% |
| 2022 Q2 | 2022-08-15 | Add | 2,978,254 | 146,148 | +5.2% | $271.5M | 0.17% |
| 2022 Q1 | 2022-05-16 | Add | 2,832,106 | 1,783,607 | +170.1% | $232.4M | 0.12% |
| 2021 Q4 | 2022-02-14 | Add | 1,048,499 | 64,223 | +6.5% | $80.4M | 0.04% |
| 2021 Q3 | 2021-11-15 | Add | 984,276 | 514,993 | +109.7% | $73.9M | 0.04% |
| 2021 Q2 | 2021-08-16 | Reduce | 469,283 | -607,644 | -56.4% | $36.5M | 0.02% |
| 2021 Q1 | 2021-05-17 | Add | 1,076,927 | 304,347 | +39.4% | $79.2M | 0.06% |
| 2020 Q4 | 2021-02-16 | Add | 772,580 | 87,518 | +12.8% | $60.3M | 0.04% |
| 2020 Q3 | 2020-11-16 | Add | 685,062 | 394,390 | +135.7% | $54.2M | 0.07% |
| 2020 Q2 | 2020-08-14 | Reduce | 290,672 | -1,459,255 | -83.4% | $21.4M | 0.03% |
| 2020 Q1 | 2020-05-14 | Add | 1,749,927 | 257,687 | +17.3% | $128.5M | 0.29% |
| 2019 Q4 | 2020-02-14 | Add | 1,492,240 | 1,428,796 | +2252.1% | $129.5M | 0.16% |
| 2019 Q3 | 2019-11-14 | Add | 63,444 | 41,342 | +187.1% | $5.1M | 0.01% |
| 2019 Q2 | 2019-08-15 | New | 22,102 | 22,102 | — | $1.8M | 0.00% |
| 2019 Q1 | 2019-05-14 | Sold out | — | -5,141,579 | -100.0% | — | — |
| 2018 Q4 | 2019-02-15 | Add | 5,141,579 | 1,157,900 | +29.1% | $374.9M | 0.58% |
| 2018 Q3 | 2018-11-14 | Add | 3,983,679 | 1,213,536 | +43.8% | $269.7M | 0.33% |
| 2018 Q2 | 2018-08-14 | Add | 2,770,143 | 281,274 | +11.3% | $160.4M | 0.21% |
| 2018 Q1 | 2018-05-15 | Add | 2,488,869 | 1,626,916 | +188.7% | $129.4M | 0.17% |
| 2017 Q4 | 2018-02-14 | Reduce | 861,953 | -1,938,611 | -69.2% | $46.3M | 0.06% |
| 2017 Q3 | 2017-11-14 | Reduce | 2,800,564 | -221,302 | -7.3% | $171.1M | 0.26% |
| 2017 Q2 | 2017-08-14 | Reduce | 3,021,866 | -412,765 | -12.0% | $184.8M | 0.33% |
| 2017 Q1 | 2017-05-15 | Reduce | 3,434,631 | -1,514,212 | -30.6% | $208.2M | 0.38% |
| 2016 Q4 | 2017-02-14 | Reduce | 4,948,843 | -751,674 | -13.2% | $278.0M | 0.58% |
| 2016 Q3 | 2016-11-14 | New | 5,700,517 | 5,700,517 | — | $339.5M | 0.57% |
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.