Two Sigma Investments — MRK Trade History
Quarter-by-quarter changes in the MERCK & CO INC position · CUSIP 58933Y105
Currently held · 3 YearsFirst seen: 2016 Q4split-adjusted
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 48,625 | -15,700 | -24.4% | $6.2M | 0.01% |
| 2026 Q1 | 2026-05-15 | Reduce | 64,325 | -10,500 | -14.0% | $7.7M | 0.01% |
| 2025 Q4 | 2026-02-17 | Reduce | 74,825 | -1,894,276 | -96.2% | $7.9M | 0.01% |
| 2025 Q3 | 2025-11-14 | Reduce | 1,969,101 | -469,247 | -19.2% | $165.3M | 0.25% |
| 2025 Q2 | 2025-08-14 | Add | 2,438,348 | 237,647 | +10.8% | $193.0M | 0.34% |
| 2025 Q1 | 2025-05-15 | Add | 2,200,701 | 271,872 | +14.1% | $197.5M | 0.42% |
| 2024 Q4 | 2025-02-14 | Reduce | 1,928,829 | -8,104 | -0.4% | $191.9M | 0.42% |
| 2024 Q3 | 2024-11-14 | Add | 1,936,933 | 453,831 | +30.6% | $220.0M | 0.48% |
| 2024 Q2 | 2024-08-14 | Add | 1,483,102 | 871,699 | +142.6% | $183.6M | 0.42% |
| 2024 Q1 | 2024-05-15 | Reduce | 611,403 | -1,616,116 | -72.6% | $80.7M | 0.19% |
| 2023 Q4 | 2024-02-14 | Add | 2,227,519 | 1,329,341 | +148.0% | $242.8M | 0.56% |
| 2023 Q3 | 2023-11-14 | New | 898,178 | 898,178 | — | $92.5M | 0.25% |
| 2023 Q2 | 2023-08-14 | — | — | — | — | — | — |
| 2023 Q1 | 2023-05-15 | — | — | — | — | — | — |
| 2022 Q4 | 2023-02-14 | Sold out | — | -271,116 | -100.0% | — | — |
| 2022 Q3 | 2022-11-14 | Add | 271,116 | 227,665 | +524.0% | $23.3M | 0.08% |
| 2022 Q2 | 2022-08-15 | Reduce | 43,451 | -2,927,708 | -98.5% | $4.0M | 0.01% |
| 2022 Q1 | 2022-05-16 | Add | 2,971,159 | 63,512 | +2.2% | $243.8M | 0.72% |
| 2021 Q4 | 2022-02-14 | Reduce | 2,907,647 | -94,140 | -3.1% | $222.8M | 0.48% |
| 2021 Q3 | 2021-11-15 | Reduce | 3,001,787 | -190,330 | -6.0% | $225.5M | 0.50% |
| 2021 Q2 | 2021-08-16 | Add | 3,192,117 | 643,749 | +25.3% | $248.3M | 0.56% |
| 2021 Q1 | 2021-05-17 | Reduce | 2,548,368 | -638,515 | -20.0% | $187.5M | 0.49% |
| 2020 Q4 | 2021-02-16 | Reduce | 3,186,883 | -187,640 | -5.6% | $248.7M | 0.71% |
| 2020 Q3 | 2020-11-16 | Add | 3,374,523 | 1,252,769 | +59.0% | $267.1M | 0.95% |
| 2020 Q2 | 2020-08-14 | Add | 2,121,754 | 232,394 | +12.3% | $156.6M | 0.78% |
| 2020 Q1 | 2020-05-15 | Reduce | 1,889,360 | -1,201,077 | -38.9% | $138.7M | 1.13% |
| 2019 Q4 | 2020-02-14 | Add | 3,090,437 | 1,572,244 | +103.6% | $268.2M | 0.81% |
| 2019 Q3 | 2019-11-14 | Add | 1,518,193 | 1,448,091 | +2065.7% | $121.9M | 0.41% |
| 2019 Q2 | 2019-08-14 | New | 70,102 | 70,102 | — | $5.6M | 0.02% |
| 2019 Q1 | 2019-05-15 | Sold out | — | -35,028 | -100.0% | — | — |
| 2018 Q4 | 2019-02-14 | New | 35,028 | 35,028 | — | $2.6M | 0.01% |
| 2018 Q3 | 2018-11-14 | Sold out | — | -1,626,876 | -100.0% | — | — |
| 2018 Q2 | 2018-08-14 | Reduce | 1,626,876 | -1,270,056 | -43.8% | $94.2M | 0.28% |
| 2018 Q1 | 2018-05-15 | Add | 2,896,932 | 1,343,266 | +86.5% | $150.6M | 0.50% |
| 2017 Q4 | 2018-02-14 | Reduce | 1,553,666 | -772,323 | -33.2% | $83.4M | 0.27% |
| 2017 Q3 | 2017-11-14 | Add | 2,325,989 | 2,203,157 | +1793.6% | $142.1M | 0.50% |
| 2017 Q2 | 2017-08-14 | Reduce | 122,832 | -1,776,767 | -93.5% | $7.5M | 0.03% |
| 2017 Q1 | 2017-05-15 | Add | 1,899,599 | 1,783,984 | +1543.0% | $115.2M | 0.39% |
| 2016 Q4 | 2017-02-14 | New | 115,615 | 115,615 | — | $6.5M | 0.03% |
| 2016 Q3 | 2016-11-14 | — | — | — | — | — | — |
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.