Millennium Management — MKSI Trade History
Quarter-by-quarter changes in the MKS INC. position · CUSIP 55306N104
Currently held · 3 YearsFirst seen: 2016 Q4
| Quarter | Filed | Activity | Shares | Δ Shares | Δ % | Value | % Port. |
|---|---|---|---|---|---|---|---|
| 2026 Q2 | 2026-08-14 | Reduce | 645,071 | -249,298 | -27.9% | $286.9M | 0.10% |
| 2026 Q1 | 2026-05-15 | Add | 894,369 | 77,118 | +9.4% | $205.5M | 0.09% |
| 2025 Q4 | 2026-02-17 | Add | 817,251 | 371,003 | +83.1% | $130.6M | 0.06% |
| 2025 Q3 | 2025-11-14 | Add | 446,248 | 441,432 | +9165.9% | $55.2M | 0.02% |
| 2025 Q2 | 2025-08-14 | Reduce | 4,816 | -540,293 | -99.1% | $478.5K | — |
| 2025 Q1 | 2025-05-15 | Add | 545,109 | 310,314 | +132.2% | $43.7M | 0.02% |
| 2024 Q4 | 2025-02-14 | Add | 234,795 | 21,533 | +10.1% | $24.5M | 0.01% |
| 2024 Q3 | 2024-11-14 | Reduce | 213,262 | -134,762 | -38.7% | $23.2M | 0.01% |
| 2024 Q2 | 2024-08-14 | Add | 348,024 | 239,099 | +219.5% | $45.4M | 0.02% |
| 2024 Q1 | 2024-05-15 | Add | 108,925 | 30,411 | +38.7% | $14.5M | 0.01% |
| 2023 Q4 | 2024-02-14 | Reduce | 78,514 | -52,498 | -40.1% | $8.1M | 0.00% |
| 2023 Q3 | 2023-11-14 | New | 131,012 | 131,012 | — | $11.3M | 0.01% |
| 2023 Q2 | 2023-08-14 | — | — | — | — | — | — |
| 2023 Q1 | 2023-05-15 | — | — | — | — | — | — |
| 2022 Q4 | 2023-02-14 | Sold out | — | -8,908 | -100.0% | — | — |
| 2022 Q3 | 2022-11-14 | Reduce | 8,908 | -26,699 | -75.0% | $736.0K | — |
| 2022 Q2 | 2022-08-15 | Add | 35,607 | 13,915 | +64.1% | $3.7M | 0.00% |
| 2022 Q1 | 2022-05-16 | Reduce | 21,692 | -1,948 | -8.2% | $3.3M | 0.00% |
| 2021 Q4 | 2022-02-14 | Reduce | 23,640 | -112,534 | -82.6% | $4.1M | 0.00% |
| 2021 Q3 | 2021-11-15 | Reduce | 136,174 | -157,608 | -53.6% | $20.6M | 0.01% |
| 2021 Q2 | 2021-08-16 | Reduce | 293,782 | -175,906 | -37.5% | $52.3M | 0.03% |
| 2021 Q1 | 2021-05-17 | Add | 469,688 | 454,335 | +2959.3% | $87.1M | 0.06% |
| 2020 Q4 | 2021-02-16 | Add | 15,353 | 8,090 | +111.4% | $2.3M | 0.00% |
| 2020 Q3 | 2020-11-16 | Reduce | 7,263 | -11,476 | -61.2% | $793.0K | 0.00% |
| 2020 Q2 | 2020-08-14 | Reduce | 18,739 | -22,902 | -55.0% | $2.1M | 0.00% |
| 2020 Q1 | 2020-05-14 | Reduce | 41,641 | -49,909 | -54.5% | $3.4M | 0.01% |
| 2019 Q4 | 2020-02-14 | Reduce | 91,550 | -4,810 | -5.0% | $10.1M | 0.01% |
| 2019 Q3 | 2019-11-14 | Add | 96,360 | 71,186 | +282.8% | $8.9M | 0.01% |
| 2019 Q2 | 2019-08-15 | Reduce | 25,174 | -96,600 | -79.3% | $2.0M | 0.00% |
| 2019 Q1 | 2019-05-14 | Reduce | 121,774 | -135,670 | -52.7% | $11.3M | 0.02% |
| 2018 Q4 | 2019-02-15 | Reduce | 257,444 | -28,622 | -10.0% | $16.6M | 0.03% |
| 2018 Q3 | 2018-11-14 | Reduce | 286,066 | -245,860 | -46.2% | $22.9M | 0.03% |
| 2018 Q2 | 2018-08-14 | Add | 531,926 | 510,627 | +2397.4% | $50.9M | 0.07% |
| 2018 Q1 | 2018-05-15 | Reduce | 21,299 | -376,645 | -94.6% | $2.5M | 0.00% |
| 2017 Q4 | 2018-02-14 | Reduce | 397,944 | -16,581 | -4.0% | $37.6M | 0.05% |
| 2017 Q3 | 2017-11-14 | Add | 414,525 | 7,473 | +1.8% | $39.2M | 0.06% |
| 2017 Q2 | 2017-08-14 | Add | 407,052 | 198,745 | +95.4% | $27.4M | 0.05% |
| 2017 Q1 | 2017-05-15 | Add | 208,307 | 181,257 | +670.1% | $14.3M | 0.03% |
| 2016 Q4 | 2017-02-14 | New | 27,050 | 27,050 | — | $1.6M | 0.00% |
| 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.