Joel Greenblatt - Gotham Asset Management
Holding/activity history for Masimo Corp. (MASI)
← All MASI superinvestors
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 341,468 | 0.19 | Reduce 0.21% | <0.01 | $177.87 | $60,736,913 | SEC |
| 2025 Q4 | 342,194 | 0.16 | Add 165.21% | 0.10 | $130.06 | $44,505,752 | SEC |
| 2025 Q3 | 129,026 | 0.08 | Reduce 21.97% | 0.04 | $147.55 | $19,037,786 | SEC |
| 2025 Q2 | 165,356 | 0.17 | Add 14.36% | 0.02 | $168.22 | $27,816,186 | SEC |
| 2025 Q1 | 144,590 | 0.20 | Add 13.16% | 0.02 | $166.60 | $24,088,694 | SEC |
| 2024 Q4 | 127,780 | 0.20 | Reduce 16.75% | 0.04 | $165.30 | $21,122,034 | SEC |
| 2024 Q3 | 153,486 | 0.21 | Add 90.05% | 0.10 | $133.33 | $20,464,288 | SEC |
| 2024 Q2 | 80,759 | 0.13 | Add 4.75% | <0.01 | $125.94 | $10,170,788 | SEC |
| 2024 Q1 | 77,098 | 0.17 | Reduce 3.69% | <0.01 | $146.85 | $11,321,841 | SEC |
| 2023 Q4 | 80,056 | 0.17 | Add 1424.01% | 0.16 | $117.21 | $9,383,364 | SEC |
| 2023 Q3 | 5,253 | <0.01 | Reduce 24.55% | <0.01 | $87.68 | $460,583 | SEC |
| 2023 Q2 | 6,962 | 0.02 | Add 20.41% | <0.01 | $164.55 | $1,145,597 | SEC |
| 2023 Q1 | 5,782 | 0.03 | Add 17.98% | <0.01 | $184.54 | $1,067,010 | SEC |
| 2022 Q4 | 4,901 | 0.02 | Add 13.58% | <0.01 | $147.95 | $725,103 | SEC |
| 2022 Q3 | 4,315 | 0.02 | Reduce 33.70% | <0.01 | $141.14 | $609,000 | SEC |
| 2022 Q2 | 6,508 | 0.03 | Reduce 51.14% | 0.03 | $130.61 | $850,000 | SEC |
| 2022 Q1 | 13,320 | 0.06 | Add 569.01% | 0.05 | $145.57 | $1,939,000 | SEC |
| 2021 Q4 | 1,991 | 0.02 | Add 54.22% | <0.01 | $292.82 | $583,000 | SEC |
| 2021 Q3 | 1,291 | 0.01 | Reduce 29.26% | <0.01 | $270.33 | $349,000 | SEC |
| 2021 Q2 | 1,825 | 0.02 | Add 0.66% | <0.01 | $242.19 | $442,000 | SEC |
| 2021 Q1 | 1,813 | 0.02 | Reduce 0.28% | $229.45 | $416,000 | SEC | |
| 2020 Q4 | 1,818 | 0.02 | Reduce 0.49% | <0.01 | $268.43 | $488,000 | SEC |
| 2020 Q3 | 1,827 | 0.01 | Reduce 3.18% | <0.01 | $235.91 | $431,000 | SEC |
| 2020 Q2 | 1,887 | 0.01 | Add 2.28% | <0.01 | $227.87 | $430,000 | SEC |
| 2020 Q1 | 1,845 | <0.01 | Reduce 0.54% | $177.24 | $327,000 | SEC | |
| 2019 Q4 | 1,855 | <0.01 | Reduce 78.11% | 0.02 | $157.95 | $293,000 | SEC |
| 2019 Q3 | 8,476 | 0.02 | Reduce 4.50% | <0.01 | $148.77 | $1,261,000 | SEC |
| 2019 Q2 | 8,875 | 0.02 | Reduce 50.71% | 0.02 | $148.85 | $1,321,000 | SEC |
| 2019 Q1 | 18,004 | 0.04 | Reduce 61.04% | 0.05 | $138.30 | $2,490,000 | SEC |
| 2018 Q4 | 46,216 | 0.08 | Add 351.37% | 0.06 | $107.37 | $4,962,000 | SEC |
| 2018 Q3 | 10,239 | 0.02 | Reduce 77.13% | 0.05 | $124.52 | $1,275,000 | SEC |
| 2018 Q2 | 44,771 | 0.06 | Add 34.51% | 0.02 | $97.65 | $4,372,000 | SEC |
| 2018 Q1 | 33,284 | 0.04 | Buy | 0.04 | $87.94 | $2,927,000 | SEC |
| 2017 Q4 | 0 | 0.00 | Sell 100.00% | 0.08 | SEC | ||
| 2017 Q3 | 62,657 | 0.08 | Add 433.52% | 0.07 | $86.57 | $5,424,000 | SEC |
| 2017 Q2 | 11,744 | 0.02 | Reduce 0.31% | $91.20 | $1,071,000 | SEC | |
| 2017 Q1 | 11,781 | 0.01 | Reduce 70.12% | 0.02 | $93.29 | $1,099,000 | SEC |
| 2016 Q4 | 39,433 | 0.03 | Add 40.99% | 0.01 | $67.41 | $2,658,000 | SEC |
| 2016 Q3 | 27,968 | 0.02 | Add 99.53% | 0.01 | $59.50 | $1,664,000 | SEC |
| 2016 Q2 | 14,017 | <0.01 | Add 1.54% | <0.01 | $52.51 | $736,000 | SEC |
| 2016 Q1 | 13,804 | <0.01 | Buy | <0.01 | $41.87 | $578,000 | SEC |
| 2015 Q2 | 0 | 0.00 | Sell 100.00% | 0.01 | SEC | ||
| 2015 Q1 | 42,408 | 0.01 | Buy | 0.01 | $32.99 | $1,399,000 | SEC |
| 2014 Q4 | 0 | 0.00 | Sell 100.00% | 0.01 | SEC | ||
| 2014 Q3 | 55,059 | 0.01 | Reduce 25.55% | <0.01 | $21.29 | $1,172,000 | SEC |
| 2014 Q2 | 73,956 | 0.02 | Add 91.22% | 0.01 | $23.60 | $1,745,000 | SEC |
| 2014 Q1 | 38,676 | 0.02 | Reduce 55.49% | 0.04 | $27.30 | $1,056,000 | SEC |
| 2013 Q4 | 86,888 | 0.06 | Reduce 8.10% | <0.01 | $29.23 | $2,540,000 | SEC |
| 2013 Q3 | 94,545 | 0.09 | Reduce 30.91% | 0.04 | $26.64 | $2,519,000 | SEC |
| 2013 Q2 | 136,838 | 0.13 | Add 34.41% | 0.03 | $21.20 | $2,901,000 | SEC |
| 2013 Q1 | 101,804 | 0.11 | Add 64.59% | 0.04 | $19.62 | $1,997,000 | SEC |
| 2012 Q4 | 61,854 | 0.08 | Add 30.93% | 0.02 | $21.02 | $1,300,000 | SEC |
| 2012 Q3 | 47,242 | 0.08 | Reduce 50.15% | 0.08 | $24.17 | $1,142,000 | SEC |
| 2012 Q2 | 94,762 | 0.17 | Add 36.65% | 0.04 | $22.38 | $2,121,000 | SEC |
| 2012 Q1 | 69,345 | 0.15 | Add 110.46% | 0.08 | $23.38 | $1,621,000 | SEC |
| 2011 Q4 | 32,950 | 0.08 | Add 74.44% | 0.03 | $18.69 | $616,000 | SEC |
| 2011 Q3 | 18,889 | 0.07 | Buy | 0.07 | $21.65 | $409,000 | SEC |