MASI
Masimo CorpCompany with tickers: MASI
CIK
937556
CUSIP
574795100
Shares Outstanding
52,369,086
13F Activity (30d)
345 filings
341 filers
Short Interest History
| Settlement Date | Current Position | Previous Position | Change | Days to Cover |
|---|---|---|---|---|
| 2026-05-15 | 3,730,274 | 3,884,472 | -154,198 | 4.28 |
| 2026-04-30 | 3,884,472 | 3,818,925 | +65,547 | 6.06 |
| 2026-04-15 | 3,818,925 | 3,248,048 | +570,877 | 5.47 |
| 2026-03-31 | 3,248,048 | 2,680,885 | +567,163 | 1.68 |
| 2026-03-13 | 2,680,885 | 3,828,135 | -1,147,250 | 1.45 |
| 2026-02-27 | 3,828,135 | 3,982,220 | -154,085 | 1.00 |
| 2026-02-13 | 3,982,220 | 4,112,256 | -130,036 | 6.15 |
| 2026-01-30 | 4,112,256 | 4,129,092 | -16,836 | 5.16 |
| 2026-01-15 | 4,129,092 | 3,926,750 | +202,342 | 5.50 |
| 2025-12-31 | 3,926,750 | 3,968,788 | -42,038 | 5.52 |
| 2025-12-15 | 3,968,788 | 3,821,390 | +147,398 | 4.83 |
| 2025-11-28 | 3,821,390 | 3,823,446 | -2,056 | 5.38 |
| 2025-11-14 | 3,823,446 | 3,815,879 | +7,567 | 3.75 |
| 2025-10-31 | 3,815,879 | 3,849,851 | -33,972 | 7.08 |
| 2025-10-15 | 3,849,851 | 3,809,794 | +40,057 | 5.67 |
| 2025-09-30 | 3,809,794 | 3,718,952 | +90,842 | 5.25 |
| 2025-09-15 | 3,718,952 | 3,535,853 | +183,099 | 6.28 |
| 2025-08-29 | 3,535,853 | 4,107,239 | -571,386 | 5.67 |
| 2025-08-15 | 4,107,239 | 3,268,896 | +838,343 | 3.83 |
| 2025-07-31 | 3,268,896 | 3,249,459 | +19,437 | 6.05 |
| 2025-07-15 | 3,249,459 | 3,030,221 | +219,238 | 6.11 |
| 2025-06-30 | 3,030,221 | 3,280,399 | -250,178 | 5.14 |
| 2025-06-13 | 3,280,399 | 3,125,829 | +154,570 | 4.99 |
| 2025-05-30 | 3,125,829 | 3,029,007 | +96,822 | 5.12 |