MASI · Masimo Corp
Market Cap
$9.42B
Shares
52.37M
Weekly off-exchange (dark pool / OTC) trading volume reported to FINRA under its OTC/ATS Transparency data. ATS volume is executed on alternating trading systems (dark pools); non-ATS OTC is other over-the-counter dealer volume. The off-exchange share is total off-exchange volume as a percentage of consolidated weekly trading volume for the same Monday–Friday week.
Off-Exchange Volume History
| Week Start | ATS Volume | Non-ATS OTC Volume | Total Off-Exchange | % of FINRA Weekly Volume |
|---|---|---|---|---|
| 2026-06-08 | 1,010,601 | 226,358 | 1,236,959 | — |
| 2026-06-01 | 1,003,472 | 389,591 | 1,393,063 | — |
| 2026-05-25 | 610,486 | 368,705 | 979,191 | — |
| 2026-05-18 | 882,871 | 344,856 | 1,227,727 | — |
| 2026-05-11 | 883,346 | 582,817 | 1,466,163 | — |
| 2026-05-04 | 1,422,859 | 567,610 | 1,990,469 | — |
| 2026-04-27 | 519,835 | 1,244,246 | 1,764,081 | — |
| 2026-04-20 | 623,730 | 623,359 | 1,247,089 | — |
| 2026-04-13 | 433,015 | 258,578 | 691,593 | — |
| 2026-04-06 | 519,995 | 485,094 | 1,005,089 | — |
| 2026-03-30 | 755,906 | 264,390 | 1,020,296 | — |
| 2026-03-23 | 1,573,401 | 780,880 | 2,354,281 | — |
| 2026-03-16 | 2,994,363 | 1,674,245 | 4,668,608 | — |
| 2026-03-09 | 1,628,561 | 1,663,221 | 3,291,782 | — |
| 2026-03-02 | 1,543,207 | 965,772 | 2,508,979 | — |
| 2026-02-23 | 2,744,375 | 1,392,097 | 4,136,472 | — |
| 2026-02-16 | 8,540,150 | 4,969,942 | 13,510,092 | — |
| 2026-02-09 | 1,124,384 | 335,821 | 1,460,205 | — |
| 2026-02-02 | 1,022,341 | 216,500 | 1,238,841 | — |
| 2026-01-26 | 1,105,427 | 395,374 | 1,500,801 | — |
| 2026-01-19 | 1,477,147 | 340,841 | 1,817,988 | — |
| 2026-01-12 | 1,816,733 | 280,690 | 2,097,423 | — |
| 2026-01-05 | 1,109,868 | 283,786 | 1,393,654 | — |
| 2025-12-29 | 657,265 | 397,419 | 1,054,684 | — |
| 2025-12-22 | 541,260 | 181,172 | 722,432 | — |
| 2025-12-15 | 1,264,541 | 605,399 | 1,869,940 | — |
| 2025-12-08 | 945,076 | 1,286,853 | 2,231,929 | — |
| 2025-12-01 | 1,603,502 | 291,524 | 1,895,026 | — |
| 2025-11-24 | 890,028 | 112,042 | 1,002,070 | — |
| 2025-11-17 | 1,777,447 | 236,513 | 2,013,960 | — |
| 2025-11-10 | 1,150,091 | 1,043,760 | 2,193,851 | — |
| 2025-11-03 | 2,381,673 | 440,686 | 2,822,359 | — |
| 2025-10-27 | 842,651 | 265,767 | 1,108,418 | — |
| 2025-10-20 | 1,038,490 | 222,702 | 1,261,192 | — |
| 2025-10-13 | 946,073 | 258,362 | 1,204,435 | — |
| 2025-10-06 | 1,397,465 | 284,333 | 1,681,798 | — |
| 2025-09-29 | 871,497 | 259,079 | 1,130,576 | — |
| 2025-09-22 | 860,974 | 419,740 | 1,280,714 | — |
| 2025-09-15 | 1,045,713 | 629,309 | 1,675,022 | — |
| 2025-09-08 | 920,311 | 487,680 | 1,407,991 | — |
| 2025-09-01 | 769,654 | 301,603 | 1,071,257 | — |
| 2025-08-25 | 732,163 | 377,412 | 1,109,575 | — |
| 2025-08-18 | 1,039,638 | 200,529 | 1,240,167 | — |
Showing 1–43 of 43 weeks
Key facts
CIK
937556
CUSIP
574795100
13F (30d)
11 filings
10 filers
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