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MPWR

Monolithic Power Systems Inc

Company with tickers: MPWR

CIK
1280452
CUSIP
609839105
Shares Outstanding
49,130,000
13F Activity (30d)
322 filings 302 filers

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
2026-05-18 751,774 419,810 1,171,584 40.3%
2026-05-11 654,557 397,603 1,052,160 49.5%
2026-05-04 751,447 472,578 1,224,025 39.6%
2026-04-27 1,085,935 405,450 1,491,385 44.3%
2026-04-20 731,327 458,232 1,189,559 47.7%
2026-04-13 636,262 414,898 1,051,160 51.0%
2026-04-06 763,864 397,853 1,161,717 38.4%
2026-03-30 484,585 335,401 819,986 33.9%
2026-03-23 509,128 251,584 760,712 33.1%
2026-03-16 560,523 412,447 972,970 34.7%
2026-03-09 490,096 407,321 897,417 34.7%
2026-03-02 662,079 530,818 1,192,897 38.0%
2026-02-23 662,073 514,801 1,176,874 39.8%
2026-02-16 374,988 173,032 548,020 37.0%
2026-02-09 779,108 361,337 1,140,445 33.8%
2026-02-02 1,270,409 698,358 1,968,767 37.8%
2026-01-26 820,722 441,630 1,262,352 34.9%
2026-01-19 483,295 216,192 699,487 33.7%
2026-01-12 493,106 302,391 795,497 36.2%
2026-01-05 746,499 403,366 1,149,865 38.1%
2025-12-29 316,110 427,657 743,767 42.9%
2025-12-22 284,370 191,110 475,480 35.5%
2025-12-15 1,119,295 2,695,141 3,814,436 45.2%
Showing 1–23 of 23 weeks