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Atom Investors LP: MPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Atom Investors LP on MPWR, newest first. How the timeline and the estimate are built.

Atom Investors LP held 0 MPWR shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -271 shares

    13F-HR 0001214659-26-001839 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 271 shares
    Change vs previous 13F +271 shares

    0.02% of the 13F portfolio, value $249,493.

    13F-HR 0001214659-25-016495 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -302 shares

    13F-HR 0001214659-25-002663 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

    Exited: the 13F for this period no longer lists the position.

  4. period ended2024-09-30
    13F 302 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $279,199.

    13F-HR 0001214659-24-018941 filed by Atom Investors LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).