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Disclosery

DF DENT & CO INC: MPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DF DENT & CO INC on MPWR, newest first. How the timeline and the estimate are built.

DF DENT & CO INC held 72,954 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 72,954 shares
    Change vs previous 13F -15,595 shares

    1.91% of the 13F portfolio, value $100,848,571.

    13F-HR 0000934999-26-000003 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 88,549 shares
    Change vs previous 13F -38,728 shares

    1.85% of the 13F portfolio, value $96,815,305.

    13F-HR 0000934999-26-000002 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 127,277 shares
    Change vs previous 13F -22,453 shares

    1.66% of the 13F portfolio, value $115,358,821.

    13F-HR 0000934999-26-000001 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 149,730 shares
    Change vs previous 13F -21,348 shares

    1.78% of the 13F portfolio, value $137,847,127.

    13F-HR 0000934999-25-000008 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 171,078 shares
    Change vs previous 13F +11,090 shares

    1.59% of the 13F portfolio, value $125,123,225.

    13F-HR 0000934999-25-000005 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 159,988 shares
    Change vs previous 13F +4,449 shares

    1.24% of the 13F portfolio, value $92,789,714.

    13F-HR 0000934999-25-000004 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 155,539 shares
    Change vs previous 13F +72,295 shares

    1.17% of the 13F portfolio, value $92,032,165.

    13F-HR 0000934999-25-000002 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 83,244 shares
    Change vs previous 13F not available

    0.94% of the 13F portfolio, value $76,959,142.

    13F-HR 0000934999-24-000013 filed by DF DENT & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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