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Disclosery

FOX RUN MANAGEMENT, L.L.C.: AMBA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FOX RUN MANAGEMENT, L.L.C. on AMBA, newest first. How the timeline and the estimate are built.

FOX RUN MANAGEMENT, L.L.C. held 0 AMBA shares at 2026-03-31 per its 13F-HR filed 2026-05-12.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -9,767 shares

    13F-HR 0001420506-26-000922 filed by FOX RUN MANAGEMENT, L.L.C.
    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 ended2025-12-31
    13F 9,767 shares
    Change vs previous 13F -9,463 shares

    0.11% of the 13F portfolio, value $691,894.

    13F-HR 0001420506-26-000280 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-09-30
    13F 19,230 shares
    Change vs previous 13F +10,994 shares

    0.25% of the 13F portfolio, value $1,586,860.

    13F-HR 0001420506-25-003071 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-06-30
    13F 8,236 shares
    Change vs previous 13F -572 shares

    0.09% of the 13F portfolio, value $544,111.

    13F-HR 0001420506-25-001732 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-03-31
    13F 8,808 shares
    Change vs previous 13F +2,811 shares

    0.07% of the 13F portfolio, value $443,307.

    13F-HR 0001420506-25-001008 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-12-31
    13F 5,997 shares
    Change vs previous 13F -5,773 shares

    0.08% of the 13F portfolio, value $436,222.

    13F-HR 0001420506-25-000264 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-09-30
    13F 11,770 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $663,887.

    13F-HR 0001420506-24-002307 filed by FOX RUN MANAGEMENT, L.L.C.
    Filed (acceptance time not in the bulk data set), ingested

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