Skip to content
Disclosery

Sigma Planning Corp: ARM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Sigma Planning Corp on ARM, newest first. How the timeline and the estimate are built.

Sigma Planning Corp held 2,601 ARM shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 2,601 shares
    Change vs previous 13F +300 shares

    0.02% of the 13F portfolio, value $922,353.

    13F-HR 0001420506-26-001464 filed by Sigma Planning Corp
    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 2,301 shares
    Change vs previous 13F +140 shares

    0.01% of the 13F portfolio, value $348,081.

    13F-HR 0001420506-26-000793 filed by Sigma Planning Corp
    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 2,161 shares
    Change vs previous 13F -65 shares

    0.01% of the 13F portfolio, value $236,209.

    13F-HR 0001420506-26-000121 filed by Sigma Planning Corp
    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 2,226 shares
    Change vs previous 13F -147 shares

    0.01% of the 13F portfolio, value $314,944.

    13F-HR 0001420506-25-003053 filed by Sigma Planning Corp
    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 2,373 shares
    Change vs previous 13F -36 shares

    0.01% of the 13F portfolio, value $383,883.

    13F-HR 0001420506-25-001700 filed by Sigma Planning Corp
    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 2,409 shares
    Change vs previous 13F +163 shares

    0.01% of the 13F portfolio, value $257,306.

    13F-HR 0001420506-25-000852 filed by Sigma Planning Corp
    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 2,246 shares
    Change vs previous 13F -14,755 shares

    0.01% of the 13F portfolio, value $277,025.

    13F-HR 0001420506-25-000109 filed by Sigma Planning Corp
    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 17,001 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $2,431,300.

    13F-HR 0001420506-24-002196 filed by Sigma Planning Corp
    Filed (acceptance time not in the bulk data set), ingested

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