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ESSEX INVESTMENT MANAGEMENT CO LLC: APT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ESSEX INVESTMENT MANAGEMENT CO LLC on APT, newest first. How the timeline and the estimate are built.

ESSEX INVESTMENT MANAGEMENT CO LLC held 34,264 APT shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 34,264 shares
    Change vs previous 13F -111 shares

    0.03% of the 13F portfolio, value $192,564.

    13F-HR 0000201772-26-000005 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,375 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $152,625.

    13F-HR 0000201772-26-000004 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,375 shares
    Change vs previous 13F 0 shares

    0.02% of the 13F portfolio, value $152,625.

    13F-HR 0000201772-26-000001 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,375 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $164,484.

    13F-HR 0000201772-25-000008 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,375 shares
    Change vs previous 13F -407 shares

    0.03% of the 13F portfolio, value $161,219.

    13F-HR 0000201772-25-000006 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,782 shares
    Change vs previous 13F -11 shares

    0.04% of the 13F portfolio, value $173,910.

    13F-HR 0000201772-25-000005 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 34,793 shares
    Change vs previous 13F -4,027 shares

    0.03% of the 13F portfolio, value $184,055.

    13F-HR 0000201772-25-000001 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    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 38,820 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $221,274.

    13F-HR 0000201772-24-000006 filed by ESSEX INVESTMENT MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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