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ESSEX INVESTMENT MANAGEMENT CO LLC: ADPT position timeline

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

ESSEX INVESTMENT MANAGEMENT CO LLC held 472,763 ADPT 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 472,763 shares
    Change vs previous 13F -20,640 shares

    1.33% of the 13F portfolio, value $10,140,766.

    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 493,403 shares
    Change vs previous 13F -130,814 shares

    1.08% of the 13F portfolio, value $6,848,434.

    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 624,217 shares
    Change vs previous 13F -14,244 shares

    1.55% of the 13F portfolio, value $10,137,284.

    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 638,461 shares
    Change vs previous 13F +21,162 shares

    1.46% of the 13F portfolio, value $9,551,377.

    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 617,299 shares
    Change vs previous 13F -4,413 shares

    1.31% of the 13F portfolio, value $7,191,533.

    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 621,712 shares
    Change vs previous 13F -4,126 shares

    0.96% of the 13F portfolio, value $4,619,320.

    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 625,838 shares
    Change vs previous 13F -92,818 shares

    0.67% of the 13F portfolio, value $3,751,899.

    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 718,656 shares
    Change vs previous 13F not available

    0.64% of the 13F portfolio, value $3,679,519.

    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).