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ESSEX INVESTMENT MANAGEMENT CO LLC: PFE position timeline

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

ESSEX INVESTMENT MANAGEMENT CO LLC held 0 PFE shares at 2025-06-30 per its 13F-HR filed 2025-08-12.

the latest 13F is the newest step

  1. period ended2025-06-30
    13F 0 shares
    Change vs previous 13F -114,116 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-03-31
    13F 114,116 shares
    Change vs previous 13F -12,694 shares

    0.6% of the 13F portfolio, value $2,891,699.

    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).

  3. period ended2024-12-31
    13F 126,810 shares
    Change vs previous 13F -24,182 shares

    0.6% of the 13F portfolio, value $3,364,269.

    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).

  4. period ended2024-09-30
    13F 150,992 shares
    Change vs previous 13F not available

    0.76% of the 13F portfolio, value $4,369,708.

    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).