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Bluefin Trading, LLC: IBM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Bluefin Trading, LLC on IBM, newest first. How the timeline and the estimate are built.

Bluefin Trading, LLC held 8,535 IBM shares at 2020-06-30 per its 13F-HR filed 2020-08-17.

the latest 13F is the newest step

  1. period ended2020-06-30
    13F 8,535 shares
    Change vs previous 13F +3,435 shares

    0.1% of the 13F portfolio, value $1,031,000.

    13F-HR 0001085146-20-002327 filed by Bluefin Trading, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2020-03-31
    13F 5,100 shares
    Change vs previous 13F -28,996 shares

    0.1% of the 13F portfolio, value $566,000.

    13F-HR 0001085146-20-001540 filed by Bluefin Trading, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2019-12-31
    13F 34,096 shares
    Change vs previous 13F +34,096 shares

    0.34% of the 13F portfolio, value $4,571,000.

    13F-HR 0001085146-20-000882 filed by Bluefin Trading, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2018-12-31
    13F 0 shares
    Change vs previous 13F -6,870 shares

    13F-HR 0001085146-19-000952 filed by Bluefin Trading, 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.

  5. period ended2018-09-30
    13F 6,870 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $1,039,000.

    13F-HR 0001085146-18-002765 filed by Bluefin Trading, LLC
    Filed (acceptance time not in the bulk data set), ingested

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