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Aigen Investment Management, LP: CSX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Aigen Investment Management, LP on CSX, newest first. How the timeline and the estimate are built.

Aigen Investment Management, LP held 96,205 CSX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 96,205 shares
    Change vs previous 13F +96,205 shares

    1.25% of the 13F portfolio, value $4,572,624.

    13F-HR 0001420506-26-001705 filed by Aigen Investment Management, LP
    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 0 shares
    Change vs previous 13F -6,843 shares

    13F-HR 0001420506-26-001055 filed by Aigen Investment Management, LP
    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.

  3. period ended2025-12-31
    13F 6,843 shares
    Change vs previous 13F -27,612 shares

    0.06% of the 13F portfolio, value $248,059.

    13F-HR 0001420506-26-000345 filed by Aigen Investment Management, LP
    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 34,455 shares
    Change vs previous 13F +34,455 shares

    0.19% of the 13F portfolio, value $1,223,497.

    13F-HR 0001420506-25-003307 filed by Aigen Investment Management, LP
    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 0 shares
    Change vs previous 13F -124,633 shares

    13F-HR 0001420506-25-001832 filed by Aigen Investment Management, LP
    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.

  6. period ended2025-03-31
    13F 124,633 shares
    Change vs previous 13F not available

    0.59% of the 13F portfolio, value $3,667,949.

    13F-HR 0001420506-25-000982 filed by Aigen Investment Management, LP
    Filed (acceptance time not in the bulk data set), ingested

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