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TWO SIGMA INVESTMENTS, LP: ATNM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWO SIGMA INVESTMENTS, LP on ATNM, newest first. How the timeline and the estimate are built.

TWO SIGMA INVESTMENTS, LP held 259,179 ATNM 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 259,179 shares
    Change vs previous 13F -77,989 shares

    <0.01% of the 13F portfolio, value $253,995.

    13F-HR 0000899140-26-000855 filed by TWO SIGMA INVESTMENTS, 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 337,168 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. <0.01% of the 13F portfolio, value $335,583.

    13F-HR 0000899140-26-000547 filed by TWO SIGMA INVESTMENTS, LP
    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 405,768 shares
    Change vs previous 13F -24,901 shares

    <0.01% of the 13F portfolio, value $551,844.

    13F-HR 0000899140-26-000232 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 209,692 shares
    • TWO SIGMA ADVISERS, LP: 196,076 shares

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

  4. period ended2025-09-30
    13F 430,669 shares
    Change vs previous 13F +384,124 shares

    <0.01% of the 13F portfolio, value $689,071.

    13F-HR 0000899140-25-001286 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 234,293 shares
    • TWO SIGMA ADVISERS, LP: 196,376 shares

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

  5. period ended2025-06-30
    13F 46,545 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $65,163.

    13F-HR 0000899140-25-000964 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

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