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TWO SIGMA INVESTMENTS, LP: ATYR position timeline

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

TWO SIGMA INVESTMENTS, LP held 1,245,147 ATYR 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 1,245,147 shares
    Change vs previous 13F +100,582 shares

    <0.01% of the 13F portfolio, value $743,104.

    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 1,144,565 shares
    Share basis changed not comparable

    Membership change: TWO SIGMA ADVISERS, LP left the group. <0.01% of the 13F portfolio, value $892,761.

    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 1,295,793 shares
    Change vs previous 13F +1,084,793 shares

    <0.01% of the 13F portfolio, value $1,014,735.

    13F-HR 0000899140-26-000225 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 454,443 shares
    • TWO SIGMA ADVISERS, LP: 841,350 shares

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

  4. period ended2025-09-30
    13F 211,000 shares
    Change vs previous 13F +179,672 shares

    <0.01% of the 13F portfolio, value $152,215.

    13F-HR 0000899140-25-001286 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).

  5. period ended2025-06-30
    13F 31,328 shares
    Change vs previous 13F +9,089 shares

    <0.01% of the 13F portfolio, value $158,833.

    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).

  6. period ended2025-03-31
    13F 22,239 shares
    Change vs previous 13F -11,639 shares

    <0.01% of the 13F portfolio, value $67,162.

    13F-HR 0000899140-25-000680 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 22,239 shares
    • TWO SIGMA ADVISERS, LP: 0 shares

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

  7. period ended2024-12-31
    13F 33,878 shares
    Change vs previous 13F -44,472 shares

    <0.01% of the 13F portfolio, value $122,638.

    13F-HR 0000899140-25-000265 filed by TWO SIGMA INVESTMENTS, LP
    Filed (acceptance time not in the bulk data set), ingested

    • TWO SIGMA INVESTMENTS, LP: 21,628 shares
    • TWO SIGMA ADVISERS, LP: 12,250 shares

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

  8. period ended2024-09-30
    13F 78,350 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $137,896.

    13F-HR 0000919574-24-006607 filed by TWO SIGMA ADVISERS, LP
    Filed (acceptance time not in the bulk data set), ingested

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