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DARK FOREST CAPITAL MANAGEMENT LP: ATO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DARK FOREST CAPITAL MANAGEMENT LP on ATO, newest first. How the timeline and the estimate are built.

DARK FOREST CAPITAL MANAGEMENT LP held 12,556 ATO 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 12,556 shares
    Change vs previous 13F -4,143 shares

    0.14% of the 13F portfolio, value $2,163,022.

    13F-HR 0002073679-26-000088 filed by DARK FOREST CAPITAL 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 16,699 shares
    Change vs previous 13F -2,152 shares

    0.27% of the 13F portfolio, value $3,084,639.

    13F-HR 0002073679-26-000055 filed by DARK FOREST CAPITAL MANAGEMENT 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 18,851 shares
    Change vs previous 13F +18,851 shares

    0.14% of the 13F portfolio, value $3,159,993.

    13F-HR 0001853322-26-000001 filed by DARK FOREST CAPITAL 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/A 0 shares
    Change vs previous 13F -16,873 shares

    13F-HR/A 0001853322-25-000011 filed by DARK FOREST CAPITAL 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.

  5. period ended2025-06-30
    13F 16,873 shares
    Change vs previous 13F -13,757 shares

    0.1% of the 13F portfolio, value $2,600,298.

    13F-HR 0001853322-25-000007 filed by DARK FOREST CAPITAL MANAGEMENT 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 30,630 shares
    Change vs previous 13F +30,630 shares

    0.22% of the 13F portfolio, value $4,734,785.

    13F-HR 0001853322-25-000005 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -1,705 shares

    13F-HR 0001853322-25-000003 filed by DARK FOREST CAPITAL 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.

  8. period ended2024-09-30
    13F 1,705 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $236,501.

    13F-HR 0001853322-24-000008 filed by DARK FOREST CAPITAL MANAGEMENT LP
    Filed (acceptance time not in the bulk data set), ingested

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