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Disclosery

CastleKnight Management LP: ATKR position timeline

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

CastleKnight Management LP held 7,500 ATKR 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 7,500 shares
    Change vs previous 13F -34,700 shares

    0.02% of the 13F portfolio, value $570,300.

    13F-HR 0000919574-26-005559 filed by CastleKnight 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 42,200 shares
    Change vs previous 13F 0 shares

    0.12% of the 13F portfolio, value $2,486,002.

    13F-HR 0000919574-26-003331 filed by CastleKnight 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 42,200 shares
    Change vs previous 13F 0 shares

    0.15% of the 13F portfolio, value $2,669,150.

    13F-HR 0000919574-26-001183 filed by CastleKnight 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 42,200 shares
    Change vs previous 13F -21,000 shares

    0.14% of the 13F portfolio, value $2,647,628.

    13F-HR 0000919574-25-006966 filed by CastleKnight 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 63,200 shares
    Change vs previous 13F +63,200 shares

    0.29% of the 13F portfolio, value $4,458,760.

    13F-HR 0000919574-25-004814 filed by CastleKnight 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 ended2024-12-31
    13F 0 shares
    Change vs previous 13F -21,100 shares

    13F-HR 0000919574-25-001197 filed by CastleKnight 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.

  7. period ended2024-09-30
    13F 21,100 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $1,788,014.

    13F-HR 0000919574-24-006737 filed by CastleKnight Management LP
    Filed (acceptance time not in the bulk data set), ingested

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