Skip to content
Disclosery

ARDSLEY ADVISORY PARTNERS LP: DNN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ARDSLEY ADVISORY PARTNERS LP on DNN, newest first. How the timeline and the estimate are built.

ARDSLEY ADVISORY PARTNERS LP held 400,000 DNN shares at 2026-06-30 per its 13F-HR filed 2026-07-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 400,000 shares
    Change vs previous 13F -1,000,000 shares

    0.13% of the 13F portfolio, value $1,224,000.

    13F-HR 0001172661-26-002590 filed by ARDSLEY ADVISORY PARTNERS 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 1,400,000 shares
    Change vs previous 13F -2,700,000 shares

    0.75% of the 13F portfolio, value $4,942,000.

    13F-HR 0001172661-26-002039 filed by ARDSLEY ADVISORY PARTNERS 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 4,100,000 shares
    Change vs previous 13F +2,100,000 shares

    1.39% of the 13F portfolio, value $10,906,000.

    13F-HR 0001172661-26-000864 filed by ARDSLEY ADVISORY PARTNERS 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 2,000,000 shares
    Change vs previous 13F 0 shares

    0.84% of the 13F portfolio, value $5,500,000.

    13F-HR 0001172661-25-004897 filed by ARDSLEY ADVISORY PARTNERS 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 2,000,000 shares
    Change vs previous 13F +1,000,000 shares

    0.59% of the 13F portfolio, value $3,640,000.

    13F-HR 0001172661-25-003308 filed by ARDSLEY ADVISORY PARTNERS 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 1,000,000 shares
    Change vs previous 13F 0 shares

    0.3% of the 13F portfolio, value $1,300,000.

    13F-HR 0001172661-25-002033 filed by ARDSLEY ADVISORY PARTNERS 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 1,000,000 shares
    Change vs previous 13F +500,000 shares

    0.35% of the 13F portfolio, value $1,800,000.

    13F-HR 0001172661-25-000980 filed by ARDSLEY ADVISORY PARTNERS LP
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 500,000 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $915,000.

    13F-HR 0001172661-24-004816 filed by ARDSLEY ADVISORY PARTNERS LP
    Filed (acceptance time not in the bulk data set), ingested

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