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ARDSLEY ADVISORY PARTNERS LP: ENPH position timeline

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

ARDSLEY ADVISORY PARTNERS LP held 220,000 ENPH 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 220,000 shares
    Change vs previous 13F +135,000 shares

    1.17% of the 13F portfolio, value $10,782,200.

    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 85,000 shares
    Change vs previous 13F +47,500 shares

    0.49% of the 13F portfolio, value $3,213,850.

    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 37,500 shares
    Change vs previous 13F +37,500 shares

    0.15% of the 13F portfolio, value $1,203,750.

    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 ended2025-03-31
    13F 0 shares
    Change vs previous 13F -35,000 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  5. period ended2024-12-31
    13F 35,000 shares
    Change vs previous 13F +35,000 shares

    0.47% of the 13F portfolio, value $2,403,800.

    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).

  6. period ended2024-09-30
    13F 0 shares
    Change vs previous 13F not available

    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).

    Exited: the 13F for this period no longer lists the position.