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ARDSLEY ADVISORY PARTNERS LP: PI position timeline

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

ARDSLEY ADVISORY PARTNERS LP held 33,000 PI 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 33,000 shares
    Change vs previous 13F +21,500 shares

    0.51% of the 13F portfolio, value $4,726,590.

    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 11,500 shares
    Change vs previous 13F +5,000 shares

    0.18% of the 13F portfolio, value $1,181,050.

    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 6,500 shares
    Change vs previous 13F not available

    0.14% of the 13F portfolio, value $1,131,065.

    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).