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GAGNON SECURITIES LLC: AL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAGNON SECURITIES LLC on AL, newest first. How the timeline and the estimate are built.

GAGNON SECURITIES LLC held 0 AL shares at 2026-03-31 per its 13F-HR filed 2026-04-22.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -693,436 shares

    13F-HR 0001019056-26-000076 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 0 shares
    • Gagnon Advisors, LLC: 0 shares

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

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

  2. period ended2025-12-31
    13F 693,436 shares
    Change vs previous 13F -108,661 shares

    6.87% of the 13F portfolio, value $44,539,394.

    13F-HR 0001019056-26-000037 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 496,957 shares
    • Gagnon Advisors, LLC: 196,479 shares

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

  3. period ended2025-09-30
    13F 802,097 shares
    Change vs previous 13F -130,819 shares

    7.73% of the 13F portfolio, value $51,053,455.

    13F-HR 0001019056-25-000228 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 605,618 shares
    • Gagnon Advisors, LLC: 196,479 shares

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

  4. period ended2025-06-30
    13F 932,916 shares
    Change vs previous 13F +5,354 shares

    8.51% of the 13F portfolio, value $54,566,262.

    13F-HR 0001019056-25-000196 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 736,437 shares
    • Gagnon Advisors, LLC: 196,479 shares

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

  5. period ended2025-03-31
    13F 927,562 shares
    Change vs previous 13F -3,784 shares

    7.51% of the 13F portfolio, value $44,810,524.

    13F-HR 0001019056-25-000173 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 731,083 shares
    • Gagnon Advisors, LLC: 196,479 shares

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

  6. period ended2024-12-31
    13F 931,346 shares
    Change vs previous 13F +1,223 shares

    6.88% of the 13F portfolio, value $44,900,195.

    13F-HR 0001019056-25-000034 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 734,867 shares
    • Gagnon Advisors, LLC: 196,479 shares

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

  7. period ended2024-09-30
    13F 930,123 shares
    Change vs previous 13F not available

    6.39% of the 13F portfolio, value $42,125,275.

    13F-HR 0001019056-24-000316 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 733,644 shares
    • Gagnon Advisors, LLC: 196,479 shares

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