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GAGNON SECURITIES LLC: QDEL position timeline

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

GAGNON SECURITIES LLC held 1,271,468 QDEL shares at 2026-06-30 per its 13F-HR filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,271,468 shares
    Change vs previous 13F +868,143 shares

    3.29% of the 13F portfolio, value $22,269,762.

    13F-HR 0001019056-26-000123 filed by GAGNON SECURITIES LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAGNON SECURITIES LLC: 1,030,371 shares
    • Gagnon Advisors, LLC: 241,097 shares

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

  2. period ended2026-03-31
    13F 403,325 shares
    Change vs previous 13F +244,148 shares

    1.53% of the 13F portfolio, value $6,626,630.

    13F-HR 0001019056-26-000076 filed by GAGNON SECURITIES LLC
    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 159,177 shares
    Change vs previous 13F +36,678 shares

    0.93% of the 13F portfolio, value $4,546,095.

    13F-HR 0001019056-26-000037 filed by GAGNON SECURITIES LLC
    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 122,499 shares
    Change vs previous 13F +49,622 shares

    0.72% of the 13F portfolio, value $3,607,596.

    13F-HR 0001019056-25-000228 filed by GAGNON SECURITIES LLC
    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 72,877 shares
    Change vs previous 13F -18,257 shares

    0.43% of the 13F portfolio, value $2,100,315.

    13F-HR 0001019056-25-000196 filed by GAGNON SECURITIES LLC
    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 91,134 shares
    Change vs previous 13F +74 shares

    0.7% of the 13F portfolio, value $3,186,956.

    13F-HR 0001019056-25-000173 filed by GAGNON SECURITIES LLC
    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 91,060 shares
    Change vs previous 13F +28,431 shares

    0.82% of the 13F portfolio, value $4,056,723.

    13F-HR 0001019056-25-000034 filed by GAGNON SECURITIES LLC
    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 62,629 shares
    Change vs previous 13F not available

    0.57% of the 13F portfolio, value $2,855,882.

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

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