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Disclosery

Shannon River Fund Management LLC: IDCC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Shannon River Fund Management LLC on IDCC, newest first. How the timeline and the estimate are built.

Shannon River Fund Management LLC held 184,388 IDCC shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 184,388 shares
    Change vs previous 13F +130,284 shares

    4.66% of the 13F portfolio, value $52,205,774.

    13F-HR 0001013594-26-000886 filed by Shannon River Fund Management LLC
    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 54,104 shares
    Change vs previous 13F +614 shares

    3.12% of the 13F portfolio, value $16,339,408.

    13F-HR 0001013594-26-000581 filed by Shannon River Fund Management 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 53,490 shares
    Change vs previous 13F -125,230 shares

    2.67% of the 13F portfolio, value $17,030,146.

    13F-HR 0001013594-26-000239 filed by Shannon River Fund Management 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 178,720 shares
    Change vs previous 13F -57,851 shares

    9.93% of the 13F portfolio, value $61,699,506.

    13F-HR 0001013594-25-001398 filed by Shannon River Fund Management 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 236,571 shares
    Change vs previous 13F +11,569 shares

    8.17% of the 13F portfolio, value $53,046,316.

    13F-HR 0001013594-25-000992 filed by Shannon River Fund Management 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 225,002 shares
    Change vs previous 13F -156,643 shares

    12.14% of the 13F portfolio, value $46,519,164.

    13F-HR 0001013594-25-000645 filed by Shannon River Fund Management 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 381,645 shares
    Change vs previous 13F -90,507 shares

    13.07% of the 13F portfolio, value $73,932,269.

    13F-HR 0001013594-25-000260 filed by Shannon River Fund Management 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 472,152 shares
    Change vs previous 13F not available

    10.11% of the 13F portfolio, value $66,870,888.

    13F-HR 0001013594-24-000941 filed by Shannon River Fund Management LLC
    Filed (acceptance time not in the bulk data set), ingested

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