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Disclosery

Shannon River Fund Management LLC: FFIV position timeline

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

Shannon River Fund Management LLC held 51,258 FFIV 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 51,258 shares
    Change vs previous 13F +1,062 shares

    1.9% of the 13F portfolio, value $21,321,278.

    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 50,196 shares
    Change vs previous 13F not available

    2.77% of the 13F portfolio, value $14,523,209.

    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).