Shannon River Fund Management LLC: FLEX position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Shannon River Fund Management LLC on FLEX, newest first. How the timeline and the estimate are built.
Shannon River Fund Management LLC held 379,834 FLEX shares at 2026-06-30 per its 13F-HR filed 2026-08-13.
the latest 13F is the newest step
- period ended2026-06-3013F 379,834 sharesChange vs previous 13F +68,611 shares
5.49% of the 13F portfolio, value $61,559,696.
13F-HR 0001013594-26-000886 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 311,223 sharesChange vs previous 13F -2,050 shares
3.89% of the 13F portfolio, value $20,372,658.
13F-HR 0001013594-26-000581 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 313,273 sharesChange vs previous 13F -536,143 shares
2.97% of the 13F portfolio, value $18,927,954.
13F-HR 0001013594-26-000239 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 849,416 sharesChange vs previous 13F -452,500 shares
7.93% of the 13F portfolio, value $49,240,645.
13F-HR 0001013594-25-001398 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,301,916 sharesChange vs previous 13F +288,334 shares
10.01% of the 13F portfolio, value $64,991,647.
13F-HR 0001013594-25-000992 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 1,013,582 sharesChange vs previous 13F +4,526 shares
8.75% of the 13F portfolio, value $33,529,293.
13F-HR 0001013594-25-000645 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,009,056 sharesChange vs previous 13F -268,205 shares
6.85% of the 13F portfolio, value $38,737,660.
13F-HR 0001013594-25-000260 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 1,277,261 sharesChange vs previous 13F not available
6.45% of the 13F portfolio, value $42,698,835.
13F-HR 0001013594-24-000941 filed by Shannon River Fund Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).