Granahan Investment Management, LLC: SIBN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Granahan Investment Management, LLC on SIBN, newest first. How the timeline and the estimate are built.
Granahan Investment Management, LLC held 1,931,182 SIBN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 1,931,182 sharesChange vs previous 13F +192,085 shares
1.12% of the 13F portfolio, value $31,516,890.
13F-HR 0001398344-26-014483 filed by Granahan Investment 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 1,739,097 sharesChange vs previous 13F +858,942 shares
1.06% of the 13F portfolio, value $21,964,795.
13F-HR 0001398344-26-009220 filed by Granahan Investment 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 880,155 sharesChange vs previous 13F -159,494 shares
0.74% of the 13F portfolio, value $17,356,657.
13F-HR 0001398344-26-003202 filed by Granahan Investment 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 1,039,649 sharesChange vs previous 13F -224,678 shares
0.63% of the 13F portfolio, value $15,303,633.
13F-HR 0001398344-25-020897 filed by Granahan Investment 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 1,264,327 sharesChange vs previous 13F -168,374 shares
0.97% of the 13F portfolio, value $23,794,634.
13F-HR 0001398344-25-015412 filed by Granahan Investment 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 1,432,701 sharesChange vs previous 13F -201,865 shares
1% of the 13F portfolio, value $20,100,795.
13F-HR 0001398344-25-009461 filed by Granahan Investment 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 1,634,566 sharesChange vs previous 13F -21,740 shares
0.96% of the 13F portfolio, value $22,916,615.
13F-HR 0001398344-25-002765 filed by Granahan Investment 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 1,656,306 sharesChange vs previous 13F not available
0.91% of the 13F portfolio, value $23,155,158.
13F-HR 0001398344-24-020730 filed by Granahan Investment Management, LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).