Granahan Investment Management, LLC: SPIR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Granahan Investment Management, LLC on SPIR, newest first. How the timeline and the estimate are built.
Granahan Investment Management, LLC held 159,131 SPIR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 159,131 sharesChange vs previous 13F +159,131 shares
0.11% of the 13F portfolio, value $2,959,837.
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 ended2025-09-3013F 0 sharesChange vs previous 13F -282,333 shares
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).
Exited: the 13F for this period no longer lists the position.
- period ended2025-06-3013F 282,333 sharesChange vs previous 13F -856,842 shares
0.14% of the 13F portfolio, value $3,359,763.
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 1,139,175 sharesChange vs previous 13F +1,013,106 shares
0.46% of the 13F portfolio, value $9,215,926.
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 126,069 sharesChange vs previous 13F not available
0.07% of the 13F portfolio, value $1,773,791.
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).