IRONWOOD INVESTMENT MANAGEMENT LLC: ASPN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of IRONWOOD INVESTMENT MANAGEMENT LLC on ASPN, newest first. How the timeline and the estimate are built.
IRONWOOD INVESTMENT MANAGEMENT LLC held 179,301 ASPN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 179,301 sharesChange vs previous 13F +12,655 shares
0.39% of the 13F portfolio, value $1,136,768.
13F-HR 0001376474-26-000566 filed by IRONWOOD 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 166,646 sharesChange vs previous 13F +39,186 shares
0.24% of the 13F portfolio, value $569,929.
13F-HR 0001376474-26-000378 filed by IRONWOOD 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 127,460 sharesChange vs previous 13F -6,902 shares
0.15% of the 13F portfolio, value $360,712.
13F-HR 0001376474-26-000161 filed by IRONWOOD 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 134,362 sharesChange vs previous 13F +10,038 shares
0.41% of the 13F portfolio, value $935,160.
13F-HR 0001376474-25-000926 filed by IRONWOOD 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 124,324 sharesChange vs previous 13F not available
0.36% of the 13F portfolio, value $735,998.
13F-HR 0001376474-25-000744 filed by IRONWOOD INVESTMENT MANAGEMENT LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).