GSA CAPITAL PARTNERS LLP: AMPY position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GSA CAPITAL PARTNERS LLP on AMPY, newest first. How the timeline and the estimate are built.
GSA CAPITAL PARTNERS LLP held 415,806 AMPY shares at 2026-06-30 per its 13F-HR filed 2026-08-06.
the latest 13F is the newest step
- period ended2026-06-3013F 415,806 sharesChange vs previous 13F +346,018 shares
0.1% of the 13F portfolio, value $1,655,000.
13F-HR 0001362033-26-000006 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 69,788 sharesChange vs previous 13F +69,788 shares
0.03% of the 13F portfolio, value $435,000.
13F-HR 0001362033-26-000005 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 0 sharesChange vs previous 13F -37,313 shares
13F-HR 0001362033-26-000001 filed by GSA CAPITAL PARTNERS LLP
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 ended2025-09-3013F 37,313 sharesChange vs previous 13F +37,313 shares
0.02% of the 13F portfolio, value $196,000.
13F-HR 0001362033-25-000016 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 0 sharesChange vs previous 13F -128,154 shares
13F-HR 0001362033-25-000007 filed by GSA CAPITAL PARTNERS LLP
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 ended2025-03-3113F 128,154 sharesChange vs previous 13F -17,193 shares
0.04% of the 13F portfolio, value $479,000.
13F-HR 0001362033-25-000006 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 145,347 sharesChange vs previous 13F +82,100 shares
0.06% of the 13F portfolio, value $872,000.
13F-HR 0001362033-25-000005 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 63,247 sharesChange vs previous 13F not available
0.03% of the 13F portfolio, value $413,000.
13F-HR 0001362033-24-000011 filed by GSA CAPITAL PARTNERS LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).