Penbrook Management LLC: POWI position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Penbrook Management LLC on POWI, newest first. How the timeline and the estimate are built.
Penbrook Management LLC held 9,200 POWI shares at 2026-06-30 per its 13F-HR filed 2026-07-23.
the latest 13F is the newest step
- period ended2026-06-3013F 9,200 sharesChange vs previous 13F 0 shares
0.49% of the 13F portfolio, value $770,592.
13F-HR 0001381055-26-000003 filed by Penbrook 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 9,200 sharesChange vs previous 13F 0 shares
0.36% of the 13F portfolio, value $471,040.
13F-HR 0001381055-26-000002 filed by Penbrook 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 9,200 sharesChange vs previous 13F 0 shares
0.23% of the 13F portfolio, value $326,968.
13F-HR 0001381055-26-000001 filed by Penbrook 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 9,200 sharesChange vs previous 13F 0 shares
0.26% of the 13F portfolio, value $369,932.
13F-HR 0001381055-25-000008 filed by Penbrook 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/A 9,200 sharesChange vs previous 13F 0 shares
0.39% of the 13F portfolio, value $514,280.
13F-HR/A 0001381055-25-000006 filed by Penbrook 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 9,200 sharesChange vs previous 13F 0 shares
0.35% of the 13F portfolio, value $464,600.
13F-HR 0001381055-25-000002 filed by Penbrook 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 9,200 sharesChange vs previous 13F 0 shares
0.39% of the 13F portfolio, value $567,640.
13F-HR 0001381055-25-000001 filed by Penbrook 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 9,200 sharesChange vs previous 13F not available
0.38% of the 13F portfolio, value $589,904.
13F-HR 0001381055-24-000005 filed by Penbrook Management LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).