WELLINGTON MANAGEMENT GROUP LLP: MPWR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of WELLINGTON MANAGEMENT GROUP LLP on MPWR, newest first. How the timeline and the estimate are built.
WELLINGTON MANAGEMENT GROUP LLP held 72,001 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 72,001 sharesChange vs previous 13F -178,510 shares
0.02% of the 13F portfolio, value $99,531,302.
13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP 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 250,511 sharesChange vs previous 13F -134,259 shares
0.05% of the 13F portfolio, value $273,896,201.
13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP 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 384,770 sharesChange vs previous 13F -68,168 shares
0.06% of the 13F portfolio, value $348,740,137.
13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 452,938 sharesChange vs previous 13F -250,213 shares
0.07% of the 13F portfolio, value $416,992,839.
13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP 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 703,151 sharesChange vs previous 13F -58,755 shares
0.09% of the 13F portfolio, value $514,270,578.
13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 761,906 sharesChange vs previous 13F -91,123 shares
0.09% of the 13F portfolio, value $441,890,242.
13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP 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/A 853,029 sharesChange vs previous 13F -251,196 shares
0.09% of the 13F portfolio, value $504,737,260.
13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP 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 1,104,225 sharesChange vs previous 13F not available
0.18% of the 13F portfolio, value $1,020,856,014.
13F-HR 0000902219-24-000498 filed by WELLINGTON MANAGEMENT GROUP LLP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).