ALLIANCEBERNSTEIN L.P.: AMBA position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLIANCEBERNSTEIN L.P. on AMBA, newest first. How the timeline and the estimate are built.
ALLIANCEBERNSTEIN L.P. held 48,344 AMBA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 48,344 sharesChange vs previous 13F +4,086 shares
<0.01% of the 13F portfolio, value $2,488,507.
13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 44,258 sharesChange vs previous 13F -75,021 shares
<0.01% of the 13F portfolio, value $3,135,237.
13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 119,279 sharesChange vs previous 13F +71,512 shares
<0.01% of the 13F portfolio, value $8,449,724.
13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 47,767 sharesChange vs previous 13F -70,697 shares
<0.01% of the 13F portfolio, value $3,941,733.
13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 118,464 sharesChange vs previous 13F -75,546 shares
<0.01% of the 13F portfolio, value $7,826,324.
13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 194,010 sharesChange vs previous 13F +4,775 shares
<0.01% of the 13F portfolio, value $9,764,523.
13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 189,235 sharesChange vs previous 13F +146,729 shares
<0.01% of the 13F portfolio, value $13,764,954.
13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 42,506 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $2,397,551.
13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).