MILLENNIUM MANAGEMENT LLC: AMSF position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MILLENNIUM MANAGEMENT LLC on AMSF, newest first. How the timeline and the estimate are built.
MILLENNIUM MANAGEMENT LLC held 49,500 AMSF shares at 2026-06-30 per its 13F-HR filed 2026-08-14, and reported 951,465 shares, 5.1%, in a 13G filed 2026-09-30.
Estimated current stake: 951,465 shares, 5.1% of the class
Estimated from 13G of 2026-09-30. As of 2026-09-23, 13G 0001104659-26-112432.
Shares are the reporting group's aggregate and may include entities that do not file a 13F.
Percent of portfolio stays on the 13F for 2026-06-30.
- event date2026-09-2313G 951,465 sharesShare basis changed not comparable
5.1% of the class. Different basis (group aggregate from 13G).
13G 0001104659-26-112432 filed by MILLENNIUM MANAGEMENT LLC
Accepted , ingestedA 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.
- period ended2026-06-3013F 49,500 sharesChange vs previous 13F -73,302 shares
<0.01% of the 13F portfolio, value $1,674,585.
13F-HR 0001273087-26-000007 filed by MILLENNIUM 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 122,802 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $4,092,991.
13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).