TWINBEECH CAPITAL LP: ACM position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of TWINBEECH CAPITAL LP on ACM, newest first. How the timeline and the estimate are built.
TWINBEECH CAPITAL LP held 67,447 ACM shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 67,447 sharesChange vs previous 13F +67,447 shares
0.85% of the 13F portfolio, value $4,707,801.
13F-HR 0001214659-26-010391 filed by TWINBEECH CAPITAL LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 0 sharesChange vs previous 13F -104,809 shares
13F-HR 0001214659-26-006477 filed by TWINBEECH CAPITAL LP
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 ended2025-12-3113F 104,809 sharesChange vs previous 13F +104,809 shares
0.71% of the 13F portfolio, value $9,991,442.
13F-HR 0001214659-26-001991 filed by TWINBEECH CAPITAL LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 0 sharesChange vs previous 13F -4,208 shares
13F-HR 0001214659-25-016644 filed by TWINBEECH CAPITAL LP
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 ended2025-06-3013F 4,208 sharesChange vs previous 13F -20,332 shares
0.01% of the 13F portfolio, value $474,915.
13F-HR 0001214659-25-012237 filed by TWINBEECH CAPITAL LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 24,540 sharesChange vs previous 13F not available
0.04% of the 13F portfolio, value $2,275,594.
13F-HR 0001214659-25-007843 filed by TWINBEECH CAPITAL LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).