MAC Alpha Capital Management, LP: CLB position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MAC Alpha Capital Management, LP on CLB, newest first. How the timeline and the estimate are built.
MAC Alpha Capital Management, LP held 262,894 CLB shares at 2026-06-30 per its 13F-HR/A filed 2026-09-21.
the latest 13F is the newest step
- period ended2026-06-3013F/A 262,894 sharesChange vs previous 13F -20,302 shares
1.44% of the 13F portfolio, value $3,062,961.
13F-HR/A 0000919574-26-006402 filed by MAC Alpha Capital Management, LP
Accepted , ingested - period ended2026-03-3113F 283,196 sharesChange vs previous 13F -29,732 shares
2.77% of the 13F portfolio, value $4,754,692.
13F-HR 0000919574-26-003319 filed by MAC Alpha Capital Management, LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 312,928 sharesChange vs previous 13F not available
2.76% of the 13F portfolio, value $5,016,148.
13F-HR 0000919574-26-001144 filed by MAC Alpha Capital Management, LP
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).