Platinum Grove Asset Management, LP: IBM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Platinum Grove Asset Management, LP on IBM, newest first. How the timeline and the estimate are built.

Platinum Grove Asset Management, LP held 1,642 IBM shares at 2013-09-30 per its 13F-HR filed 2013-11-13.

the latest 13F is the newest step

period ended2013-09-30
13F 1,642 shares
Change vs previous 13F +474 shares
1.64% of the 13F portfolio, value $304,000.
13F-HR 0000950123-13-009219 filed by Platinum Grove Asset Management, LP
Filed 2013-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 20:02:22 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2013-06-30
13F 1,168 shares
Change vs previous 13F not available
2.71% of the 13F portfolio, value $223,000.
13F-HR 0000950123-13-006169 filed by Platinum Grove Asset Management, LP
Filed 2013-08-13 (acceptance time not in the bulk data set), ingested 2026-10-06 09:59:42 UTC
Acceptance time not in the bulk data set (spec §4.2).