MARXE AUSTIN W & GREENHOUSE DAVID M: PSIX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MARXE AUSTIN W & GREENHOUSE DAVID M on PSIX, newest first. How the timeline and the estimate are built.

MARXE AUSTIN W & GREENHOUSE DAVID M held 0 PSIX shares at 2014-03-31 per its 13F-HR filed 2014-05-14.

the latest 13F is the newest step

period ended2014-03-31
13F 0 shares
Change vs previous 13F -38,159 shares
13F-HR 0001044321-14-000078 filed by MARXE AUSTIN W & GREENHOUSE DAVID M
Filed 2014-05-14 (acceptance time not in the bulk data set), ingested 2026-10-07 19:42:28 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2013-12-31
13F 38,159 shares
Change vs previous 13F -76,445 shares
0.31% of the 13F portfolio, value $2,866,000.
13F-HR 0001044321-14-000025 filed by MARXE AUSTIN W & GREENHOUSE DAVID M
Filed 2014-02-06 (acceptance time not in the bulk data set), ingested 2026-10-07 19:53:46 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2013-09-30
13F 114,604 shares
Change vs previous 13F -281,893 shares
0.83% of the 13F portfolio, value $6,775,000.
13F-HR 0001044321-13-000155 filed by MARXE AUSTIN W & GREENHOUSE DAVID M
Filed 2013-11-08 (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 396,497 shares
Change vs previous 13F not available
1.8% of the 13F portfolio, value $13,318,000.
13F-HR 0001044321-13-000105 filed by MARXE AUSTIN W & GREENHOUSE DAVID M
Filed 2013-08-07 (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).