Bluefin Trading, LLC: FISK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Bluefin Trading, LLC on FISK, newest first. How the timeline and the estimate are built.

Bluefin Trading, LLC held 0 FISK shares at 2019-12-31 per its 13F-HR filed 2020-02-14.

the latest 13F is the newest step

period ended2019-12-31
13F 0 shares
Change vs previous 13F -25,290 shares
13F-HR 0001085146-20-000882 filed by Bluefin Trading, LLC
Filed 2020-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:54:20 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2019-09-30
13F 25,290 shares
Change vs previous 13F not available
0.06% of the 13F portfolio, value $358,000.
13F-HR 0001085146-19-003024 filed by Bluefin Trading, LLC
Filed 2019-11-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:55:06 UTC
Acceptance time not in the bulk data set (spec §4.2).