Bluefin Trading, LLC: CI position timeline

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

Bluefin Trading, LLC held 0 CI shares at 2020-03-31 per its 13F-HR filed 2020-05-15.

the latest 13F is the newest step

period ended2020-03-31
13F 0 shares
Change vs previous 13F -26,041 shares
13F-HR 0001085146-20-001540 filed by Bluefin Trading, LLC
Filed 2020-05-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:53:21 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2019-12-31
13F 26,041 shares
Change vs previous 13F +26,041 shares
0.39% of the 13F portfolio, value $5,325,000.
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).
period ended2019-03-31
13F 0 shares
Change vs previous 13F -142,982 shares
13F-HR 0001085146-19-001679 filed by Bluefin Trading, LLC
Filed 2019-05-16 (acceptance time not in the bulk data set), ingested 2026-10-07 18:56:23 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2018-12-31
13F 142,982 shares
Change vs previous 13F not available
3.18% of the 13F portfolio, value $27,156,000.
13F-HR 0001085146-19-000952 filed by Bluefin Trading, LLC
Filed 2019-02-15 (acceptance time not in the bulk data set), ingested 2026-10-07 19:02:51 UTC
Acceptance time not in the bulk data set (spec §4.2).