Bluefin Trading, LLC: ZM position timeline

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

Bluefin Trading, LLC held 2,213 ZM shares at 2020-06-30 per its 13F-HR filed 2020-08-17.

the latest 13F is the newest step

period ended2020-06-30
13F 2,213 shares
Change vs previous 13F -1,328 shares
0.05% of the 13F portfolio, value $561,000.
13F-HR 0001085146-20-002327 filed by Bluefin Trading, LLC
Filed 2020-08-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:52:28 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2020-03-31
13F 3,541 shares
Change vs previous 13F not available
0.09% of the 13F portfolio, value $517,000.
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).