Tekla Capital Management LLC: WST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tekla Capital Management LLC on WST, newest first. How the timeline and the estimate are built.

Tekla Capital Management LLC held 15,036 WST shares at 2023-06-30 per its 13F-HR filed 2023-08-10.

the latest 13F is the newest step

period ended2023-06-30
13F 15,036 shares
Change vs previous 13F 0 shares
0.23% of the 13F portfolio, value $5,750,819.
13F-HR 0001104659-23-089542 filed by Tekla Capital Management LLC
Filed 2023-08-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:31:37 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2023-03-31
13F 15,036 shares
Change vs previous 13F +15,036 shares
0.2% of the 13F portfolio, value $5,209,523.
13F-HR 0001104659-23-057966 filed by Tekla Capital Management LLC
Filed 2023-05-10 (acceptance time not in the bulk data set), ingested 2026-10-07 18:32:36 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-12-31
13F 0 shares
Change vs previous 13F -6,240 shares
13F-HR 0001104659-22-022738 filed by Tekla Capital Management LLC
Filed 2022-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:36:54 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2021-09-30
13F 6,240 shares
Change vs previous 13F not available
0.09% of the 13F portfolio, value $2,649,000.
13F-HR 0001104659-21-137799 filed by Tekla Capital Management LLC
Filed 2021-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:37:51 UTC
Acceptance time not in the bulk data set (spec §4.2).