Assenagon Asset Management S.A.: MASI position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Assenagon Asset Management S.A. on MASI, newest first. How the timeline and the estimate are built.
Assenagon Asset Management S.A. held 0 MASI shares at 2026-03-31 per its 13F-HR filed 2026-04-20.
the latest 13F is the newest step
- period ended2026-03-3113F 0 sharesChange vs previous 13F -53,525 shares
13F-HR 0001546007-26-000003 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
- period ended2025-12-3113F 53,525 sharesChange vs previous 13F +51,068 shares
0.01% of the 13F portfolio, value $6,961,462.
13F-HR 0001546007-26-000002 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 2,457 sharesChange vs previous 13F -568 shares
<0.01% of the 13F portfolio, value $362,530.
13F-HR 0001546007-25-000008 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 3,025 sharesChange vs previous 13F -1,354 shares
<0.01% of the 13F portfolio, value $508,866.
13F-HR 0001546007-25-000005 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 4,379 sharesChange vs previous 13F -211,672 shares
<0.01% of the 13F portfolio, value $729,541.
13F-HR 0001546007-25-000003 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 216,051 sharesChange vs previous 13F +194,788 shares
0.06% of the 13F portfolio, value $35,713,230.
13F-HR 0001546007-25-000002 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 21,263 sharesChange vs previous 13F not available
0.01% of the 13F portfolio, value $2,834,996.
13F-HR 0001546007-24-000010 filed by Assenagon Asset Management S.A.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).