Janus Henderson: BMRN position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on BMRN, newest first. How the timeline and the estimate are built.
Janus Henderson held 755,192 BMRN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 755,192 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. 0.02% of the 13F portfolio, value $43,214,630.
13F-HR 0001085146-26-000611 filed by Jupiter Topco LLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F/A 857,010 sharesChange vs previous 13F +580,680 shares
0.02% of the 13F portfolio, value $48,409,915.
13F-HR/A 0001085146-26-000420 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 276,330 sharesChange vs previous 13F +39,302 shares
0.01% of the 13F portfolio, value $16,423,533.
13F-HR 0001085146-26-000226 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 237,028 sharesChange vs previous 13F +225,592 shares
0.01% of the 13F portfolio, value $12,837,345.
13F-HR 0001085146-25-005993 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 11,436 sharesChange vs previous 13F -480 shares
<0.01% of the 13F portfolio, value $628,351.
13F-HR 0001085146-25-005104 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 11,916 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $850,683.
13F-HR 0001085146-25-003208 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 11,916 sharesChange vs previous 13F -2,135 shares
<0.01% of the 13F portfolio, value $783,001.
13F-HR 0001085146-25-001531 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 14,051 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $987,434.
13F-HR 0001085146-24-005765 filed by JANUS HENDERSON GROUP PLC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).