Janus Henderson: ATR position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on ATR, newest first. How the timeline and the estimate are built.
Janus Henderson held 89,526 ATR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 89,526 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. <0.01% of the 13F portfolio, value $11,210,425.
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 30,127 sharesChange vs previous 13F +1,800 shares
<0.01% of the 13F portfolio, value $3,799,467.
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 28,327 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $3,454,053.
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 28,327 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $3,786,328.
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 28,327 sharesChange vs previous 13F -1,200 shares
<0.01% of the 13F portfolio, value $4,429,918.
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 29,527 sharesChange vs previous 13F 0 shares
<0.01% of the 13F portfolio, value $4,335,007.
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 29,527 sharesChange vs previous 13F +800 shares
<0.01% of the 13F portfolio, value $4,633,229.
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 28,727 sharesChange vs previous 13F not available
<0.01% of the 13F portfolio, value $4,599,911.
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).