Janus Henderson: FLEX position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on FLEX, newest first. How the timeline and the estimate are built.
Janus Henderson held 14,079,718 FLEX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 14,079,718 sharesShare basis changed not comparable
Membership change: Jupiter Topco LLC joined the group. 0.93% of the 13F portfolio, value $2,281,934,833.
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 20,619,740 sharesChange vs previous 13F -1,711,705 shares
0.64% of the 13F portfolio, value $1,349,785,491.
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 22,331,445 sharesChange vs previous 13F -3,978,401 shares
0.6% of the 13F portfolio, value $1,349,248,817.
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 26,309,846 sharesChange vs previous 13F -172,481 shares
0.7% of the 13F portfolio, value $1,525,171,598.
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 26,482,327 sharesChange vs previous 13F +160,902 shares
0.65% of the 13F portfolio, value $1,321,939,614.
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 26,321,425 sharesChange vs previous 13F -163,851 shares
0.48% of the 13F portfolio, value $873,404,114.
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 26,485,276 sharesChange vs previous 13F -388,868 shares
0.52% of the 13F portfolio, value $1,016,813,728.
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 26,874,144 sharesChange vs previous 13F not available
0.46% of the 13F portfolio, value $898,388,720.
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).