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Disclosery

Janus Henderson: BX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Janus Henderson on BX, newest first. How the timeline and the estimate are built.

Janus Henderson held 1,882,354 BX shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,882,354 shares
    Share basis changed not comparable

    Membership change: Jupiter Topco LLC joined the group. 0.09% of the 13F portfolio, value $221,478,394.

    13F-HR 0001085146-26-000611 filed by Jupiter Topco LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F/A 4,466,274 shares
    Change vs previous 13F -3,786,019 shares

    0.24% of the 13F portfolio, value $509,073,900.

    13F-HR/A 0001085146-26-000420 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 8,252,293 shares
    Change vs previous 13F +19,429 shares

    0.56% of the 13F portfolio, value $1,259,169,485.

    13F-HR 0001085146-26-000226 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 8,232,864 shares
    Change vs previous 13F +1,788,875 shares

    0.64% of the 13F portfolio, value $1,406,570,490.

    13F-HR 0001085146-25-005993 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 6,443,989 shares
    Change vs previous 13F +1,340,874 shares

    0.47% of the 13F portfolio, value $963,890,827.

    13F-HR 0001085146-25-005104 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 5,103,115 shares
    Change vs previous 13F +516,089 shares

    0.39% of the 13F portfolio, value $704,892,655.

    13F-HR 0001085146-25-003208 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 4,587,026 shares
    Change vs previous 13F -31,964 shares

    0.4% of the 13F portfolio, value $790,878,015.

    13F-HR 0001085146-25-001531 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 4,618,990 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $707,302,098.

    13F-HR 0001085146-24-005765 filed by JANUS HENDERSON GROUP PLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).