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MILLENNIUM MANAGEMENT LLC: ARCC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MILLENNIUM MANAGEMENT LLC on ARCC, newest first. How the timeline and the estimate are built.

MILLENNIUM MANAGEMENT LLC held 141,770 ARCC 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 141,770 shares
    Change vs previous 13F -321,270 shares

    <0.01% of the 13F portfolio, value $2,626,998.

    13F-HR 0001273087-26-000007 filed by MILLENNIUM MANAGEMENT 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 463,040 shares
    Change vs previous 13F -426,580 shares

    0.01% of the 13F portfolio, value $8,343,981.

    13F-HR 0001273087-26-000004 filed by MILLENNIUM MANAGEMENT LLC
    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 889,620 shares
    Change vs previous 13F +222,424 shares

    0.01% of the 13F portfolio, value $17,997,013.

    13F-HR 0001273087-26-000002 filed by MILLENNIUM MANAGEMENT LLC
    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 667,196 shares
    Change vs previous 13F +578,777 shares

    0.01% of the 13F portfolio, value $13,617,470.

    13F-HR 0001273087-25-000034 filed by MILLENNIUM MANAGEMENT LLC
    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 88,419 shares
    Change vs previous 13F -1,744 shares

    <0.01% of the 13F portfolio, value $1,941,681.

    13F-HR 0001273087-25-000028 filed by MILLENNIUM MANAGEMENT LLC
    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 90,163 shares
    Change vs previous 13F -89,397 shares

    <0.01% of the 13F portfolio, value $1,998,012.

    13F-HR 0001273087-25-000019 filed by MILLENNIUM MANAGEMENT LLC
    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 179,560 shares
    Change vs previous 13F +125,583 shares

    <0.01% of the 13F portfolio, value $3,930,568.

    13F-HR 0001273087-25-000015 filed by MILLENNIUM MANAGEMENT LLC
    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 53,977 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,130,278.

    13F-HR 0001273087-24-000118 filed by MILLENNIUM MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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