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Rakuten Group, Inc.: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Rakuten Group, Inc. on BIIB, newest first. How the timeline and the estimate are built.

Rakuten Group, Inc. held 24,112 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-18.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 24,112 shares
    Change vs previous 13F +2,312 shares

    0.01% of the 13F portfolio, value $5,223,374.

    13F-HR 0000898432-26-000671 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 15 shares
    • Rakuten Investment Management, Inc.: 24,097 shares

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

  2. period ended2026-03-31
    13F 21,800 shares
    Change vs previous 13F +2,478 shares

    0.01% of the 13F portfolio, value $4,088,932.

    13F-HR 0000898432-26-000355 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 22 shares
    • Rakuten Investment Management, Inc.: 21,778 shares

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

  3. period ended2025-12-31
    13F 19,322 shares
    Change vs previous 13F -179,299 shares

    0.01% of the 13F portfolio, value $3,416,686.

    13F-HR 0000898432-26-000121 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 27 shares
    • Rakuten Investment Management, Inc.: 19,295 shares

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

  4. period ended2025-09-30
    13F 198,621 shares
    Change vs previous 13F +198,442 shares

    0.35% of the 13F portfolio, value $99,143,935.

    13F-HR 0000898432-25-000856 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 49 shares
    • Rakuten Investment Management, Inc.: 198,572 shares

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

  5. period ended2025-06-30
    13F/A 179 shares
    Change vs previous 13F +92 shares

    0.01% of the 13F portfolio, value $22,481.

    13F-HR/A 0002009539-25-000010 filed by Rakuten Securities, Inc.
    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 87 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $11,905.

    13F-HR 0002009539-25-000004 filed by Rakuten Securities, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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