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Sumitomo Mitsui Trust Group, Inc.: WDC position timeline

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

Sumitomo Mitsui Trust Group, Inc. held 855,124 WDC shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 855,124 shares
    Change vs previous 13F +18,458 shares

    0.31% of the 13F portfolio, value $546,184,801.

    13F-HR 0001214659-26-009184 filed by Sumitomo Mitsui Trust Group, Inc.
    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 836,666 shares
    Change vs previous 13F -50,393 shares

    0.15% of the 13F portfolio, value $226,309,786.

    13F-HR 0001214659-26-005304 filed by Sumitomo Mitsui Trust Group, Inc.
    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 887,059 shares
    Change vs previous 13F +79,418 shares

    0.09% of the 13F portfolio, value $152,813,654.

    13F-HR 0001214659-26-000765 filed by Sumitomo Mitsui Trust Group, Inc.
    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 807,641 shares
    Change vs previous 13F +7,514 shares

    0.06% of the 13F portfolio, value $96,965,378.

    13F-HR 0001214659-25-015331 filed by Sumitomo Mitsui Trust Group, Inc.
    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 800,127 shares
    Change vs previous 13F +20,458 shares

    0.03% of the 13F portfolio, value $51,200,127.

    13F-HR 0001214659-25-011183 filed by Sumitomo Mitsui Trust Group, 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 779,669 shares
    Change vs previous 13F -62,031 shares

    0.02% of the 13F portfolio, value $31,522,018.

    13F-HR 0001214659-25-006359 filed by Sumitomo Mitsui Trust Group, Inc.
    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 841,700 shares
    Change vs previous 13F +50,188 shares

    0.03% of the 13F portfolio, value $50,190,571.

    13F-HR 0001214659-25-001416 filed by Sumitomo Mitsui Trust Group, Inc.
    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 791,512 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $54,052,354.

    13F-HR 0001214659-24-018417 filed by Sumitomo Mitsui Trust Group, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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