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BlackRock, Inc.: VIAV position timeline

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

BlackRock, Inc. held 25,728,357 VIAV shares at 2026-06-30 per its 13F-HR filed 2026-08-07, and reported 24,923,503 shares, 10.1%, in a 13G/A filed 2026-10-05.

Estimated current stake: 24,923,503 shares, 10.1% of the class

Estimated from 13G/A of 2026-10-05. As of 2026-09-30, 13G/A 0002012383-26-003337.

Shares are the reporting group's aggregate and may include entities that do not file a 13F.

Percent of portfolio stays on the 13F for 2026-06-30.

  1. event date2026-09-30
    13G/A 24,923,503 shares
    Share basis changed not comparable

    10.1% of the class. Different basis (group aggregate from 13G/A).

    13G/A 0002012383-26-003337 filed by BlackRock, Inc.
    Accepted , ingested

    A 13D/G states the aggregate of its reporting persons, which may include entities that do not file a 13F.

  2. period ended2026-06-30
    13F 25,728,357 shares
    Change vs previous 13F -9,509,250 shares

    0.02% of the 13F portfolio, value $1,228,529,045.

    13F-HR 0002012383-26-003238 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 35,237,607 shares
    Change vs previous 13F +1,996,642 shares

    0.02% of the 13F portfolio, value $1,172,707,561.

    13F-HR 0002012383-26-001841 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 33,240,965 shares
    Change vs previous 13F +670,671 shares

    0.01% of the 13F portfolio, value $592,353,997.

    13F-HR 0002012383-26-000920 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 32,570,294 shares
    Change vs previous 13F -488,905 shares

    0.01% of the 13F portfolio, value $413,317,031.

    13F-HR 0002012383-25-002949 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 33,059,199 shares
    Change vs previous 13F -1,330,422 shares

    0.01% of the 13F portfolio, value $332,906,135.

    13F-HR 0001060021-25-000120 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 34,389,621 shares
    Change vs previous 13F -1,154,760 shares

    0.01% of the 13F portfolio, value $384,819,860.

    13F-HR 0001576419-25-000869 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 35,544,381 shares
    Change vs previous 13F +646,002 shares

    0.01% of the 13F portfolio, value $358,998,248.

    13F-HR 0001060021-25-000002 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  9. period ended2024-09-30
    13F 34,898,379 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $314,783,379.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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