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Mason Investment Advisory Services, Inc.: VSS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Mason Investment Advisory Services, Inc. on VSS, newest first. How the timeline and the estimate are built.

Mason Investment Advisory Services, Inc. held 1,902,746 VSS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,902,746 shares
    Change vs previous 13F -2,468 shares

    11.17% of the 13F portfolio, value $293,574,653.

    13F-HR 0001140361-26-032728 filed by Mason Investment Advisory Services, 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 1,905,214 shares
    Change vs previous 13F -32,484 shares

    12.83% of the 13F portfolio, value $277,761,128.

    13F-HR 0001140361-26-021278 filed by Mason Investment Advisory Services, 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 1,937,698 shares
    Change vs previous 13F +39,350 shares

    13.18% of the 13F portfolio, value $277,730,193.

    13F-HR 0001140361-26-004973 filed by Mason Investment Advisory Services, 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 1,898,348 shares
    Change vs previous 13F -37,820 shares

    13.48% of the 13F portfolio, value $270,609,528.

    13F-HR 0001140361-25-041541 filed by Mason Investment Advisory Services, 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 1,936,168 shares
    Change vs previous 13F +1,038 shares

    14.19% of the 13F portfolio, value $260,201,574.

    13F-HR 0001140361-25-028811 filed by Mason Investment Advisory Services, 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 1,935,130 shares
    Change vs previous 13F +6,136 shares

    13.5% of the 13F portfolio, value $223,700,998.

    13F-HR 0001140361-25-016854 filed by Mason Investment Advisory Services, 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 1,928,994 shares
    Change vs previous 13F +72,746 shares

    12.95% of the 13F portfolio, value $220,831,181.

    13F-HR 0001140361-25-003388 filed by Mason Investment Advisory Services, 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 1,856,248 shares
    Change vs previous 13F not available

    13.66% of the 13F portfolio, value $233,812,985.

    13F-HR 0001140361-24-046076 filed by Mason Investment Advisory Services, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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