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MASON STREET ADVISORS, LLC: SPSM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MASON STREET ADVISORS, LLC on SPSM, newest first. How the timeline and the estimate are built.

MASON STREET ADVISORS, LLC held 1,379,248 SPSM shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,379,248 shares
    Change vs previous 13F +52,825 shares

    7.17% of the 13F portfolio, value $79,541,232.

    13F-HR 0001167711-26-000005 filed by MASON STREET ADVISORS, 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 1,326,423 shares
    Change vs previous 13F +32,543 shares

    6.26% of the 13F portfolio, value $64,092,759.

    13F-HR 0001167711-26-000004 filed by MASON STREET ADVISORS, 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 1,293,880 shares
    Change vs previous 13F +130,180 shares

    5.97% of the 13F portfolio, value $60,631,217.

    13F-HR 0001167711-26-000001 filed by MASON STREET ADVISORS, 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 1,163,700 shares
    Change vs previous 13F +74,900 shares

    5.59% of the 13F portfolio, value $53,902,584.

    13F-HR 0001167711-25-000006 filed by MASON STREET ADVISORS, 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 1,088,800 shares
    Change vs previous 13F +235,300 shares

    5.43% of the 13F portfolio, value $46,382,880.

    13F-HR 0001085146-25-004732 filed by MASON STREET ADVISORS, 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 853,500 shares
    Change vs previous 13F 0 shares

    4.43% of the 13F portfolio, value $34,788,660.

    13F-HR 0001085146-25-003071 filed by MASON STREET ADVISORS, 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 853,500 shares
    Change vs previous 13F +112,800 shares

    4.96% of the 13F portfolio, value $38,339,220.

    13F-HR 0001085146-25-000945 filed by MASON STREET ADVISORS, 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 740,700 shares
    Change vs previous 13F not available

    4.09% of the 13F portfolio, value $33,709,257.

    13F-HR 0001085146-24-005522 filed by MASON STREET ADVISORS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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