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GATEWAY INVESTMENT ADVISERS LLC: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GATEWAY INVESTMENT ADVISERS LLC on MAS, newest first. How the timeline and the estimate are built.

GATEWAY INVESTMENT ADVISERS LLC held 12,065 MAS shares at 2026-09-30 per its 13F-HR filed 2026-10-13.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 12,065 shares
    Change vs previous 13F -916 shares

    0.01% of the 13F portfolio, value $813,181.

    13F-HR 0001114618-26-000006 filed by GATEWAY INVESTMENT ADVISERS LLC
    Accepted , ingested

  2. period ended2026-06-30
    13F 12,981 shares
    Change vs previous 13F +9,251 shares

    0.01% of the 13F portfolio, value $1,056,264.

    13F-HR 0001114618-26-000003 filed by GATEWAY INVESTMENT ADVISERS LLC
    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 3,730 shares
    Change vs previous 13F -42,645 shares

    <0.01% of the 13F portfolio, value $225,180.

    13F-HR 0001114618-26-000002 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 46,375 shares
    Change vs previous 13F +2,134 shares

    0.03% of the 13F portfolio, value $2,942,958.

    13F-HR 0001114618-26-000001 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 44,241 shares
    Change vs previous 13F +143 shares

    0.03% of the 13F portfolio, value $3,114,124.

    13F-HR 0001114618-25-000004 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 44,098 shares
    Change vs previous 13F -82 shares

    0.03% of the 13F portfolio, value $2,838,147.

    13F-HR 0001085146-25-003612 filed by GATEWAY INVESTMENT ADVISERS LLC
    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 44,180 shares
    Change vs previous 13F -50 shares

    0.04% of the 13F portfolio, value $3,072,277.

    13F-HR 0001085146-25-002069 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 44,230 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $3,209,771.

    13F-HR 0001085146-25-000192 filed by GATEWAY INVESTMENT ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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