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Disclosery

National Pension Service: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of National Pension Service on MAS, newest first. How the timeline and the estimate are built.

National Pension Service held 61,285 MAS 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 61,285 shares
    Change vs previous 13F +1,317 shares

    <0.01% of the 13F portfolio, value $4,986,760.

    13F-HR 0001193125-26-347818 filed by National Pension Service
    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 59,968 shares
    Change vs previous 13F -82,588 shares

    <0.01% of the 13F portfolio, value $3,620,268.

    13F-HR 0001193125-26-217663 filed by National Pension Service
    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 142,556 shares
    Change vs previous 13F +31,700 shares

    0.01% of the 13F portfolio, value $9,046,604.

    13F-HR 0001608046-26-000001 filed by National Pension Service
    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 110,856 shares
    Change vs previous 13F +30,617 shares

    0.01% of the 13F portfolio, value $7,803,154.

    13F-HR 0001608046-25-000018 filed by National Pension Service
    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 80,239 shares
    Change vs previous 13F +2,754 shares

    <0.01% of the 13F portfolio, value $5,164,182.

    13F-HR 0001608046-25-000017 filed by National Pension Service
    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 77,485 shares
    Change vs previous 13F -325,092 shares

    0.01% of the 13F portfolio, value $5,388,307.

    13F-HR 0001608046-25-000007 filed by National Pension Service
    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 402,577 shares
    Change vs previous 13F -42,882 shares

    0.03% of the 13F portfolio, value $29,215,013.

    13F-HR 0001608046-25-000001 filed by National Pension Service
    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 445,459 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $37,391,828.

    13F-HR 0001608046-24-000012 filed by National Pension Service
    Filed (acceptance time not in the bulk data set), ingested

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