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Investment Management Corp of Ontario: MAS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Investment Management Corp of Ontario on MAS, newest first. How the timeline and the estimate are built.

Investment Management Corp of Ontario held 12,916 MAS shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,916 shares
    Change vs previous 13F -1,900 shares

    0.01% of the 13F portfolio, value $1,050,975.

    13F-HR 0001999371-26-018010 filed by Investment Management Corp of Ontario
    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 14,816 shares
    Change vs previous 13F -11,282 shares

    0.01% of the 13F portfolio, value $894,442.

    13F-HR 0001999371-26-010874 filed by Investment Management Corp of Ontario
    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 26,098 shares
    Change vs previous 13F +4,307 shares

    0.02% of the 13F portfolio, value $1,656,179.

    13F-HR 0001999371-26-003507 filed by Investment Management Corp of Ontario
    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 21,791 shares
    Change vs previous 13F -898 shares

    0.02% of the 13F portfolio, value $1,533,868.

    13F-HR 0001999371-25-017736 filed by Investment Management Corp of Ontario
    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 22,689 shares
    Change vs previous 13F -28,107 shares

    0.02% of the 13F portfolio, value $1,460,264.

    13F-HR 0001999371-25-011301 filed by Investment Management Corp of Ontario
    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 50,796 shares
    Change vs previous 13F +50,796 shares

    0.07% of the 13F portfolio, value $3,532,354.

    13F-HR 0001999371-25-006258 filed by Investment Management Corp of Ontario
    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 0 shares
    Change vs previous 13F -17,249 shares

    13F-HR 0001839882-25-009247 filed by Investment Management Corp of Ontario
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  8. period ended2024-09-30
    13F 17,249 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $1,447,881.

    13F-HR 0001839882-24-039251 filed by Investment Management Corp of Ontario
    Filed (acceptance time not in the bulk data set), ingested

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