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Mawer Investment Management Ltd.: IBKR position timeline

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

Mawer Investment Management Ltd. held 223,262 IBKR shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 223,262 shares
    Change vs previous 13F -146,220 shares

    0.13% of the 13F portfolio, value $19,432,724.

    13F-HR 0000945621-26-000992 filed by Mawer Investment Management Ltd.
    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 369,482 shares
    Change vs previous 13F -60,336 shares

    0.16% of the 13F portfolio, value $24,781,158.

    13F-HR 0000945621-26-000636 filed by Mawer Investment Management Ltd.
    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 429,818 shares
    Change vs previous 13F -30,978 shares

    0.15% of the 13F portfolio, value $27,641,596.

    13F-HR 0000945621-26-000248 filed by Mawer Investment Management Ltd.
    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 460,796 shares
    Change vs previous 13F +8,748 shares

    0.16% of the 13F portfolio, value $31,707,373.

    13F-HR 0000945621-25-001010 filed by Mawer Investment Management Ltd.
    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 452,048 shares
    Change vs previous 13F +321,197 shares

    0.13% of the 13F portfolio, value $25,047,980.

    13F-HR 0000945621-25-000670 filed by Mawer Investment Management Ltd.
    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 130,851 shares
    Change vs previous 13F +2,853 shares

    0.1% of the 13F portfolio, value $21,667,617.

    13F-HR 0000945621-25-000421 filed by Mawer Investment Management Ltd.
    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 127,998 shares
    Change vs previous 13F +10,941 shares

    0.1% of the 13F portfolio, value $22,613,407.

    13F-HR 0000945621-25-000162 filed by Mawer Investment Management Ltd.
    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 117,057 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $16,313,064.

    13F-HR 0000945621-24-000863 filed by Mawer Investment Management Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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