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GAMCO Investors (Gabelli): IMAX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on IMAX, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 143,000 IMAX 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 143,000 shares
    Change vs previous 13F +15,000 shares

    0.02% of the 13F portfolio, value $5,699,980.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 56,000 shares
    • GABELLI FUNDS LLC: 87,000 shares

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

  2. period ended2026-03-31
    13F 128,000 shares
    Change vs previous 13F -6,800 shares

    0.02% of the 13F portfolio, value $4,865,280.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 56,000 shares
    • GABELLI FUNDS LLC: 72,000 shares

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

  3. period ended2025-12-31
    13F 134,800 shares
    Change vs previous 13F -15,482 shares

    0.02% of the 13F portfolio, value $4,982,208.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 57,800 shares
    • GABELLI FUNDS LLC: 77,000 shares

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

  4. period ended2025-09-30
    13F 150,282 shares
    Change vs previous 13F -500 shares

    0.02% of the 13F portfolio, value $4,921,736.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 57,800 shares
    • GABELLI FUNDS LLC: 92,482 shares

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

  5. period ended2025-06-30
    13F 150,782 shares
    Change vs previous 13F +68,682 shares

    0.02% of the 13F portfolio, value $4,215,865.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 58,300 shares
    • GABELLI FUNDS LLC: 92,482 shares

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

  6. period ended2025-03-31
    13F 82,100 shares
    Change vs previous 13F -700 shares

    0.01% of the 13F portfolio, value $2,163,335.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 60,100 shares
    • GABELLI FUNDS LLC: 22,000 shares

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

  7. period ended2024-12-31
    13F 82,800 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $2,119,680.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 60,800 shares
    • GABELLI FUNDS LLC: 22,000 shares

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

  8. period ended2024-09-30
    13F 82,800 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,698,228.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 60,800 shares
    • GABELLI FUNDS LLC: 22,000 shares

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