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COOKE & BIELER LP: AER position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COOKE & BIELER LP on AER, newest first. How the timeline and the estimate are built.

COOKE & BIELER LP held 927,931 AER shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 927,931 shares
    Change vs previous 13F -8,391 shares

    1.56% of the 13F portfolio, value $135,273,781.

    13F-HR 0000024386-26-000006 filed by COOKE & BIELER LP
    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 936,322 shares
    Change vs previous 13F -107,761 shares

    1.45% of the 13F portfolio, value $128,444,652.

    13F-HR 0000024386-26-000005 filed by COOKE & BIELER LP
    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 1,044,083 shares
    Change vs previous 13F -1,257,050 shares

    1.57% of the 13F portfolio, value $150,097,372.

    13F-HR 0000024386-26-000002 filed by COOKE & BIELER LP
    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 2,301,133 shares
    Change vs previous 13F -243,973 shares

    2.88% of the 13F portfolio, value $278,437,093.

    13F-HR 0000024386-25-000009 filed by COOKE & BIELER LP
    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 2,545,106 shares
    Change vs previous 13F -327,013 shares

    2.98% of the 13F portfolio, value $297,777,402.

    13F-HR 0000024386-25-000004 filed by COOKE & BIELER LP
    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 2,872,119 shares
    Change vs previous 13F -62,066 shares

    2.94% of the 13F portfolio, value $293,444,398.

    13F-HR 0000024386-25-000003 filed by COOKE & BIELER LP
    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 2,934,185 shares
    Change vs previous 13F +86,548 shares

    2.71% of the 13F portfolio, value $280,801,505.

    13F-HR 0000024386-25-000001 filed by COOKE & BIELER LP
    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 2,847,637 shares
    Change vs previous 13F not available

    2.45% of the 13F portfolio, value $269,728,177.

    13F-HR 0000024386-24-000014 filed by COOKE & BIELER LP
    Filed (acceptance time not in the bulk data set), ingested

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