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DUDLEY & SHANLEY, INC.: A position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DUDLEY & SHANLEY, INC. on A, newest first. How the timeline and the estimate are built.

DUDLEY & SHANLEY, INC. held 64,550 A shares at 2026-09-30 per its 13F-HR filed 2026-10-06.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 64,550 shares
    Change vs previous 13F -4,950 shares

    1.77% of the 13F portfolio, value $11,122,610.

    13F-HR 0000883511-26-000006 filed by DUDLEY & SHANLEY, INC.
    Accepted , ingested

  2. period ended2026-06-30
    13F 69,500 shares
    Change vs previous 13F +14,300 shares

    1.39% of the 13F portfolio, value $9,231,685.

    13F-HR 0000883511-26-000003 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 55,200 shares
    Change vs previous 13F 0 shares

    1.03% of the 13F portfolio, value $6,291,696.

    13F-HR 0000883511-26-000002 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 55,200 shares
    Change vs previous 13F 0 shares

    1.21% of the 13F portfolio, value $7,511,064.

    13F-HR 0000883511-26-000001 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 55,200 shares
    Change vs previous 13F 0 shares

    1.14% of the 13F portfolio, value $7,084,920.

    13F-HR 0000883511-25-000008 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 55,200 shares
    Change vs previous 13F +6,000 shares

    1.02% of the 13F portfolio, value $6,514,152.

    13F-HR 0000883511-25-000006 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 49,200 shares
    Change vs previous 13F 0 shares

    0.91% of the 13F portfolio, value $5,755,416.

    13F-HR 0000883511-25-000005 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 49,200 shares
    Change vs previous 13F not available

    1.02% of the 13F portfolio, value $6,609,528.

    13F-HR 0000883511-25-000001 filed by DUDLEY & SHANLEY, INC.
    Filed (acceptance time not in the bulk data set), ingested

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