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Disclosery

DUDLEY & SHANLEY, INC.: RYAN position timeline

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

DUDLEY & SHANLEY, INC. held 465,889 RYAN 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 465,889 shares
    Change vs previous 13F +743 shares

    2.74% of the 13F portfolio, value $17,237,893.

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

  2. period ended2026-06-30
    13F 465,146 shares
    Change vs previous 13F -14,875 shares

    2.65% of the 13F portfolio, value $17,563,913.

    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 480,021 shares
    Change vs previous 13F +2,350 shares

    2.65% of the 13F portfolio, value $16,195,909.

    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 477,671 shares
    Change vs previous 13F +15,750 shares

    3.96% of the 13F portfolio, value $24,662,154.

    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 461,921 shares
    Change vs previous 13F -150 shares

    4.19% of the 13F portfolio, value $26,033,868.

    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 462,071 shares
    Change vs previous 13F +690 shares

    4.93% of the 13F portfolio, value $31,416,207.

    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 461,381 shares
    Change vs previous 13F 0 shares

    5.37% of the 13F portfolio, value $34,082,214.

    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 461,381 shares
    Change vs previous 13F not available

    4.57% of the 13F portfolio, value $29,602,205.

    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).