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Disclosery

DUDLEY & SHANLEY, INC.: ECL position timeline

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

DUDLEY & SHANLEY, INC. held 99,043 ECL 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 99,043 shares
    Change vs previous 13F -5,650 shares

    4.32% of the 13F portfolio, value $27,195,227.

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

  2. period ended2026-06-30
    13F 104,693 shares
    Change vs previous 13F -315 shares

    4.4% of the 13F portfolio, value $29,168,517.

    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 105,008 shares
    Change vs previous 13F -50 shares

    4.57% of the 13F portfolio, value $27,934,228.

    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 105,058 shares
    Change vs previous 13F +75 shares

    4.43% of the 13F portfolio, value $27,579,826.

    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 104,983 shares
    Change vs previous 13F 0 shares

    4.63% of the 13F portfolio, value $28,750,644.

    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 104,983 shares
    Change vs previous 13F +120 shares

    4.44% of the 13F portfolio, value $28,286,620.

    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 104,863 shares
    Change vs previous 13F +10 shares

    4.19% of the 13F portfolio, value $26,584,868.

    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 104,853 shares
    Change vs previous 13F not available

    3.79% of the 13F portfolio, value $24,569,155.

    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).