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Robeco Institutional Asset Management B.V.: WAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Robeco Institutional Asset Management B.V. on WAT, newest first. How the timeline and the estimate are built.

Robeco Institutional Asset Management B.V. held 204,718 WAT shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 204,718 shares
    Change vs previous 13F +18,490 shares

    0.09% of the 13F portfolio, value $76,777,440.

    13F-HR 0001418427-26-000003 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 152,195 shares
    • Robeco Institutional Asset Management B.V.: 52,523 shares

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

  2. period ended2026-03-31
    13F 186,228 shares
    Change vs previous 13F +28,194 shares

    0.07% of the 13F portfolio, value $55,458,700.

    13F-HR 0001418427-26-000002 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 144,872 shares
    • Robeco Institutional Asset Management B.V.: 41,356 shares

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

  3. period ended2025-12-31
    13F 158,034 shares
    Change vs previous 13F -218,786 shares

    0.08% of the 13F portfolio, value $60,026,053.

    13F-HR 0001418427-26-000001 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 132,093 shares
    • Robeco Institutional Asset Management B.V.: 25,941 shares

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

  4. period ended2025-09-30
    13F 376,820 shares
    Change vs previous 13F -324,135 shares

    0.15% of the 13F portfolio, value $112,974,405.

    13F-HR 0001418427-25-000002 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 347,801 shares
    • Robeco Institutional Asset Management B.V.: 29,019 shares

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

  5. period ended2025-06-30
    13F 700,955 shares
    Change vs previous 13F +115,111 shares

    0.37% of the 13F portfolio, value $244,661,332.

    13F-HR 0001085146-25-003972 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 185,460 shares
    • Robeco Institutional Asset Management B.V.: 515,495 shares

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

  6. period ended2025-03-31
    13F 585,844 shares
    Change vs previous 13F -20,995 shares

    0.39% of the 13F portfolio, value $215,924,521.

    13F-HR 0001085146-25-002276 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 142,523 shares
    • Robeco Institutional Asset Management B.V.: 443,321 shares

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

  7. period ended2024-12-31
    13F 606,839 shares
    Change vs previous 13F -6,916 shares

    0.39% of the 13F portfolio, value $225,125,131.

    13F-HR 0001085146-25-000410 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 185,148 shares
    • Robeco Institutional Asset Management B.V.: 421,691 shares

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

  8. period ended2024-09-30
    13F 613,755 shares
    Change vs previous 13F not available

    0.4% of the 13F portfolio, value $220,884,288.

    13F-HR 0001085146-24-005220 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 219,865 shares
    • Robeco Institutional Asset Management B.V.: 393,890 shares

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