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Robeco Institutional Asset Management B.V.: ZWS 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 ZWS, newest first. How the timeline and the estimate are built.

Robeco Institutional Asset Management B.V. held 29,580 ZWS shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,580 shares
    Change vs previous 13F +4,900 shares

    <0.01% of the 13F portfolio, value $1,494,678.

    13F-HR 0001418773-26-000003 filed by Robeco Institutional Asset Management B.V.
    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 24,680 shares
    Change vs previous 13F +639 shares

    <0.01% of the 13F portfolio, value $1,106,650.

    13F-HR 0001418773-26-000002 filed by Robeco Institutional Asset Management B.V.
    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 24,041 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,117,666.

    13F-HR 0001418773-26-000001 filed by Robeco Institutional Asset Management B.V.
    Filed (acceptance time not in the bulk data set), ingested

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