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

Robeco Institutional Asset Management B.V. held 64,992 MKSI 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 64,992 shares
    Change vs previous 13F +19,392 shares

    0.46% of the 13F portfolio, value $28,908,442.

    13F-HR 0001418427-26-000003 filed by Robeco Schweiz AG
    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 45,600 shares
    Change vs previous 13F -7,030 shares

    0.22% of the 13F portfolio, value $10,479,336.

    13F-HR 0001418427-26-000002 filed by Robeco Schweiz AG
    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 52,630 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $8,410,274.

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

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