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

Robeco Institutional Asset Management B.V. held 3,843,081 TTEK 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 3,843,081 shares
    Change vs previous 13F +848,702 shares

    0.13% of the 13F portfolio, value $111,026,609.

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

    • Robeco Schweiz AG: 3,099,250 shares
    • Robeco Institutional Asset Management B.V.: 743,831 shares

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

  2. period ended2026-03-31
    13F 2,994,379 shares
    Change vs previous 13F -92,629 shares

    0.12% of the 13F portfolio, value $90,190,695.

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

    • Robeco Schweiz AG: 2,287,250 shares
    • Robeco Institutional Asset Management B.V.: 707,129 shares

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

  3. period ended2025-12-31
    13F 3,087,008 shares
    Change vs previous 13F -63,530 shares

    0.14% of the 13F portfolio, value $103,538,248.

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

    • Robeco Schweiz AG: 2,347,104 shares
    • Robeco Institutional Asset Management B.V.: 739,904 shares

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

  4. period ended2025-09-30
    13F 3,150,538 shares
    Change vs previous 13F -297,894 shares

    0.14% of the 13F portfolio, value $105,164,958.

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

    • Robeco Schweiz AG: 2,379,020 shares
    • Robeco Institutional Asset Management B.V.: 771,518 shares

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

  5. period ended2025-06-30
    13F 3,448,432 shares
    Change vs previous 13F -326,093 shares

    0.19% of the 13F portfolio, value $124,005,617.

    13F-HR 0001085146-25-004655 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 2,797,934 shares
    • Robeco Institutional Asset Management B.V.: 650,498 shares

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

  6. period ended2025-03-31
    13F 3,774,525 shares
    Change vs previous 13F +744,366 shares

    0.2% of the 13F portfolio, value $110,404,856.

    13F-HR 0001085146-25-002500 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 3,192,116 shares
    • Robeco Institutional Asset Management B.V.: 582,409 shares

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

  7. period ended2024-12-31
    13F 3,030,159 shares
    Change vs previous 13F +972,830 shares

    0.21% of the 13F portfolio, value $120,721,535.

    13F-HR 0001085146-25-000769 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 2,449,875 shares
    • Robeco Institutional Asset Management B.V.: 580,284 shares

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

  8. period ended2024-09-30
    13F 2,057,329 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $97,023,635.

    13F-HR 0001085146-24-005336 filed by Robeco Schweiz AG
    Filed (acceptance time not in the bulk data set), ingested

    • Robeco Schweiz AG: 1,936,944 shares
    • Robeco Institutional Asset Management B.V.: 120,385 shares

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