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

Robeco Institutional Asset Management B.V. held 119,305 AMBA 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 119,305 shares
    Change vs previous 13F +2,168 shares

    0.01% of the 13F portfolio, value $10,236,370.

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

    • Robeco Schweiz AG: 106,242 shares
    • Robeco Institutional Asset Management B.V.: 13,063 shares

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

  2. period ended2026-03-31
    13F 117,137 shares
    Change vs previous 13F -56,811 shares

    0.01% of the 13F portfolio, value $6,029,626.

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

    • Robeco Schweiz AG: 104,154 shares
    • Robeco Institutional Asset Management B.V.: 12,983 shares

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

  3. period ended2025-12-31
    13F 173,948 shares
    Change vs previous 13F -84,950 shares

    0.02% of the 13F portfolio, value $12,322,476.

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

    • Robeco Schweiz AG: 162,595 shares
    • Robeco Institutional Asset Management B.V.: 11,353 shares

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

  4. period ended2025-09-30
    13F 258,898 shares
    Change vs previous 13F +1,587 shares

    0.03% of the 13F portfolio, value $21,364,263.

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

    • Robeco Schweiz AG: 247,545 shares
    • Robeco Institutional Asset Management B.V.: 11,353 shares

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

  5. period ended2025-06-30
    13F 257,311 shares
    Change vs previous 13F -161,809 shares

    0.03% of the 13F portfolio, value $16,999,251.

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

    • Robeco Schweiz AG: 253,120 shares
    • Robeco Institutional Asset Management B.V.: 4,191 shares

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

  6. period ended2025-03-31
    13F 419,120 shares
    Change vs previous 13F +144,200 shares

    0.52% of the 13F portfolio, value $21,094,310.

    13F-HR 0001085146-25-002500 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).

  7. period ended2024-12-31
    13F 274,920 shares
    Change vs previous 13F -8,880 shares

    0.43% of the 13F portfolio, value $19,997,681.

    13F-HR 0001085146-25-000769 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).

  8. period ended2024-09-30
    13F 283,800 shares
    Change vs previous 13F not available

    0.3% of the 13F portfolio, value $16,007,738.

    13F-HR 0001085146-24-005336 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).