Skip to content
Disclosery

Optiver Holding B.V.: IWM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Optiver Holding B.V. on IWM, newest first. How the timeline and the estimate are built.

Optiver Holding B.V. held 42,748 IWM shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 42,748 shares
    Change vs previous 13F +39,747 shares

    0.18% of the 13F portfolio, value $12,843,637.

    13F-HR 0001859606-26-000005 filed by Optiver Holding 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/A 3,001 shares
    Change vs previous 13F -602,498 shares

    0.03% of the 13F portfolio, value $744,248.

    13F-HR/A 0001859606-26-000004 filed by Optiver Holding 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 605,499 shares
    Change vs previous 13F +214,463 shares

    2.7% of the 13F portfolio, value $149,049,634.

    13F-HR 0001859606-26-000001 filed by Optiver Holding B.V.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 391,036 shares
    Change vs previous 13F -1,201,072 shares

    1.54% of the 13F portfolio, value $94,615,071.

    13F-HR 0001859606-25-000023 filed by Optiver Holding B.V.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 1,592,108 shares
    Change vs previous 13F +586,871 shares

    9.27% of the 13F portfolio, value $343,560,985.

    13F-HR 0001859606-25-000019 filed by Optiver Holding B.V.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 1,005,237 shares
    Change vs previous 13F not available

    7.75% of the 13F portfolio, value $200,534,729.

    13F-HR 0001859606-25-000016 filed by Optiver Holding B.V.
    Filed (acceptance time not in the bulk data set), ingested

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