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Disclosery

Optiver Holding B.V.: TSM position timeline

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

Optiver Holding B.V. held 1,471,191 TSM 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 1,471,191 shares
    Change vs previous 13F +184,930 shares

    10.07% of the 13F portfolio, value $702,596,686.

    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 1,286,261 shares
    Change vs previous 13F +121,545 shares

    16.45% of the 13F portfolio, value $434,691,905.

    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 1,164,716 shares
    Change vs previous 13F +846,165 shares

    6.41% of the 13F portfolio, value $353,945,545.

    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 318,551 shares
    Change vs previous 13F -602,004 shares

    1.44% of the 13F portfolio, value $88,968,109.

    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 920,555 shares
    Change vs previous 13F -1,683 shares

    5.62% of the 13F portfolio, value $208,496,502.

    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 922,238 shares
    Change vs previous 13F +608,827 shares

    5.91% of the 13F portfolio, value $153,091,508.

    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).

  7. period ended2024-12-31
    13F 313,411 shares
    Change vs previous 13F -43,177 shares

    2% of the 13F portfolio, value $61,895,538.

    13F-HR 0001859606-25-000012 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).

  8. period ended2024-09-30
    13F 356,588 shares
    Change vs previous 13F not available

    1.58% of the 13F portfolio, value $61,928,638.

    13F-HR 0001859606-24-000010 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).