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Weiss Asset Management LP: IBIT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Weiss Asset Management LP on IBIT, newest first. How the timeline and the estimate are built.

Weiss Asset Management LP held 1,400,417 IBIT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,400,417 shares
    Change vs previous 13F -879,811 shares

    0.52% of the 13F portfolio, value $46,619,882.

    13F-HR 0001357550-26-000029 filed by Weiss Asset Management LP
    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 2,280,228 shares
    Change vs previous 13F -5,521,755 shares

    1.61% of the 13F portfolio, value $87,606,360.

    13F-HR 0001357550-26-000023 filed by Weiss Asset Management LP
    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/A 7,801,983 shares
    Change vs previous 13F -2,256,670 shares

    5.49% of the 13F portfolio, value $387,368,456.

    13F-HR 0001357550-26-000011 filed by Weiss Asset Management LP
    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/A 10,058,653 shares
    Change vs previous 13F +2,840,815 shares

    9.34% of the 13F portfolio, value $653,812,445.

    13F-HR 0001357550-25-000038 filed by Weiss Asset Management LP
    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/A 7,217,838 shares
    Change vs previous 13F +5,101,974 shares

    6.99% of the 13F portfolio, value $441,803,864.

    13F-HR 0001357550-25-000027 filed by Weiss Asset Management LP
    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/A 2,115,864 shares
    Change vs previous 13F +171,759 shares

    2.64% of the 13F portfolio, value $99,043,594.

    13F-HR 0001357550-25-000020 filed by Weiss Asset Management LP
    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/A 1,944,105 shares
    Change vs previous 13F not available

    2.35% of the 13F portfolio, value $103,134,770.

    13F-HR 0001357550-25-000013 filed by Weiss Asset Management LP
    Filed (acceptance time not in the bulk data set), ingested

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