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Silphium Asset Management Ltd: AMZN position timeline

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

Silphium Asset Management Ltd held 23,528 AMZN shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,528 shares
    Change vs previous 13F +2,440 shares

    1.89% of the 13F portfolio, value $5,607,664.

    13F-HR 0000919574-26-004683 filed by Silphium Asset Management Ltd
    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 21,088 shares
    Change vs previous 13F -4,200 shares

    1.66% of the 13F portfolio, value $4,391,998.

    13F-HR 0000919574-26-002639 filed by Silphium Asset Management Ltd
    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 25,288 shares
    Change vs previous 13F -9,307 shares

    2.47% of the 13F portfolio, value $5,836,976.

    13F-HR 0000919574-26-000476 filed by Silphium Asset Management Ltd
    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 34,595 shares
    Change vs previous 13F +8,400 shares

    2.25% of the 13F portfolio, value $7,596,024.

    13F-HR 0000919574-25-006407 filed by Silphium Asset Management Ltd
    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 26,195 shares
    Change vs previous 13F -2,514 shares

    2.05% of the 13F portfolio, value $5,746,921.

    13F-HR 0000919574-25-004495 filed by Silphium Asset Management Ltd
    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 28,709 shares
    Change vs previous 13F +3,050 shares

    4.4% of the 13F portfolio, value $5,462,174.

    13F-HR 0000919574-25-002661 filed by Silphium Asset Management Ltd
    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 25,659 shares
    Change vs previous 13F +1,584 shares

    2.05% of the 13F portfolio, value $5,629,328.

    13F-HR 0000919574-25-000828 filed by Silphium Asset Management Ltd
    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 24,075 shares
    Change vs previous 13F not available

    1.62% of the 13F portfolio, value $4,485,895.

    13F-HR 0000919574-25-000739 filed by Silphium Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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