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Disclosery

Silphium Asset Management Ltd: ISRG position timeline

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

Silphium Asset Management Ltd held 1,582 ISRG 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 1,582 shares
    Change vs previous 13F +160 shares

    0.21% of the 13F portfolio, value $629,130.

    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 1,422 shares
    Change vs previous 13F -413 shares

    0.25% of the 13F portfolio, value $655,528.

    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 1,835 shares
    Change vs previous 13F not available

    0.44% of the 13F portfolio, value $1,039,271.

    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).