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Disclosery

Tetragon Partners GP Ltd: IONS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tetragon Partners GP Ltd on IONS, newest first. How the timeline and the estimate are built.

Tetragon Partners GP Ltd held 97,173 IONS shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 97,173 shares
    Change vs previous 13F +55,409 shares

    1.25% of the 13F portfolio, value $7,704,847.

    13F-HR 0000919574-26-005024 filed by Tetragon Partners GP 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 41,764 shares
    Change vs previous 13F not available

    0.62% of the 13F portfolio, value $3,136,059.

    13F-HR 0000919574-26-003297 filed by Tetragon Partners GP Ltd
    Filed (acceptance time not in the bulk data set), ingested

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