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Disclosery

Rock Springs Capital Management LP: NGEN position timeline

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

Rock Springs Capital Management LP held 1,208,231 NGEN 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 1,208,231 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $2,488,956.

    13F-HR 0001172661-26-003527 filed by Rock Springs Capital Management LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec ยง4.2).