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PERCEPTIVE ADVISORS LLC: RYTM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of PERCEPTIVE ADVISORS LLC on RYTM, newest first. How the timeline and the estimate are built.

PERCEPTIVE ADVISORS LLC held 2,586,295 RYTM 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 2,586,295 shares
    Change vs previous 13F +212,500 shares

    4.46% of the 13F portfolio, value $287,156,334.

    13F-HR 0001012975-26-000777 filed by PERCEPTIVE ADVISORS LLC
    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 2,373,795 shares
    Change vs previous 13F -172,596 shares

    4.08% of the 13F portfolio, value $206,448,951.

    13F-HR/A 0001012975-26-000499 filed by PERCEPTIVE ADVISORS LLC
    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 2,546,391 shares
    Change vs previous 13F +107,422 shares

    4.99% of the 13F portfolio, value $272,565,693.

    13F-HR 0001012975-26-000155 filed by PERCEPTIVE ADVISORS LLC
    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 2,438,969 shares
    Change vs previous 13F +20,670 shares

    7.12% of the 13F portfolio, value $246,311,479.

    13F-HR 0001012975-25-000762 filed by PERCEPTIVE ADVISORS LLC
    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 2,418,299 shares
    Change vs previous 13F -130,146 shares

    5.73% of the 13F portfolio, value $152,812,314.

    13F-HR 0001012975-25-000446 filed by PERCEPTIVE ADVISORS LLC
    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 2,548,445 shares
    Change vs previous 13F -1,132,028 shares

    4.79% of the 13F portfolio, value $134,991,132.

    13F-HR/A 0001012975-25-000422 filed by PERCEPTIVE ADVISORS LLC
    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 3,680,473 shares
    Change vs previous 13F +120,259 shares

    5.74% of the 13F portfolio, value $206,032,879.

    13F-HR 0001012975-25-000090 filed by PERCEPTIVE ADVISORS LLC
    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 3,560,214 shares
    Change vs previous 13F not available

    4% of the 13F portfolio, value $186,519,611.

    13F-HR 0001012975-24-000488 filed by PERCEPTIVE ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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