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Avidity Partners Management LP: ORKA position timeline

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

Avidity Partners Management LP held 760,424 ORKA 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 760,424 shares
    Change vs previous 13F 0 shares

    11.59% of the 13F portfolio, value $72,369,552.

    13F-HR 0001791827-26-000005 filed by Avidity Partners Management LP
    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 760,424 shares
    Change vs previous 13F +100,000 shares

    7.55% of the 13F portfolio, value $37,298,797.

    13F-HR/A 0001791827-26-000004 filed by Avidity Partners Management LP
    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 660,424 shares
    Change vs previous 13F 0 shares

    5.77% of the 13F portfolio, value $20,017,451.

    13F-HR 0001791827-26-000002 filed by Avidity Partners Management LP
    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 660,424 shares
    Change vs previous 13F +308,300 shares

    2.89% of the 13F portfolio, value $12,699,954.

    13F-HR 0001791827-25-000008 filed by Avidity Partners Management LP
    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 352,124 shares
    Change vs previous 13F 0 shares

    0.79% of the 13F portfolio, value $3,947,310.

    13F-HR 0001791827-25-000007 filed by Avidity Partners Management LP
    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 352,124 shares
    Change vs previous 13F 0 shares

    0.75% of the 13F portfolio, value $3,612,792.

    13F-HR 0001791827-25-000005 filed by Avidity Partners Management LP
    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 352,124 shares
    Change vs previous 13F -438,802 shares

    0.68% of the 13F portfolio, value $6,827,684.

    13F-HR 0001791827-25-000002 filed by Avidity Partners Management LP
    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 790,926 shares
    Change vs previous 13F not available

    0.99% of the 13F portfolio, value $19,385,596.

    13F-HR 0001791827-24-000011 filed by Avidity Partners Management LP
    Filed (acceptance time not in the bulk data set), ingested

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