Skip to content
Disclosery

Avidity Partners Management LP: DHR position timeline

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

Avidity Partners Management LP held 0 DHR shares at 2026-03-31 per its 13F-HR/A filed 2026-05-28.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F/A 0 shares
    Change vs previous 13F -17,000 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-12-31
    13F 17,000 shares
    Change vs previous 13F -37,700 shares

    1.12% of the 13F portfolio, value $3,891,640.

    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).

  3. period ended2025-09-30
    13F 54,700 shares
    Change vs previous 13F -35,000 shares

    2.47% of the 13F portfolio, value $10,844,822.

    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).

  4. period ended2025-06-30
    13F 89,700 shares
    Change vs previous 13F +45,200 shares

    3.55% of the 13F portfolio, value $17,719,338.

    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).

  5. period ended2025-03-31
    13F 44,500 shares
    Change vs previous 13F -22,500 shares

    1.88% of the 13F portfolio, value $9,122,500.

    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).

  6. period ended2024-12-31
    13F 67,000 shares
    Change vs previous 13F -28,000 shares

    1.53% of the 13F portfolio, value $15,379,850.

    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).

  7. period ended2024-09-30
    13F 95,000 shares
    Change vs previous 13F not available

    1.35% of the 13F portfolio, value $26,411,900.

    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).