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Avidity Partners Management LP: MDT position timeline

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

Avidity Partners Management LP held 70,000 MDT 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 70,000 shares
    Change vs previous 13F -30,000 shares

    0.88% of the 13F portfolio, value $5,476,100.

    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 100,000 shares
    Change vs previous 13F -7,600 shares

    1.75% of the 13F portfolio, value $8,665,000.

    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 107,600 shares
    Change vs previous 13F -83,000 shares

    2.98% of the 13F portfolio, value $10,336,056.

    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 190,600 shares
    Change vs previous 13F not available

    4.13% of the 13F portfolio, value $18,152,744.

    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).