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Avidity Partners Management LP: PHAT position timeline

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

Avidity Partners Management LP held 200,000 PHAT 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 200,000 shares
    Change vs previous 13F -49,390 shares

    0.35% of the 13F portfolio, value $2,170,000.

    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 249,390 shares
    Change vs previous 13F +43,314 shares

    0.56% of the 13F portfolio, value $2,770,723.

    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 206,076 shares
    Change vs previous 13F -99,924 shares

    0.99% of the 13F portfolio, value $3,418,801.

    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 306,000 shares
    Change vs previous 13F -758,500 shares

    0.82% of the 13F portfolio, value $3,601,620.

    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 1,064,500 shares
    Change vs previous 13F +264,500 shares

    2.05% of the 13F portfolio, value $10,208,555.

    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 800,000 shares
    Change vs previous 13F -590,100 shares

    1.03% of the 13F portfolio, value $5,016,000.

    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 1,390,100 shares
    Change vs previous 13F -414,393 shares

    1.13% of the 13F portfolio, value $11,287,612.

    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 1,804,493 shares
    Change vs previous 13F not available

    1.66% of the 13F portfolio, value $32,625,233.

    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).