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Disclosery

Palo Alto Investors LP: PTCT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Palo Alto Investors LP on PTCT, newest first. How the timeline and the estimate are built.

Palo Alto Investors LP held 918,846 PTCT shares at 2026-06-30 per its 13F-HR/A filed 2026-08-19.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 918,846 shares
    Change vs previous 13F -2,761 shares

    10.36% of the 13F portfolio, value $74,950,268.

    13F-HR/A 0002073679-26-000102 filed by Palo Alto Investors 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 921,607 shares
    Change vs previous 13F +17,691 shares

    9.6% of the 13F portfolio, value $62,789,085.

    13F-HR 0001306923-26-000004 filed by Palo Alto Investors 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 903,916 shares
    Change vs previous 13F +41,303 shares

    9.56% of the 13F portfolio, value $68,661,459.

    13F-HR 0001306923-26-000002 filed by Palo Alto Investors 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 862,613 shares
    Change vs previous 13F +456,144 shares

    9.8% of the 13F portfolio, value $52,938,560.

    13F-HR 0001306923-25-000019 filed by Palo Alto Investors 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 406,469 shares
    Change vs previous 13F +2,273 shares

    4.22% of the 13F portfolio, value $19,851,946.

    13F-HR 0001306923-25-000016 filed by Palo Alto Investors 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 404,196 shares
    Change vs previous 13F +17,783 shares

    3.92% of the 13F portfolio, value $20,597,828.

    13F-HR 0001306923-25-000014 filed by Palo Alto Investors 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 386,413 shares
    Change vs previous 13F +121,944 shares

    2.7% of the 13F portfolio, value $17,442,683.

    13F-HR 0001306923-25-000010 filed by Palo Alto Investors 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 264,469 shares
    Change vs previous 13F not available

    1.27% of the 13F portfolio, value $9,811,800.

    13F-HR 0001306923-24-000012 filed by Palo Alto Investors LP
    Filed (acceptance time not in the bulk data set), ingested

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