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T. Rowe Price Investment Management, Inc.: RGEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of T. Rowe Price Investment Management, Inc. on RGEN, newest first. How the timeline and the estimate are built.

T. Rowe Price Investment Management, Inc. held 1,411,619 RGEN 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 1,411,619 shares
    Change vs previous 13F +44,939 shares

    0.13% of the 13F portfolio, value $192,602,000.

    13F-HR 0001897612-26-000578 filed by T. Rowe Price Investment Management, Inc.
    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 1,366,680 shares
    Change vs previous 13F +720,558 shares

    0.11% of the 13F portfolio, value $161,023,000.

    13F-HR 0001897612-26-000460 filed by T. Rowe Price Investment Management, Inc.
    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/A 646,122 shares
    Change vs previous 13F +74,044 shares

    0.07% of the 13F portfolio, value $105,874,000.

    13F-HR/A 0001897612-26-000299 filed by T. Rowe Price Investment Management, Inc.
    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 572,078 shares
    Change vs previous 13F +12,499 shares

    0.05% of the 13F portfolio, value $76,470,000.

    13F-HR 0001897612-25-000511 filed by T. Rowe Price Investment Management, Inc.
    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 559,579 shares
    Change vs previous 13F +298,731 shares

    0.04% of the 13F portfolio, value $69,601,000.

    13F-HR 0000080255-25-000548 filed by T. Rowe Price Investment Management, Inc.
    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 260,848 shares
    Change vs previous 13F +101,791 shares

    0.02% of the 13F portfolio, value $33,191,000.

    13F-HR 0000080255-25-000283 filed by T. Rowe Price Investment Management, Inc.
    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 159,057 shares
    Change vs previous 13F +131,347 shares

    0.01% of the 13F portfolio, value $22,895,000.

    13F-HR 0000080255-25-000217 filed by T. Rowe Price Investment Management, Inc.
    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 27,710 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $4,124,000.

    13F-HR 0001897612-24-002015 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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