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RENAISSANCE TECHNOLOGIES LLC: WELL position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RENAISSANCE TECHNOLOGIES LLC on WELL, newest first. How the timeline and the estimate are built.

RENAISSANCE TECHNOLOGIES LLC held 0 WELL shares at 2026-03-31 per its 13F-HR filed 2026-05-14.

the latest 13F is the newest step

  1. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -173,063 shares

    13F-HR 0001037389-26-000033 filed by RENAISSANCE TECHNOLOGIES LLC
    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 173,063 shares
    Change vs previous 13F -188,600 shares

    0.05% of the 13F portfolio, value $32,122,223.

    13F-HR 0001037389-26-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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 361,663 shares
    Change vs previous 13F -57,900 shares

    0.09% of the 13F portfolio, value $64,426,647.

    13F-HR 0001037389-25-000064 filed by RENAISSANCE TECHNOLOGIES LLC
    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 419,563 shares
    Change vs previous 13F -659,200 shares

    0.09% of the 13F portfolio, value $64,499,420.

    13F-HR 0001037389-25-000034 filed by RENAISSANCE TECHNOLOGIES LLC
    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 1,078,763 shares
    Change vs previous 13F +456,000 shares

    0.25% of the 13F portfolio, value $165,277,279.

    13F-HR 0001037389-25-000023 filed by RENAISSANCE TECHNOLOGIES LLC
    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 622,763 shares
    Change vs previous 13F +119,800 shares

    0.12% of the 13F portfolio, value $78,486,821.

    13F-HR 0001037389-25-000009 filed by RENAISSANCE TECHNOLOGIES LLC
    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 502,963 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $64,394,353.

    13F-HR 0001037389-24-000091 filed by RENAISSANCE TECHNOLOGIES LLC
    Filed (acceptance time not in the bulk data set), ingested

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