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CITADEL ADVISORS LLC: REGN position timeline

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

CITADEL ADVISORS LLC held 57,604 REGN shares at 2026-06-30 per its 13F-HR/A filed 2026-09-02.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 57,604 shares
    Change vs previous 13F +9,917 shares

    0.02% of the 13F portfolio, value $35,918,398.

    13F-HR/A 0001104659-26-104387 filed by CITADEL ADVISORS LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 47,687 shares
    Change vs previous 13F -97,283 shares

    0.03% of the 13F portfolio, value $36,844,884.

    13F-HR 0001104659-26-062477 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 144,970 shares
    Change vs previous 13F -85,257 shares

    0.08% of the 13F portfolio, value $111,897,994.

    13F-HR 0001104659-26-016408 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 230,227 shares
    Change vs previous 13F -450,278 shares

    0.1% of the 13F portfolio, value $129,449,735.

    13F-HR 0001104659-25-112514 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 680,505 shares
    Change vs previous 13F +605,603 shares

    0.31% of the 13F portfolio, value $357,265,125.

    13F-HR 0001104659-25-078555 filed by CITADEL ADVISORS LLC
    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 74,902 shares
    Change vs previous 13F -117,444 shares

    0.05% of the 13F portfolio, value $47,505,095.

    13F-HR 0000950123-25-005687 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 192,346 shares
    Change vs previous 13F +122,086 shares

    0.13% of the 13F portfolio, value $137,013,826.

    13F-HR 0000950123-25-002739 filed by CITADEL ADVISORS LLC
    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 70,260 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $73,860,122.

    13F-HR 0000950123-24-011767 filed by CITADEL ADVISORS LLC
    Filed (acceptance time not in the bulk data set), ingested

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