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Disclosery

CITADEL ADVISORS LLC: BLKB position timeline

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

CITADEL ADVISORS LLC held 46,447 BLKB 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 46,447 shares
    Change vs previous 13F -105,448 shares

    <0.01% of the 13F portfolio, value $1,375,760.

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

  2. period ended2026-03-31
    13F 151,895 shares
    Change vs previous 13F -77,022 shares

    <0.01% of the 13F portfolio, value $5,864,666.

    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 228,917 shares
    Change vs previous 13F +138,045 shares

    0.01% of the 13F portfolio, value $14,495,025.

    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 90,872 shares
    Change vs previous 13F -136,540 shares

    <0.01% of the 13F portfolio, value $5,843,978.

    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 227,412 shares
    Change vs previous 13F +170,937 shares

    0.01% of the 13F portfolio, value $14,602,125.

    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 56,475 shares
    Change vs previous 13F +49,650 shares

    <0.01% of the 13F portfolio, value $3,504,274.

    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 6,825 shares
    Change vs previous 13F -8,073 shares

    <0.01% of the 13F portfolio, value $504,504.

    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 14,898 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,261,563.

    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).