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Disclosery

Citadel Investment Advisory, Inc.: ABT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Citadel Investment Advisory, Inc. on ABT, newest first. How the timeline and the estimate are built.

Citadel Investment Advisory, Inc. held 8,864 ABT shares at 2026-09-30 per its 13F-HR filed 2026-10-15.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 8,864 shares
    Change vs previous 13F +134 shares

    0.4% of the 13F portfolio, value $876,000.

    13F-HR 0001811907-26-000005 filed by Citadel Investment Advisory, Inc.
    Accepted , ingested

  2. period ended2026-06-30
    13F 8,730 shares
    Change vs previous 13F 0 shares

    0.36% of the 13F portfolio, value $792,000.

    13F-HR 0001811907-26-000003 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 8,730 shares
    Change vs previous 13F -234 shares

    0.43% of the 13F portfolio, value $896,000.

    13F-HR 0001811907-26-000002 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 8,964 shares
    Change vs previous 13F -100 shares

    0.49% of the 13F portfolio, value $1,123,000.

    13F-HR 0001811907-26-000001 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 9,064 shares
    Change vs previous 13F -81,100 shares

    0.56% of the 13F portfolio, value $1,214,000.

    13F-HR 0001811907-25-000005 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 90,164 shares
    Change vs previous 13F +80,550 shares

    0.6% of the 13F portfolio, value $1,233,000.

    13F-HR 0001811907-25-000003 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 9,614 shares
    Change vs previous 13F 0 shares

    0.63% of the 13F portfolio, value $1,275,000.

    13F-HR 0001811907-25-000002 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 9,614 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $1,087,000.

    13F-HR 0001811907-25-000001 filed by Citadel Investment Advisory, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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