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Citadel Investment Advisory, Inc.: GD position timeline

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

Citadel Investment Advisory, Inc. held 8,291 GD shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,291 shares
    Change vs previous 13F -4 shares

    1.33% of the 13F portfolio, value $2,937,000.

    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).

  2. period ended2026-03-31
    13F 8,295 shares
    Change vs previous 13F -116 shares

    1.36% of the 13F portfolio, value $2,847,000.

    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).

  3. period ended2025-12-31
    13F 8,411 shares
    Change vs previous 13F 0 shares

    1.22% of the 13F portfolio, value $2,832,000.

    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).

  4. period ended2025-09-30
    13F 8,411 shares
    Change vs previous 13F 0 shares

    1.32% of the 13F portfolio, value $2,868,000.

    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).

  5. period ended2025-06-30
    13F 8,411 shares
    Change vs previous 13F -495 shares

    1.19% of the 13F portfolio, value $2,453,000.

    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).

  6. period ended2025-03-31
    13F 8,906 shares
    Change vs previous 13F 0 shares

    1.2% of the 13F portfolio, value $2,438,000.

    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).

  7. period ended2024-12-31
    13F 8,906 shares
    Change vs previous 13F +85 shares

    1.22% of the 13F portfolio, value $2,347,000.

    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).

  8. period ended2024-09-30
    13F 8,821 shares
    Change vs previous 13F not available

    1.4% of the 13F portfolio, value $2,666,000.

    13F-HR 0001811907-24-000004 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).