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Disclosery

Citadel Investment Advisory, Inc.: AMG position timeline

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

Citadel Investment Advisory, Inc. held 6,197 AMG 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 6,197 shares
    Change vs previous 13F -255 shares

    1.04% of the 13F portfolio, value $2,266,000.

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

  2. period ended2026-06-30
    13F 6,452 shares
    Change vs previous 13F 0 shares

    0.99% of the 13F portfolio, value $2,183,000.

    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 6,452 shares
    Change vs previous 13F 0 shares

    0.85% of the 13F portfolio, value $1,785,000.

    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 6,452 shares
    Change vs previous 13F +20 shares

    0.8% of the 13F portfolio, value $1,860,000.

    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 6,432 shares
    Change vs previous 13F -17 shares

    0.7% of the 13F portfolio, value $1,534,000.

    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 6,449 shares
    Change vs previous 13F +510 shares

    0.61% of the 13F portfolio, value $1,269,000.

    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 5,939 shares
    Change vs previous 13F +50 shares

    0.49% of the 13F portfolio, value $998,000.

    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 5,889 shares
    Change vs previous 13F not available

    0.56% of the 13F portfolio, value $1,089,000.

    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).