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OPPENHEIMER ASSET MANAGEMENT INC.: AON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of OPPENHEIMER ASSET MANAGEMENT INC. on AON, newest first. How the timeline and the estimate are built.

OPPENHEIMER ASSET MANAGEMENT INC. held 7,299 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 7,299 shares
    Change vs previous 13F -25,048 shares

    0.01% of the 13F portfolio, value $2,421,006.

    13F-HR 0001085146-26-000553 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,428 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 4,871 shares

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

  2. period ended2026-03-31
    13F 32,347 shares
    Change vs previous 13F -3,402 shares

    0.06% of the 13F portfolio, value $10,440,965.

    13F-HR 0001085146-26-000369 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 5,955 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 26,392 shares

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

  3. period ended2025-12-31
    13F 35,749 shares
    Change vs previous 13F -10,848 shares

    0.08% of the 13F portfolio, value $12,615,106.

    13F-HR 0001085146-26-000133 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,797 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 32,952 shares

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

  4. period ended2025-09-30
    13F 46,597 shares
    Change vs previous 13F -6,690 shares

    0.1% of the 13F portfolio, value $16,615,558.

    13F-HR 0001085146-25-005973 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,572 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 44,025 shares

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

  5. period ended2025-06-30
    13F 53,287 shares
    Change vs previous 13F -124 shares

    0.12% of the 13F portfolio, value $19,010,670.

    13F-HR 0001085146-25-004405 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,636 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 50,651 shares

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

  6. period ended2025-03-31
    13F 53,411 shares
    Change vs previous 13F +38,468 shares

    0.15% of the 13F portfolio, value $21,315,797.

    13F-HR 0001085146-25-002235 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,786 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 50,625 shares

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

  7. period ended2024-12-31
    13F 14,943 shares
    Change vs previous 13F +722 shares

    0.04% of the 13F portfolio, value $5,366,929.

    13F-HR 0001085146-25-000777 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 2,416 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 12,527 shares

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

  8. period ended2024-09-30
    13F 14,221 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $4,920,325.

    13F-HR 0001085146-24-005361 filed by OPPENHEIMER ASSET MANAGEMENT INC.
    Filed (acceptance time not in the bulk data set), ingested

    • OPPENHEIMER & CO INC: 816 shares
    • OPPENHEIMER ASSET MANAGEMENT INC.: 13,405 shares

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