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Illinois Municipal Retirement Fund: AMPH position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Illinois Municipal Retirement Fund on AMPH, newest first. How the timeline and the estimate are built.

Illinois Municipal Retirement Fund held 17,452 AMPH shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 17,452 shares
    Change vs previous 13F -2,076 shares

    <0.01% of the 13F portfolio, value $352,181.

    13F-HR 0001541910-26-000008 filed by Illinois Municipal Retirement Fund
    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 19,528 shares
    Change vs previous 13F -1,385 shares

    <0.01% of the 13F portfolio, value $382,554.

    13F-HR 0001541910-26-000007 filed by Illinois Municipal Retirement Fund
    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 20,913 shares
    Change vs previous 13F +166 shares

    0.01% of the 13F portfolio, value $560,050.

    13F-HR 0001541910-26-000006 filed by Illinois Municipal Retirement Fund
    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 20,747 shares
    Change vs previous 13F +810 shares

    0.01% of the 13F portfolio, value $552,908.

    13F-HR 0001541910-25-000010 filed by Illinois Municipal Retirement Fund
    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 19,937 shares
    Change vs previous 13F -418 shares

    0.01% of the 13F portfolio, value $457,754.

    13F-HR 0001541910-25-000007 filed by Illinois Municipal Retirement Fund
    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 20,355 shares
    Change vs previous 13F -604 shares

    0.01% of the 13F portfolio, value $590,091.

    13F-HR 0001541910-25-000003 filed by Illinois Municipal Retirement Fund
    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 20,959 shares
    Change vs previous 13F -431 shares

    0.01% of the 13F portfolio, value $778,208.

    13F-HR 0001541910-25-000002 filed by Illinois Municipal Retirement Fund
    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 21,390 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $1,038,057.

    13F-HR 0001541910-24-000007 filed by Illinois Municipal Retirement Fund
    Filed (acceptance time not in the bulk data set), ingested

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