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OBERWEIS ASSET MANAGEMENT INC/: AAOI position timeline

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

OBERWEIS ASSET MANAGEMENT INC/ held 1,791,127 AAOI shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,791,127 shares
    Change vs previous 13F -558,842 shares

    5.48% of the 13F portfolio, value $265,373,376.

    13F-HR 0001213900-26-089777 filed by OBERWEIS ASSET MANAGEMENT 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 2,349,969 shares
    Change vs previous 13F +310,328 shares

    5.87% of the 13F portfolio, value $198,783,878.

    13F-HR 0001213900-26-057307 filed by OBERWEIS ASSET MANAGEMENT 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 2,039,641 shares
    Change vs previous 13F +151,600 shares

    2.6% of the 13F portfolio, value $71,101,885.

    13F-HR 0001213900-26-017101 filed by OBERWEIS ASSET MANAGEMENT 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 1,888,041 shares
    Change vs previous 13F 0 shares

    1.87% of the 13F portfolio, value $48,956,903.

    13F-HR 0001213900-25-111225 filed by OBERWEIS ASSET MANAGEMENT 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 1,888,041 shares
    Change vs previous 13F +503,200 shares

    2.11% of the 13F portfolio, value $48,503,773.

    13F-HR 0001213900-25-076460 filed by OBERWEIS ASSET MANAGEMENT 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 1,384,841 shares
    Change vs previous 13F +889,026 shares

    1.06% of the 13F portfolio, value $21,257,309.

    13F-HR 0001213900-25-043859 filed by OBERWEIS ASSET MANAGEMENT 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 495,815 shares
    Change vs previous 13F -370,100 shares

    0.86% of the 13F portfolio, value $18,275,741.

    13F-HR 0001213900-25-013939 filed by OBERWEIS ASSET MANAGEMENT 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 865,915 shares
    Change vs previous 13F not available

    0.63% of the 13F portfolio, value $12,391,244.

    13F-HR 0001213900-24-098012 filed by OBERWEIS ASSET MANAGEMENT INC/
    Filed (acceptance time not in the bulk data set), ingested

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