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OBERWEIS ASSET MANAGEMENT INC/: AIR position timeline

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

OBERWEIS ASSET MANAGEMENT INC/ held 246,325 AIR 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 246,325 shares
    Change vs previous 13F +1,200 shares

    0.73% of the 13F portfolio, value $35,207,232.

    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 245,125 shares
    Change vs previous 13F -27,575 shares

    0.79% of the 13F portfolio, value $26,831,383.

    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 272,700 shares
    Change vs previous 13F +36,200 shares

    0.83% of the 13F portfolio, value $22,576,833.

    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 236,500 shares
    Change vs previous 13F 0 shares

    0.81% of the 13F portfolio, value $21,206,955.

    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 236,500 shares
    Change vs previous 13F +16,500 shares

    0.71% of the 13F portfolio, value $16,268,835.

    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 220,000 shares
    Change vs previous 13F not available

    0.61% of the 13F portfolio, value $12,317,800.

    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).