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OBERWEIS ASSET MANAGEMENT INC/: MD position timeline

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

OBERWEIS ASSET MANAGEMENT INC/ held 623,087 MD 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 623,087 shares
    Change vs previous 13F -78,000 shares

    0.33% of the 13F portfolio, value $15,782,794.

    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 701,087 shares
    Change vs previous 13F +141,100 shares

    0.44% of the 13F portfolio, value $14,996,251.

    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 559,987 shares
    Change vs previous 13F +14,387 shares

    0.44% of the 13F portfolio, value $11,978,122.

    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 545,600 shares
    Change vs previous 13F 0 shares

    0.35% of the 13F portfolio, value $9,138,800.

    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 545,600 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $7,829,360.

    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 545,600 shares
    Change vs previous 13F +79,000 shares

    0.39% of the 13F portfolio, value $7,905,744.

    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 466,600 shares
    Change vs previous 13F not available

    0.29% of the 13F portfolio, value $6,121,792.

    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).