OBERWEIS ASSET MANAGEMENT INC/: RMBS position timeline

OBERWEIS ASSET MANAGEMENT INC/ held 527,016 RMBS 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 527,016 shares

   Change vs previous 13F +700 shares

   1.45% of the 13F portfolio, value $69,956,104.

   13F-HR 0001213900-26-089777 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

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

2. period ended2026-03-31

   13F 526,316 shares

   Change vs previous 13F +64,216 shares

   1.34% of the 13F portfolio, value $45,278,965.

   13F-HR 0001213900-26-057307 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

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

3. period ended2025-12-31

   13F 462,100 shares

   Change vs previous 13F -45,799 shares

   1.55% of the 13F portfolio, value $42,462,369.

   13F-HR 0001213900-26-017101 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2026-02-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

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

4. period ended2025-09-30

   13F 507,899 shares

   Change vs previous 13F +2,119 shares

   2.03% of the 13F portfolio, value $52,923,076.

   13F-HR 0001213900-25-111225 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-11-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

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

5. period ended2025-06-30

   13F 505,780 shares

   Change vs previous 13F -1,570 shares

   1.41% of the 13F portfolio, value $32,380,036.

   13F-HR 0001213900-25-076460 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-08-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

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

6. period ended2025-03-31

   13F 507,350 shares

   Change vs previous 13F +97,950 shares

   1.31% of the 13F portfolio, value $26,268,046.

   13F-HR 0001213900-25-043859 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-05-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

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

7. period ended2024-12-31

   13F 409,400 shares

   Change vs previous 13F not available

   1.02% of the 13F portfolio, value $21,640,884.

   13F-HR 0001213900-25-013939 filed by OBERWEIS ASSET MANAGEMENT INC/
   Filed 2025-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

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