WILLIAM HARRIS INVESTORS INC: IONS position timeline

WILLIAM HARRIS INVESTORS INC held 79,800 IONS shares at 2016-12-31 per its 13F-HR filed 2017-02-07.

the latest 13F is the newest step

1. period ended2016-12-31

   13F 79,800 shares

   Change vs previous 13F -240,218 shares

   1.1% of the 13F portfolio, value $3,817,000.

   13F-HR 0000928204-17-000001 filed by WILLIAM HARRIS INVESTORS INC
   Filed 2017-02-07 (acceptance time not in the bulk data set), ingested 2026-10-07 19:10:24 UTC

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

2. period ended2016-09-30

   13F 320,018 shares

   Change vs previous 13F -60,000 shares

   3.17% of the 13F portfolio, value $11,726,000.

   13F-HR 0000928204-16-000011 filed by WILLIAM HARRIS INVESTORS INC
   Filed 2016-11-09 (acceptance time not in the bulk data set), ingested 2026-10-07 19:11:14 UTC

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

3. period ended2016-06-30

   13F 380,018 shares

   Change vs previous 13F +55,556 shares

   2.22% of the 13F portfolio, value $8,850,000.

   13F-HR 0000928204-16-000010 filed by WILLIAM HARRIS INVESTORS INC
   Filed 2016-08-05 (acceptance time not in the bulk data set), ingested 2026-10-07 19:12:22 UTC

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

4. period ended2016-03-31

   13F 324,462 shares

   Change vs previous 13F +94,019 shares

   3.29% of the 13F portfolio, value $13,141,000.

   13F-HR 0000928204-16-000009 filed by WILLIAM HARRIS INVESTORS INC
   Filed 2016-05-11 (acceptance time not in the bulk data set), ingested 2026-10-07 19:13:19 UTC

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

5. period ended2015-12-31

   13F 230,443 shares

   Change vs previous 13F not available

   3.43% of the 13F portfolio, value $14,271,000.

   13F-HR 0000928204-16-000008 filed by WILLIAM HARRIS INVESTORS INC
   Filed 2016-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 19:14:07 UTC

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