Tamarack Capital Management, LLC: BIO position timeline

Tamarack Capital Management, LLC held 0 BIO shares at 2015-12-31 per its 13F-HR filed 2016-02-10.

the latest 13F is the newest step

1. period ended2015-12-31

   13F 0 shares

   Change vs previous 13F -110,000 shares

   13F-HR 0001095449-16-000190 filed by Tamarack Capital Management, LLC
   Filed 2016-02-10 (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).

   Exited: the 13F for this period no longer lists the position.

2. period ended2015-09-30

   13F 110,000 shares

   Change vs previous 13F -11,050 shares

   2.94% of the 13F portfolio, value $14,774,000.

   13F-HR 0001095449-15-000149 filed by Tamarack Capital Management, LLC
   Filed 2015-11-10 (acceptance time not in the bulk data set), ingested 2026-10-07 19:14:40 UTC

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

3. period ended2015-06-30

   13F 121,050 shares

   Change vs previous 13F +13,050 shares

   3.08% of the 13F portfolio, value $18,231,000.

   13F-HR 0001095449-15-000109 filed by Tamarack Capital Management, LLC
   Filed 2015-08-11 (acceptance time not in the bulk data set), ingested 2026-10-07 19:15:25 UTC

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

4. period ended2015-03-31

   13F 108,000 shares

   Change vs previous 13F +3,000 shares

   2.73% of the 13F portfolio, value $14,599,000.

   13F-HR 0001095449-15-000068 filed by Tamarack Capital Management, LLC
   Filed 2015-05-11 (acceptance time not in the bulk data set), ingested 2026-10-07 19:16:30 UTC

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

5. period ended2014-12-31

   13F 105,000 shares

   Change vs previous 13F +21,622 shares

   2.7% of the 13F portfolio, value $12,659,000.

   13F-HR 0001095449-15-000029 filed by Tamarack Capital Management, LLC
   Filed 2015-02-11 (acceptance time not in the bulk data set), ingested 2026-10-07 19:17:13 UTC

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

6. period ended2014-09-30

   13F 83,378 shares

   Change vs previous 13F +67,009 shares

   2.88% of the 13F portfolio, value $9,455,000.

   13F-HR 0001095449-14-000147 filed by Tamarack Capital Management, LLC
   Filed 2014-11-07 (acceptance time not in the bulk data set), ingested 2026-10-07 19:26:03 UTC

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

7. period ended2014-06-30

   13F 16,369 shares

   Change vs previous 13F not available

   0.53% of the 13F portfolio, value $1,932,000.

   13F-HR 0001095449-14-000111 filed by Tamarack Capital Management, LLC
   Filed 2014-08-15 (acceptance time not in the bulk data set), ingested 2026-10-07 19:34:04 UTC

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