RS INVESTMENT MANAGEMENT CO LLC: BIIB position timeline

RS INVESTMENT MANAGEMENT CO LLC held 0 BIIB shares at 2015-09-30 per its 13F-HR filed 2015-11-04.

the latest 13F is the newest step

1. period ended2015-09-30

   13F 0 shares

   Change vs previous 13F -29,507 shares

   13F-HR 0000950123-15-010737 filed by RS INVESTMENT MANAGEMENT CO LLC
   Filed 2015-11-04 (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).

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

2. period ended2015-06-30

   13F/A 29,507 shares

   Change vs previous 13F +2,310 shares

   0.1% of the 13F portfolio, value $11,919,000.

   13F-HR/A 0000950123-15-009530 filed by RS INVESTMENT MANAGEMENT CO LLC
   Filed 2015-08-18 (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).

3. period ended2015-03-31

   13F 27,197 shares

   Change vs previous 13F +25,979 shares

   0.1% of the 13F portfolio, value $11,484,000.

   13F-HR 0000950123-15-005984 filed by RS INVESTMENT MANAGEMENT CO LLC
   Filed 2015-05-14 (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).

4. period ended2014-12-31

   13F 1,218 shares

   Change vs previous 13F -18,987 shares

   <0.01% of the 13F portfolio, value $413,000.

   13F-HR 0000950123-15-001771 filed by RS INVESTMENT MANAGEMENT CO LLC
   Filed 2015-02-12 (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).

5. period ended2014-09-30

   13F 20,205 shares

   Change vs previous 13F not available

   0.06% of the 13F portfolio, value $6,684,000.

   13F-HR 0000950123-14-012047 filed by RS INVESTMENT MANAGEMENT CO LLC
   Filed 2014-11-14 (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).