FRED ALGER MANAGEMENT, LLC: WDC position timeline

FRED ALGER MANAGEMENT, LLC held 2,206,326 WDC 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 2,206,326 shares

   Change vs previous 13F -453,509 shares

   4.7% of the 13F portfolio, value $1,409,224,543.

   13F-HR 0001193125-26-352250 filed by FRED ALGER MANAGEMENT, LLC
   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 2,659,835 shares

   Change vs previous 13F -24,506 shares

   3.16% of the 13F portfolio, value $719,458,769.

   13F-HR 0001193125-26-226659 filed by FRED ALGER MANAGEMENT, LLC
   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 2,684,341 shares

   Change vs previous 13F -722,701 shares

   1.81% of the 13F portfolio, value $462,431,424.

   13F-HR 0001193125-26-052991 filed by FRED ALGER MANAGEMENT, LLC
   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 3,407,042 shares

   Change vs previous 13F +3,339,225 shares

   1.59% of the 13F portfolio, value $409,049,463.

   13F-HR 0001193125-25-282909 filed by FRED ALGER MANAGEMENT, LLC
   Filed 2025-11-14 (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 67,817 shares

   Change vs previous 13F not available

   0.02% of the 13F portfolio, value $4,339,610.

   13F-HR 0000950123-25-008360 filed by FRED ALGER MANAGEMENT, LLC
   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).