FRED ALGER MANAGEMENT, LLC: IONS position timeline

FRED ALGER MANAGEMENT, LLC held 78,932 IONS 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 78,932 shares

   Change vs previous 13F +50,480 shares

   0.02% of the 13F portfolio, value $6,258,518.

   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 28,452 shares

   Change vs previous 13F -9,971 shares

   0.01% of the 13F portfolio, value $2,136,461.

   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 38,423 shares

   Change vs previous 13F -3,978 shares

   0.01% of the 13F portfolio, value $3,039,644.

   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 42,401 shares

   Change vs previous 13F +32,937 shares

   0.01% of the 13F portfolio, value $2,773,874.

   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 9,464 shares

   Change vs previous 13F not available

   <0.01% of the 13F portfolio, value $373,923.

   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).