← All Nasdaq-100 additions
STX — Nasdaq-100 index addition
Seagate Technology Holdings
Sector
Unknown
Announced
Dec 22, 2025
Effective
Dec 22, 2025
Replaced
ON Semiconductor
1W after inclusion
-0.3%
-0.2% vs Nasdaq-100
1M after inclusion
+22.0%
+20.8% vs Nasdaq-100
3M after inclusion
+45.8%
+49.3% vs Nasdaq-100
6M after inclusion
+280.0%
+260.7% vs Nasdaq-100
1Y after inclusion
—
window not elapsed
Indexed performance around the effective date (effective close = 100)
Prices last updated: 2026-09-16 06:30 UTC (9h ago)
Run-up in the 30 days into inclusion: +19.1%
Other stocks added to the Nasdaq-100
- RBLX — Roblox joined on Sep 4, 2026.
- SPCX — SpaceX joined on Jul 1, 2026.
- HONA — Honeywell Aerospace joined on Jun 29, 2026.
- RKLB — Rocket Lab joined on Jun 22, 2026.
- TER — Teradyne joined on Jun 22, 2026.
- NBIS — Nebius Group joined on Jun 22, 2026.
See the full Nasdaq-100 additions log or the index review calendar.