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PINSS&P 400 index addition

Pinterest

Sector
Unknown
Announced
Dec 22, 2025
Effective
Dec 22, 2025
Replaced
Under Armour
1W after inclusion
-1.9%
-2.4% vs index
1M after inclusion
-5.3%
-8.2% vs index
3M after inclusion
-29.2%
-33.7% vs index
6M after inclusion
-23.2%
-37.3% vs index
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: +5.7%

Other stocks added to the S&P MidCap 400

See the full S&P MidCap 400 additions log or the index review calendar.