what is the best stock performance in 2021 in spy

The top 3 holdings of SPY are Microsoft (MSFT) (6.926%), NVIDIA (NVDA) (6.909%) and Apple (AAPL) (5.822%).

FUND HOLDING % OF FUND VALUE ($)
SPY
Microsoft (MSFT)
6.926%
$42.4B
SPY
NVIDIA (NVDA)
6.909%
$42.3B
SPY
Apple (AAPL)
5.822%
$35.7B
SPY
Amazon (AMZN)
3.913%
$24B
SPY
Facebook (META)
2.954%
$18.1B
SPY
Broadcom (AVGO)
2.335%
$14.3B
SPY
Alphabet Inc Class A (GOOGL)
1.994%
$12.2B
SPY
Berkshire Hathaway (BRK.B)
1.748%
$10.7B
SPY
Tesla (TSLA)
1.737%
$10.6B
SPY
Alphabet Inc Class C
1.627%
$10B
SPY
JPMorgan Chase (JPM)
1.459%
$8.9B
SPY
Visa Inc Class A (V)
1.245%
$7.6B
SPY
Eli Lilly and (LLY)
1.245%
$7.6B
SPY
Netflix (NFLX)
1.011%
$6.2B
SPY
Mastercard (MA)
0.934%
$5.7B
SPY
Exxon Mobil (XOM)
0.929%
$5.7B
SPY
Costco Wholesale (COST)
0.866%
$5.3B
SPY
Walmart (WMT)
0.8%
$4.9B
SPY
Procter & Gamble (PG)
0.744%
$4.6B
SPY
Johnson & Johnson (JNJ)
0.734%
$4.5B
SPY
Home Depot (HD)
0.702%
$4.3B
SPY
AbbVie (ABBV)
0.661%
$4B
SPY
Oracle (ORCL)
0.631%
$3.9B
SPY
Bank of America (BAC)
0.575%
$3.5B
SPY
UnitedHealth (UNH)
0.57%
$3.5B
Holdings are tracked for approximately 2000 ETFs.