The Biggest Stock Climbs of 2021

Despite rising inflation, a global supply chain crisis, and intense political discord finding its way into just about every discussion, the pandemic only briefly succeeded in interrupting what appears to be an endless stock market bull run. The S&P 500 delivered plenty of winners in 2021, but with the year now almost in the books, it’s time to reflect on the biggest climbers of them all.

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Some Stocks Gained Huge Dollar Amounts

Some stocks — particularly those with share prices that were high to begin with — experienced dramatic three- and even four-digit gains in 2021.

Here’s a look at the top 25.

You’ll notice that Alphabet, Google’s parent company, appears twice. The stock with the ticker symbol GOOGL is for A-shares, which come with voting rights. GOOG represents the company’s C-shares, which is basically the same stock that trades at almost the same price, but doesn’t give investors a say in how the company is run.

Gartner Inc. (IT)

  • 2/19/2020 price: $158.07

  • 2/19/2021 price: $321.22

  • Dollar change: $163.15

  • Percent change: 103.21%

Lam Research Corp. (LRCX)

  • 2/19/2020 price: $478.02

  • 2/19/2021 price: $641.98

  • Dollar change: $163.96

  • Percent change: 34.30%

Costco Wholesale (COST)

  • 2/19/2020 price: $380.15

  • 2/19/2021 price: $546.13

  • Dollar change: $165.98

  • Percent change: 43.66%

Thermo Fisher Scientific Inc. (TMO)

  • 2/19/2020 price: $471.82

  • 2/19/2021 price: $638.74

  • Dollar change: $166.92

  • Percent change: 35.38%

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Monolithic Power Sys (MPWR)

  • 2/19/2020 price: $364.82

  • 2/19/2021 price: $535.02

  • Dollar change: $170.20

  • Percent change: 46.65%

Bio-Rad Laboratories (BIO)

  • 2/19/2020 price: $575.26

  • 2/19/2021 price: $750.17

  • Dollar change: $174.91

  • Percent change: 30.41%

Adobe Systems Inc. (ADBE)

  • 2/19/2020 price: $485.34

  • 2/19/2021 price: $662.10

  • Dollar change: $176.76

  • Percent change: 36.42%

O’Reilly Automotive (ORLY)

  • 2/19/2020 price: $453.97

  • 2/19/2021 price: $635.73

  • Dollar change: $181.76

  • Percent change: 40.04%

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Fortinet Inc. (FTNT)

  • 2/19/2020 price: $145.56

  • 2/19/2021 price: $327.39

  • Dollar change: $181.83

  • Percent change: 124.92%

MSCI Inc. (MSCI)

  • 2/19/2020 price: $437.64

  • 2/19/2021 price: $621.04

  • Dollar change: $183.40

  • Percent change: 41.91%

Nvidia Corp. (NVDA)

  • 2/19/2020 price: $131.14

  • 2/19/2021 price: $315.03

  • Dollar change: $183.89

  • Percent change: 140.22%

Blackrock Inc. (BLK)

  • 2/19/2020 price: $710.82

  • 2/19/2021 price: $901.64

  • Dollar change: $190.82

  • Percent change: 26.85%