Alphabet's soaring stock just pushed it above a $1 trillion market cap. Here are the 11 highest-valued public companies.

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Antonio Villas-Boas/Business Insider


Alphabet is the latest firm to join the small group of companies with market caps higher than $1 trillion, further cementing the tech sector as the highest valued in public markets.

The Google-parent's Thursday close set the stock high enough to notch a valuation above the four-comma threshold. The record level also helped push Big Tech - the five stock group comprised of Alphabet, Amazon, Apple, Facebook, and Microsoft - past a $5 trillion market valuation for the first time.

The S&P 500's information tech sector is dominating all of the index's other subgroups in the year-to-date, after already posting a 50% return in 2019. The group's massive run-up was primarily driven by Apple stock, as the iPhone maker gained more than 80% last year.

Apple was the first company to reach a $1 trillion valuation in August 2018, and held the crown as the highest-valued public company as recently as December 11. The tech giant lost its top spot when Saudi Aramco debuted on public markets with a record-breaking $1.7 trillion valuation.

Aramco stock proceeded to surge high enough to hit a $2 trillion valuation before paring gains through January.

Here are the 11 highest-valued public companies around the world, ranked in ascending order. Data is as of 3:00 p.m. ET on January 17.

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11. Visa

11. Visa

Market cap: $350 billion

Year-to-date performance: up 8.7%

10. JPMorgan Chase

10. JPMorgan Chase

Market cap: $433 billion

Year-to-date performance: down 0.5%

9. Tencent

9. Tencent

Market cap: $491 billion

Year-to-date performance: up 12.4%

8. Berkshire Hathaway

8. Berkshire Hathaway

Market cap: $561 billion

Year-to-date performance: up 1.7%

7. Alibaba

7. Alibaba

Market cap: $608 billion

Year-to-date performance: up 6.2%

6. Facebook

6. Facebook

Market cap: $639 billion

Year-to-date performance: up 8.1%

5. Amazon

5. Amazon

Market cap: $921 billion

Year-to-date performance: up 0.6%

4. Alphabet

4. Alphabet

Market cap: $1 trillion

Year-to-date performance: up 10.2%

3. Microsoft

3. Microsoft

Market cap: $1.27 trillion

Year-to-date performance: up 5.5%

2. Apple

2. Apple

Market cap: $1.39 trillion

Year-to-date performance: up 8.7%

1. Saudi Aramco

1. Saudi Aramco

Market cap: $1.84 trillion

Year-to-date performance: down 1.6%

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