Etsy Inc. (NASD:ETSY) more than doubled its stock valuation when it opened for trading Thursday. As a result, early investors in the 10-year-old company raked in huge financial returns. 

The New York online crafts marketplace priced its initial public offering at $16 per share, valuing Etsy at more than $1 billion. However, shares of the company's stock opened at $31 and reached $35.67.  Etsy is offering 16.7 million shares. 

EquityZen, a marketplace for shares in private companies, broke down the financials at $34 a share in this graphic. Below are some of the biggest winners and the value of their stakes (value will change as the stock fluctuates).

Accel Partners 

Entered in Series D at $1.33 per share

26.5 million shares; $900.7 million

Union Square Ventures 

Entered in Series A at $0.08 per share

14.9 million shares; $508.5 million

Index Ventures 

Entered in Series E at $3.18 per share

12.6 million shares; $427.7 million

Tiger Global Management

Acquired shares from employees in 2014 at $10.60 per share

7.1 million shares; $242 million

Acton Capital

Entered in Series D

3.9 million shares; $131.4 million

Chad Dickerson

CEO of Etsy

2.1 million shares; $71.8 million