Roku discloses it has $487 million in deposits at failed Silicon Valley Bank. That’s 26% of its cash.

• Roku said in an SEC filing Friday that it held $487 million of cash at Silicon Valley Bank.
• That's 26% of the company's cash, which Roku disclosed was largely uninsured. 
• The collapse of SVB marks the largest bank failure in the US since the 2008 recession.

Streaming company Roku disclosed Friday that it had $487 million parked in now-failed Silicon Valley Bank— that's 26% of the company's cash.

The disclosure only adds to the alarm surrounding tech companies that do business with SVB after regulators shut down Silicon Valley Bank on Friday, marking it as the largest bank failure in the US since the 2008 recession.