Glossary term

Silicon Valley Bank

Silicon Valley Bank was a technology- and venture-focused bank that failed in March 2023 after rapid deposit outflows and interest-rate risk losses.

Updated

May 22, 2026

Read time

3 min read

What Was Silicon Valley Bank?

Silicon Valley Bank, often shortened to SVB, was a California bank known for serving technology companies, venture-backed startups, life-sciences firms, venture capital funds, and related founders. It failed on March 10, 2023, after rapid deposit outflows exposed a fragile funding base and large unrealized losses tied to rising interest rates.

SVB became a central case study in bank-run risk, uninsured deposits, asset-liability management, and supervision of fast-growing regional banks. The failure was not just a story about one bank. It showed how quickly confidence can disappear when concentrated depositors, social networks, and interest-rate losses collide.

Key Takeaways

  • Silicon Valley Bank was closed by California regulators on March 10, 2023, and the FDIC was named receiver.
  • The bank had a concentrated customer base tied to technology and venture capital.
  • Large uninsured deposits made the funding base sensitive to confidence shocks.
  • Rising interest rates reduced the value of securities held on the balance sheet.
  • The failure remains a major lesson in liquidity risk, duration risk, and bank supervision.

How the Failure Unfolded

SVB grew rapidly during the technology and venture-capital boom. Many customers held large operating deposits at the bank, often above FDIC insurance limits. At the same time, the bank invested heavily in securities that lost market value when interest rates rose.

Those unrealized losses did not automatically force failure by themselves. The problem became acute when customers lost confidence and tried to withdraw deposits quickly. A bank can be solvent on paper and still face severe liquidity pressure if depositors demand cash faster than assets can be sold or financed without large losses.

Why Uninsured Deposits Mattered

Deposit insurance changes depositor behavior. A customer with fully insured funds has less reason to run at the first sign of trouble. A company with millions of uninsured operating cash may move quickly if payroll, vendor payments, or runway are at risk.

SVB's customer base made that risk unusually concentrated. Many depositors were connected through the same venture and startup ecosystem, so concern could spread quickly. Digital banking made withdrawals faster, and public discussion amplified the pressure.

Banking Lessons From SVB

Risk

How it showed up

Practical lesson

Duration risk

Securities lost value as rates rose

Asset maturity must fit funding stability

Liquidity risk

Deposits left rapidly

Cash and borrowing capacity matter under stress

Concentration risk

Customers came from related sectors

A narrow depositor base can behave like one large exposure

Uninsured deposit risk

Large balances exceeded insurance limits

Business cash management needs bank-risk review

What Happened to Depositors

After the bank was closed, federal authorities used resolution tools to protect depositors and stabilize the banking system. The FDIC later announced that First-Citizens Bank & Trust Company would assume deposits and purchase assets from Silicon Valley Bridge Bank.

Shareholders and certain creditors were not protected in the same way as depositors. That distinction matters because bank resolution can treat depositors, borrowers, shareholders, bondholders, and management very differently.

The Bottom Line

Silicon Valley Bank was a fast-growing, sector-focused bank whose 2023 failure exposed the danger of concentrated uninsured deposits and poorly managed interest-rate risk. It remains a practical reminder that bank safety depends on both asset quality and funding stability.

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