# Silicon Valley Bank collapse and run

> Depositors withdrew $42 billion from Silicon Valley Bank in one day.

- Owner: SVB Financial Group
- Kind: Moment
- Sector: Finance
- Seed date: 2023-03-08
- Milestone date: 2023-03-10
- Date basis: Documented milestone; not a measured attention peak.
- Spread Score: 42 (Notable), v1.3
- Mechanics: Platform jump, Press loop

## Summary

SVB announced a securities sale and capital raise. Founders discussed the bank and depositors withdrew $42 billion on March 9. Regulators closed it the next day.

## Timeline

- 2023-03-08 — SVB Financial Group (Open web) — SVB announced a securities sale at a loss and a planned equity offering.
- 2023-03-08 — YC founders (Group chats) — A founder noticed discussion of SVB in a YC founder WhatsApp group.
- 2023-03-09 — Howard Lerman (X) — Howard Lerman posted that founders were asking about SVB and called it a bank run.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/mcp#api).

Canonical URL: https://howitspread.com/cases/svb-collapse

Cite as: How It Spread (2026). “Silicon Valley Bank collapse and run.” Case HIS-01766. Spread Score v1.3: 42/100. Updated 2026-10-28. https://howitspread.com/id/HIS-01766