Lehman Brothers
The Bankruptcy That Broke the World Economy
Filed: September 15, 2008
Lehman Brothers' September 2008 collapse — the largest bankruptcy filing in U.S. history at $691 billion in assets — triggered the global financial crisis. The 158-year-old investment bank had loaded up on subprime mortgage-backed securities, using repo transactions to temporarily hide leverage before quarterly reporting dates.
The Numbers
Timeline of Collapse
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Lehman Brothers founded as a dry goods store in Montgomery, Alabama.
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Aggressively acquires subprime mortgage lenders and builds massive mortgage-backed securities portfolio.
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Bear Stearns collapses. Lehman stock drops 48% in one week — but stabilizes after Fed intervention.
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Lehman reports $2.8 billion Q2 loss, its first since going public in 1994.
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Lehman reports $3.9 billion Q3 loss. Stock drops below $4. Korea Development Bank pulls out of acquisition talks.
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Emergency meeting at NY Fed. Timothy Geithner tells banks to find a private solution — no government bailout.
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Barclays and Bank of America both walk away. Bankruptcy preparations begin.
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Lehman files Chapter 11 at 1:45 AM. Dow drops 504 points — largest single-day point drop at the time.
Root Cause Analysis
What actually killed Lehman Brothers.
- ▸ Extreme leverage (30.7:1) with short-term funding on illiquid mortgage assets
- ▸ Repo 105 accounting trick: temporarily moved $50B in liabilities off the balance sheet before quarter-end
- ▸ Concentrated bet on subprime mortgages that management refused to hedge
- ▸ Regulatory failure: SEC and Fed knew Lehman's position but allowed it to continue
- ▸ Bankruptcy's cross-defaults froze the global commercial paper market overnight
Lessons Learned
What investors, executives, and regulators should take away.
- ! Leverage kills — 30x on illiquid assets means a 3% drop wipes out equity
- ! When a bank says 'this time is different,' run
- ! Repo 105: if an accounting treatment has a number in its name, it's probably hiding something
- ! Systemic risk isn't theoretical — one firm's failure can freeze global credit
Sources
All data sourced from public records. Verified against SEC filings and court documents.