Investment Banking

The architects of capital markets—facilitating IPOs, M&A, and corporate finance

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Commercial Banking

The Architects of Capital Markets

When a company wants to go public, who orchestrates the IPO? When corporations merge, who structures the $50 billion deal? When governments need to raise capital, who underwrites the bonds? The answer: investment banks.

Unlike commercial banks that take deposits and make loans, investment banks are intermediaries in capital markets. They connect capital seekers (companies, governments) with capital providers (investors). Their core business: raising money, facilitating deals, and providing strategic advice—for hefty fees.

Investment Bank vs Commercial Bank

Commercial Bank
  • Takes deposits from customers
  • Makes loans to individuals/businesses
  • Profits from interest rate spreads
  • Examples: Chase, Bank of America (retail side)
Investment Bank
  • Underwrites securities (stocks, bonds)
  • Advises on M&A and corporate finance
  • Profits from fees and commissions
  • Examples: Goldman Sachs, Morgan Stanley

Note: After the 2008 financial crisis, major investment banks (Goldman, Morgan Stanley) became "bank holding companies" and now operate both commercial and investment banking divisions.

The Big Players

Bulge Bracket
1
Goldman Sachs, JPMorgan, Morgan Stanley, Bank of America

Global powerhouses handling mega-deals ($10B+ M&A, Fortune 500 IPOs)

Middle Market
2
Jefferies, William Blair, Piper Sandler

Focus on mid-sized companies ($500M-$5B valuations)

Boutique
3
Lazard, Evercore, Moelis

Advisory-only firms (no underwriting), often elite M&A specialists

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Key Insight

Investment banking is relationship-driven. Banks compete for "league table" rankings (who handled the most/largest deals). Reputation is everything—one botched IPO can cost billions in future business.