Buy Side vs Sell Side: Who Does What on Wall Street
Short answer. The buy side invests money: asset managers, hedge funds, pension funds and insurers buy securities for their own portfolios or clients. The sell side serves them: investment banks and brokers underwrite, trade and research securities and earn fees or commissions. Buy-side success is measured in returns; sell-side success in deal and trading revenue.
Side by side
| Buy side (e.g. hedge funds) | Sell side (banks and brokers) | |
|---|---|---|
| Main job | Choose investments and manage capital | Issue, distribute and trade securities; publish research |
| Typical firms | Mutual fund and ETF managers, hedge funds, pension funds, endowments, insurers | Investment banks, securities brokers, market makers |
| How they earn | Management and performance fees on assets | Underwriting and advisory fees, trading commissions and spreads |
| Research | Proprietary, kept private; it is a source of edge | Published to clients; often free and tied to trading business |
| Incentive to watch | Returns relative to a benchmark or absolute target | Deal flow and trading volume, which can bias ratings upward |
| Career feel | Fewer, more senior roles; investing decisions and portfolio responsibility | Larger teams; client service, execution, long hours in deal cycles |
Which one fits you?
Lean towards Buy side (e.g. hedge funds) if…
- you want to make investment decisions and be judged on portfolio performance
- you prefer deep research on a smaller set of securities
Lean towards Sell side (banks and brokers) if…
- you want to work on deals, trading or client coverage and learn many sectors quickly
- you want a larger, more structured entry path (analyst programmes)
Frequently asked questions
Is a hedge fund buy side or sell side?
Buy side. Hedge funds invest pooled capital and are clients of sell-side banks and brokers.
Why do sell-side analysts skew to 'buy' ratings?
Banks earn fees from the companies analysts cover and from trading activity, which creates a long-standing tilt towards positive ratings. See sell-side consensus effect.
Can someone move from sell side to buy side?
Yes. It is the most common path: analysts at banks often move to funds after a few years.
General education, not personal financial advice. Figures are typical US examples and vary by provider and year.