What is a 130/30 strategy and how does it differ from a traditional long-only fund?

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AcadiFi · Accepted Answer

A 130/30 strategy (also called an extension strategy) starts with 100% capital, shorts 30% of AUM, and reinvests the sho...

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**Mechanics:**

Starting capital: $100M
- Long positions: $130M (130% gross long)
- Short positions: $30M (30% gross short)
- Net exposure: 130% - 30% = 100% (same as long-only)
- Gross exposure: 130% + 30% = 160%

\`\`\`mermaid
flowchart LR
    A["$100M Capital"] --> B["$130M Long Positions"]
    A --> C["$30M Short Positions"]
    C -->|"Short Proceeds"| B
    B --> D["Net Exposure: 100%"]
    C --> D
\`\`\`

**Advantages over long-only:**

| Feature | Long-Only | 130/30 |
|---|---|---|
| Can express negative views | No (only underweight vs benchmark) | Yes (actual short positions) |
| Alpha potential | Limited to overweights | Double -- alpha from longs AND shorts |
| Benchmark tracking | Must hold disliked names at benchmark weight | Can underweight to zero or go net short |
| Maximum underweight | 0% (can only exclude) | -30% relative to benchmark |

**Example -- Westlake Equity Fund (fictional):**
The PM dislikes Foxworth Industries (3% benchmark weight). In a long-only fund, the maximum underweight is 3% (exclude entirely). In a 130/30, the PM can short Foxworth at 5% of AUM, creating an 8% underweight relative to benchmark and deploying those proceeds into higher-conviction longs.

**Risks and considerations:** Higher transaction costs from shorting, borrow fees, potential for short squeezes, more complex risk management, and regulatory constraints on some institutional investors. The strategy assumes the manager has skill in identifying both winners and losers -- empirically, short-side alpha is harder to generate than long-side.

What is a 130/30 strategy and how does it differ from a traditional long-only fund?

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