Active Equity Investing: Strategies

Welcome to Active Equity Investing!

Hello there! Welcome to one of the most exciting parts of the CFA Level III journey. While Passive Investing (Level II) was about "following the crowd," Active Equity Investing is all about trying to beat the crowd. Think of it like being a chef: instead of just buying a pre-made meal (the index), you are selecting the best ingredients to create something better.

In this chapter, we will explore the different ways managers try to outperform the market, the styles they use, and how they build their portfolios. Don't worry if this seems like a lot—we’ll break it down piece by piece!

1. Fundamental vs. Quantitative Strategies

Before we dive into specific styles, we need to understand the two main "philosophies" of active management: Fundamental and Quantitative.

Fundamental Investing: The Detective

Fundamental managers are like detectives. They look at individual companies, talk to management, study the industry, and try to find the "intrinsic value" of a stock.
• Focus: Discretionary judgment and qualitative data.
• Process: Company visits, analyzing financial statements, and understanding competitive advantages (moats).

Quantitative Investing: The Scientist

Quantitative (or "Quant") managers are like scientists. They use computer models and historical data to find patterns that apply to many stocks at once.
• Focus: Rules-based, systematic, and data-driven.
• Process: Building models that rank thousands of stocks based on specific factors like price-to-earnings ratios or recent price trends.

Quick Review:
Fundamental = Human judgment + Deep dive into a few stocks.
Quantitative = Rules/Computers + Broad sweep of many stocks.

2. Bottom-Up vs. Top-Down Approaches

How does a manager start their search? They either look at the "leaves" or the "forest."

Bottom-Up

A Bottom-Up manager starts at the company level. They don't care as much about the overall economy; they just want to find a great business at a great price. If they find 20 great businesses, that becomes their portfolio.

Top-Down

A Top-Down manager starts with the big picture (Macro). They look at GDP growth, interest rates, and inflation.
Example: "I think the economy is going to grow fast, so I want to own cyclical stocks like banks and airlines." They pick the sectors first, then the stocks within them.

Takeaway: Bottom-up starts with the Micro (Company); Top-down starts with the Macro (Economy).

3. Equity Investment Styles

Active managers usually fall into specific "style" buckets. Think of these as the different flavors of investing.

Value

The "Bargain Hunters." They look for stocks that are cheap compared to their earnings, book value, or cash flow.
• Sub-styles: High Dividend Yield, Contrarian (buying what everyone hates), and Deep Value (distressed companies).

Growth

The "Star Seekers." They look for companies with rapidly increasing earnings and sales. They don't mind paying a high price today because they expect the company to be much bigger tomorrow.
• Sub-styles: Consistent Growth (steady performers) and Earnings Momentum (high-growth surprises).

Quality

The "Safety First" group. They look for companies with high "return on equity" (ROE), low debt, and stable earnings. They want the "blue chips" of the world.

Did you know? Momentum is another popular style. It’s based on the idea that "what goes up, keeps going up." It’s the opposite of being a contrarian!

4. Active Share and Active Risk

How "active" is an active manager? We use two main measures to find out. Don't let the math scare you; the concepts are simple!

Active Share

Active Share measures how much the holdings in a portfolio differ from the benchmark.
• If you own exactly the same stocks in the same weights as the S&P 500, your Active Share is 0%.
• If you own completely different stocks, your Active Share is 100%.

Active Risk (Tracking Error)

Active Risk (also called Tracking Error) measures the volatility of the differences in returns between the portfolio and the benchmark.
• High Active Risk means the portfolio's returns "swing" wildly away from the benchmark's returns.

The 2x2 Grid (A Favorite Exam Topic!):
1. Pure Indexing: Low Active Share, Low Active Risk. (A "Closet Indexer" has low Active Share but charges high fees—avoid these!)
2. Concentrated Stock Picker: High Active Share, High Active Risk. (They take big bets.)
3. Diversified Multi-Factor: High Active Share, Low Active Risk. (They own many different stocks but manage them so the overall risk stays close to the benchmark.)

5. Portfolio Construction: Building the Strategy

Once a manager has their ideas, how do they put them together? There are three main building blocks:

1. Risk Budgeting

The manager decides how much risk they are willing to take to get outperformance (alpha). They might say, "I am willing to deviate from the benchmark by 4% per year."

2. Constraints

These are the "rules" the manager must follow. They can be:
• Internal: Set by the firm (e.g., "No more than 5% in one stock").
• External: Set by the client or regulators (e.g., "No tobacco stocks").

3. The Number of Securities

Concentrated portfolios (10-30 stocks) have higher idiosyncratic risk but higher potential for alpha.
Diversified portfolios (100+ stocks) reduce the impact of one company failing but might lead to "diluted" returns.

Analogy: If you bet all your money on one horse, that’s concentrated. If you bet a small amount on every horse in the race, that’s diversified.

6. Specialist Strategies: Activists and Pairs Trading

Sometimes active investing goes beyond just buying and selling.

Activist Investing

Activists don't just wait for a stock price to go up; they make it happen. They buy a large stake and then pressure management to change (e.g., fire the CEO, sell a division, or pay a higher dividend).
• Memory Aid: Activists are the "backseat drivers" of the corporate world.

Pairs Trading (Long/Short)

This involves buying one stock (Long) and selling another similar stock (Short).
Example: If you think Pepsi will do better than Coca-Cola, you buy Pepsi and short Coca-Cola. You don't care if the whole soda industry goes up or down; you only care that Pepsi performs better than Coke.

7. Common Pitfalls to Avoid

When studying this section, watch out for these common mistakes:
• Confusing Active Share with Active Risk: Remember, Share is about what you own; Risk is about the volatility of your returns.
• Thinking "Growth" always means "High Tech": While tech often is growth-oriented, any company with fast-rising earnings can be a growth stock.
• Ignoring Costs: Active management is expensive! High turnover leads to high taxes and transaction costs, which can eat up all the "alpha" you earned.

Summary: The Key Takeaways

• Active Investing aims to outperform a benchmark by using fundamental or quantitative analysis.
• Top-Down starts with the economy; Bottom-Up starts with the company.
• Active Share tells you how different the portfolio is from the index.
• Style Factors (Value, Growth, Quality, Momentum) are the primary drivers of active returns.
• Portfolio Construction requires balancing the search for alpha with risk constraints and costs.

Keep going! You're doing great. Active Equity might seem complex, but at its heart, it’s just about having a clear plan for how to pick winners and manage the risks along the way.