Re-Evaluating Japan's Hedge Fund Market: The Era of Finding Companies That Can Change

Summary

Japan is being re-evaluated by global hedge funds not merely as a cheap market, but as a market where structural corporate change can be invested in.

The backdrop includes pressure from Tokyo Stock Exchange reforms to improve PBR and ROE, monetary policy normalization by the Bank of Japan, expanding share buybacks, and governance reform.

As a result, the gap is widening between companies that remain cheap and companies that are revalued because they actually change.

For long-short, activist, and event-driven strategies in particular, Japan is becoming a market where the distortions created by corporate change can be monetized more easily.

For individual investors, however, the important point is not to copy hedge fund trades. What matters is understanding the lenses they use: capital efficiency, cash allocation, interest-rate resilience, and IR behavior.

Overview

Four changes are moving through the Japanese market at the same time:

• Tokyo Stock Exchange reform
• Monetary policy normalization
• Improvement in capital efficiency
• Expansion of shareholder returns

For many years, Japanese equities were viewed as:

A cheap market that does not change.

Now the market is beginning to shift toward:

A market that rewards companies that can change.

That structural shift is one reason overseas hedge fund capital has been flowing into Japan.

Market Highlights

The key point is that this is no longer a phase where all Japanese equities are bought indiscriminately.

Going forward, the difference between companies that can change and those that cannot is more likely to show up in share prices.

1. Why Japan Is Being Re-Evaluated Now

The Old View of Japan

For many years, foreign investors saw Japanese equities as:

Undervalued, but unlikely to change.

Many Japanese companies had:

• Large cash balances
• Strong technical capabilities
• Stable profitability
• Low PBR

At the same time, they also had:

• Insufficient shareholder returns
• Low ROE
• Persistent cross-shareholdings
• Unprofitable businesses left untouched

In short:

Cheapness alone was not enough to become an investment reason.

The Current Japanese Market

Since 2023, clear changes have begun.

The biggest drivers are:

• The TSE's request for better capital efficiency
• Monetary policy normalization
• Governance reform
• Expansion of share buybacks

These changes have started to reduce:

The risk that cheap companies simply stay cheap.

This is exactly where hedge funds are paying attention.

2. TSE Reform Changed the Rules for Japanese Stocks

Since 2023, the Tokyo Stock Exchange has been pressing listed companies to address:

• PBR below 1x
• ROE improvement
• Awareness of cost of capital
• Better investor relations

This is not just a formal request.

In the market, the following moves are increasing:

• Share buybacks
• Dividend increases
• MBOs
• Sales of non-core businesses
• Reviews of parent-subsidiary listings

Changes Already Happening

Examples such as large buyback announcements, reductions in cross-shareholdings, carve-outs, and restructuring of listed subsidiaries now connect more directly to market valuation than before.

The market is beginning to care less about:

What assets does the company own?

And more about:

How does the company use its capital?

Companies Hedge Funds Watch

The companies that attract attention are often those with:

• PBR below 1x
• Excess cash
• Room for share buybacks
• Room for ROE improvement
• Unprofitable businesses

The focus is not just cheap stocks.

The focus is:

The possibility of change.

3. A World With Interest Rates Has Begun to Change Japan

In 2024, the Bank of Japan ended negative interest rates.

For the Japanese market, this means:

The end of the world without interest rates.

What Happened in the Ultra-Low-Rate Era

For a long time:

• Even loss-making companies could survive
• Low-return companies could still raise funds
• Financial efficiency was often neglected

But as rates return, the differences in:

• Cash generation
• Financial soundness
• Capital efficiency

become clearer.

In other words:

The gap between companies widens.

Companies That Struggle When Rates Rise

The companies that deserve caution include:

• Borrowing-dependent companies
• Low-margin companies
• Companies with weak cash generation
• High-PER growth stocks dependent on valuation

Weaknesses hidden during the ultra-low-rate period are more likely to surface.

This is an important environmental change for long-short strategies.

4. Inefficiency Still Remains in Japan

The U.S. market has become extremely efficient through:

• AI
• HFT
• Quant funds
• Large institutional investors

Japan, however, still has:

• Limited English disclosure
• Weak IR among regional companies
• Low analyst coverage of small and mid caps
• Parent-subsidiary listings
• Cross-shareholding structures

In other words:

Information distortions remain.

A Market Still Worth Researching

Put differently:

The deeper you research, the easier it is to create an edge.

Especially in small and mid caps, valuation can change significantly when there is:

• Better IR
• A capital policy change
• A business sale
• A major shareholder change

Hedge funds are looking for this early stage of change.

5. What Hedge Funds Are Watching

1. Capital Efficiency: PBR and ROE

Capital efficiency is one of the most important themes in today's Japanese market.

In particular:

• PBR below 1x
• Low ROE
• Excess cash

are easy to notice.

The market is no longer asking only:

Is the company profitable?

It is also asking:

Is the company using shareholder capital efficiently?

2. Shareholder Returns

Important items include:

• Share buybacks
• Dividend increases
• Higher payout ratios

Share buybacks in particular are often interpreted as signals of:

• Improved capital efficiency
• Higher EPS
• A change in management attitude

3. Business Restructuring

In Japan today, more companies are pursuing:

• Sale of unprofitable businesses
• Carve-outs
• M&A
• Disposal of non-core assets

This is not merely cost cutting.

It is:

A redesign of corporate value.

4. Sensitivity to Rates and FX

Hedge funds also look at how companies are affected by:

• Yen strength
• Yen weakness
• Rising interest rates
• Energy prices

The defining feature is that they look at macro conditions and individual companies at the same time.

6. Human Analysis Still Matters in the AI Era

AI has made the following much faster:

• Earnings summaries
• Financial analysis
• News organization

But some things remain hard to quantify:

• Management seriousness
• IR attitude
• Continuity of capital policy
• Corporate culture
• Governance effectiveness

The important distinction will be between:

Information AI can see

and:

Structures that still require human judgment.

7. Are Activists Disruptors?

In Japan, there is still an image that:

Activist shareholders are only seeking short-term profits.

But that image is changing.

Activists are increasingly playing a role in pushing companies to address:

• Excess cash
• Low ROE
• Inefficient businesses
• Unclear capital policy

This has led to more cases of:

• Dividend increases
• Share buybacks
• Business restructuring
• IR improvement

But Activism Is Not a Cure-All

On the other hand:

• Temporary buybacks
• Formalistic PBR measures
• Shareholder returns without core business improvement

may not raise corporate value over the medium to long term.

What matters is:

Capital policy backed by core business reform.

8. The Light and Shadow of Hedge Fund Strategies

Light

• Monetizing market distortions
• Encouraging governance improvement
• Accelerating capital efficiency improvements
• Reflecting macro changes in prices

Shadow

• High leverage
• High fees
• Liquidity risk
• Information gaps

When markets suddenly turn, highly liquid stocks may be sold first, triggering sharp declines.

9. What Individual Investors Should Learn

The important thing is not:

Copying hedge fund trades.

It is understanding:

Where they see market distortions.

Individual Investor Checklist

• Is management serious about improving PBR?
• Are buybacks likely to continue?
• Is there room for ROE improvement?
• Is the company exiting unprofitable businesses?
• Can the balance sheet withstand higher rates?
• Is the company resilient to yen strength and yen weakness?
• Has the IR attitude changed?
• Has management begun to care about the share price?

10. Short-Term Focus

In the short term, the market is likely to keep reacting to:

• TSE reform themes
• Buyback announcements
• Capital policy in earnings releases
• Activist ownership filings

Companies that change their capital policy are especially likely to remain in focus.

11. Medium-Term Focus

Over the medium term, the important themes are:

• Rate normalization
• Persistent inflation
• ROE improvement
• Corporate restructuring

The market may shift from:

A market where everything rises

to:

A market where companies that can change are rewarded.

Scenario Analysis

The base case is neutral to slightly bullish.

Rather than buying the whole market, it becomes more important to select companies while confirming actual change.

Risks

The risk to watch most carefully is a case where reform expectations run ahead of reality.

Buybacks and dividend increases can become short-term share-price catalysts, but without stronger core earnings power, revaluation is unlikely to last.

Summary

Japan is shifting from:

A cheap country

to:

A country that has begun to change.

Hedge funds are not watching share prices alone.

They are watching:

• Capital efficiency
• Management reform
• Governance
• Cash allocation
• Interest-rate resilience
• Market distortions

In the Japanese market ahead, the key may become less:

Does everything go up?

and more:

Can you identify real change?

For individual investors, the important thing is not to chase hedge fund trades.

It is to understand why a particular distortion exists. That understanding is becoming more important for medium- to long-term investing.

Sources

This article reorganizes the topic for investors based on Tokyo Stock Exchange materials on management conscious of cost of capital and stock prices, and Bank of Japan materials on monetary policy normalization.

• Japan Exchange Group, "Publication of Key Points and Examples of Management Conscious of Cost of Capital and Stock Price From an Investor's Perspective"
• Japan Exchange Group, "Action to Implement Management Conscious of Cost of Capital and Stock Price"
• Bank of Japan, "Review of Monetary Policy Framework"
• Confirmation date: 2026-05-10