Mario Gabelli - Gamco Investors, Inc. Et Al Portfolio Q2'2025: Top Holdings & Recent Changes
Welcome to the Value Sense Blog, your resource for insights on the stock market At Value Sense, we focus on intrinsic value tools and offer stock ideas with undervalued companies. Dive into our research products and learn more about our unique approach at valuesense.io
Explore diverse stock ideas covering technology, healthcare, and commodities sectors. Our insights are crafted to help investors spot opportunities in undervalued growth stocks, enhancing potential returns. Visit us to see evaluations and in-depth market research.
Mario Gabelli, founder of Gamco Investors, Inc., continues to demonstrate his strategic investment approach through his Q2 2025 portfolio. This quarter, Gabelli's portfolio reflects a mix of adjustments and long-term commitments, with a focus on diversified holdings across various sectors. Notable changes include reductions in Crane Company, Mueller Industries, and Sony Group Corporation, while additions were made to Herc Holdings Inc. and Madison Square Garden Sports Corp.
Portfolio Overview: Diversified Excellence

Portfolio Highlights (Q2 2025): - Market Value: $10.1 billion - Top 10 Holdings: 15.6% of the portfolio - Portfolio Size: 1048 positions (an increase of 186) - Average Holding Period: 26 quarters - Turnover: 25.0%
Mario Gabelli's portfolio is characterized by its extensive diversification, with a large number of positions spread across different sectors. This approach reflects Gabelli's strategy of managing risk while seeking opportunities for growth. The portfolio's turnover rate indicates active management, with adjustments made to optimize returns based on market conditions.
The concentration of the top 10 holdings at 15.6% suggests that while Gabelli maintains a diversified approach, he also focuses on key positions that are expected to drive significant returns. The increase in portfolio size by 186 positions further emphasizes his commitment to exploring new opportunities.
Holdings Overview: Strategic Adjustments
The portfolio is marked by several key holdings and strategic adjustments. Notable positions include Crane Company 2.2%, Mueller Industries 2.0%, and GATX Corporation 2.0%, all of which saw reductions in the quarter. Meanwhile, Sony Group Corporation 1.5% and American Express Company 1.5% also experienced reductions. On the other hand, Herc Holdings Inc. 1.4% and Madison Square Garden Sports Corp. 1.3% were added to, reflecting Gabelli's ongoing search for growth opportunities.
Other notable holdings include National Fuel Gas Company 1.3% and Republic Services, Inc. 1.2%, which also saw adjustments. These changes highlight Gabelli's active management style, continuously evaluating and adjusting his positions to align with market conditions.
What the Portfolio Reveals
The recent adjustments in Gabelli's portfolio reveal a strategic focus on maintaining a diversified investment base while actively managing positions to optimize returns. Key themes include:
- Diversification: The extensive number of holdings underscores Gabelli's risk management approach, spreading investments across various sectors to mitigate risk.
- Sector Focus: While the portfolio is broadly diversified, there is a noticeable presence of industrial and consumer discretionary stocks, indicating a strategic focus on sectors with growth potential.
- Geographic Concentration: The portfolio primarily focuses on U.S.-based companies, with some international exposure, such as Sony Group Corporation, reflecting a balanced approach to global markets.
Portfolio Concentration Analysis
| Position | Value | % of Portfolio | Recent Change | 
|---|---|---|---|
| Crane Company | $217.9M | 2.2% | Reduce 1.76% | 
| Mueller Industries, Inc. | $206.5M | 2.0% | Reduce 2.45% | 
| GATX Corporation | $197.5M | 2.0% | Reduce 1.12% | 
| Sony Group Corporation | $151.5M | 1.5% | Reduce 3.87% | 
| American Express Company | $150.1M | 1.5% | Reduce 4.02% | 
| Herc Holdings Inc. | $146.7M | 1.4% | Add 2.36% | 
| BANK OF NEW YORK MELLON CORP | $131.5M | 1.3% | Reduce 3.03% | 
| Madison Square Garden Sports Corp. | $128.5M | 1.3% | Add 1.90% | 
| National Fuel Gas Company | $128.0M | 1.3% | Add 1.01% | 
| Republic Services, Inc. | $122.1M | 1.2% | Reduce 3.12% | 
The concentration of the top 10 holdings at 15.6% of the portfolio highlights Gabelli's strategy of maintaining a diversified base while focusing on key positions. The recent reductions in several top holdings suggest a cautious approach, potentially preparing for market shifts or rebalancing the portfolio for better alignment with current market conditions.
Investment Lessons from Mario Gabelli
Mario Gabelli's investment strategy offers several key lessons for investors:
- Diversification is Key: Gabelli's extensive portfolio demonstrates the importance of spreading risk across multiple sectors and companies.
- Active Management: Regular adjustments to the portfolio reflect the need for ongoing evaluation and adaptation to changing market conditions.
- Long-Term Focus: The average holding period of 26 quarters underscores the value of patience and long-term commitment in investing.
Looking Ahead: What Comes Next?
As Gabelli continues to navigate the market, his portfolio adjustments suggest a readiness to adapt to changing conditions. With a significant portion of the portfolio dedicated to diversified holdings, Gabelli is well-positioned to capitalize on emerging opportunities while managing risk. The current market conditions, coupled with Gabelli's strategic approach, set the stage for potential new investments in sectors showing growth potential.
FAQ about Mario Gabelli's Portfolio
Q: What is the significance of Mario Gabelli's recent portfolio adjustments?
A: The adjustments reflect Gabelli's active management style, aiming to optimize returns by rebalancing positions based on market conditions.
Q: How does Gabelli's portfolio concentration impact his investment strategy?
A: The concentration of the top 10 holdings allows Gabelli to focus on key positions while maintaining a diversified base, balancing risk and potential for growth.
Q: How can investors track Mario Gabelli's portfolio changes?
A: Investors can track Gabelli's portfolio through 13F filings and platforms like ValueSense, which provide insights into his investment strategy and recent changes.
Q: What sectors does Gabelli primarily focus on?
A: While Gabelli's portfolio is diversified, there is a notable presence of industrial and consumer discretionary stocks, indicating a strategic focus on these sectors.
Explore More Investment Opportunities
For investors seeking undervalued companies with high fundamental quality, our analytics team provides curated stock lists:
📌 50 Undervalued Stocks (Best overall value plays for 2025)
📌 50 Undervalued Dividend Stocks (For income-focused investors)
📌 50 Undervalued Growth Stocks (High-growth potential with strong fundamentals)
🔍 Check out these stocks on the Value Sense platform for free!
