Best Flexi Cap Funds In September 2025: Parag Parikh, HDFC, Kotak and More Based on AUM

A Flexi Cap fund is an open-ended equity mutual fund that gives fund managers the freedom to invest in large-cap, mid-cap, and small-cap stocks without any set limits. These funds are required to keep at least 65% of their portfolio in equities, while the remaining allocation can be adjusted depending on market conditions and growth opportunities. This flexible approach not only improves diversification but also helps balance risks while targeting higher returns. 

In this article, we will explore the top-performing flexi cap funds in September 2025, evaluated on the basis of AUM.

Best Flexi Cap Funds in September Based on AUM

Note: The top Flexi Cap Funds for September 2025 have been listed in order of their Assets Under Management (AUM) as of August 21, 2025.

Overview of Best Flexi Cap Funds In September 2025

1. Parag Parikh Flexi Cap Fund

The Flexi Cap Fund invests 66.5% in domestic equities, with 51.12% in large-cap stocks, 2.38% in mid-cap, and 3.28% in small-cap stocks. It also allocates 10.5% to debt, including 0.65% in government securities and 9.85% in low-risk instruments.

Key Metrics: 

• NAV: ₹92.31
• 1M Returns: 0.39%
• 1Y Returns: 8.39%
• CAGR: 19.91%
• Expense Ratio: 0.63%

2. HDFC Flexi Cap Fund

HDFC Flexi Cap Fund has invested 87% of its portfolio in domestic equities, with 59.25% in large-cap, 2.59% in mid-cap, and 4.33% in small-cap stocks. It also holds 0.66% in debt, fully allocated to government securities.

Key Metrics: 

• NAV: ₹2,198.47
• 1M Returns: 1.87%
• 1Y Returns: 9.33%
• CAGR: 17.27%
• Expense Ratio: 0.72%

3. Kotak Flexi Cap Fund

Kotak Flexi Cap Fund has allocated 98.12% of its portfolio to domestic equities, with 54.37% in large-cap stocks, 27.4% in mid-cap stocks, and 6.43% in small-cap stocks.

Key Metrics: 

• NAV: ₹95.76
• 1M Returns: 0.18%
• 1Y Returns: 4.65%
• CAGR: 16.85%
• Expense Ratio: 0.59%

4. UTI Flexi Cap Fund

UTI Flexi Cap Fund has 96.13% of its portfolio in domestic equities, with 32.14% in large-cap stocks, 15.3% in mid-cap stocks, and 6.57% in small-cap stocks. Additionally, it has a 0.2% allocation to debt, entirely in government securities.

Key Metrics: 

• NAV: ₹352.34
• 1M Returns: 1.00%
• 1Y Returns: 4.63%
• CAGR: 14.54%
• Expense Ratio: 1.00%

5. Aditya Birla SL Flexi Cap Fund

Aditya Birla SL Flexi Cap Fund has invested 98.09% of its portfolio in Indian equities, allocating 56.43% to large-cap companies, 15.69% to mid-caps, and 8.15% to small-caps.

Key Metrics: 

• NAV: ₹2,011.99
• 1M Returns: 0.68%
• 1Y Returns: 4.93%
• CAGR: 16.93%
• Expense Ratio: 0.86%

Read more: Top Mutual Funds for September 2025 That Delivered Highest Returns in the Last 10 Years.

Conclusion

Flexi Cap funds give investors the advantage of diversification across market caps while adapting to market conditions. The top performers—Parag Parikh, HDFC, Kotak, UTI, and Aditya Birla—stand out for their strong AUM and returns, making them an ideal options for long-term wealth creation.

Disclaimer: This blog has been written exclusively for educational purposes. The securities mentioned are only examples and not recommendations. This does not constitute a personal recommendation/investment advice. It does not aim to influence any individual or entity to make investment decisions. Recipients should conduct their own research and assessments to form an independent opinion about investment decisions. 

Investments in the securities market are subject to market risks, read all the related documents carefully before investing.