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Enter a mutual fund ticker to check its top 10 holdings and sector allocation. Analyze fund investment styles and concentration risks easily online.
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A mutual fund's holdings are like a recipe's ingredient list—we use holding weight to measure the proportion of each stock or bond in the fund's total assets. The higher the top 10 holdings concentration (the percentage of the fund's net assets represented by its top 10 holdings), the more the fund relies on a few individual stocks, and the greater the volatility risk. This tool organizes publicly available quarterly fund report data into a structured list and automatically calculates a simplified version of the Herfindahl-Hirschman Index (HHI)—the top 10 holdings percentage—helping you quickly determine whether a fund is "diversified" or "making concentrated bets".
Top 10 Holdings Percentage = Σ (Weight of the i-th holding as a percentage of net assets), where i = 1 to 10.
Where the weight of each holding = (Market value of the holding ÷ Fund's net assets) × 100%.
The closer this metric is to 100%, the more the fund concentrates almost all its assets in the top 10 stocks, indicating highly concentrated risk; a value below 40% is generally considered sufficiently diversified. Why is this reasonable? Because a fund's volatility is primarily driven by its top holdings, and concentration directly reflects "how many baskets your eggs are in".
Let's take a growth fund as an example. Open the Mutual Fund Holdings Lookup calculator above:
Comparison Example 1: Enter an index fund ticker 110020. The top 10 holdings total is usually only 25%-35% (because index funds have many constituent stocks). The concentration card will show "Diversified", which is suitable for conservative asset allocation.
Comparison Example 2: Enter a sector theme fund 001532. The top 10 holdings total might exceed 70%, and the sector allocation is almost entirely "Healthcare". Even if the holdings are spread across 10 stocks, a single sector implies systemic risk. When interpreting the results, you need to consider both "sector concentration" and "individual stock concentration".
Initial investment of 1 million, annual net cash inflow of 300,000, NPV under different discount rates and terms (Unit: 10,000):
| Term | 5% Discount Rate | 8% Discount Rate | 10% Discount Rate | 12% Discount Rate |
|---|---|---|---|---|
| 5 Years | 29.88 | 19.78 | 13.72 | 8.14 |
| 7 Years | 73.59 | 56.19 | 46.05 | 36.91 |
| 10 Years | 131.65 | 101.30 | 84.34 | 69.51 |
| 15 Years | 211.39 | 156.78 | 128.18 | 104.33 |
| Top 10 Holdings Percentage | Meaning | Investment Advice |
|---|---|---|
| < 30% | Highly diversified, similar to a pure passive index fund | Suitable for long-term dollar-cost averaging, lower volatility |
| 30% – 50% | Moderately concentrated, average active management | Can be allocated as a satellite position |
| 50% – 70% | Relatively concentrated, fund manager prefers heavy positions | Need to monitor individual stock risks, suitable for higher risk tolerance |
| > 70% | Extremely concentrated, almost betting | Extremely high risk, must align with personal risk tolerance |
Also, consider the sector allocation: If a single sector accounts for more than 50%, even if individual stocks are diversified, the sector's systemic risk remains concentrated.
Now you can enter any fund ticker in the calculator above to check its holding concentration and compare the style differences of various funds.
