Shareholder Report |
6 Months Ended | ||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2026
USD ($)
Holdings
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| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Document Type | N-CSR | ||||||||||||||||||||||||||||||||||||||||
| Amendment Flag | false | ||||||||||||||||||||||||||||||||||||||||
| Registrant Name | Matthew 25 Fund | ||||||||||||||||||||||||||||||||||||||||
| Entity Central Index Key | 0001003839 | ||||||||||||||||||||||||||||||||||||||||
| Entity Investment Company Type | N-1A | ||||||||||||||||||||||||||||||||||||||||
| Document Period End Date | Jun. 30, 2026 | ||||||||||||||||||||||||||||||||||||||||
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | ||||||||||||||||||||||||||||||||||||||||
| MATTHEW 25 FUND | |||||||||||||||||||||||||||||||||||||||||
| Shareholder Report [Line Items] | |||||||||||||||||||||||||||||||||||||||||
| Fund Name | MATTHEW 25 FUND | ||||||||||||||||||||||||||||||||||||||||
| Class Name | Matthew 25 Fund | ||||||||||||||||||||||||||||||||||||||||
| Trading Symbol | MXXVX | ||||||||||||||||||||||||||||||||||||||||
| Annual or Semi-Annual Statement [Text Block] |
ADDITIONAL INFORMATION
This contains important information about the Matthew 25 Fund - MXXVX for the period January 1, 2026 to June 30, 2026. |
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| Additional Information [Text Block] |
You can find additional information, including the Shareholder's Letter, at www.matthew25fund.com or you can also request this information by contacting us at 1-888-M25-FUND. |
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| Additional Information Phone Number | 1-888-M25-FUND | ||||||||||||||||||||||||||||||||||||||||
| Additional Information Website | www.matthew25fund.com | ||||||||||||||||||||||||||||||||||||||||
| Expenses [Text Block] |
expense Information
What were the Fund costs for the past six months? (based on a hypothetical $10,000 investment)
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| Expenses Paid, Amount | $ 57 | ||||||||||||||||||||||||||||||||||||||||
| Expense Ratio, Percent | 1.10% | ||||||||||||||||||||||||||||||||||||||||
| Factors Affecting Performance [Text Block] |
managment’s discussion of fund performance
Dear Owners,
Our Matthew 25 Fund (MXXVX) returned 8.97% in the first 6 months of 2026. This was less than the 10.21% return on the S&P 500 Index (SPX). I am optimistic about our current portfolio of growth and value investments that I believe will benefit from the many technological changes happening now and going forward. I discuss this more fully in our June 30, 2026 Shareholder letter available on our website at: https://www.matthew25fund.com/annual-reports/ I always emphasize long-term investing over trading and speculation, and I am optimistic that we can increase our Matthew 25 Fund’s long-term performance over the stock market’s averages:
A $10,000 investment in MXXVX at its inception of 10/16/1995 has grown to $292,580.58. My wife and I have been owners since inception and continue to purchase shares. We currently own 13.53% of MXXVX. During the first half of this year, I made the following changes to our portfolio: Sold – FedEx, Interface and Nucor Bought + Coherent and Palantir Technologies These changes were made to improve the growth potential and/or the intrinsic value of our investments. To see the performance of our legacy holdings and additional portfolio information, please visit our website to read our Semi-annual Shareholder Letter for 6/30/26. As always, it is my honor to work for you and to invest side-by-side with you. Good fortune, Mark Mulholland |
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| Performance Past Does Not Indicate Future [Text] | Past performance is not a good predictor of future performance | ||||||||||||||||||||||||||||||||||||||||
| Line Graph [Table Text Block] |
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| Average Annual Return [Table Text Block] |
Performance graph
AVERAGE ANNUAL RETURNS
Hypothetical Cumulative Performance Comparison of $10,000 Investment For the Past 10 Years
Past performance is not a good predictor of future performance. The returns shown do not reflect taxes that a shareholder would pay on Fund distributions or on the redemption of Fund shares. Updated performance data current to the most recent month-end can be obtained by calling 1-888-M25-FUND. |
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| Net Assets | $ 347,264,233 | ||||||||||||||||||||||||||||||||||||||||
| Holdings Count | Holdings | 21 | ||||||||||||||||||||||||||||||||||||||||
| Advisory Fees Paid, Amount | $ 1,635,420 | ||||||||||||||||||||||||||||||||||||||||
| Investment Company, Portfolio Turnover | 17.67% | ||||||||||||||||||||||||||||||||||||||||
| Additional Fund Statistics [Text Block] |
Fund statistics
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| Holdings [Text Block] |
Asset Allocation
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| Largest Holdings [Text Block] |
top ten holdings
*Indicates a combined position. |
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| Material Fund Change [Text Block] |
How has the Fund changed
The Fund has not had any material changes during the six months ended June 30, 2026. |
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| Updated Prospectus Phone Number | 1-888-M25-FUND | ||||||||||||||||||||||||||||||||||||||||
| Updated Prospectus Web Address | https://www.matthew25fund.com/ |