ETF Evaluator: First Trust Mid Cap Core AlphaDEX® ETF (FNX) Follow This ETF

First Trust Mid Cap Core AlphaDEX® ETF Overview

First Trust Mid Cap Core AlphaDEX® ETF (FNX) is a passively managed U.S. Equity Mid-Cap Blend exchange-traded fund (ETF). First Trust launched the ETF in 2007.

The investment seeks investment results that correspond generally to the price and yield (before the fund's fees and expenses) of an equity index called the Nasdaq AlphaDEX® Mid Cap Core Index. The fund will normally invest at least 90% of its net assets (including investment borrowings) in the securities that comprise the index. The index is designed to select stocks from the NASDAQ US 600 Mid Cap Index TM (the "base index") that may generate positive alpha, or risk-adjusted returns, relative to traditional indices through the use of the AlphaDEX® selection methodology.

About First Trust Mid Cap Core AlphaDEX® ETF (FNX)

There are 7 members of the management team with an average tenure of 15.94 years: Daniel Lindquist (2007), Jon Erickson (2007), David McGarel (2007), Stan Ueland (2007), Chris Peterson (2016), Erik Russo (2020) and Roger Testin (2007). Management tenure is more important for actively managed ETFs than passive index ETFs.

The ETF has 2 primary benchmarks: Russell 3000 TR USD index with a weighting of 100% and NASDAQ AlphaDEX(R) Mid Cap Core TR USD index with a weighting of 100%. First Trust Mid Cap Core AlphaDEX® ETF has 451 securities in its portfolio. The top 10 holdings constitute 5.9% of the ETF’s assets. The ETF meets the SEC requirement of being classified as a diversified fund. The ETF is not considered to have an ESG focus with its investment selection and management.

First Trust Mid Cap Core AlphaDEX® ETF is part of the Equity global asset class and is within the U.S. Equity ETF group. First Trust Mid Cap Core AlphaDEX® ETF has 0.7% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 99.3% There is 0.7% allocated to foreign stock, and 0.0% is allocated to preferred stocks. The bond allocation as a percentage of total assets is 0.0% (0.0% domestic bond, 0.0% foreign bond and 0.0% convertible bond). First Trust Mid Cap Core AlphaDEX® ETF has 0.1% of the portfolio in cash.

Assets Under Management

The fund has $1 billion in total assets, which is below the $4 billion average for the Mid-Cap Blend category. Normally, lower assets under management translates to higher average expense ratios, and greater total assets are desired. However, for some investment categories, such as small-cap investing, it may be difficult for the manager to fully employ the desired active strategy if assets grow too large or too quickly.

FNX Performance and Fees

The expense ratio measures how much of a fund’s assets are used for administrative expenses and operating expenses, including adviser fees and fees for the transfer agent and custodial services. The First Trust Mid Cap Core AlphaDEX® ETF expense ratio is above average compared to funds in the Mid-Cap Blend category. First Trust Mid Cap Core AlphaDEX® ETF has an expense ratio of 0.62%, which is 36% higher than its category average, making the fund expense ratio grade a D. While it is difficult to predict returns, it is known that high annual expense ratios reduce your rate of return, and excessive fees are difficult to overcome. Active management normally comes with higher expense ratios than passive index management. Certain investment categories such as small company and foreign also normally have higher expense ratios. It is best to compare fund expense ratios against the category averages for meaningful assessments.

High portfolio turnover can translate to higher expenses and lower aftertax returns. First Trust Mid Cap Core AlphaDEX® ETF has a portfolio turnover rate of 96%, which indicates that it holds its assets around / 0.0 years. By way of comparison, the average portfolio turnover is 77% for the Mid-Cap Blend category.

Recently, in the month of June 2026, First Trust Mid Cap Core AlphaDEX® ETF returned 4.6%, which earned it a grade of B, as the Mid-Cap Blend category had an average return of 3.4%. The letter grades of A, B, C, D and F are based upon relative rankings within the investment category. A grade of A, for example, would indicate that the return is in the highest 20% for that time period compared to all ETFs in that category.

First Trust Mid Cap Core AlphaDEX® ETF has a trailing yield of 0.80%, which is below the 0.85% category average. The fund normally distributes its income quarterly and its capital gains annually.

It’s natural to seek the best-performing investments, but you must consider the relationship between risk and return and the impact of costs and taxes on your realized returns.

First Trust Mid Cap Core AlphaDEX® ETF Grades

Year to date, the ETF has returned 16.7%, 0.5 percentage points better than the category, which translates into a grade of C. The fund has returned 28.4% over the past year (grade of B), 16.3% over the past three years (grade of C) and 9.2% per year over the past five years (grade of C) and 12.5% per year over the past 10 years (grade of B).

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