ETF Evaluator:
Harbor AlphaEdge Mid Cap Core ETF (AEMC)
Follow This ETF
(as of Sep 14)
Best Performing in Mid-Cap Blend Over the Last Year
| 49.2% | Castellan Targeted Equity ETF (CTEF) |
| 49.1% | Invesco S&P Spin-Off ETF (CSD) |
| 40.4% | Invesco S&P 500® High Beta ETF (SPHB) |
| 40.0% | Counterpoint Quantitative Equity ETF (CPAI) |
| 35.5% | Optimize Strategy Index ETF (OPTZ) |
Risk
Index
Risk
Index
ETF Details
Harbor AlphaEdge Mid Cap Core ETF Overview
Harbor AlphaEdge Mid Cap Core ETF (AEMC) is an actively managed U.S. Equity Mid-Cap Blend exchange-traded fund (ETF). Harbor Capital Advisors Inc launched the ETF in 2026.
The investment seeks long-term growth of capital.
Under normal circumstances, the fund invests at least 80% of its net assets, plus borrowings for investment purposes, in equity securities of mid cap companies.
About Harbor AlphaEdge Mid Cap Core ETF (AEMC)
There are 2 members of the management team with an average tenure of 0.01 years: Spenser Lerner (2026) and Justin Menne (2026). Management tenure is more important for actively managed ETFs than passive index ETFs.
Harbor AlphaEdge Mid Cap Core ETF has 100 securities in its portfolio. The top 10 holdings constitute 27.7% 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.
Harbor AlphaEdge Mid Cap Core ETF is part of the Equity global asset class and is within the U.S. Equity ETF group. Harbor AlphaEdge Mid Cap Core ETF has 4.0% of its portfolio invested in foreign issues. The overall assets allocated to domestic stock is 96.1% There is 4.0% 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). Harbor AlphaEdge Mid Cap Core ETF has 0.0% of the portfolio in cash.
Assets Under Management
The fund has $1 million 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.
AEMC 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 Harbor AlphaEdge Mid Cap Core ETF expense ratio is below average compared to funds in the Mid-Cap Blend category. Harbor AlphaEdge Mid Cap Core ETF has an expense ratio of 0.35%, which is 22% lower than its category average, making the fund expense ratio grade a B. 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. Harbor AlphaEdge Mid Cap Core ETF has a portfolio turnover rate of 0%, which indicates that it holds its assets around /years. By way of comparison, the average portfolio turnover is 84% for the Mid-Cap Blend category.
Recently, in the month of August 2026, Harbor AlphaEdge Mid Cap Core ETF returned 0.0%, which earned it a grade of NA, as the Mid-Cap Blend category had an average return of 1.2%. 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.
Harbor AlphaEdge Mid Cap Core ETF has a trailing yield of 0.00%, which is below the 0.83% category average.
The fund normally distributes its income annually 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.
For more ETF grades, analysis and screening tools to help your investment discovery, join AAII for a $2, full-access trial. Learn more here: https://invest.aaii.com/membership.
Otherwise, for more information about Harbor AlphaEdge Mid Cap Core ETF, including its riskiness, submit your email to unlock the rest of the article.
Gain access to exclusive AAII member-only content.
AEMC Trailing NAV Total Returns Data as of 8/31/26
| Last Month |
Last Quarter |
Ann'l. 1Yr |
Ann'l. 3Yr |
Ann'l. 5Yr |
Ann'l. 10Yr |
|
| AEMC Return (NAV) | na | na | na | na | na | na |
| AEMC Return (Price) | na | na | na | na | na | na |
| NAV +/- Price Return | na | na | na | na | na | na |
| Mid-Cap Blend Avg | 1.2% | 2.8% | 18.4% | 16.2% | 8.6% | 11.8% |
| AEMC Grade (NAV) | na | na | na | na | na | na |
| +/- Category (NAV) | na | na | na | na | na | na |
| AEMC Tax-Cost Ratio | na | na | na | na | na | na |
AEMC Annual NAV Total ReturnsData as of 8/31/26
| 2026 | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
| AEMC Return (NAV) | na | na | na | na | na | na | na | na | na | na | na |
| AEMC Return (Price) | na | na | na | na | na | na | na | na | na | na | na |
| NAV +/- Price Ret | na | na | na | na | na | na | na | na | na | na | na |
| Mid-Cap Blend Avg | 15.3% | 10.6% | 16.1% | 16.9% | -14.4% | 23.3% | 15.6% | 27.4% | -9.1% | 19.1% | 14.8% |
| AEMC Grade (NAV) | na | na | na | na | na | na | na | na | na | na | na |
| +/- Category | na | na | na | na | na | na | na | na | na | na | na |
| Risk Measures | |
| Beta: | na |
| R-Squared: | na |
| Standard Deviation: | na |
| Category Risk Index: | na |
| Category Risk Rating: | |
| Total Risk Index: | na |
| Total Risk Rating: | |
| Portfolio Characteristics | |
| Yield: | -- |
| Total Assets: | $ 2 Mil |
| Share Class Assets: | $ 2 Mil |
| Turnover: | na |
| Expense Ratio: | 0.35% |
| Index Fund: | No |
| Index Tracked: | N/A |
| Index Weighting: | 100% |
| Leveraged: | No |
| Socially Responsible Fund: | No |
| Capital Gains Distribution Frequency: | Annually |
| Income Distribution Frequency: | Annually |
Management Team
| Number of Managers: 2 | |||
| Longest Tenure: 0.0 years | |||
| Average Tenure: 0.0 years | |||
| Managers (Year): Lerner Spenser (2026), Menne Justin (2026) | |||
Portfolio Composition (as of 8/29/26)
| # of Holdings: | 100 |
| % in Top 10 Holdings: | 27.7% |
| Fund is Non-Diversified: | No |
| % in Foreign Issues: | 4.0% |
Portfolio Allocation |
|
| Domestic Stock: | 96.1% |
| Foreign Stock: | 4.0% |
| Preferred Stock: | 0.0% |
| Domestic Bond: | 0.0% |
| Foreign Bond: | 0.0% |
| Convertible Bond: | 0.0% |
| Other: | 0.0% |
| Cash: | 0.0% |
Purchase Information
| Legal Structure: | Open Ended Investment Company |
| Fund Family: | Harbor Capital Advisors Inc |
| Phone Number: | 800-422-1050 |
| Website: | |
| Inception Date: | August 26, 2026 |
Expenses and Fees
| Expense Ratio (%): | 0.35% (Rating: Below Avg) |
| Category Average Expense Ratio (%): | 0.45% |