
The Harbor Mid Cap Core ETF (EPMB), part of the Harbor ETF Trust, is an actively managed investment vehicle aiming to deliver significant long-term total returns. It primarily allocates capital to common stocks and other equity instruments of mid-sized American companies. The fund specifically targets businesses demonstrating robust financial health, scrutinizing their capacity for revenue expansion, their profit margins, the manageability of their debt, their ability to generate strong cash flow, and their overall earnings outlook. This ETF provides investors with a diversified, efficient, liquid, and transparent avenue for participating in the U.S. mid-capitalization equity market.
Is EPMB's expense ratio expensive, average, or a steal for its category?
Pro reveals the verdict on a 5-tier spectrum calibrated against ICI 2025 industry averages, with strategy-aware bands so the comparison is meaningful.

In the first quarter of 2026, the Harbor Mid Cap Core ETF returned 3.28% (NAV), outperforming its benchmark, the Russell Midcap® Index, which returned 1.29%. Harbor Mid Cap Core ETF's Information Technology holdings outperformed the benchmark as investor preference shifted toward companies with stronger earnings visibility, cash flow generation, and valuation support. Albemarle Corporation shares gained approximately 27% during the quarter as investor sentiment improved following a prolonged period of lithium price correction through 2024–2025.

Ulta Beauty shares gained more than 10% in the quarter after the company reported results ahead of market expectations. We added EMCOR Group, Inc. to the portfolio during the quarter. We also added Vertiv Holdings Co. We sold Air Lease, a leading aircraft leasing company that specializes in providing a wide range of commercial aircraft to airlines worldwide, helping it expand its fleets and meet its operational needs.

In the fourth quarter of 2025, the Harbor Mid Cap Core ETF returned 3.82% (NAV), outperforming its benchmark, the Russell Midcap® Index, which returned 0.16%. Stock selection was notably strong within the Materials, Energy, and Industrials sectors, reflecting effective positioning in companies benefiting from improving fundamentals and cash-flow generation. Allocation effects were also additive, notably in the Health Care and Industrials sectors.

In Q3 2025, the Harbor Mid Cap Core ETF returned 4.96% (NAV), modestly underperforming its benchmark, the Russell Midcap® Index, which returned 5.33%, with leadership driven by growth-oriented and rate-sensitive sectors. Utilities outperformed as capital rotated into infrastructure-rich names levered to the energy transition and grid modernization. Sector positioning was a headwind, with underweights to Communication Services, Utilities, and Consumer Discretionary, and overweights to Materials, Financials, and Health Care detracting.