Should You Invest in the iShares U.S. Aerospace & Defense ETF (ITA)?

The iShares U.S. Aerospace & Defense ETF (ITA), a passively managed fund tracking the Dow Jones U.S. Select Aerospace & Defense Index, has grown to over $9.19 billion in AUM and delivered robust year-to-date returns of 37.13% and a one-year return of 40.45% as of September 2025. Offering a competitive 0.38% expense ratio, ITA provides concentrated exposure to the aerospace and defense sector, with its top three holdings—GE Aerospace, RTX, and Boeing—and top ten holdings comprising 75.99% of its 41 constituents, positioning it as a medium-risk vehicle for targeted sector investment.

Analysis

The iShares U.S. Aerospace & Defense ETF (ITA) demonstrates significant strength, underscored by a robust one-year return of 40.45% and a year-to-date return of 37.13% as of September 2025. As one of the largest ETFs in its category with over $9.19 billion in assets, ITA provides targeted exposure to a sector ranked in the top 19% by Zacks. Its risk profile is characterized as medium, with a beta of 0.90 and a three-year standard deviation of 18.27%, suggesting slightly less volatility than the broader market. A key structural characteristic is its high concentration; with only 41 holdings, the top ten constituents account for 75.99% of total assets, and a single holding, GE Aerospace (GE), represents a substantial 21.22%. This concentration, while a driver of recent outperformance, implies that the fund's trajectory is heavily dependent on a few large-cap names, including RTX and Boeing. The fund's competitive 0.38% expense ratio and a Zacks ETF Rank of 2 (Buy) further solidify its position as a primary vehicle for investors seeking direct exposure to the U.S. aerospace and defense industry.

Key Decisions for Investors

• Given the fund's strong momentum, favorable sector ranking, and 'Buy' rating from Zacks, investors with a bullish outlook on U.S. aerospace and defense should consider ITA for targeted thematic exposure.
• Potential investors must acknowledge the significant concentration risk, as the fund's performance is disproportionately influenced by its top holdings, particularly GE Aerospace, necessitating close monitoring of these specific companies.
• For long-term allocations, investors should weigh ITA's 0.38% expense ratio against alternatives like the SPDR S&P Aerospace & Defense ETF (XAR), which offers a slightly lower fee of 0.35%.
• Despite a beta below 1.0, the fund's performance is intrinsically linked to geopolitical tensions and defense budget cycles, which should be considered primary risk factors in any investment thesis.