The iShares U.S. Aerospace & Defense ETF (NYSEMKT:ITA) provides established, low-cost vulnerability to accepted U.S. defence contractors, portion the ARK Space & Defense Innovation ETF (NYSEMKT:ARKX) offers an actively managed, tech-heavy attack to planetary orbital exploration.
Investors looking astatine these funds are often targeting the intersection of nationalist information and aerospace technology. The iShares money tracks a market-cap-weighted scale of home aerospace firms and manages a monolithic $13.6 cardinal successful assets nether absorption (AUM). In contrast, the ARK money takes a smaller, much thematic attack with ~$717.3 cardinal successful AUM, focusing connected companies that alteration abstraction innovation careless of their superior manufacture classification.
Snapshot (cost & size)
| Issuer | ARK | iShares |
| Expense ratio | 0.75% | 0.38% |
| 1-yr instrumentality (as of June 3, 2026) | 69.50% | 26.10% |
| Beta | 1.42 | 0.74 |
| AUM | ~$717.3 million | ~$13.6 billion |
Beta measures terms volatility comparative to the S&P 500; beta is calculated from five-year monthly returns. The 1-yr instrumentality represents full instrumentality implicit the trailing 12 months.
The iShares money is the importantly much affordable enactment for semipermanent holders, with an disbursal ratio of 0.38% that is astir fractional the 0.75% charged by the ARK fund. This little interest operation provides a persistent headwind for the ARK money successful a head-to-head outgo comparison, arsenic higher expenses tin importantly erode full returns implicit an extended concern horizon.
Performance & hazard examination
| Max drawdown (four yr) | (25.60%) | (15.80%) |
| Growth of $1,000 implicit 4 years (total return) | $2,367 | $2,238 |
What's wrong
The iShares U.S. Aerospace & Defense ETF focuses exclusively connected the industrials assemblage and was launched successful 2006. Its portfolio of 44 holdings is concentrated successful established U.S. giants; its largest positions see GE Aerospace (NYSE:GE) astatine 20.49%, RTX (NYSE:RTX) astatine 14.38%, and Boeing (NYSE:BA) astatine 9.16%. This passive attack offers vulnerability to the home proviso concatenation and large authorities contractors.
The ARK Space & Defense Innovation ETF, launched successful 2021, takes a much diversified assemblage attack with astir 56% successful industrials, 27% successful technology, and 8% successful user cyclicals. Its largest positions see Advanced Micro Devices (NASDAQ:AMD) astatine 7.91%, Rocket Lab (NASDAQ:RKLB) astatine 7.66%, and L3Harris Technologies (NYSE:LHX) astatine 7.08%. The money holds 45 positions and maintains an progressive absorption strategy focused connected disruptive orbital and suborbital technologies.
For much guidance connected ETF investing, cheque retired the afloat usher astatine this link.

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