What Is the ROKT ETF? Returns, Expense Ratio, Holdings, and Alternative ETFs
The SPDR S&P Kensho Final Frontiers ETF (ROKT) tracks a deep space and deep ocean exploration theme and concentrates its investments in frontier innovation stocks such as aerospace. Differences in thematic scope and expense ratio versus UFO and ARKX are the key selection criteria.
What Is the SPDR S&P Kensho Final Frontiers ETF?
This is a thematic ETF that tracks the S&P Kensho Final Frontiers Index. It follows an index designed to capture companies whose products and services drive innovation behind deep space and deep ocean exploration.
It suits active investors who want diversified exposure to long-term frontier themes such as aerospace and ocean exploration and who are willing to tolerate high volatility.
It is a passive (index-tracking) ETF managed by State Street.
How Does the SPDR S&P Kensho Final Frontiers ETF Invest?
| Item | Details |
|---|---|
| Tracked Index | S&P Kensho Final Frontiers Index |
| Management Style | Passive (index tracking) |
| Rebalancing Frequency | Semiannual |
| Distribution Frequency | Quarterly dividends |
| Issuer | State Street |
| Expense Ratio | 0.45% |
Under normal market conditions, the fund invests most of its total assets in the index's constituent stocks to track the performance of the frontier exploration theme. The index uses a quantitative methodology to select innovative companies related to space and ocean exploration, and because it is a non-diversified structure, a small number of stocks and sectors carry relatively large weights.
- Differentiated thematic exposure to deep space and deep ocean exploration
- Selection of innovative companies based on a quantitative methodology
SPDR S&P Kensho Final Frontiers ETF Size and Costs (AUM and Expense Ratio)
Assets under management (AUM) stand at $149.2M, and the expense ratio is 0.45% per year.
SPDR S&P Kensho Final Frontiers ETF Performance and Trends
As is typical of thematic ETFs, it tends to be more volatile than broad market indexes, and its ups and downs depend on investor sentiment toward related sectors such as aerospace and defense. Short-term returns tend to react sensitively to thematic momentum.
Fund flows tend to fluctuate with market interest in the frontier theme, and its asset size is relatively small compared with broad core ETFs. Supply and demand can shift depending on the theme cycle.
SPDR S&P Kensho Final Frontiers ETF Pros and Cons
Differentiated frontier theme exposure is its strength, while the non-diversified structure, high volatility, and relatively high expense ratio are its drawbacks.
💪 Key Strengths
⚠️ Points to Watch
Alternative ETFs and Related Products for the SPDR S&P Kensho Final Frontiers ETF
For comparison, there are ETFs that cover the same aerospace theme. Representative alternatives include UFO, which offers exposure to the pure space industry, ARKX, which invests in space exploration companies through active management, and XAR and ITA, which follow aerospace and defense themes with large defense weightings. This ETF differs somewhat from these in thematic scope because it also covers deep ocean exploration.
| Ticker | Name | Price | Change | AUM | Total Expense Ratio | Dividend Yield | 1Y |
|---|---|---|---|---|---|---|---|
| Schwab Fundamental U.S. Large Company ETF | $32.67 | +0.2% | $28.3B | 0.25% | 1.44% | +22.2% | |
| Invesco RAFI US 1000 ETF | $56.19 | +0.3% | $10.1B | 0.34% | 1.32% | +22.4% | |
| Schwab Fundamental U.S. Small Company ETF | $35.86 | +0.5% | $8.8B | 0.25% | 1.23% | +13.8% | |
| Columbia Research Enhanced Core ETF | $45.38 | +0.2% | $6.2B | 0.15% | 0.71% | +11.8% | |
| John Hancock Multifactor Mid Cap ETF | $73.15 | +0.5% | $6.0B | 0.41% | 0.9% | +12.0% |
| Ticker | Name | Weight | Price | Change | Market Cap | P/E | Dividend Yield |
|---|---|---|---|---|---|---|---|
| State Street My2031 Municipal Bond ETF | 0.15% | $24.62 | +0.2% | $0.0M | - | 2.62% | |
| Planet Labs PBC | 0.06% | $13.76 | +2.6% | $5.0B | - | - | |
| Intuitive Machines Inc | 0.04% | $10.48 | -0.4% | $1.8B | - | - | |
| Iridium Communications Inc | 0.08% | $44.51 | +0.3% | $4.7B | 29.5 | 1.39% | |
| Esco Technologies Inc | 0.04% | $235.57 | +1.5% | $7.3B | 43.0 | 0.14% | |
| Oceaneering International Inc | 0.04% | $40.24 | +2.5% | $4.0B | 12.2 | - | |
| LMT | Lockheed Martin Corp | 0.04% | $635.20 | +5.1% | $146.6B | 22.6 | 2.2% |
| Ducommun Inc | 0.04% | $163.52 | +4.0% | $2.5B | - | - |
Investor Checkpoints for the SPDR S&P Kensho Final Frontiers ETF
Here are the points to review before investing in ROKT. As a differentiated frontier thematic ETF, it requires you to check volatility, stock concentration, and expense burden in advance, and it is wise to consider whether it fits your risk tolerance and investment horizon.
| Checkpoint | What to Check | Current Status |
|---|---|---|
| 🚀 Theme Fit | Appropriateness of frontier theme weighting | Long-term view recommended |
| 💵 Expense Ratio | Cumulative impact over a long holding period | Somewhat high |
| 📊 Stock Concentration | Volatility of a non-diversified structure | Concentrated exposure |
| 💱 Exchange Rate | Impact on returns converted to Korean won | Currency hedge not applied |
As a non-diversified thematic ETF, its main risk is volatility stemming from concentration in a small number of sectors and stocks. If thematic momentum weakens, it may underperform broad indexes, and short-term losses can be large.
It is a suitable choice for investors who want diversified exposure to the frontier theme as a satellite asset in their portfolio. However, given its non-diversified structure and volatility, a conservative allocation is recommended.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. All investment responsibility lies with the investor.
This article reflects information as of June 18, 2026.