ROKTvsXARETF Comparison
ETF 1
ROKT
State Street SPDR S&P Kensho Final Frontiers ETF
This fund is part of
Disruptive Technology
+0%
VS
ETF 2
XAR
State Street SPDR S&P Aerospace & Defense ETF
State Street SPDR S&P Kensho Final Frontiers ETF (ROKT) belongs to the Disruptive Technology segment. State Street SPDR S&P Aerospace & Defense ETF (XAR) is part of the segment. ROKT's top 3 sector exposures are Industrials, Technology and Energy. In contrast, XAR's top sector exposures are Industrials, Non-Energy Materials and Technology. ROKT is more expensive with a Total Expense Ratio (TER) of 0.45%, versus 0.35% for XAR. ROKT is up 28.24% year-to-date (YTD) with +$142M in YTD flows. XAR performs worse with 5.08% YTD performance, and +$889M in YTD flows. Run a side-by-side ETF comparison of ROKT and XAR below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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ROKT vs XAR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/04/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ROKT XAR | -7.58%-10.24% | -14.63%-9.81% | +28.24%+5.08% | +54.63%+17.81% | +162.85%+113.87% | +175.98%+115.56% |
| Flows | ROKT XAR | -$8M-$24M | -$27M+$39M | +$142M+$889M | +$150M+$1.15B | +$149M+$2.04B | +$144M+$2.39B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ROKT XAR | +33.41%+30.33% | +32.47%+29.51% | +25.43%+24.16% | +23.78%+23.93% |
| Max drawdown | ROKT XAR | -17.24%-15.68% | -22.83%-17.03% | -23.27%-19.74% | -23.27%-27.60% |
| Max drawdown duration | ROKT XAR | 92d19d | 99d204d | 150d109d | 150d608d |
Trading data
ROKT | XAR | |
Last sale 9/4/2026 at 7:48 PM | $108.82 | $254.92 |
| Previous close 09/04/2026 | $108.51 | $252.92 |
| Consolidated volume 09/04/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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ROKT | XAR | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/4/2026 at 7:48 PM
Live
Closed
ROKT | XAR | |
|---|---|---|
| Last price | $108.82 | $254.92 |
| 1D performance | +0.29% | +0.79% |
| AuM | $187.29 M | $5.69 B |
| E/R | 0.45% | 0.35% |
Characteristics
ROKT | XAR | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | S&P Kensho Final Frontiers Index | S&P Aerospace & Defense Select Industry Index |
| N° of holdings | 37 | 47 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 22, 2018 | September 28, 2011 |
| ESG | No | No |
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Exposure
Countries
ROKT
USA
97.59%
Other
2.41%
XAR
USA
98.94%
Other
1.06%
Sectors
ROKT
Industrials
68.9%
Technology
14.94%
Energy
9.73%
Other
6.43%
XAR
Industrials
94.06%
Other
5.94%
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Diversification
ROKT
Total weight of top 15 holdings out of 15
52.73%
XAR
Total weight of top 15 holdings out of 15
46.1%
Top 15 holdings
Data as of July 31, 2026
ROKT
Oceaneering International, Inc.
4.09%
RTX Corp.
4.00%
Ducommun, Inc.
3.85%
Hexcel Corp.
3.71%
Lockheed Martin Corp.
3.67%
HEICO Corp.
3.67%
Teledyne Technologies, Inc.
3.60%
ESCO Technologies, Inc.
3.42%
Iridium Communications, Inc.
3.42%
The Boeing Co.
3.42%
Moog, Inc.
3.38%
Northrop Grumman Corp.
3.30%
Forum Energy Technologies, Inc.
3.26%
L3Harris Technologies, Inc.
3.03%
ViaSat, Inc.
2.90%
XAR
RTX Corp.
3.35%
StandardAero, Inc.
3.27%
Axon Enterprise, Inc.
3.26%
Howmet Aerospace, Inc.
3.12%
GE Aerospace
3.12%
Huntington Ingalls Industries, Inc.
3.12%
Hexcel Corp.
3.10%
General Dynamics Corp.
3.10%
VSE Corp.
3.10%
HEICO Corp.
3.07%
Lockheed Martin Corp.
3.06%
Karman Holdings, Inc.
2.90%
TransDigm Group, Inc.
2.86%
The Boeing Co.
2.85%
ATI, Inc.
2.82%
Frequently asked questions about ROKT and XAR
How have the ROKT and XAR ETFs performed in 2026?
As of September 4, 2026, ROKT is up 28.24% year-to-date (YTD), while XAR has returned 5.08%. That puts ROKT better performer ahead so far this year.
Which ETF is attracting more investor money: ROKT or XAR?
Year-to-date, the ROKT ETF saw +$142M in flows, compared to +$889M for XAR.
Which ETF is more volatile: ROKT or XAR?
Over the past year, ROKT had a volatility of 32.47%, while XAR experienced 29.51%.
Which ETF is bigger: ROKT or XAR?
As of September 4, 2026, ROKT holds $187.29 M in assets under management (AUM), while XAR manages $5.69 B.
What sectors do the ROKT and XAR ETFs invest in?
ROKT leans toward sectors like Industrials, Technology and Energy. Meanwhile, XAR focuses on Industrials.
What are the top holdings of the ROKT ETF and XAR ETF?
ROKT top holdings include Oceaneering International, Inc., RTX Corp. and Ducommun, Inc.. XAR holds in its top three: RTX Corp., StandardAero, Inc. and Axon Enterprise, Inc..
Which ETF is more diversified: ROKT or XAR?
ROKT holds 37 securities with 52.73% of its assets in the top 15. XAR has 47 securities and a top 15 weight of 46.1%.
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