ROKTvsSIMSETF Comparison
VS
ETF 2
SIMS
State Street SPDR S&P Kensho Intelligent Structures ETF
This fund is part of
Smart City
+0.73%
State Street SPDR S&P Kensho Final Frontiers ETF (ROKT) belongs to the Space & Deep Sea segment. State Street SPDR S&P Kensho Intelligent Structures ETF (SIMS) is part of the Smart City segment. Both ETFs have the same top 3 sector exposures: Industrials, Information Technology and Energy. Both ROKT and SIMS have the same Total Expense Ratio (TER) of 0.45%. ROKT is up 30.13% year-to-date (YTD) with +$97M in YTD flows. SIMS performs worse with 9.77% YTD performance, and - in YTD flows. Run a side-by-side ETF comparison of ROKT and SIMS 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 SIMS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 04/24/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | ROKT SIMS | +8.39%+7.52% | +10.76%+3.21% | +30.13%+9.77% | +112.73%+53.89% | +176.70%+44.24% | +176.10%+2.44% |
| Flows | ROKT SIMS | +$68M- | +$83M- | +$97M- | +$107M-$3M | +$104M-$19M | +$97M-$30M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | ROKT SIMS | +34.21%+20.32% | +25.91%+23.33% | +22.77%+23.16% | +22.07%+25.10% |
| Max drawdown | ROKT SIMS | -11.27%-10.88% | -11.27%-15.99% | -23.27%-28.60% | -23.28%-43.75% |
| Max drawdown duration | ROKT SIMS | 36d73d | 36d177d | 150d722d | 718d1450d |
Trading data
ROKT | SIMS | |
Last sale 4/27/2026 at 1:30 PM | $109.82 | $45.97 |
| Previous close 04/24/2026 | $110.63 | $45.72 |
| Consolidated volume 04/24/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 31, 2026
1-year trailing difference
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ROKT | SIMS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 4/27/2026 at 1:30 PM
Live
Closed
ROKT | SIMS | |
|---|---|---|
| Last price | $109.82 | $45.97 |
| 1D performance | -0.73% | +0.54% |
| AuM | $152.54 M | $8.73 M |
| E/R | 0.45% | 0.45% |
Characteristics
ROKT | SIMS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | S&P Kensho Final Frontiers Index | S&P Kensho Intelligent Infrastructure Index |
| N° of holdings | 32 | 39 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 22, 2018 | December 26, 2017 |
| ESG | No | No |
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Exposure
Countries
ROKT
USA
93.91%
Other
6.09%
SIMS
USA
86.28%
Ireland
7.73%
Other
6%
Sectors
ROKT
Industrials
63.78%
Information Techn.
11.94%
Energy
7.63%
Other
16.64%
SIMS
Industrials
43.65%
Information Techn.
22.64%
Other
33.72%
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Diversification
ROKT
Total weight of top 15 holdings out of 15
56.47%
SIMS
Total weight of top 15 holdings out of 15
49.16%
Top 15 holdings
Data as of March 31, 2026
ROKT
PLANET LABS PBC
6.17%
US46125A1007
4.48%
IRIDIUM COMMUNICATIONS
4.21%
ESCO TECHNOLOGIES
3.97%
OCEANEERING INTL
3.72%
LOCKHEED MARTIN
3.69%
NORTHROP GRUMMAN
3.51%
MOOG
3.50%
L3 HARRIS TECHNOLOGIES
3.45%
DUCOMMUN
3.40%
HONEYWELL INTL
3.37%
TELEDYNE TECH
3.35%
REDWIRE CORPORATION
3.25%
ELBIT SYSTEMS
3.23%
US7731211089
3.19%
SIMS
SILICON LABS
4.43%
BLOOM ENERGY CORP
4.15%
SELECT ENERGY SERVICES
3.94%
GENERAC HOLDINGS
3.64%
JOHNSON CONTROLS INTERNATIONAL
3.51%
MUELLER WATER PRODUCTS SER
3.46%
HAWKINS
3.40%
ARLO TECHNOLOGIES INC
3.07%
RESIDEO TECHNOLOGIES
2.96%
SUNCOR ENERGY
2.89%
ITRON
2.83%
US92338C1036
2.80%
TETRA TECH
2.75%
XYLEM
2.68%
BADGER METER
2.66%
Frequently asked questions about ROKT and SIMS
How have the ROKT and SIMS ETFs performed in 2026?
As of April 24, 2026, ROKT is up 30.13% year-to-date (YTD), while SIMS has returned 9.77%. That puts ROKT better performer ahead so far this year.
Which ETF is attracting more investor money: ROKT or SIMS?
Year-to-date, the ROKT ETF saw +$97M in flows, compared to - for SIMS.
Which ETF is more volatile: ROKT or SIMS?
Over the past year, ROKT had a volatility of 25.91%, while SIMS experienced 23.33%.
Which ETF is bigger: ROKT or SIMS?
As of April 24, 2026, ROKT holds $152.54 M in assets under management (AUM), while SIMS manages $8.73 M.
What sectors do the ROKT and SIMS ETFs invest in?
ROKT leans toward sectors like Industrials, Information Technology and Energy. Meanwhile, SIMS focuses on Industrials and Information Technology.
What are the top holdings of the ROKT ETF and SIMS ETF?
ROKT top holdings include PLANET LABS PBC, US46125A1007 and IRIDIUM COMMUNICATIONS. SIMS holds in its top three: SILICON LABS, BLOOM ENERGY CORP and SELECT ENERGY SERVICES.
Which ETF is more diversified: ROKT or SIMS?
ROKT holds 35 securities with 56.47% of its assets in the top 15. SIMS has 43 securities and a top 15 weight of 49.16%.
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Latest news about ROKT & SIMS
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