SIMSvsROKTETF Comparison
ETF 1
SIMS
State Street SPDR S&P Kensho Intelligent Structures ETF
This fund is part of
Smart City
+2.32%
VS
ETF 2
ROKT
State Street SPDR S&P Kensho Final Frontiers ETF
This fund is part of
Disruptive Technology
+1.91%
State Street SPDR S&P Kensho Intelligent Structures ETF (SIMS) belongs to the Smart City segment. State Street SPDR S&P Kensho Final Frontiers ETF (ROKT) is part of the Disruptive Technology segment. Both ETFs have the same top 3 sector exposures: Industrials, Technology and Energy. Both SIMS and ROKT have the same Total Expense Ratio (TER) of 0.45%. SIMS is up 3.3% year-to-date (YTD) with - in YTD flows. ROKT performs better with 25.57% YTD performance, and +$139M in YTD flows. Run a side-by-side ETF comparison of SIMS and ROKT 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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SIMS vs ROKT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/17/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SIMS ROKT | -5.20%-12.73% | -5.29%-9.49% | +3.30%+25.57% | +3.99%+46.17% | +33.26%+165.45% | +0.90%+174.75% |
| Flows | SIMS ROKT | --$5M | --$42M | -+$139M | -$2M+$148M | -$16M+$147M | -$36M+$142M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SIMS ROKT | +21.14%+25.68% | +24.46%+32.55% | +23.40%+25.47% | +25.39%+23.81% |
| Max drawdown | SIMS ROKT | -9.45%-13.87% | -15.99%-22.83% | -28.49%-23.27% | -43.75%-23.27% |
| Max drawdown duration | SIMS ROKT | 87d32d | 215d112d | 225d150d | 1450d150d |
Trading data
SIMS | ROKT | |
Last sale 9/17/2026 at 1:30 PM | $43.23 | $105.84 |
| Previous close 09/17/2026 | $42.67 | $106.72 |
| Consolidated volume 09/17/2026 | ||
| 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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SIMS | ROKT | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/17/2026 at 1:30 PM
Live
Closed
SIMS | ROKT | |
|---|---|---|
| Last price | $43.23 | $105.84 |
| 1D performance | +1.32% | -0.83% |
| AuM | $8.21 M | $181.26 M |
| E/R | 0.45% | 0.45% |
Characteristics
SIMS | ROKT | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | S&P Kensho Intelligent Infrastructure Index | S&P Kensho Final Frontiers Index |
| N° of holdings | 51 | 37 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 26, 2017 | October 22, 2018 |
| ESG | No | No |
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Exposure
Countries
SIMS
USA
79.39%
Other
20.61%
ROKT
USA
97.59%
Other
2.41%
Sectors
SIMS
Industrials
43.54%
Technology
24.42%
Energy
7.64%
Other
24.4%
ROKT
Industrials
68.9%
Technology
14.94%
Energy
9.73%
Other
6.43%
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Diversification
SIMS
Total weight of top 15 holdings out of 15
43.38%
ROKT
Total weight of top 15 holdings out of 15
52.73%
Top 15 holdings
Data as of July 31, 2026
SIMS
Itron, Inc.
3.30%
Tetra Tech, Inc.
3.23%
Arlo Technologies, Inc.
3.16%
Alarm.com Holdings, Inc.
3.13%
Resideo Technologies, Inc.
3.02%
ADT, Inc.
3.01%
Veralto Corp.
3.01%
Energy Recovery, Inc.
2.88%
Xylem, Inc.
2.88%
Johnson Controls International Plc
2.78%
Badger Meter, Inc.
2.76%
Select Water Solutions, Inc.
2.66%
Silicon Laboratories, Inc.
2.64%
Shoals Technologies Group, Inc.
2.50%
Pentair plc
2.42%
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%
Frequently asked questions about SIMS and ROKT
How have the SIMS and ROKT ETFs performed in 2026?
As of September 17, 2026, SIMS is up 3.3% year-to-date (YTD), while ROKT has returned 25.57%. That puts ROKT better performer ahead so far this year.
Which ETF is attracting more investor money: SIMS or ROKT?
Year-to-date, the SIMS ETF saw - in flows, compared to +$139M for ROKT.
Which ETF is more volatile: SIMS or ROKT?
Over the past year, SIMS had a volatility of 24.46%, while ROKT experienced 32.55%.
Which ETF is bigger: SIMS or ROKT?
As of September 17, 2026, SIMS holds $8.21 M in assets under management (AUM), while ROKT manages $181.26 M.
What sectors do the SIMS and ROKT ETFs invest in?
SIMS leans toward sectors like Industrials, Technology and Energy. Meanwhile, ROKT focuses on Industrials, Technology and Energy.
What are the top holdings of the SIMS ETF and ROKT ETF?
SIMS top holdings include Itron, Inc., Tetra Tech, Inc. and Arlo Technologies, Inc.. ROKT holds in its top three: Oceaneering International, Inc., RTX Corp. and Ducommun, Inc..
Which ETF is more diversified: SIMS or ROKT?
SIMS holds 51 securities with 43.38% of its assets in the top 15. ROKT has 37 securities and a top 15 weight of 52.73%.
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Latest news about SIMS & ROKT
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