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SMOXvsTMSLETF Comparison
Horizon Small/Mid Cap Core Equity ETF (SMOX) belongs to the Options Strategies segment. T. Rowe Price Small-Mid Cap ETF (TMSL) is part of the US Multi-Factor segment. SMOX's top 3 sector exposures are Industrials, Financials and Information Technology. In contrast, TMSL's top sector exposures are Industrials, Information Technology and Financials. SMOX is more expensive with a Total Expense Ratio (TER) of 0.75%, versus 0.55% for TMSL. SMOX is up 4.48% year-to-date (YTD) with -$1M in YTD flows. TMSL performs worse with 3.8% YTD performance, and +$353M in YTD flows. Run a side-by-side ETF comparison of SMOX and TMSL below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
SMOX vs TMSL performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SMOX TMSL | -3.90%-5.30% | +3.38%+0.86% | +4.48%+3.80% | n/a+24.26% | n/an/a | n/an/a |
| Flows | SMOX TMSL | -$558K+$144M | -$580K+$380M | -$1M+$353M | -+$893M | -- | -- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SMOX TMSL | +14.39%+16.65% | n/a+21.54% | n/an/a | n/an/a |
| Max drawdown | SMOX TMSL | -6.26%-6.80% | n/a-16.11% | n/an/a | n/an/a |
| Max drawdown duration | SMOX TMSL | 10d13d | n/a46d | n/an/a | n/an/a |
SMOX | TMSL | |
Last sale 3/13/2026 at 1:30 PM | $26.26 | $36.29 |
| Previous close 03/12/2026 | $26.28 | $36.16 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
SMOX | TMSL | |
|---|---|---|
| Last price | $26.26 | $36.29 |
| 1D performance | -0.08% | +0.36% |
| AuM | $53.10 M | $1.57 B |
| E/R | 0.75% | 0.55% |
SMOX | TMSL | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | Horizon Investments | T. Rowe Price |
| Benchmark | - | - |
| N° of holdings | 274 | 225 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 3, 2025 | June 15, 2023 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the SMOX and TMSL ETFs performed in 2026?
As of March 12, 2026, SMOX is up 4.48% year-to-date (YTD), while TMSL has returned 3.8%. That puts SMOX better performer ahead so far this year.
Which ETF is attracting more investor money: SMOX or TMSL?
Year-to-date, the SMOX ETF saw -$1M in flows, compared to +$353M for TMSL.
Which ETF is bigger: SMOX or TMSL?
As of March 12, 2026, SMOX holds $53.10 M in assets under management (AUM), while TMSL manages $1.57 B.
What sectors do the SMOX and TMSL ETFs invest in?
SMOX leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, TMSL focuses on Industrials, Information Technology and Financials.
What are the top holdings of the SMOX ETF and TMSL ETF?
SMOX top holdings include US80004C2008, COMFORT SYSTEMS USA and CIENA. TMSL holds in its top three: MKS INSTRUMENTS, POPULAR and API GROUP CORP.
Which ETF is more diversified: SMOX or TMSL?
SMOX holds 286 securities with 16.62% of its assets in the top 15. TMSL has 231 securities and a top 15 weight of 15.27%.
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