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TMSLvsSMOXETF Comparison

ETF 1

TMSL

T. Rowe Price Small-Mid Cap ETF

This fund is part of

US Multi-Factor

-0.05%

Full TMSL fund page

VS

ETF 2

SMOX

Horizon Small/Mid Cap Core Equity ETF

This fund is part of

Options Strategies

-0.03%

Full SMOX fund page

T. Rowe Price Small-Mid Cap ETF (TMSL) belongs to the US Multi-Factor segment. Horizon Small/Mid Cap Core Equity ETF (SMOX) is part of the Options Strategies segment. TMSL's top 3 sector exposures are Industrials, Information Technology and Financials. In contrast, SMOX's top sector exposures are Industrials, Financials and Consumer Discretionary. TMSL is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.75% for SMOX. TMSL is up 10.7% year-to-date (YTD) with +$562M in YTD flows. SMOX performs better with 13.05% YTD performance, and -$445K in YTD flows. Run a side-by-side ETF comparison of TMSL and SMOX 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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TMSL vs SMOX performance and flow charts

Performance

Cumulative Flows

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Daily, global ETF data for advanced analysis or integration into apps (API), from our partner Trackinsight.

Data Services

Historic performance and flows

Data as of 04/28/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TMSL SMOX	+12.55%+9.92%	+4.12%+6.04%	+10.70%+13.05%	+34.76%n/a	n/an/a	n/an/a
Flows	TMSL SMOX	+$218M-	+$407M+$77K	+$562M-$445K	+$890M-	--	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TMSL SMOX	+22.11%+17.54%	+17.00%n/a	n/an/a	n/an/a
Max drawdown	TMSL SMOX	-10.97%-7.75%	-10.97%n/a	n/an/a	n/an/a
Max drawdown duration	TMSL SMOX	46d37d	46dn/a	n/an/a	n/an/a

Trading data

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	TMSL	SMOX
Last sale 4/29/2026 at 7:59 PM	$39.43	$28.45
Previous close 04/29/2026	$39.54	$28.45
Consolidated volume 04/29/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Main metrics

Last update 4/29/2026 at 7:59 PM

Live

Closed

	TMSL	SMOX
Last price	$39.43	$28.45
1D performance	-0.28%	+0.00%
AuM	$1.88 B	$58.02 M
E/R	0.55%	0.75%

Characteristics

	TMSL	SMOX
Management strategy	Active	Active
Provider	T. Rowe Price	Horizon Investments
Benchmark	-	-
N° of holdings	226	267
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	June 15, 2023	December 3, 2025
ESG	No	No

More TMSL data on Trackinsight

More SMOX data on Trackinsight

Exposure

Countries

TMSL

USA

75.38%

Other

24.62%

SMOX

USA

94.03%

Other

5.97%

Sectors

TMSL

Industrials

17.55%

Information Techn.

14.87%

Financials

13.73%

Health Care

10.01%

Consumer Discreti.

8.74%

Other

35.1%

SMOX

Industrials

20.9%

Financials

14.05%

Consumer Discreti.

10.85%

Information Techn.

10.29%

Health Care

8.7%

Energy

7.02%

Other

28.19%

Diversification

TMSL

Total weight of top 15 holdings out of 15

14.28%

SMOX

Total weight of top 15 holdings out of 15

15.42%

Top 15 holdings

Data as of March 31, 2026

TMSL

TECHNIPFMC PLC

1.20%

TENET HEALTHCARE

1.12%

POPULAR

1.11%

US71424F1057

1.05%

TELEDYNE TECH

1.03%

API GROUP CORP

1.00%

MIDDLEBY

0.94%

CIENA

0.89%

AXIS CAPITAL HOLDINGS

0.89%

FABRINET

0.87%

TEXTRON

0.85%

MKS INSTRUMENTS

0.84%

EAST WEST BANCORP

0.84%

NVENT ELECTRIC PLC

0.83%

US2199481068

0.82%

SMOX

UTD THERAPEUT

1.39%

TECHNIPFMC PLC

1.38%

CASEYS GENERAL STORES

1.37%

CURTISS WRIGHT

1.21%

TENET HEALTHCARE

1.11%

US19247G1076

1.11%

WOODWARD

0.98%

ALCOA CORP

0.98%

US FOODS HOLDING CORP

0.92%

US71424F1057

0.91%

TD SYNNEX

0.84%

NEW YORK TIMES

0.82%

NVENT ELECTRIC PLC

0.81%

TOLL BROTHERS

0.81%

RBC BEARINGS

0.78%

Frequently asked questions about TMSL and SMOX

How have the TMSL and SMOX ETFs performed in 2026?

As of April 28, 2026, TMSL is up 10.7% year-to-date (YTD), while SMOX has returned 13.05%. That puts SMOX better performer ahead so far this year.

Which ETF is attracting more investor money: TMSL or SMOX?

Year-to-date, the TMSL ETF saw +$562M in flows, compared to -$445K for SMOX.

Which ETF is bigger: TMSL or SMOX?

As of April 28, 2026, TMSL holds $1.88 B in assets under management (AUM), while SMOX manages $58.02 M.

What sectors do the TMSL and SMOX ETFs invest in?

TMSL leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, SMOX focuses on Industrials, Financials and Consumer Discretionary.

What are the top holdings of the TMSL ETF and SMOX ETF?

TMSL top holdings include TECHNIPFMC PLC, TENET HEALTHCARE and POPULAR. SMOX holds in its top three: UTD THERAPEUT, TECHNIPFMC PLC and CASEYS GENERAL STORES.

TMSLvsSMOXETF Comparison

T. Rowe Price Small-Mid Cap ETF

Horizon Small/Mid Cap Core Equity ETF

TMSL vs SMOX performance and flow charts

Performance

Cumulative Flows

Get all the metrics on this page, and more, through a reliable ETF data feed

Countries

Sectors

Diversification

Top 15 holdings

How have the TMSL and SMOX ETFs performed in 2026?

As of April 28, 2026, TMSL is up 10.7% year-to-date (YTD), while SMOX has returned 13.05%. That puts SMOX better performer ahead so far this year.

Which ETF is attracting more investor money: TMSL or SMOX?

Year-to-date, the TMSL ETF saw +$562M in flows, compared to -$445K for SMOX.

Which ETF is bigger: TMSL or SMOX?

As of April 28, 2026, TMSL holds $1.88 B in assets under management (AUM), while SMOX manages $58.02 M.

What sectors do the TMSL and SMOX ETFs invest in?

TMSL leans toward sectors like Industrials, Information Technology and Financials. Meanwhile, SMOX focuses on Industrials, Financials and Consumer Discretionary.

What are the top holdings of the TMSL ETF and SMOX ETF?

TMSL top holdings include TECHNIPFMC PLC, TENET HEALTHCARE and POPULAR. SMOX holds in its top three: UTD THERAPEUT, TECHNIPFMC PLC and CASEYS GENERAL STORES.

Which ETF is more diversified: TMSL or SMOX?

TMSL holds 231 securities with 14.28% of its assets in the top 15. SMOX has 280 securities and a top 15 weight of 15.42%.

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