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TMSLvsSMOXETF Comparison

ETF 1

TMSL

T. Rowe Price Small-Mid Cap ETF

This fund is part of

US Multi-Factor

+0.72%

Full TMSL fund page

VS

ETF 2

SMOX

Horizon Small/Mid Cap Core Equity ETF

This fund is part of

Options Strategies

+0.4%

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 Information Technology. TMSL is less expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.75% for SMOX. TMSL is up 18.75% year-to-date (YTD) with +$956M in YTD flows. SMOX performs better with 19.53% YTD performance, and +$11M 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 06/12/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	TMSL SMOX	+3.79%+3.40%	+17.28%+14.41%	+18.75%+19.53%	+32.47%n/a	+70.79%n/a	n/an/a
Flows	TMSL SMOX	+$150M+$11M	+$603M+$12M	+$956M+$11M	+$1.23B-	+$2.02B-	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	TMSL SMOX	+22.12%+17.06%	+17.57%n/a	+18.47%n/a	n/an/a
Max drawdown	TMSL SMOX	-5.55%-3.75%	-10.97%n/a	-24.43%n/a	n/an/a
Max drawdown duration	TMSL SMOX	13d6d	46dn/a	283dn/a	n/an/a

Trading data

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	TMSL	SMOX
Last sale 6/15/2026 at 4:39 PM	$43.18	$30.15
Previous close 06/12/2026	$42.64	$30.07
Consolidated volume 06/12/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Main metrics

Last update 6/15/2026 at 4:39 PM

Live

Closed

	TMSL	SMOX
Last price	$43.18	$30.15
1D performance	+1.25%	+0.28%
AuM	$2.43 B	$72.78 M
E/R	0.55%	0.75%

Characteristics

	TMSL	SMOX
Management strategy	Active	Active
Provider	T. Rowe Price	Horizon Investments
Benchmark	-	-
N° of holdings	230	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

74.36%

Other

25.64%

SMOX

USA

94.34%

Other

5.66%

Sectors

TMSL

Industrials

18.04%

Information Techn.

15.83%

Financials

13.88%

Health Care

9.58%

Consumer Discreti.

7.9%

Other

34.77%

SMOX

Industrials

21.36%

Financials

13.95%

Information Techn.

11.8%

Consumer Discreti.

10.48%

Health Care

7.99%

Other

34.42%

Diversification

TMSL

Total weight of top 15 holdings out of 15

14.09%

SMOX

Total weight of top 15 holdings out of 15

15.52%

Top 15 holdings

Data as of April 30, 2026

TMSL

POPULAR

1.16%

TECHNIPFMC PLC

1.06%

TELEDYNE TECH

1.01%

CIENA

1.00%

API GROUP CORP

1.00%

TENET HEALTHCARE

0.97%

MIDDLEBY

0.93%

EAST WEST BANCORP

0.91%

MKS INSTRUMENTS

0.90%

US71424F1057

0.90%

NVENT ELECTRIC PLC

0.89%

STONEX GROUP INC

0.88%

RAMBUS

0.86%

AXIS CAPITAL HOLDINGS

0.81%

US2199481068

0.81%

SMOX

US19247G1076

1.45%

CASEYS GENERAL STORES

1.40%

TECHNIPFMC PLC

1.37%

CURTISS WRIGHT

1.23%

UTD THERAPEUT

1.20%

TD SYNNEX

1.07%

TENET HEALTHCARE

0.98%

ALCOA CORP

0.94%

WOODWARD

0.94%

NVENT ELECTRIC PLC

0.92%

US FOODS HOLDING CORP

0.82%

TOLL BROTHERS

0.82%

TWILIO

0.80%

US71424F1057

0.79%

RBC BEARINGS

0.79%

Frequently asked questions about TMSL and SMOX

How have the TMSL and SMOX ETFs performed in 2026?

As of June 12, 2026, TMSL is up 18.75% year-to-date (YTD), while SMOX has returned 19.53%. 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 +$956M in flows, compared to +$11M for SMOX.

Which ETF is bigger: TMSL or SMOX?

As of June 12, 2026, TMSL holds $2.43 B in assets under management (AUM), while SMOX manages $72.78 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 Information Technology.

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

TMSL top holdings include POPULAR, TECHNIPFMC PLC and TELEDYNE TECH. SMOX holds in its top three: US19247G1076, CASEYS GENERAL STORES and TECHNIPFMC PLC.

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 June 12, 2026, TMSL is up 18.75% year-to-date (YTD), while SMOX has returned 19.53%. 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 +$956M in flows, compared to +$11M for SMOX.

Which ETF is bigger: TMSL or SMOX?

As of June 12, 2026, TMSL holds $2.43 B in assets under management (AUM), while SMOX manages $72.78 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 Information Technology.

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

TMSL top holdings include POPULAR, TECHNIPFMC PLC and TELEDYNE TECH. SMOX holds in its top three: US19247G1076, CASEYS GENERAL STORES and TECHNIPFMC PLC.

Which ETF is more diversified: TMSL or SMOX?

TMSL holds 235 securities with 14.09% of its assets in the top 15. SMOX has 284 securities and a top 15 weight of 15.52%.

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