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SMLLvsMSSMETF Comparison

ETF 1

SMLL

Harbor Active Small Cap ETF

This fund is part of

US Small Cap

-0.24%

Full SMLL fund page

VS

ETF 2

MSSM

Morgan Stanley Pathway Small-Mid Cap Equity ETF

This fund is part of

US Multi-Factor

-0.22%

Full MSSM fund page

Harbor Active Small Cap ETF (SMLL) belongs to the US Small Cap segment. Morgan Stanley Pathway Small-Mid Cap Equity ETF (MSSM) is part of the US Multi-Factor segment. SMLL's top 3 sector exposures are Industrials, Financials and Information Technology. In contrast, MSSM's top sector exposures are Industrials, Information Technology and Financials. SMLL is less expensive with a Total Expense Ratio (TER) of 0.8%, versus 0.9% for MSSM. SMLL is up 3.76% year-to-date (YTD) with -$985K in YTD flows. MSSM performs better with 12.76% YTD performance, and -$41M in YTD flows. Run a side-by-side ETF comparison of SMLL and MSSM 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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SMLL vs MSSM 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 04/22/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SMLL MSSM	+8.39%+10.53%	-2.36%+3.66%	+3.76%+12.76%	+11.15%+45.41%	n/an/a	n/an/a
Flows	SMLL MSSM	-$476K-$35M	+$38K-$33M	-$985K-$41M	-$1M-$26M	--	--

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SMLL MSSM	+18.32%+20.47%	+18.36%+17.53%	n/an/a	n/an/a
Max drawdown	SMLL MSSM	-12.23%-9.62%	-15.18%-9.62%	n/an/a	n/an/a
Max drawdown duration	SMLL MSSM	90d46d	241d46d	n/an/a	n/an/a

Trading data

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	SMLL	MSSM
Last sale 4/23/2026 at 1:30 PM	$20.48	$56.84
Previous close 04/23/2026	$20.65	$56.96
Consolidated volume 04/23/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Main metrics

Last update 4/23/2026 at 1:30 PM

Live

Closed

	SMLL	MSSM
Last price	$20.48	$56.84
1D performance	-0.85%	-0.21%
AuM	$13.96 M	$723.90 M
E/R	0.8%	0.9%

Characteristics

	SMLL	MSSM
Management strategy	Active	Active
Provider	Harbor Capital	Morgan Stanley
Benchmark	-	-
N° of holdings	38	1902
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	August 28, 2024	December 9, 2024
ESG	No	No

More SMLL data on Trackinsight

More MSSM data on Trackinsight

Exposure

Countries

SMLL

USA

88.29%

Other

11.71%

MSSM

USA

79.68%

Other

20.32%

Sectors

SMLL

Industrials

23.93%

Financials

17.71%

Information Techn.

15.55%

Materials

8.13%

Other

34.68%

MSSM

Industrials

19.29%

Information Techn.

17.22%

Financials

11.21%

Health Care

9.3%

Consumer Discreti.

7.76%

Other

35.23%

Diversification

SMLL

Total weight of top 15 holdings out of 15

52.34%

MSSM

Total weight of top 15 holdings out of 15

10.47%

Top 15 holdings

Data as of March 31, 2026

SMLL

POOL

4.87%

RELIANCE STEEL

4.64%

WINTRUST FINCL

3.97%

DOUGLAS DYNMCS

3.90%

REMITLY GLOBAL

3.64%

LIBERTY OILFIELD SERVICES

3.62%

MORNINGSTAR INC

3.59%

WILLSCOT MOBILE MINI HOLDINGS CORP

3.45%

SS+C TECHNOL

3.25%

UNITED BANKSHRS

3.19%

JANUS INTERNATIONAL GROUP INC

3.03%

PAYLOCITY HOLD/D

2.97%

FRESHWORKS

2.81%

ARTISAN PARTNERS ASSET MANAGEMENT INC

2.79%

HILLMAN SOLUTIONS CORP

2.62%

MSSM

COMFORT SYSTEMS USA

1.13%

TECHNIPFMC PLC

1.07%

US04351P1012

1.03%

CIENA

0.86%

VIASAT

0.80%

BLOOM ENERGY CORP

0.73%

ORMAT TECHNOLOGIES

0.59%

PLEXUS

0.57%

RESIDEO TECHNOLOGIES

0.56%

REGAL REXNORD CORP

0.55%

FABRINET

0.54%

TEXAS CAPITAL

0.54%

ITT

0.52%

CALIX NETWORKS

0.51%

PRIMORIS SERVICES

0.48%

Frequently asked questions about SMLL and MSSM

How have the SMLL and MSSM ETFs performed in 2026?

As of April 22, 2026, SMLL is up 3.76% year-to-date (YTD), while MSSM has returned 12.76%. That puts MSSM better performer ahead so far this year.

Which ETF is attracting more investor money: SMLL or MSSM?

Year-to-date, the SMLL ETF saw -$985K in flows, compared to -$41M for MSSM.

Which ETF is more volatile: SMLL or MSSM?

Over the past year, SMLL had a volatility of 18.36%, while MSSM experienced 17.53%.

Which ETF is bigger: SMLL or MSSM?

As of April 22, 2026, SMLL holds $13.96 M in assets under management (AUM), while MSSM manages $723.90 M.

What sectors do the SMLL and MSSM ETFs invest in?

SMLL leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, MSSM focuses on Industrials, Information Technology and Financials.

SMLLvsMSSMETF Comparison

Harbor Active Small Cap ETF

Morgan Stanley Pathway Small-Mid Cap Equity ETF

SMLL vs MSSM 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 SMLL and MSSM ETFs performed in 2026?

As of April 22, 2026, SMLL is up 3.76% year-to-date (YTD), while MSSM has returned 12.76%. That puts MSSM better performer ahead so far this year.

Which ETF is attracting more investor money: SMLL or MSSM?

Year-to-date, the SMLL ETF saw -$985K in flows, compared to -$41M for MSSM.

Which ETF is more volatile: SMLL or MSSM?

Over the past year, SMLL had a volatility of 18.36%, while MSSM experienced 17.53%.

Which ETF is bigger: SMLL or MSSM?

As of April 22, 2026, SMLL holds $13.96 M in assets under management (AUM), while MSSM manages $723.90 M.

What sectors do the SMLL and MSSM ETFs invest in?

SMLL leans toward sectors like Industrials, Financials and Information Technology. Meanwhile, MSSM focuses on Industrials, Information Technology and Financials.

What are the top holdings of the SMLL ETF and MSSM ETF?

SMLL top holdings include POOL, RELIANCE STEEL and WINTRUST FINCL. MSSM holds in its top three: COMFORT SYSTEMS USA, TECHNIPFMC PLC and US04351P1012.

Which ETF is more diversified: SMLL or MSSM?

SMLL holds 38 securities with 52.34% of its assets in the top 15. MSSM has 1949 securities and a top 15 weight of 10.47%.

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