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SEISvsPRFZETF Comparison

ETF 1

SEIS

SEI Select Small Cap ETF

This fund is part of

US Small Cap

+0.12%

Full SEIS fund page

VS

ETF 2

PRFZ

Invesco RAFI US 1500 Small-Mid ETF

This fund is part of

US Multi-Factor

+0%

Full PRFZ fund page

SEI Select Small Cap ETF (SEIS) belongs to the US Small Cap segment. Invesco RAFI US 1500 Small-Mid ETF (PRFZ) is part of the US Multi-Factor segment. SEIS's top 3 sector exposures are Financials, Information Technology and Industrials. In contrast, PRFZ's top sector exposures are Health Care, Information Technology and Industrials. SEIS is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.34% for PRFZ. SEIS is up 10.76% year-to-date (YTD) with +$69M in YTD flows. PRFZ performs worse with 10.06% YTD performance, and +$29M in YTD flows. Run a side-by-side ETF comparison of SEIS and PRFZ 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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SEIS vs PRFZ 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 04/24/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	SEIS PRFZ	+11.16%+12.23%	+4.44%+3.67%	+10.76%+10.06%	+34.85%+37.92%	n/a+65.16%	n/a+46.88%
Flows	SEIS PRFZ	+$26M-$2M	+$60M+$40M	+$69M+$29M	+$184M-$79M	--$131M	-+$43M

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	SEIS PRFZ	+22.25%+20.00%	+18.84%+18.32%	n/a+20.48%	n/a+21.28%
Max drawdown	SEIS PRFZ	-10.68%-9.30%	-11.33%-10.44%	n/a-26.51%	n/a-26.51%
Max drawdown duration	SEIS PRFZ	63d47d	84d84d	n/a283d	n/a283d

Trading data

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	SEIS	PRFZ
Last sale 4/28/2026 at 1:30 PM	$30.53	$50.03
Previous close 04/27/2026	$30.90	$50.40
Consolidated volume 04/27/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of March 31, 2026

1-year trailing difference

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SEIS

is actively managed and doesn’t replicate an index

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	SEIS	PRFZ
Tracking error
Tracking difference
1 year cumulative return difference
Best
Worst
Daily return difference
Average
Worst

Main metrics

Last update 4/28/2026 at 1:30 PM

Live

Closed

	SEIS	PRFZ
Last price	$30.53	$50.03
1D performance	-1.22%	-0.73%
AuM	$499.97 M	$2.87 B
E/R	0.55%	0.34%

Characteristics

	SEIS	PRFZ
Management strategy	Active	Passive
Provider	SEI	Invesco
Benchmark	-	RAFI Fundamental Select US 1500 Index
N° of holdings	316	1347
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	October 9, 2024	September 20, 2006
ESG	No	No

More SEIS data on Trackinsight

More PRFZ data on Trackinsight

Exposure

Countries

SEIS

USA

84.66%

Other

15.34%

PRFZ

USA

95.18%

Other

4.82%

Sectors

SEIS

Financials

17.25%

Information Techn.

17.05%

Industrials

16.8%

Health Care

13.22%

Consumer Discreti.

12.73%

Other

22.95%

PRFZ

Health Care

15.78%

Information Techn.

15.76%

Industrials

13.94%

Financials

13.52%

Consumer Discreti.

10.23%

Other

30.77%

Diversification

SEIS

Total weight of top 15 holdings out of 15

15.1%

PRFZ

Total weight of top 15 holdings out of 15

6.14%

Top 15 holdings

Data as of March 31, 2026

SEIS

CNO FINANCIAL GROUP

1.37%

BRIDGEBIO PHARMA

1.23%

COMMERCIAL METALS

1.10%

TTM TECHNOLOGIES

1.10%

CLEAR SECURE

1.08%

MOLINA HLTHCRE

0.99%

WTTS WTER TECH

0.99%

ENOVA INTERNATIONAL

0.98%

OLD NATL BANCORP

0.96%

JACKSON FINANCIAL INC

0.92%

EXLSERVICE HOLDINGS

0.90%

PHOTRONICS

0.88%

URBAN OUTFITTERS

0.87%

BRINKER INTERNATIONAL

0.87%

STERLING INFRASTRUCTURE INC

0.86%

PRFZ

OPENDOOR TECHNOLOGIES INC

0.57%

ADVANCED ENERGY INDUSTRIES

0.48%

CRESCENT ENERGY COMPANY

0.48%

PAR PACIFIC HOLDINGS INC

0.47%

ROIVANT SCIENCES LTD

0.46%

VIAVI SOLUTIONS INC

0.42%

ATI INC

0.42%

TTM TECHNOLOGIES

0.40%

IONIS PHARMACEUTICALS INC

0.40%

ONTO INNOVATION INC

0.37%

FORMFACTOR

0.36%

PRIMORIS SERVICES

0.35%

VALARIS LTD

0.33%

HECLA MINING

0.33%

ATLANTIC UNION BANKSHARES CORPORATION

0.32%

Frequently asked questions about SEIS and PRFZ

How have the SEIS and PRFZ ETFs performed in 2026?

As of April 24, 2026, SEIS is up 10.76% year-to-date (YTD), while PRFZ has returned 10.06%. That puts SEIS better performer ahead so far this year.

Which ETF is attracting more investor money: SEIS or PRFZ?

Year-to-date, the SEIS ETF saw +$69M in flows, compared to +$29M for PRFZ.

Which ETF is more volatile: SEIS or PRFZ?

Over the past year, SEIS had a volatility of 18.84%, while PRFZ experienced 18.32%.

Which ETF is bigger: SEIS or PRFZ?

As of April 24, 2026, SEIS holds $499.97 M in assets under management (AUM), while PRFZ manages $2.87 B.

What sectors do the SEIS and PRFZ ETFs invest in?

SEIS leans toward sectors like Financials, Information Technology and Industrials. Meanwhile, PRFZ focuses on Health Care, Information Technology and Industrials.

What are the top holdings of the SEIS ETF and PRFZ ETF?

SEIS top holdings include CNO FINANCIAL GROUP, BRIDGEBIO PHARMA and COMMERCIAL METALS. PRFZ holds in its top three: OPENDOOR TECHNOLOGIES INC, ADVANCED ENERGY INDUSTRIES and CRESCENT ENERGY COMPANY.

SEISvsPRFZETF Comparison

SEI Select Small Cap ETF

Invesco RAFI US 1500 Small-Mid ETF

SEIS vs PRFZ 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 SEIS and PRFZ ETFs performed in 2026?

As of April 24, 2026, SEIS is up 10.76% year-to-date (YTD), while PRFZ has returned 10.06%. That puts SEIS better performer ahead so far this year.

Which ETF is attracting more investor money: SEIS or PRFZ?

Year-to-date, the SEIS ETF saw +$69M in flows, compared to +$29M for PRFZ.

Which ETF is more volatile: SEIS or PRFZ?

Over the past year, SEIS had a volatility of 18.84%, while PRFZ experienced 18.32%.

Which ETF is bigger: SEIS or PRFZ?

As of April 24, 2026, SEIS holds $499.97 M in assets under management (AUM), while PRFZ manages $2.87 B.

What sectors do the SEIS and PRFZ ETFs invest in?

SEIS leans toward sectors like Financials, Information Technology and Industrials. Meanwhile, PRFZ focuses on Health Care, Information Technology and Industrials.

What are the top holdings of the SEIS ETF and PRFZ ETF?

SEIS top holdings include CNO FINANCIAL GROUP, BRIDGEBIO PHARMA and COMMERCIAL METALS. PRFZ holds in its top three: OPENDOOR TECHNOLOGIES INC, ADVANCED ENERGY INDUSTRIES and CRESCENT ENERGY COMPANY.

Which ETF is more diversified: SEIS or PRFZ?

SEIS holds 321 securities with 15.1% of its assets in the top 15. PRFZ has 1546 securities and a top 15 weight of 6.14%.

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