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PRFZvsSEISETF Comparison

ETF 1

PRFZ

Invesco RAFI US 1500 Small-Mid ETF

This fund is part of

US Multi-Factor

-0.79%

Full PRFZ fund page

VS

ETF 2

SEIS

SEI Select Small Cap ETF

This fund is part of

US Small Cap

-1.05%

Full SEIS fund page

Invesco RAFI US 1500 Small-Mid ETF (PRFZ) belongs to the US Multi-Factor segment. SEI Select Small Cap ETF (SEIS) is part of the US Small Cap segment. PRFZ's top 3 sector exposures are Information Technology, Health Care and Industrials. In contrast, SEIS's top sector exposures are Information Technology, Industrials and Financials. PRFZ is less expensive with a Total Expense Ratio (TER) of 0.34%, versus 0.55% for SEIS. PRFZ is up 14.27% year-to-date (YTD) with -$216M in YTD flows. SEIS performs better with 15.13% YTD performance, and +$95M in YTD flows. Run a side-by-side ETF comparison of PRFZ and SEIS 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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PRFZ vs SEIS 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 06/17/2026

		1M	3M	YTD	1Y	3Y	5Y
Perf.	PRFZ SEIS	+5.36%+5.00%	+13.16%+16.01%	+14.27%+15.13%	+33.48%+30.43%	+59.78%n/a	+49.75%n/a
Flows	PRFZ SEIS	-$13M-$8M	-$242M+$56M	-$216M+$95M	-$314M+$193M	-$366M-	-$190M-

Volatility and drawdown

		3M	1Y	3Y	5Y
Volatility	PRFZ SEIS	+19.23%+21.25%	+18.19%+19.17%	+20.35%n/a	+21.29%n/a
Max drawdown	PRFZ SEIS	-4.51%-5.25%	-10.44%-11.33%	-26.51%n/a	-26.51%n/a
Max drawdown duration	PRFZ SEIS	16d26d	84d84d	283dn/a	283dn/a

Trading data

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	PRFZ	SEIS
Last sale 6/17/2026 at 7:59 PM	$52.35	$32.58
Previous close 06/17/2026	$52.88	$32.13
Consolidated volume 06/17/2026
Average volume 30 days
Average discount or premium 30 days
Average Bid/Ask spread 30 days

Replication quality

Data as of May 29, 2026

1-year trailing difference

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SEIS

is actively managed and doesn’t replicate an index

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

Main metrics

Last update 6/17/2026 at 7:59 PM

Live

Closed

	PRFZ	SEIS
Last price	$52.35	$32.58
1D performance	-1.00%	+1.39%
AuM	$2.72 B	$545.47 M
E/R	0.34%	0.55%

Characteristics

	PRFZ	SEIS
Management strategy	Passive	Active
Provider	Invesco	SEI
Benchmark	RAFI Fundamental Select US 1500 Index	-
N° of holdings	1337	315
Asset class	-	-
Trailing 12m distribution yield	Join	Join
Inception date	September 20, 2006	October 9, 2024
ESG	No	No

More PRFZ data on Trackinsight

More SEIS data on Trackinsight

Exposure

Countries

PRFZ

USA

95.2%

Other

4.8%

SEIS

USA

84.03%

Other

15.97%

Sectors

PRFZ

Information Techn.

17.03%

Health Care

15.28%

Industrials

14.02%

Financials

13.41%

Consumer Discreti.

10.12%

Other

30.13%

SEIS

Information Techn.

18.91%

Industrials

17.26%

Financials

16.29%

Consumer Discreti.

12.34%

Health Care

12.33%

Other

22.87%

Diversification

PRFZ

Total weight of top 15 holdings out of 15

6.52%

SEIS

Total weight of top 15 holdings out of 15

15.26%

Top 15 holdings

Data as of April 30, 2026

PRFZ

OPENDOOR TECHNOLOGIES INC

0.57%

TTM TECHNOLOGIES

0.54%

ADVANCED ENERGY INDUSTRIES

0.54%

VIAVI SOLUTIONS INC

0.49%

ONTO INNOVATION INC

0.49%

FORMFACTOR

0.47%

ROIVANT SCIENCES LTD

0.43%

PAR PACIFIC HOLDINGS INC

0.41%

ATI INC

0.41%

CRESCENT ENERGY COMPANY

0.40%

PRIMORIS SERVICES

0.37%

MAXLINEAR

0.37%

IONIS PHARMACEUTICALS INC

0.36%

REVOLUTION MEDICINES INC

0.34%

GLOBALFOUNDRIES

0.34%

SEIS

BLOOM ENERGY CORP

1.26%

ENOVA INTERNATIONAL

1.11%

CNO FINANCIAL GROUP

1.11%

CLEAR SECURE

1.09%

TTM TECHNOLOGIES

1.06%

MOLINA HLTHCRE

1.05%

BRIDGEBIO PHARMA

1.04%

CREDO TECHNOLOGY GROUP HOLDING

1.01%

COMMERCIAL METALS

1.01%

PHOTRONICS

0.95%

DIODES

0.93%

WTTS WTER TECH

0.93%

URBAN OUTFITTERS

0.92%

JACKSON FINANCIAL INC

0.91%

PRIMORIS SERVICES

0.88%

Frequently asked questions about PRFZ and SEIS

How have the PRFZ and SEIS ETFs performed in 2026?

As of June 17, 2026, PRFZ is up 14.27% year-to-date (YTD), while SEIS has returned 15.13%. That puts SEIS better performer ahead so far this year.

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

Year-to-date, the PRFZ ETF saw -$216M in flows, compared to +$95M for SEIS.

Which ETF is more volatile: PRFZ or SEIS?

Over the past year, PRFZ had a volatility of 18.19%, while SEIS experienced 19.17%.

Which ETF is bigger: PRFZ or SEIS?

As of June 17, 2026, PRFZ holds $2.72 B in assets under management (AUM), while SEIS manages $545.47 M.

What sectors do the PRFZ and SEIS ETFs invest in?

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

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

PRFZ top holdings include OPENDOOR TECHNOLOGIES INC, TTM TECHNOLOGIES and ADVANCED ENERGY INDUSTRIES. SEIS holds in its top three: BLOOM ENERGY CORP, ENOVA INTERNATIONAL and CNO FINANCIAL GROUP.

PRFZvsSEISETF Comparison

Invesco RAFI US 1500 Small-Mid ETF

SEI Select Small Cap ETF

PRFZ vs SEIS 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 PRFZ and SEIS ETFs performed in 2026?

As of June 17, 2026, PRFZ is up 14.27% year-to-date (YTD), while SEIS has returned 15.13%. That puts SEIS better performer ahead so far this year.

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

Year-to-date, the PRFZ ETF saw -$216M in flows, compared to +$95M for SEIS.

Which ETF is more volatile: PRFZ or SEIS?

Over the past year, PRFZ had a volatility of 18.19%, while SEIS experienced 19.17%.

Which ETF is bigger: PRFZ or SEIS?

As of June 17, 2026, PRFZ holds $2.72 B in assets under management (AUM), while SEIS manages $545.47 M.

What sectors do the PRFZ and SEIS ETFs invest in?

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

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

PRFZ top holdings include OPENDOOR TECHNOLOGIES INC, TTM TECHNOLOGIES and ADVANCED ENERGY INDUSTRIES. SEIS holds in its top three: BLOOM ENERGY CORP, ENOVA INTERNATIONAL and CNO FINANCIAL GROUP.

Which ETF is more diversified: PRFZ or SEIS?

PRFZ holds 1538 securities with 6.52% of its assets in the top 15. SEIS has 319 securities and a top 15 weight of 15.26%.

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