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SEISvsPRFZETF Comparison
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, Industrials and Information Technology. 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 0.14% year-to-date (YTD) with +$35M in YTD flows. PRFZ performs worse with -0.48% YTD performance, and +$25M 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.
SEIS vs PRFZ performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SEIS PRFZ | -5.83%-4.77% | -3.58%-3.03% | +0.14%-0.48% | +20.11%+21.43% | n/a+48.66% | n/a+31.10% |
| Flows | SEIS PRFZ | +$16M+$18M | +$45M+$14M | +$35M+$25M | +$157M-$190M | --$149M | -+$32M |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SEIS PRFZ | +18.31%+17.20% | +22.74%+22.48% | n/a+20.52% | n/a+21.32% |
| Max drawdown | SEIS PRFZ | -7.41%-8.19% | -14.92%-16.14% | n/a-26.51% | n/a-26.51% |
| Max drawdown duration | SEIS PRFZ | 48d49d | 46d46d | n/a283d | n/a283d |
SEIS | PRFZ | |
Last sale 3/13/2026 at 1:30 PM | $27.28 | $45.49 |
| Previous close 03/12/2026 | $27.34 | $45.65 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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SEIS | PRFZ | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
SEIS | PRFZ | |
|---|---|---|
| Last price | $27.28 | $45.49 |
| 1D performance | -0.21% | -0.35% |
| AuM | $418.70 M | $2.59 B |
| E/R | 0.55% | 0.34% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the SEIS and PRFZ ETFs performed in 2026?
As of March 11, 2026, SEIS is up 0.14% year-to-date (YTD), while PRFZ has lost -0.48%. 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 +$35M in flows, compared to +$25M for PRFZ.
Which ETF is more volatile: SEIS or PRFZ?
Over the past year, SEIS had a volatility of 22.74%, while PRFZ experienced 22.48%.
Which ETF is bigger: SEIS or PRFZ?
As of March 11, 2026, SEIS holds $418.70 M in assets under management (AUM), while PRFZ manages $2.59 B.
What sectors do the SEIS and PRFZ ETFs invest in?
SEIS leans toward sectors like Financials, Industrials and Information Technology. 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, EXLSERVICE HOLDINGS and COMMERCIAL METALS. PRFZ holds in its top three: OPENDOOR TECHNOLOGIES INC, HECLA MINING and IONIS PHARMACEUTICALS INC.
Which ETF is more diversified: SEIS or PRFZ?
SEIS holds 312 securities with 16.07% of its assets in the top 15. PRFZ has 1412 securities and a top 15 weight of 6.62%.
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