SEISvsBKSEETF Comparison
VS
SEI Select Small Cap ETF (SEIS) and BNY Mellon US Small Cap Core Equity ETF (BKSE) belong to the same industry segment: US Small Cap. Both ETFs have the same top 3 sector exposures: Finance, Healthcare and Technology. SEIS is more expensive with a Total Expense Ratio (TER) of 0.55%, versus 0.04% for BKSE. SEIS is up 12.85% year-to-date (YTD) with +$149M in YTD flows. BKSE performs better with 14.26% YTD performance, and +$17M in YTD flows. Run a side-by-side ETF comparison of SEIS and BKSE below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
SEIS vs BKSE performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SEIS BKSE | -6.37%-6.50% | -3.78%-1.42% | +12.85%+14.26% | +13.06%+18.68% | n/a+59.36% | n/a+43.93% |
| Flows | SEIS BKSE | -$9M- | +$54M+$3M | +$149M+$17M | +$203M+$17M | --$47M | --$82M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SEIS BKSE | +15.00%+12.45% | +18.80%+16.56% | n/a+19.91% | n/a+21.57% |
| Max drawdown | SEIS BKSE | -6.53%-7.07% | -11.33%-9.25% | n/a-26.53% | n/a-29.19% |
| Max drawdown duration | SEIS BKSE | 30d31d | 84d65d | n/a289d | n/a980d |
Trading data
SEIS | BKSE | |
Last sale 9/16/2026 at 1:30 PM | $31.47 | $42.59 |
| Previous close 09/16/2026 | $31.46 | $42.78 |
| Consolidated volume 09/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
Create an account to view replication metrics
Join for free
SEIS
is actively managed and doesn’t replicate an indexSEIS | BKSE | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Advertisement
Main metrics
Last update 9/16/2026 at 1:30 PM
Live
Closed
SEIS | BKSE | |
|---|---|---|
| Last price | $31.47 | $42.59 |
| 1D performance | +0.06% | -0.45% |
| AuM | $585.26 M | $85.57 M |
| E/R | 0.55% | 0.04% |
Characteristics
SEIS | BKSE | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | SEI | BNY Mellon |
| Benchmark | - | Solactive GBS United States 600 Index |
| N° of holdings | 372 | 579 |
| Asset class | - | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 9, 2024 | April 7, 2020 |
| ESG | No | No |
Advertisement
Exposure
Countries
SEIS
USA
93.16%
Other
6.84%
BKSE
USA
94.82%
Other
5.18%
Sectors
SEIS
Finance
23.17%
Healthcare
16.35%
Technology
13.55%
Industrials
12.88%
Consumer Cyclical.
9.01%
Other
25.04%
BKSE
Finance
25.76%
Healthcare
14.3%
Technology
12.29%
Industrials
10.79%
Consumer Cyclical.
8.03%
Other
28.84%
Advertisement
Diversification
SEIS
Total weight of top 15 holdings out of 15
15.19%
BKSE
Total weight of top 15 holdings out of 15
5.32%
Top 15 holdings
Data as of July 31, 2026
SEIS
Enova International, Inc.
1.54%
CNO Financial Group, Inc.
1.29%
Terex Corp.
1.16%
Brinker International, Inc.
1.14%
Urban Outfitters, Inc.
1.01%
Watts Water Technologies, Inc.
1.01%
Zurn Elkay Water Solutions Corp.
0.98%
Commercial Metals Co.
0.94%
Jackson Financial, Inc.
0.93%
Abercrombie & Fitch Co.
0.92%
Clear Secure, Inc.
0.92%
ExlService Holdings, Inc.
0.86%
Federal Signal Corp.
0.85%
Old National Bancorp
0.84%
Apple Hospitality REIT, Inc.
0.81%
BKSE
The Timken Co.
0.39%
Glaukos Corp.
0.37%
Corcept Therapeutics, Inc.
0.37%
Brinker International, Inc.
0.36%
JFrog Ltd.
0.36%
TG Therapeutics, Inc.
0.36%
Alkermes Plc
0.35%
Hexcel Corp.
0.35%
Ryman Hospitality Properties, Inc.
0.35%
Compass, Inc. (New York)
0.35%
Protagonist Therapeutics, Inc.
0.35%
Etsy, Inc.
0.35%
Crinetics Pharmaceuticals, Inc.
0.34%
Avantor, Inc.
0.34%
Ralliant Corp.
0.34%
Frequently asked questions about SEIS and BKSE
How have the SEIS and BKSE ETFs performed in 2026?
As of September 15, 2026, SEIS is up 12.85% year-to-date (YTD), while BKSE has returned 14.26%. That puts BKSE better performer ahead so far this year.
Which ETF is attracting more investor money: SEIS or BKSE?
Year-to-date, the SEIS ETF saw +$149M in flows, compared to +$17M for BKSE.
Which ETF is more volatile: SEIS or BKSE?
Over the past year, SEIS had a volatility of 18.8%, while BKSE experienced 16.56%.
Which ETF is bigger: SEIS or BKSE?
As of September 15, 2026, SEIS holds $585.26 M in assets under management (AUM), while BKSE manages $85.57 M.
What sectors do the SEIS and BKSE ETFs invest in?
SEIS leans toward sectors like Finance, Healthcare and Technology. Meanwhile, BKSE focuses on Finance, Healthcare and Technology.
What are the top holdings of the SEIS ETF and BKSE ETF?
SEIS top holdings include Enova International, Inc., CNO Financial Group, Inc. and Terex Corp.. BKSE holds in its top three: The Timken Co., Glaukos Corp. and Corcept Therapeutics, Inc..
Which ETF is more diversified: SEIS or BKSE?
SEIS holds 372 securities with 15.19% of its assets in the top 15. BKSE has 582 securities and a top 15 weight of 5.32%.
Advertisement
Advertisement
