SEIS Performance — SEI Select Small Cap ETF
Data updated: 2026-08-28
SEIS returned +20.15% year to date and +31.44% over one year to Jun 2026. Over one year the fund trailed its US Small Blend category average: $100 grew to $131, against $133 for the category. Volatility over the past 12 months was 16.70% a year. In the 12 months to Jun 2026 the fund took in a net $204.8M, and assets reached $581.77M.
SEIS Growth of $100
What $100 invested in SEI Select Small Cap ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Small Blend category average over the same months.
| Period | SEIS | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $131 | $133 |
| Since data start (Oct 2024 – Jun 2026) | $149 | $131 |
SEIS Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +20.15% |
| 1 year | +31.44% |
SEIS Annual Returns
Calendar-year total returns of SEI Select Small Cap ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +20.15% |
| 2025 | +9.81% |
| 2024 (Oct–Dec) | +12.57% |
SEIS Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | −5.7% | +0.3% | +4.5% | +5.8% | +1.5% | +13.1% | — | — | — | — | — | — |
| 2025 | −5.4% | −5.8% | +4.1% | +4.3% | +6.3% | −2.4% | +1.2% | +7.3% | +0.5% | −0.3% | +2.6% | −2.0% |
| 2024 | — | — | — | — | — | — | — | — | — | −8.3% | +10.8% | +10.8% |
SEIS Risk
Risk measures from monthly returns over Jul 2025 – Jun 2026.
- 1-year volatility (annualised): 16.70%
- Best month: +13.05% (Jun 2026)
- Worst month: −5.67% (Jan 2026)
SEIS Fund Flows
Monthly money in and out of SEI Select Small Cap ETF, from SEC Form N-PORT.
- 12-month net flow: $204.8M
- 12-month gross sales (incl. reinvestments): $262.4M
- Sales ÷ redemptions: 4.55×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $17.2M | $766K | $16.4M |
| May 2026 | $36.9M | $22.9M | $14.0M |
| Apr 2026 | $21.2M | $807K | $20.4M |
| Mar 2026 | $11.7M | $0 | $11.7M |
| Feb 2026 | $21.3M | $747K | $20.5M |
| Jan 2026 | $25.1M | $684K | $24.4M |
| Dec 2025 | $17.5M | $0 | $17.5M |
| Nov 2025 | $12.2M | $0 | $12.2M |
| Oct 2025 | $33.9M | $16.1M | $17.8M |
| Sep 2025 | $31.3M | $15.5M | $15.8M |
| Aug 2025 | $24.4M | $0 | $24.4M |
| Jul 2025 | $9.8M | $0 | $9.8M |
SEIS Assets Under Management
Net assets of SEI Select Small Cap ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $581.77M |
| 2026-03-31 | $435.08M |
| 2025-12-31 | $384.63M |
| 2025-09-30 | $337.35M |
| 2025-06-30 | $265.16M |
| 2025-03-31 | $217.86M |
| 2024-12-31 | $228.41M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.