SIHY Performance — Harbor Scientific Alpha High-Yield ETF
Data updated: 2026-09-25
SIHY returned +2.27% year to date and +6.37% over one year to Jul 2026. The annualised 3-year return is +8.72%. The fund beat its High Yield Bond category average: $100 invested three years ago grew to $129, against $123 for the category, and to $106 over one year, against $105. Volatility over the past three years was 4.57% a year. In the 12 months to Jul 2026 the fund lost a net $6.7M, and assets reached $148.94M.
SIHY Growth of $100
What $100 invested in Harbor Scientific Alpha High-Yield ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the High Yield Bond category average over the same months.
| Period | SIHY | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $106 | $105 |
| 3 years (Aug 2023 – Jul 2026) | $129 | $123 |
| Since data start (Oct 2021 – Jul 2026) | $127 | $117 |
SIHY Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +2.27% |
| 1 year | +6.37% |
| 3 years (annualised) | +8.72% |
SIHY Annual Returns
Calendar-year total returns of Harbor Scientific Alpha High-Yield ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +2.27% |
| 2025 | +8.31% |
| 2024 | +8.52% |
| 2023 | +13.69% |
| 2022 | −7.89% |
| 2021 (Oct–Dec) | +0.57% |
SIHY 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 | +0.6% | +0.1% | −1.4% | +2.0% | +0.7% | +0.5% | −0.1% | — | — | — | — | — |
| 2025 | +1.2% | +0.7% | −1.3% | −0.4% | +1.5% | +2.0% | +0.3% | +1.3% | +1.0% | +0.2% | +0.7% | +0.7% |
| 2024 | +0.2% | −0.2% | +1.4% | −1.1% | +1.5% | +1.0% | +1.9% | +1.5% | +1.4% | −0.7% | +1.5% | −0.4% |
| 2023 | +3.5% | −0.8% | +0.7% | +1.4% | −1.5% | +1.2% | +1.7% | +0.4% | −1.3% | −0.9% | +4.7% | +3.9% |
| 2022 | −2.6% | −0.9% | −0.6% | −2.8% | +0.4% | −6.3% | +5.3% | −1.9% | −3.6% | +2.7% | +2.1% | +0.4% |
| 2021 | — | — | — | — | — | — | — | — | — | −0.2% | −1.2% | +1.9% |
SIHY Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 4.57%
- 3-year Sharpe ratio: 0.92 (vs 4.5% risk-free rate)
- Best month: +4.74% (Nov 2023)
- Worst month: −1.36% (Mar 2026)
SIHY Fund Flows
Monthly money in and out of Harbor Scientific Alpha High-Yield ETF, from SEC Form N-PORT.
- 12-month net flow: −$6.7M
- 12-month gross sales (incl. reinvestments): $56.0M
- Sales ÷ redemptions: 0.89×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $9.1M | $0 | $9.1M |
| Jun 2026 | $0 | $0 | $0 |
| May 2026 | $4.5M | $7.9M | −$3.4M |
| Apr 2026 | $2.2M | $7.9M | −$5.7M |
| Mar 2026 | $0 | $21.6M | −$21.6M |
| Feb 2026 | $0 | $6.9M | −$6.9M |
| Jan 2026 | $11.4M | $0 | $11.4M |
| Dec 2025 | $2.3M | $0 | $2.3M |
| Nov 2025 | $3.4M | $0 | $3.4M |
| Oct 2025 | $4.6M | $0 | $4.6M |
| Sep 2025 | $12.7M | $18.5M | −$5.8M |
| Aug 2025 | $5.7M | $0 | $5.7M |
SIHY Assets Under Management
Net assets of Harbor Scientific Alpha High-Yield ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $148.94M |
| 2026-04-30 | $143.91M |
| 2026-01-31 | $179.54M |
| 2025-10-31 | $163.06M |
| 2025-07-31 | $157.22M |
| 2025-04-30 | $172.92M |
| 2025-01-31 | $177.75M |
| 2024-10-31 | $141.57M |
| 2024-07-31 | $128.43M |
| 2024-04-30 | $124.04M |
| 2024-01-31 | $123.30M |
| 2023-10-31 | $107.94M |
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.