SIFI Performance — Harbor Scientific Alpha Income ETF
Data updated: 2026-09-25
SIFI returned +1.16% year to date and +5.43% over one year to Jul 2026. The annualised 3-year return is +6.96%. The fund beat its Intermediate Corporate Bond category average: $100 invested three years ago grew to $122, against $116 for the category, and to $105 over one year, against $103. Volatility over the past three years was 4.31% a year. In the 12 months to Jul 2026 the fund lost a net $9K, and assets reached $33.55M.
SIFI Growth of $100
What $100 invested in Harbor Scientific Alpha Income ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Intermediate Corporate Bond category average over the same months.
| Period | SIFI | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $105 | $103 |
| 3 years (Aug 2023 – Jul 2026) | $122 | $116 |
| Since data start (Oct 2021 – Jul 2026) | $113 | $104 |
SIFI Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.16% |
| 1 year | +5.43% |
| 3 years (annualised) | +6.96% |
SIFI Annual Returns
Calendar-year total returns of Harbor Scientific Alpha Income ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +1.16% |
| 2025 | +8.86% |
| 2024 | +4.86% |
| 2023 | +9.52% |
| 2022 | −10.85% |
| 2021 (Oct–Dec) | −0.03% |
SIFI 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 | +0.5% | +0.8% | −1.9% | +1.5% | +0.4% | +0.2% | −0.3% | — | — | — | — | — |
| 2025 | +0.9% | +1.4% | −0.5% | +0.2% | +0.5% | +2.2% | −0.2% | +1.7% | +0.9% | +0.3% | +0.8% | +0.4% |
| 2024 | +0.2% | −1.0% | +1.0% | −1.3% | +1.4% | +1.2% | +1.8% | +1.5% | +1.1% | −1.3% | +1.1% | −0.7% |
| 2023 | +2.6% | −0.9% | +0.7% | +1.1% | −1.2% | −0.1% | +1.2% | +0.2% | −1.0% | −0.7% | +3.9% | +3.5% |
| 2022 | −3.5% | −1.4% | −1.8% | −3.3% | +0.6% | −3.3% | +3.2% | −1.6% | −2.8% | +0.9% | +2.0% | 0.0% |
| 2021 | — | — | — | — | — | — | — | — | — | −0.7% | −0.6% | +1.3% |
SIFI Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 4.31%
- 3-year Sharpe ratio: 0.57 (vs 4.5% risk-free rate)
- Best month: +3.91% (Nov 2023)
- Worst month: −1.93% (Mar 2026)
SIFI Fund Flows
Monthly money in and out of Harbor Scientific Alpha Income ETF, from SEC Form N-PORT.
- 12-month net flow: −$9K
- 12-month gross sales (incl. reinvestments): $1.1M
- Sales ÷ redemptions: 0.99×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $0 | $0 | $0 |
| Jun 2026 | $1.1M | $0 | $1.1M |
| May 2026 | $0 | $0 | $0 |
| Apr 2026 | $0 | $0 | $0 |
| Mar 2026 | $0 | $0 | $0 |
| Feb 2026 | $0 | $0 | $0 |
| Jan 2026 | $0 | $0 | $0 |
| Dec 2025 | $0 | $1.1M | −$1.1M |
| Nov 2025 | $0 | $0 | $0 |
| Oct 2025 | $0 | $0 | $0 |
| Sep 2025 | $0 | $0 | $0 |
| Aug 2025 | $0 | $0 | $0 |
SIFI Assets Under Management
Net assets of Harbor Scientific Alpha Income ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $33.55M |
| 2026-04-30 | $32.74M |
| 2026-01-31 | $33.04M |
| 2025-10-31 | $34.41M |
| 2025-07-31 | $33.89M |
| 2025-04-30 | $33.52M |
| 2025-01-31 | $33.63M |
| 2024-10-31 | $33.91M |
| 2024-07-31 | $33.89M |
| 2024-04-30 | $32.91M |
| 2024-01-31 | $32.67M |
| 2023-10-31 | $31.01M |
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.