OSEA Performance — Harbor International Compounders ETF
Data updated: 2026-09-25
OSEA returned +0.52% year to date and +7.78% over one year to Jul 2026. The annualised 3-year return is +6.90%. The fund trailed its International Large Growth category average: $100 invested three years ago grew to $122, against $132 for the category, and to $108 over one year, against $113. Volatility over the past three years was 12.86% a year. In the 12 months to Jul 2026 the fund lost a net $26.8M, and assets reached $481.85M.
OSEA Growth of $100
What $100 invested in Harbor International Compounders ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Large Growth category average over the same months.
| Period | OSEA | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $108 | $113 |
| 3 years (Aug 2023 – Jul 2026) | $122 | $132 |
| Since data start (Sep 2022 – Jul 2026) | $168 | $155 |
OSEA Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +0.52% |
| 1 year | +7.78% |
| 3 years (annualised) | +6.90% |
OSEA Annual Returns
Calendar-year total returns of Harbor International Compounders ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | +0.52% |
| 2025 | +17.88% |
| 2024 | −0.38% |
| 2023 | +21.08% |
| 2022 (Sep–Dec) | +17.57% |
OSEA 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 | +0.8% | +3.2% | −9.0% | +6.8% | −0.1% | −0.2% | −0.2% | — | — | — | — | — |
| 2025 | +4.2% | −0.6% | −2.0% | +4.0% | +4.5% | +2.0% | −2.2% | +1.8% | +1.5% | +3.0% | 0.0% | +0.8% |
| 2024 | −0.5% | +3.1% | +1.4% | −2.0% | +2.9% | +0.6% | +0.5% | +3.2% | +0.4% | −5.0% | −0.8% | −3.7% |
| 2023 | +8.0% | −2.1% | +5.5% | +2.9% | −1.3% | +3.1% | +0.2% | −5.3% | −4.9% | −2.1% | +10.1% | +6.6% |
| 2022 | — | — | — | — | — | — | — | — | 0.0% | +5.1% | +14.0% | −1.9% |
OSEA Risk
Risk measures from monthly returns over Aug 2023 – Jul 2026.
- 3-year volatility (annualised): 12.86%
- 3-year Sharpe ratio: 0.19 (vs 4.5% risk-free rate)
- Best month: +10.12% (Nov 2023)
- Worst month: −9.04% (Mar 2026)
OSEA Fund Flows
Monthly money in and out of Harbor International Compounders ETF, from SEC Form N-PORT.
- 12-month net flow: −$26.8M
- 12-month gross sales (incl. reinvestments): $141.1M
- Sales ÷ redemptions: 0.84×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $3.8M | $7.5M | −$3.7M |
| Jun 2026 | $1.5M | $3.7M | −$2.2M |
| May 2026 | $0 | $6.9M | −$6.9M |
| Apr 2026 | $4.6M | $0 | $4.6M |
| Mar 2026 | $3.0M | $0 | $3.0M |
| Feb 2026 | $6.1M | $15.1M | −$9.0M |
| Jan 2026 | $4.6M | $68.4M | −$63.8M |
| Dec 2025 | $44.6M | $18.2M | $26.4M |
| Nov 2025 | $2.3M | $6.1M | −$3.8M |
| Oct 2025 | $9.9M | $0 | $9.9M |
| Sep 2025 | $41.9M | $42.0M | −$23K |
| Aug 2025 | $18.9M | $0 | $18.9M |
OSEA Assets Under Management
Net assets of Harbor International Compounders ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $481.85M |
| 2026-04-30 | $497.45M |
| 2026-01-31 | $497.62M |
| 2025-10-31 | $536.30M |
| 2025-07-31 | $476.09M |
| 2025-04-30 | $428.09M |
| 2025-01-31 | $334.32M |
| 2024-10-31 | $234.64M |
| 2024-07-31 | $182.19M |
| 2024-04-30 | $111.27M |
| 2024-01-31 | $31.22M |
| 2023-10-31 | $20.75M |
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.