BISLX Performance — Brown Advisory Sustainable International Leaders Fund, Investor Shares
Data updated: 2026-09-11
BISLX returned −3.08% year to date and −4.00% over one year to Jun 2026. The annualised 3-year return is +4.27%. The fund trailed its International Thematic Equity category average: $100 invested three years ago grew to $113, against $147 for the category, and to $96 over one year, against $117. Volatility over the past three years was 14.65% a year. In the 12 months to Jun 2026 the fund lost a net $8.3M, and assets reached $30.41M.
BISLX Growth of $100
What $100 invested in Brown Advisory Sustainable International Leaders Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the International Thematic Equity category average over the same months.
| Period | BISLX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $96 | $117 |
| 3 years (Jul 2023 – Jun 2026) | $113 | $147 |
| Since data start (Mar 2022 – Jun 2026) | $119 | $136 |
BISLX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −3.08% |
| 1 year | −4.00% |
| 3 years (annualised) | +4.27% |
BISLX Annual Returns
Calendar-year total returns of Brown Advisory Sustainable International Leaders Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | −3.08% |
| 2025 | +15.28% |
| 2024 | +1.49% |
| 2023 | +15.76% |
| 2022 (Mar–Dec) | −9.19% |
BISLX 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% | +2.9% | −9.9% | +4.7% | +0.7% | −0.1% | — | — | — | — | — | — |
| 2025 | +5.8% | −0.1% | −0.8% | +4.5% | +4.3% | +1.9% | −5.4% | +1.6% | +1.6% | +0.4% | −0.3% | +1.4% |
| 2024 | −2.7% | +5.0% | +1.9% | −4.7% | +3.6% | −0.4% | +2.1% | +4.9% | +0.4% | −4.4% | −0.6% | −3.0% |
| 2023 | +7.5% | −3.6% | +6.0% | +4.1% | −2.5% | +3.9% | +2.1% | −8.2% | −4.9% | −4.6% | +9.6% | +7.2% |
| 2022 | — | — | +1.0% | −8.0% | −2.1% | −7.6% | +8.2% | −5.7% | −7.8% | +6.6% | +11.9% | −3.7% |
BISLX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 14.65%
- 3-year Sharpe ratio: -0.02 (vs 4.5% risk-free rate)
- Best month: +9.64% (Nov 2023)
- Worst month: −9.90% (Mar 2026)
BISLX Fund Flows
Monthly money in and out of Brown Advisory Sustainable International Leaders Fund, from SEC Form N-PORT.
- 12-month net flow: −$8.3M
- 12-month gross sales (incl. reinvestments): $15.0M
- Sales ÷ redemptions: 0.65×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $349K | $493K | −$144K |
| May 2026 | $175K | $1.6M | −$1.5M |
| Apr 2026 | $119K | $2.1M | −$2.0M |
| Mar 2026 | $202K | $3.4M | −$3.2M |
| Feb 2026 | $427K | $9.9M | −$9.5M |
| Jan 2026 | $901K | $191K | $710K |
| Dec 2025 | $9.7M | $807K | $8.9M |
| Nov 2025 | $212K | $782K | −$570K |
| Oct 2025 | $69K | $1.5M | −$1.4M |
| Sep 2025 | $1.7M | $2.2M | −$552K |
| Aug 2025 | $822K | $228K | $594K |
| Jul 2025 | $360K | $77K | $284K |
BISLX Assets Under Management
Net assets of Brown Advisory Sustainable International Leaders Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $30.41M |
| 2026-03-31 | $32.30M |
| 2025-12-31 | $47.29M |
| 2025-09-30 | $41.24M |
| 2025-06-30 | $41.95M |
| 2025-03-31 | $37.79M |
| 2024-12-31 | $32.57M |
| 2024-09-30 | $38.27M |
| 2024-06-30 | $38.30M |
| 2024-03-31 | $36.76M |
| 2023-12-31 | $32.43M |
| 2023-09-30 | $25.87M |
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.