BIAYX Performance — Brown Advisory Sustainable Small-Cap Core Fund, Investor Shares
Data updated: 2026-09-11
BIAYX returned +19.77% year to date and +29.80% over one year to Jun 2026. The annualised 3-year return is +15.16%. Against its Thematic Equity category average the fund came out behind over three years but ahead over one: $100 invested three years ago grew to $153, against $161 for the category, and to $130 over one year, against $115. Volatility over the past three years was 17.15% a year. In the 12 months to Jun 2026 the fund lost a net $6.6M, and assets reached $118.71M.
BIAYX Growth of $100
What $100 invested in Brown Advisory Sustainable Small-Cap Core Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the Thematic Equity category average over the same months.
| Period | BIAYX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $130 | $115 |
| 3 years (Jul 2023 – Jun 2026) | $153 | $161 |
| Since data start (Oct 2021 – Jun 2026) | $134 | $144 |
BIAYX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +19.77% |
| 1 year | +29.80% |
| 3 years (annualised) | +15.16% |
BIAYX Annual Returns
Calendar-year total returns of Brown Advisory Sustainable Small-Cap Core Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +19.77% |
| 2025 | +9.45% |
| 2024 | +6.78% |
| 2023 | +17.39% |
| 2022 | −20.22% |
| 2021 (Oct–Dec) | +2.40% |
BIAYX 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 | +3.3% | +1.5% | −5.2% | +7.7% | +5.9% | +5.6% | — | — | — | — | — | — |
| 2025 | +5.8% | −3.6% | −7.6% | −1.8% | +3.9% | +5.0% | +2.6% | +4.5% | −0.9% | +0.8% | +0.9% | +0.2% |
| 2024 | −0.9% | +4.2% | +2.3% | −6.4% | +3.2% | −0.9% | +7.7% | −0.8% | +0.5% | −2.6% | +9.0% | −7.3% |
| 2023 | +8.5% | −0.8% | −5.0% | −1.6% | −1.0% | +8.0% | +4.5% | −2.5% | −6.0% | −5.8% | +10.1% | +9.9% |
| 2022 | −7.9% | −1.9% | −0.4% | −9.7% | +0.4% | −7.3% | +9.7% | −2.8% | −6.4% | +7.2% | +4.3% | −5.4% |
| 2021 | — | — | — | — | — | — | — | — | — | +5.2% | −5.9% | +3.4% |
BIAYX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 17.15%
- 3-year Sharpe ratio: 0.62 (vs 4.5% risk-free rate)
- Best month: +10.09% (Nov 2023)
- Worst month: −7.62% (Mar 2025)
BIAYX Fund Flows
Monthly money in and out of Brown Advisory Sustainable Small-Cap Core Fund, from SEC Form N-PORT.
- 12-month net flow: −$6.6M
- 12-month gross sales (incl. reinvestments): $35.2M
- Sales ÷ redemptions: 0.84×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $1.6M | $3.8M | −$2.2M |
| May 2026 | $1.8M | $3.2M | −$1.4M |
| Apr 2026 | $1.9M | $6.1M | −$4.2M |
| Mar 2026 | $1.1M | $3.8M | −$2.6M |
| Feb 2026 | $3.1M | $670K | $2.4M |
| Jan 2026 | $5.6M | $749K | $4.8M |
| Dec 2025 | $8.7M | $1.4M | $7.3M |
| Nov 2025 | $1.4M | $1.0M | $374K |
| Oct 2025 | $1.1M | $1.4M | −$285K |
| Sep 2025 | $5.9M | $16.7M | −$10.8M |
| Aug 2025 | $2.4M | $717K | $1.6M |
| Jul 2025 | $583K | $2.3M | −$1.7M |
BIAYX Assets Under Management
Net assets of Brown Advisory Sustainable Small-Cap Core Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $118.71M |
| 2026-03-31 | $105.59M |
| 2025-12-31 | $102.07M |
| 2025-09-30 | $96.97M |
| 2025-06-30 | $101.46M |
| 2025-03-31 | $97.63M |
| 2024-12-31 | $85.84M |
| 2024-09-30 | $86.81M |
| 2024-06-30 | $76.96M |
| 2024-03-31 | $75.00M |
| 2023-12-31 | $65.58M |
| 2023-09-30 | $55.30M |
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.