BMIDX Performance — Brown Advisory Mid-Cap Growth Fund, Investor Shares
Data updated: 2026-05-27
BMIDX returned −9.00% year to date and +2.44% over one year to Mar 2026. Annualised returns are +7.94% over 3 years and +0.52% over 5 years. The fund trailed its US Mid-Cap Growth category average: $100 invested three years ago grew to $126, against $136 for the category, and to $102 over one year, against $114. Volatility over the past three years was 16.16% a year. In the 12 months to Mar 2026 the fund lost a net $47.8M, and assets reached $6.89M.
BMIDX Growth of $100
What $100 invested in Brown Advisory Mid-Cap Growth Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Mid-Cap Growth category average over the same months.
| Period | BMIDX | Category average |
|---|---|---|
| 1 year (Apr 2025 – Mar 2026) | $102 | $114 |
| 3 years (Apr 2023 – Mar 2026) | $126 | $136 |
| 5 years (Apr 2021 – Mar 2026) | $103 | $116 |
| Since data start (Jul 2019 – Mar 2026) | $142 | $172 |
BMIDX Trailing Returns
Total returns to Mar 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −9.00% |
| 1 year | +2.44% |
| 3 years (annualised) | +7.94% |
| 5 years (annualised) | +0.52% |
BMIDX Annual Returns
Calendar-year total returns of Brown Advisory Mid-Cap Growth Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Mar) | −9.00% |
| 2025 | +4.22% |
| 2024 | +15.09% |
| 2023 | +22.93% |
| 2022 | −28.24% |
| 2021 | +6.34% |
| 2020 | +32.27% |
| 2019 (Jul–Dec) | +5.16% |
BMIDX 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 | −2.9% | −1.6% | −4.8% | — | — | — | — | — | — | — | — | — |
| 2025 | +7.2% | −5.9% | −8.3% | +0.7% | +7.6% | +6.8% | +1.6% | −0.2% | +0.7% | −1.5% | −1.1% | −2.2% |
| 2024 | −0.1% | +5.2% | +2.9% | −6.6% | +1.4% | +3.2% | +0.2% | +3.1% | +2.1% | +0.1% | +8.4% | −4.8% |
| 2023 | +5.9% | −1.8% | +2.5% | −0.2% | +0.1% | +6.8% | +2.4% | −2.3% | −5.0% | −4.5% | +10.9% | +7.4% |
| 2022 | −11.1% | −4.6% | +2.5% | −10.9% | −4.0% | −6.3% | +9.8% | −3.6% | −7.4% | +5.4% | +4.9% | −4.9% |
| 2021 | −3.5% | +3.7% | −0.3% | +5.9% | −2.3% | +5.0% | +2.2% | +0.8% | −4.2% | +4.7% | −7.5% | +2.6% |
| 2020 | +1.6% | −6.2% | −18.8% | +15.4% | +10.2% | +1.9% | +5.8% | +5.5% | −1.1% | −1.1% | +13.7% | +6.2% |
| 2019 | — | — | — | — | — | — | +3.0% | −1.5% | −2.5% | +0.4% | +4.2% | +1.7% |
BMIDX Risk
Risk measures from monthly returns over Apr 2023 – Mar 2026.
- 3-year volatility (annualised): 16.16%
- 3-year Sharpe ratio: 0.21 (vs 4.5% risk-free rate)
- Best month: +10.92% (Nov 2023)
- Worst month: −8.30% (Mar 2025)
BMIDX Fund Flows
Monthly money in and out of Brown Advisory Mid-Cap Growth Fund, from SEC Form N-PORT.
- 12-month net flow: −$47.8M
- 12-month gross sales (incl. reinvestments): $12.7M
- Sales ÷ redemptions: 0.21×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Mar 2026 | $5K | $11.5M | −$11.5M |
| Feb 2026 | $158K | $2.1M | −$1.9M |
| Jan 2026 | $396K | $7.7M | −$7.3M |
| Dec 2025 | $8.6M | $7.5M | $1.2M |
| Nov 2025 | $803K | $10.9M | −$10.1M |
| Oct 2025 | $120K | $1.6M | −$1.5M |
| Sep 2025 | $30K | $9.0M | −$8.9M |
| Aug 2025 | $41K | $1.3M | −$1.2M |
| Jul 2025 | $173K | $3.2M | −$3.0M |
| Jun 2025 | $1.8M | $1.4M | $356K |
| May 2025 | $128K | $3.7M | −$3.6M |
| Apr 2025 | $397K | $706K | −$309K |
BMIDX Assets Under Management
Net assets of Brown Advisory Mid-Cap Growth Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-03-31 | $6.89M |
| 2025-12-31 | $29.25M |
| 2025-09-30 | $60.85M |
| 2025-06-30 | $72.56M |
| 2025-03-31 | $66.09M |
| 2024-12-31 | $72.33M |
| 2024-09-30 | $99.26M |
| 2024-06-30 | $97.00M |
| 2024-03-31 | $102.83M |
| 2023-12-31 | $96.77M |
| 2023-09-30 | $85.25M |
| 2023-06-30 | $96.78M |
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.