BWBIX Performance — Baron WealthBuilder Fund, Institutional Shares
Data updated: 2026-08-28
BWBIX returned +5.81% year to date and +14.61% over one year to Jun 2026. Annualised returns are +13.65% over 3 years and +4.60% over 5 years. The fund trailed its US Multi-Cap Growth category average: $100 invested three years ago grew to $147, against $164 for the category, and to $115 over one year, against $122. Volatility over the past three years was 15.75% a year. In the 12 months to Jun 2026 the fund lost a net $38.4M, and assets reached $540.31M.
BWBIX Growth of $100
What $100 invested in Baron WealthBuilder Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Multi-Cap Growth category average over the same months.
| Period | BWBIX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $115 | $122 |
| 3 years (Jul 2023 – Jun 2026) | $147 | $164 |
| 5 years (Jul 2021 – Jun 2026) | $125 | $145 |
| Since data start (Jul 2019 – Jun 2026) | $242 | $239 |
BWBIX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +5.81% |
| 1 year | +14.61% |
| 3 years (annualised) | +13.65% |
| 5 years (annualised) | +4.60% |
BWBIX Annual Returns
Calendar-year total returns of Baron WealthBuilder Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +5.81% |
| 2025 | +10.20% |
| 2024 | +18.74% |
| 2023 | +25.74% |
| 2022 | −32.59% |
| 2021 | +16.73% |
| 2020 | +62.83% |
| 2019 (Jul–Dec) | +8.53% |
BWBIX 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 | −1.4% | −0.1% | −6.0% | +4.8% | +3.5% | +5.4% | — | — | — | — | — | — |
| 2025 | +4.1% | −5.5% | −6.3% | −0.2% | +7.6% | +2.9% | +0.9% | +1.1% | +1.2% | −0.6% | +0.7% | +4.9% |
| 2024 | −2.0% | +5.4% | +1.5% | −6.8% | +2.0% | +2.4% | +3.8% | +2.2% | +3.8% | −1.9% | +9.5% | −1.8% |
| 2023 | +11.1% | −0.9% | +0.3% | −1.6% | +1.0% | +8.0% | +3.4% | −3.1% | −5.1% | −6.5% | +11.4% | +7.0% |
| 2022 | −12.9% | −3.7% | +3.2% | −12.0% | −4.1% | −7.8% | +12.1% | −3.7% | −8.3% | +6.0% | +3.6% | −7.8% |
| 2021 | +0.7% | +3.3% | −2.7% | +6.2% | −2.5% | +4.4% | +0.9% | +3.3% | −3.5% | +9.7% | −4.5% | +1.4% |
| 2020 | +4.0% | −4.9% | −17.5% | +15.6% | +10.7% | +5.9% | +9.8% | +11.6% | −2.3% | −2.9% | +16.7% | +8.6% |
| 2019 | — | — | — | — | — | — | +1.4% | −2.0% | −1.4% | +3.0% | +5.3% | +2.2% |
BWBIX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 15.75%
- 3-year Sharpe ratio: 0.58 (vs 4.5% risk-free rate)
- Best month: +11.41% (Nov 2023)
- Worst month: −6.78% (Apr 2024)
BWBIX Fund Flows
Monthly money in and out of Baron WealthBuilder Fund, from SEC Form N-PORT.
- 12-month net flow: −$38.4M
- 12-month gross sales (incl. reinvestments): $74.4M
- Sales ÷ redemptions: 0.66×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $7.1M | $18.7M | −$11.6M |
| May 2026 | $1.2M | $10.5M | −$9.3M |
| Apr 2026 | $2.1M | $10.2M | −$8.1M |
| Mar 2026 | $2.9M | $13.3M | −$10.5M |
| Feb 2026 | $2.2M | $6.1M | −$3.8M |
| Jan 2026 | $3.6M | $7.6M | −$4.0M |
| Dec 2025 | $34.7M | $17.4M | $17.3M |
| Nov 2025 | $1.9M | $8.1M | −$6.1M |
| Oct 2025 | $4.1M | $5.1M | −$1.0M |
| Sep 2025 | $9.2M | $5.1M | $4.2M |
| Aug 2025 | $3.3M | $4.8M | −$1.6M |
| Jul 2025 | $2.2M | $6.1M | −$3.9M |
BWBIX Assets Under Management
Net assets of Baron WealthBuilder Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $540.31M |
| 2026-03-31 | $500.09M |
| 2025-12-31 | $559.05M |
| 2025-09-30 | $555.48M |
| 2025-06-30 | $546.66M |
| 2025-03-31 | $512.16M |
| 2024-12-31 | $572.48M |
| 2024-09-30 | $551.05M |
| 2024-06-30 | $540.31M |
| 2024-03-31 | $569.75M |
| 2023-12-31 | $547.66M |
| 2023-09-30 | $494.12M |
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.