BUFHX Performance — Buffalo High Yield Fund, Investor Class
Data updated: 2026-08-21
BUFHX returned +1.91% year to date and +3.92% over one year to Jun 2026. Annualised returns are +7.89% over 3 years and +4.63% over 5 years. Against its High Yield Bond category average the fund came out ahead over three years but behind over one: $100 invested three years ago grew to $126, against $125 for the category, and to $104 over one year, against $106. Volatility over the past three years was 2.91% a year. In the 12 months to Jun 2026 the fund lost a net $31.0M, and assets reached $646.49M.
BUFHX Growth of $100
What $100 invested in Buffalo High Yield Fund grew to, compounded from monthly returns reported on SEC Form N-PORT, against the High Yield Bond category average over the same months.
| Period | BUFHX | Category average |
|---|---|---|
| 1 year (Jul 2025 – Jun 2026) | $104 | $106 |
| 3 years (Jul 2023 – Jun 2026) | $126 | $125 |
| 5 years (Jul 2021 – Jun 2026) | $125 | $119 |
| Since data start (Jul 2019 – Jun 2026) | $149 | $134 |
BUFHX Trailing Returns
Total returns to Jun 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | +1.91% |
| 1 year | +3.92% |
| 3 years (annualised) | +7.89% |
| 5 years (annualised) | +4.63% |
BUFHX Annual Returns
Calendar-year total returns of Buffalo High Yield Fund, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jun) | +1.91% |
| 2025 | +5.11% |
| 2024 | +9.73% |
| 2023 | +11.67% |
| 2022 | −5.54% |
| 2021 | +5.51% |
| 2020 | +9.28% |
| 2019 (Jul–Dec) | +4.19% |
BUFHX 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% | +0.1% | −1.0% | +1.6% | +0.3% | +0.1% | — | — | — | — | — | — |
| 2025 | +1.2% | +0.2% | −0.9% | −0.6% | +1.9% | +1.3% | +0.7% | +0.8% | 0.0% | −0.5% | +0.4% | +0.7% |
| 2024 | +0.8% | +0.6% | +1.3% | +0.1% | +0.9% | +0.6% | +1.4% | +1.1% | +0.8% | +0.3% | +1.4% | +0.2% |
| 2023 | +2.6% | −0.5% | +0.3% | +0.8% | −0.1% | +1.4% | +1.4% | +0.6% | +0.1% | −0.4% | +2.9% | +2.2% |
| 2022 | −1.1% | −0.4% | −0.2% | −2.4% | −1.1% | −4.6% | +3.2% | −0.2% | −2.5% | +2.4% | +1.5% | +0.1% |
| 2021 | +0.4% | +1.1% | +0.2% | +1.3% | +0.2% | +1.0% | +0.1% | +0.3% | +0.3% | −0.1% | −0.7% | +1.3% |
| 2020 | +0.2% | −1.1% | −11.7% | +3.6% | +4.5% | +1.6% | +3.4% | +2.6% | −0.5% | +0.6% | +4.6% | +2.2% |
| 2019 | — | — | — | — | — | — | +0.5% | +0.2% | +0.5% | +0.3% | +1.2% | +1.4% |
BUFHX Risk
Risk measures from monthly returns over Jul 2023 – Jun 2026.
- 3-year volatility (annualised): 2.91%
- 3-year Sharpe ratio: 1.17 (vs 4.5% risk-free rate)
- Best month: +2.89% (Nov 2023)
- Worst month: −0.99% (Mar 2026)
BUFHX Fund Flows
Monthly money in and out of Buffalo High Yield Fund, from SEC Form N-PORT.
- 12-month net flow: −$31.0M
- 12-month gross sales (incl. reinvestments): $201.9M
- Sales ÷ redemptions: 0.87×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jun 2026 | $12.6M | $18.1M | −$5.4M |
| May 2026 | $14.3M | $15.8M | −$1.6M |
| Apr 2026 | $11.4M | $21.8M | −$10.4M |
| Mar 2026 | $15.5M | $15.8M | −$302K |
| Feb 2026 | $22.2M | $13.4M | $8.8M |
| Jan 2026 | $13.1M | $18.0M | −$4.9M |
| Dec 2025 | $19.1M | $21.5M | −$2.4M |
| Nov 2025 | $12.6M | $37.3M | −$24.7M |
| Oct 2025 | $19.3M | $26.8M | −$7.4M |
| Sep 2025 | $19.5M | $15.2M | $4.3M |
| Aug 2025 | $21.8M | $20.1M | $1.7M |
| Jul 2025 | $20.5M | $9.3M | $11.2M |
BUFHX Assets Under Management
Net assets of Buffalo High Yield Fund by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-06-30 | $646.49M |
| 2026-03-31 | $662.01M |
| 2025-12-31 | $669.36M |
| 2025-09-30 | $713.38M |
| 2025-06-30 | $698.73M |
| 2025-03-31 | $664.78M |
| 2024-12-31 | $596.87M |
| 2024-09-30 | $578.85M |
| 2024-06-30 | $508.05M |
| 2024-03-31 | $446.95M |
| 2023-12-31 | $392.25M |
| 2023-09-30 | $355.96M |
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.