BUFSX — Buffalo Small Cap Growth Fund
Data updated: 2026-08-21
BUFSX — Buffalo Small Cap Growth Fund. United States Small Cap Growth Equity · $466.68M AUM. Holdings, fees, performance and SEC filings.
BUFSX Fund Overview
BUFSX — Buffalo Small Cap Growth Fund is a US mutual fund managed by Buffalo Funds, categorised as United States Small Cap Growth Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Buffalo Funds
- Category: United States Small Cap Growth Equity
- Assets under management: $466.68M
- 1-year return: 23.5%
- Ticker: BUFSX
- SEC CIK: 0001135300
- SEC series ID: S000022453
- Share class ID: C000064614
BUFSX Holdings
Top 10 holdings of Buffalo Small Cap Growth Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| First American Government Obli | 3.34% |
| Silicon Motion Technology Corp | 3.02% |
| Ligand Pharmaceuticals Inc | 3.02% |
| MYR Group Inc | 2.84% |
| WisdomTree Inc | 2.74% |
| Semtech Corp | 2.43% |
| JBT Marel Corp | 2.34% |
| ESCO Technologies Inc | 2.32% |
| Onto Innovation Inc | 2.14% |
| SiTime Corp | 2.10% |
BUFSX Portfolio Allocation
Asset-class allocation of Buffalo Small Cap Growth Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Equity | 96.7% |
| Cash & Equivalents | 3.3% |
BUFSX Performance
Total returns for BUFSX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 20.8% |
| 1 year | 23.5% |
| 3 years (annualised) | 7.3% |
| 5 years (annualised) | -3.1% |
BUFSX Risk Information
Risk metrics for BUFSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 17.5%
BUFSX Costs and Fees
BUFSX costs about $99 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.99%
- Gross expense ratio: 0.99%
- Portfolio turnover: 37%
- Brokerage commissions: 8.66 bps of average net assets (SEC N-CEN)
BUFSX Cashflows
Over the 12 months to 2026-06, Buffalo Small Cap Growth Fund had net outflows of $141.36M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$7.65M |
| 2026-05 | −$7.63M |
| 2026-04 | −$6.07M |
| 2026-03 | −$14.55M |
| 2026-02 | −$7.52M |
| 2026-01 | −$22.15M |
BUFSX Debt Constituents
No individual debt constituents are reported in Buffalo Small Cap Growth Fund's latest SEC N-PORT filing.
BUFSX Prospectus and SEC Filings
Official Buffalo Small Cap Growth Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-07-27
- Prospectus (485BPOS) — filed 2025-07-25
- Prospectus (485BPOS) — filed 2024-07-26
- Portfolio holdings (N-PORT) — filed 2026-08-21
- Portfolio holdings (N-PORT) — filed 2026-05-22
- Portfolio holdings (N-PORT) — filed 2026-02-24
- Annual census (N-CEN) — filed 2026-06-08
- Annual census (N-CEN) — filed 2025-06-09
Related Funds
Other United States Small Cap Growth Equity funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.