WBCRX — William Blair Small-Mid Cap Core Fund

Data updated: 2026-05-28

WBCRX — William Blair Small-Mid Cap Core Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. United States Mid Cap Value Equity · $226.16M AUM · 1.18% expense ratio · 8.1% 1-yr return. From SEC regulatory filings.

WBCRX Fund Overview

WBCRX — William Blair Small-Mid Cap Core Fund is a US mutual fund managed by William Blair Funds, categorised as United States Mid Cap Value Equity. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.

  • Type: US mutual fund
  • Manager: William Blair Funds
  • Category: United States Mid Cap Value Equity
  • Assets under management: $226.16M
  • 1-year return: 8.1%
  • Ticker: WBCRX
  • SEC CIK: 0000822632
  • SEC series ID: S000066499
  • Share class ID: C000214492

WBCRX Holdings

Top 10 holdings of William Blair Small-Mid Cap Core Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Diebold Nixdorf Inc2.17%
Ciena Corp2.13%
Fixed Income Clearing Corp.2.05%
F5 Inc1.99%
Akamai Technologies Inc1.89%
IDACORP Inc1.86%
Everest Group Ltd1.84%
Old National Bancorp/IN1.69%
Primo Brands Corp1.61%
Coherent Corp1.60%

View all WBCRX holdings

WBCRX Portfolio Allocation

Asset-class allocation of William Blair Small-Mid Cap Core Fund by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Equity98.0%
Cash & Equivalents2.1%

WBCRX Performance

Total returns for WBCRX (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD-1.6%
1 year8.1%
3 years (annualised)7.1%
5 years (annualised)3.4%

WBCRX Risk Information

Risk metrics for WBCRX, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 9.9%

WBCRX Costs and Fees

WBCRX costs about $118 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 1.18%
  • Gross expense ratio: 1.04%
  • Portfolio turnover: 81%
  • Brokerage commissions: 5.47 bps of average net assets (SEC N-CEN)

WBCRX Cashflows

Over the 12 months to 2026-03, William Blair Small-Mid Cap Core Fund had net inflows of $102.38M, from monthly SEC N-PORT filings.

MonthNet flow
2026-03$107.05M
2026-02−$4.47M
2026-01−$355.61K
2025-12$296.84K
2025-11−$6.62M
2025-10−$11.56M

WBCRX Debt Constituents

No individual debt constituents are reported in William Blair Small-Mid Cap Core Fund's latest SEC N-PORT filing.

WBCRX Prospectus and SEC Filings

Official William Blair Small-Mid Cap Core Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other United States Mid Cap Value 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.