OWCAX — Old Westbury California Municipal Bond Fund
Data updated: 2026-06-26
OWCAX — Old Westbury California Municipal Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Municipal - National Bond · $406.48M AUM · 0.57% expense ratio · 4.6% 1-yr return. From SEC regulatory filings.
OWCAX Fund Overview
OWCAX — Old Westbury California Municipal Bond Fund is a US mutual fund managed by Old Westbury Funds INC, categorised as Intermediate Municipal - National Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Old Westbury Funds INC
- Category: Intermediate Municipal - National Bond
- Assets under management: $406.48M
- 1-year return: 4.6%
- Ticker: OWCAX
- SEC CIK: 0000909994
- SEC series ID: S000063602
- Share class ID: C000206042
OWCAX Holdings
Top 10 holdings of Old Westbury California Municipal Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| California (ca), State Of | 2.90% |
| California Educational Facilities Authority (ca) | 2.87% |
| California (ca), State Of | 2.71% |
| San Francisco Calif City & Cnty Arpts Commn | 2.68% |
| California (ca), State Of | 2.58% |
| San Francisco City And County Airport Commission (ca) | 2.57% |
| Santa Clara Valley Water District (ca) | 2.46% |
| California (ca), State Of | 2.41% |
| California Infrastructure Economic Development Bank (ca) | 2.35% |
| University Calif | 2.15% |
OWCAX Portfolio Allocation
Asset-class allocation of Old Westbury California Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 97.7% |
| Cash & Equivalents | 1.0% |
OWCAX Performance
Total returns for OWCAX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.1% |
| 1 year | 4.6% |
| 3 years (annualised) | 2.5% |
| 5 years (annualised) | 0.8% |
OWCAX Risk Information
Risk metrics for OWCAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.1%
OWCAX Costs and Fees
OWCAX costs about $57 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.57%
- Gross expense ratio: 0.76%
- Portfolio turnover: 24%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
OWCAX Cashflows
Over the 12 months to 2026-04, Old Westbury California Municipal Bond Fund had net inflows of $47.29M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | −$645.40K |
| 2026-03 | $935.14K |
| 2026-02 | $5.21M |
| 2026-01 | $12.58M |
| 2025-12 | $733.50K |
| 2025-11 | $1.77M |
OWCAX Debt Constituents
Largest debt holdings of Old Westbury California Municipal Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| California (ca), State Of | 2.90% |
| California Educational Facilities Authority (ca) | 2.87% |
| California (ca), State Of | 2.71% |
| San Francisco Calif City & Cnty Arpts Commn | 2.68% |
| California (ca), State Of | 2.58% |
| San Francisco City And County Airport Commission (ca) | 2.57% |
| Santa Clara Valley Water District (ca) | 2.46% |
| California (ca), State Of | 2.41% |
| California Infrastructure Economic Development Bank (ca) | 2.35% |
| University Calif | 2.15% |
OWCAX Prospectus and SEC Filings
Official Old Westbury California Municipal Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Municipal - National Bond 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.