SBOOX — Overlay B Portfolio
Data updated: 2026-08-26
SBOOX — Overlay B Portfolio. Long Total / Aggregate Bond · $288.75M AUM · 0.95% expense ratio · 9.1% 1-yr return. Holdings, fees, performance and SEC filings.
SBOOX Fund Overview
SBOOX — Overlay B Portfolio is a US mutual fund managed by Bernstein Sanford C Fund INC, categorised as Long Total / Aggregate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Bernstein Sanford C Fund INC
- Category: Long Total / Aggregate Bond
- Assets under management: $288.75M
- 1-year return: 9.1%
- Ticker: SBOOX
- SEC CIK: 0000832808
- SEC series ID: S000027649
- Share class ID: C000083498
SBOOX Holdings
Top 10 holdings of Overlay B Portfolio by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Alliance Bernstein | 8.05% |
| United States Treasury | 5.75% |
| iShares Core MSCI EAFE ETF | 5.74% |
| iShares Core MSCI Emerging Markets ETF | 3.98% |
| AB All Market Real Return Portfolio | 3.38% |
| United States Treasury | 2.12% |
| United States Treasury | 1.69% |
| United States Treasury | 1.47% |
| United States Treasury | 1.40% |
| United States Treasury | 1.37% |
SBOOX Portfolio Allocation
Asset-class allocation of Overlay B Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 55.6% |
| Equity | 21.5% |
| Securitized | 19.2% |
| Cash & Equivalents | 8.9% |
| Real Estate | 1.4% |
| Derivatives | 1.2% |
SBOOX Performance
Total returns for SBOOX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 4.0% |
| 1 year | 9.1% |
| 3 years (annualised) | 8.4% |
| 5 years (annualised) | 2.4% |
SBOOX Risk Information
Risk metrics for SBOOX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 5.5%
SBOOX Costs and Fees
SBOOX costs about $95 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.95%
- Gross expense ratio: 1.00%
- Portfolio turnover: 140%
- Brokerage commissions: 1.19 bps of average net assets (SEC N-CEN)
SBOOX Cashflows
Over the 12 months to 2026-06, Overlay B Portfolio had net outflows of $36.49M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$5.09M |
| 2026-05 | −$4.08M |
| 2026-04 | −$2.04M |
| 2026-03 | −$2.35M |
| 2026-02 | −$3.30M |
| 2026-01 | −$3.08M |
SBOOX Debt Constituents
Largest debt holdings of Overlay B Portfolio by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury | 5.75% |
| United States Treasury | 2.12% |
| United States Treasury | 1.69% |
| United States Treasury | 1.47% |
| United States Treasury | 1.40% |
| United States Treasury | 1.37% |
| Canada Government Bonds | 1.20% |
| United States Treasury | 1.18% |
| United States Treasury | 1.13% |
| United States Treasury | 1.09% |
SBOOX Prospectus and SEC Filings
Official Overlay B Portfolio filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-01-29
- Prospectus (485BPOS) — filed 2024-01-26
- Prospectus supplement (497) — filed 2026-01-30
- Portfolio holdings (N-PORT) — filed 2026-08-26
- Portfolio holdings (N-PORT) — filed 2026-05-26
- Portfolio holdings (N-PORT) — filed 2026-02-26
- Annual census (N-CEN) — filed 2025-12-12
- Annual census (N-CEN) — filed 2024-12-13
Related Funds
Other Long Total / Aggregate 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.