SBOTX Holdings — Overlay B Portfolio
Data updated: 2026-08-26
SBOTX holds 1,274 securities. The top 10 make up 34.9% of net assets, led by AB Fixed Income Shares, Inc. - Government Money Market Portfolio (8.05%) and U.S. Treasury Inflation-Indexed Notes (5.75%). Government Bonds (35.9%) and Funds & ETFs (19.7%) are the largest sectors, and 85.3% of the portfolio is in United States. Debt holdings: 428 positions, 50.7% of assets.
Holdings cover 107.15% of net asset value (98.74% of total assets; remainder is cash and receivables). As of June 30, 2026 · N-PORT.
SBOTX Portfolio Holdings
1,274 holdings of Overlay B Portfolio by percentage of net assets, from the fund's SEC N-PORT filing as of June 30, 2026. The 100 largest are listed below; the interactive table on this page lists all 1,274.
| Holding | Ticker | Sector | % of net assets | Value (USD) |
|---|---|---|---|---|
| AB Fixed Income Shares, Inc. - Government Money Market Portfolio | — | Funds & ETFs | 8.05% | $23.24M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 5.75% | $16.62M |
| iShares Core MSCI EAFE ETF | — | Funds & ETFs | 5.74% | $16.58M |
| iShares Core MSCI Emerging Markets ETF | — | Funds & ETFs | 3.98% | $11.49M |
| AB All Market Real Return Portfolio | — | Funds & ETFs | 3.38% | $9.75M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 2.12% | $6.12M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 1.69% | $4.88M |
| U.S. Treasury Notes | — | Government Bonds | 1.47% | $4.24M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 1.40% | $4.05M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 1.37% | $3.94M |
| Canada Government Bonds | — | Government Bonds | 1.20% | $3.46M |
| U.S. Treasury Notes | — | Government Bonds | 1.18% | $3.39M |
| U.S. Treasury Inflation-Indexed Bonds | — | Government Bonds | 1.13% | $3.26M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 1.09% | $3.15M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 1.07% | $3.10M |
| Canada Government Bonds | — | Government Bonds | 0.92% | $2.64M |
| Ginnie Mae | — | Mortgage / Securitized | 0.89% | $2.57M |
| U.S. Treasury Bills | — | Government Bonds | 0.89% | $2.56M |
| Uniform Mortgage-Backed Security, TBA | — | Mortgage / Securitized | 0.81% | $2.34M |
| U.S. Treasury Notes | — | Government Bonds | 0.77% | $2.24M |
| Ginnie Mae | — | Mortgage / Securitized | 0.77% | $2.24M |
| U.S. Treasury Bonds | — | Government Bonds | 0.74% | $2.13M |
| Japan Government Ten Year Bond | — | Government Bonds | 0.63% | $1.81M |
| Long: BS2LD77 IRS USD R V 00MSOFR IS2LD88 CCPOIS / Short: BS2LD77 IRS USD P F 1.39500 IS2LD77 CCPOIS | — | Unknown | 0.62% | $1.78M |
| Ginnie Mae | — | Mortgage / Securitized | 0.61% | $1.76M |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.51% | $1.47M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 0.51% | $1.46M |
| U.S. Treasury Bonds | — | Government Bonds | 0.50% | $1.43M |
| Ginnie Mae | — | Mortgage / Securitized | 0.48% | $1.38M |
| Ginnie Mae | — | Mortgage / Securitized | 0.47% | $1.36M |
| Az53429 Alliance | — | Unknown | 0.46% | $1.34M |
| Ginnie Mae | — | Mortgage / Securitized | 0.44% | $1.27M |
| U.S. Treasury Bonds | — | Government Bonds | 0.43% | $1.25M |
| U.S. Treasury Inflation-Indexed Notes | — | Government Bonds | 0.41% | $1.19M |
| U.S. Treasury Bonds | — | Government Bonds | 0.41% | $1.19M |
| Bundesrepublik Deutschland Bundesanleihe | — | Government Bonds | 0.40% | $1.17M |
| Japan Government Five Year Bonds | — | Government Bonds | 0.40% | $1.16M |
| Diamond Issuer LLC | — | Mortgage / Securitized | 0.38% | $1.11M |
| U.S. Treasury Bonds | — | Government Bonds | 0.38% | $1.08M |
| U.K. Gilts | — | Government Bonds | 0.37% | $1.07M |
| Ginnie Mae II Pool | — | Mortgage / Securitized | 0.36% | $1.05M |
| Uniform Mortgage-Backed Security, TBA | — | Mortgage / Securitized | 0.36% | $1.05M |
| Uniform Mortgage-Backed Security, TBA | — | Mortgage / Securitized | 0.36% | $1.04M |
| AB Issuer LLC | — | Mortgage / Securitized | 0.36% | $1.04M |
| U.S. Treasury Notes | — | Government Bonds | 0.35% | $1.01M |
| Neighborly Issuer 2023-1 | — | Mortgage / Securitized | 0.35% | $1.01M |
| U.S. Treasury Bonds | — | Government Bonds | 0.34% | $983.45K |
| Japan Government Five Year Bonds | — | Government Bonds | 0.33% | $944.12K |
| U.S. Treasury Bonds | — | Government Bonds | 0.30% | $875.89K |
| Federal Home Loan Banks | — | Government Bonds | 0.30% | $861.99K |
| Bank of Ireland Group PLC | — | Corporate Bonds | 0.28% | $816.89K |
| U.S. Treasury Notes | — | Government Bonds | 0.28% | $800.08K |
| Freddie Mac STACR REMIC Trust 2022-DNA5 | — | Mortgage / Securitized | 0.28% | $795.69K |
| Canada Government Bonds | — | Government Bonds | 0.27% | $790.24K |
| Univ of California Ca Revenues | — | Municipal Bonds | 0.27% | $780.95K |
| Nationwide Building Society | — | Corporate Bonds | 0.27% | $767.00K |
| Neighborly Issuer 2022-1 | — | Mortgage / Securitized | 0.26% | $763.29K |
| NVIDIA Corp | NVDA | Information Technology | 0.26% | $761.34K |
| Brazil Notas do Tesouro Nacional Serie F | — | Government Bonds | 0.26% | $752.24K |
| Microsoft Corp | MSFT | Information Technology | 0.26% | $748.28K |
| U.S. Treasury Notes | — | Government Bonds | 0.26% | $740.69K |
| Apple Inc | AAPL | Information Technology | 0.26% | $737.29K |
| U.S. Treasury Bonds | — | Government Bonds | 0.25% | $715.95K |
| China Government Bond | — | Government Bonds | 0.25% | $715.07K |
| U.S. Treasury Bonds | — | Government Bonds | 0.25% | $713.03K |
| U.S. Treasury Notes | — | Government Bonds | 0.25% | $709.43K |
| Broadcom Inc | AVGO | Information Technology | 0.24% | $704.50K |
| Ochsner LSU Health System of North Louisiana | — | Corporate Bonds | 0.24% | $697.15K |
| U.S. Treasury Notes | — | Government Bonds | 0.23% | $672.80K |
| Uniform Mortgage-Backed Security, TBA | — | Mortgage / Securitized | 0.23% | $664.93K |
| Ross Stores Inc | — | Corporate Bonds | 0.23% | $658.29K |
| U.S. Treasury Notes | — | Government Bonds | 0.23% | $649.83K |
| Meta Platforms Inc | META | Communication Services | 0.22% | $645.53K |
| Florida St Brd of Admin Fin Corp. Revenue | — | Municipal Bonds | 0.22% | $636.12K |
| U.S. Treasury Bonds | — | Government Bonds | 0.22% | $633.88K |
| Ford Motor Co | — | Corporate Bonds | 0.22% | $629.91K |
| Uniform Mortgage-Backed Security, TBA | — | Mortgage / Securitized | 0.21% | $613.88K |
| Gsf 2021 1 Issuer LLC | — | Unknown | 0.21% | $612.76K |
| U.S. Treasury Bonds | — | Government Bonds | 0.21% | $600.30K |
| COMM 2010-C1 Mortgage Trust | — | Mortgage / Securitized | 0.21% | $593.51K |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.21% | $593.06K |
| Eli Lilly & Co | LLY | Health Care | 0.20% | $581.72K |
| Carvana Auto Receivables Trust 2021-P4 | — | Mortgage / Securitized | 0.20% | $579.53K |
| Bundesrepublik Deutschland Bundesanleihe | — | Government Bonds | 0.20% | $575.49K |
| Altria Group Inc | — | Corporate Bonds | 0.20% | $567.67K |
| Fannie Mae Pool | — | Mortgage / Securitized | 0.19% | $558.82K |
| ENA Master Trust | — | Corporate Bonds | 0.19% | $548.27K |
| ASML Holding NV | ASMLF | Information Technology | 0.19% | $536.63K |
| Hungary Government Bond | — | Government Bonds | 0.18% | $533.64K |
| SNCF Reseau | — | Government Bonds | 0.18% | $530.59K |
| U.S. Treasury Bonds | — | Government Bonds | 0.18% | $526.91K |
| U.S. Treasury Bonds | — | Government Bonds | 0.18% | $519.85K |
| Ginnie Mae | — | Mortgage / Securitized | 0.18% | $515.01K |
| Towd Point Mortgage Trust 2026-CES2 | — | Mortgage / Securitized | 0.18% | $510.29K |
| Republic of Austria Government Bonds | — | Government Bonds | 0.18% | $508.84K |
| Sekisui House US Inc | — | Corporate Bonds | 0.17% | $493.81K |
| National Australia Bank Ltd | — | Corporate Bonds | 0.17% | $490.88K |
| RCKT Mortgage Trust 2026-CES2 | — | Mortgage / Securitized | 0.17% | $483.71K |
| Freddie Mac Pool | — | Mortgage / Securitized | 0.17% | $478.63K |
| Japan Government Twenty Year Bonds | — | Government Bonds | 0.16% | $470.69K |
SBOTX Sector Allocation
Overlay B Portfolio holdings grouped by sector, by share of the portfolio's market value.
| Sector | Weight | Holdings |
|---|---|---|
| Government Bonds | 35.9% | 115 |
| Funds & ETFs | 19.7% | 4 |
| Mortgage / Securitized | 17.7% | 215 |
| Corporate Bonds | 16.2% | 307 |
| Information Technology | 2.6% | 88 |
| Health Care | 1.1% | 52 |
| Industrials | 0.9% | 85 |
| Financials | 0.9% | 71 |
| Communication Services | 0.8% | 28 |
| Consumer Staples | 0.7% | 29 |
| Municipal Bonds | 0.5% | 5 |
| Consumer Discretionary | 0.3% | 32 |
| Utilities | 0.2% | 25 |
| Materials | 0.2% | 18 |
| Energy | 0.1% | 14 |
| Real Estate | 0.1% | 8 |
| Unknown | 2.0% | 178 |
SBOTX Country Allocation
Where Overlay B Portfolio's holdings are domiciled, by percentage of net assets (largest 15).
| Country | % of net assets |
|---|---|
| United States | 85.3% |
| Canada | 3.3% |
| United Kingdom | 3.2% |
| Japan | 2.8% |
| France | 1.6% |
| Cayman Islands | 1.5% |
| Germany | 1.0% |
| Netherlands | 0.8% |
| Ireland | 0.8% |
| Spain | 0.8% |
| Italy | 0.7% |
| Australia | 0.7% |
| China | 0.5% |
| Switzerland | 0.4% |
| Colombia | 0.4% |
SBOTX 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% |
| Derivatives | 1.4% |
| Real Estate | 1.2% |
SBOTX 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% |
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.