SIUSX — Guggenheim Core Bond Fund
Data updated: 2026-06-01
SIUSX — Guggenheim Core Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Total / Aggregate Bond · $2.81B AUM · 0.76% expense ratio · 4.5% 1-yr return. From SEC regulatory filings.
SIUSX Fund Overview
SIUSX — Guggenheim Core Bond Fund is a US mutual fund managed by Guggenheim Funds Trust, 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: Guggenheim Funds Trust
- Category: Long Total / Aggregate Bond
- Assets under management: $2.81B
- 1-year return: 4.5%
- Ticker: SIUSX
- SEC CIK: 0000088525
- SEC series ID: S000043988
- Share class ID: C000136517
SIUSX Holdings
Top 10 holdings of Guggenheim Core Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Federal National Mortgage Association | 4.64% |
| Federal National Mortgage Association | 3.34% |
| Federal National Mortgage Association | 3.06% |
| United States Treasury Bonds | 2.76% |
| Government National Mortgage Association | 2.52% |
| United States Treasury Notes | 2.35% |
| United States Treasury Notes | 2.30% |
| United States Treasury Notes | 2.20% |
| Federal National Mortgage Association | 2.15% |
| United States Treasury Notes | 1.89% |
SIUSX Portfolio Allocation
Asset-class allocation of Guggenheim Core Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 57.9% |
| Fixed Income | 55.6% |
| Loans | 1.7% |
| Cash & Equivalents | 0.7% |
| Equity | 0.1% |
| Real Estate | 0.1% |
SIUSX Performance
Total returns for SIUSX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.1% |
| 1 year | 4.5% |
| 3 years (annualised) | 4.2% |
| 5 years (annualised) | 0.3% |
SIUSX Risk Information
Risk metrics for SIUSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.6%
SIUSX Costs and Fees
SIUSX costs about $76 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.76%
- Gross expense ratio: 0.87%
- Portfolio turnover: 53%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
SIUSX Cashflows
Over the 12 months to 2026-03, Guggenheim Core Bond Fund had net inflows of $560.74M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $22.30M |
| 2026-02 | $31.14M |
| 2026-01 | $23.44M |
| 2025-12 | $56.45M |
| 2025-11 | $87.99M |
| 2025-10 | $109.10M |
SIUSX Debt Constituents
Largest debt holdings of Guggenheim Core Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bonds | 2.76% |
| United States Treasury Notes | 2.35% |
| United States Treasury Notes | 2.30% |
| United States Treasury Notes | 2.20% |
| United States Treasury Notes | 1.89% |
| United States Treasury Notes | 1.75% |
| United States Treasury Notes | 1.55% |
| United States Treasury Bonds | 1.37% |
| United States Treasury Notes | 1.28% |
| Australia (Commonwealth of) | 1.21% |
SIUSX Prospectus and SEC Filings
Official Guggenheim Core Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
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.