SEIYX — SIMT High Yield Bond Fund
Data updated: 2026-05-29
SEIYX — SIMT High Yield Bond Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Corporate Bond · $1.08B AUM · 1.30% expense ratio · 5.5% 1-yr return. From SEC regulatory filings.
SEIYX Fund Overview
SEIYX — SIMT High Yield Bond Fund is a US mutual fund managed by Sei Institutional Managed Trust, categorised as Intermediate Corporate Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: Sei Institutional Managed Trust
- Category: Intermediate Corporate Bond
- Assets under management: $1.08B
- 1-year return: 5.5%
- Ticker: SEIYX
- SEC CIK: 0000804239
- SEC series ID: S000006673
- Share class ID: C000036884
SEIYX Holdings
Top 10 holdings of SIMT High Yield Bond Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Nrg Energy, Inc. | 0.61% |
| 1261229 B.c. Ltd. | 0.60% |
| Radiology Partners, Inc. | 0.45% |
| Zayo Group Holdings, Inc. | 0.44% |
| Cco Holdings, LLC | 0.43% |
| Benefit Street Partners Clo Ltd. | 0.42% |
| Voya Clo | 0.42% |
| Rithm Capital Corp. | 0.41% |
| Tcp Whitney Clo Ltd. | 0.40% |
| Voya Clo | 0.38% |
SEIYX Portfolio Allocation
Asset-class allocation of SIMT High Yield Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 80.7% |
| Securitized | 8.4% |
| Loans | 5.9% |
| Equity | 2.8% |
| Cash & Equivalents | 1.5% |
| Derivatives | 0.3% |
| Other | 0.1% |
SEIYX Performance
Total returns for SEIYX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.9% |
| 1 year | 5.5% |
| 3 years (annualised) | 8.1% |
| 5 years (annualised) | 4.0% |
SEIYX Risk Information
Risk metrics for SEIYX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.2%
SEIYX Costs and Fees
SEIYX costs about $130 per $10,000 invested per year in fund expenses.
- Net expense ratio: 1.30%
- Gross expense ratio: 1.30%
- Portfolio turnover: 66%
- Brokerage commissions: 0.03 bps of average net assets (SEC N-CEN)
SEIYX Cashflows
Over the 12 months to 2026-03, SIMT High Yield Bond Fund had net inflows of $7.90M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $44.55M |
| 2026-02 | $11.30M |
| 2026-01 | −$47.32M |
| 2025-12 | $527.19K |
| 2025-11 | −$45.00M |
| 2025-10 | $18.01M |
SEIYX Debt Constituents
Largest debt holdings of SIMT High Yield Bond Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Nrg Energy, Inc. | 0.61% |
| 1261229 B.c. Ltd. | 0.60% |
| Radiology Partners, Inc. | 0.45% |
| Zayo Group Holdings, Inc. | 0.44% |
| Cco Holdings, LLC | 0.43% |
| Rithm Capital Corp. | 0.41% |
| Level 3 Financing, Inc. | 0.36% |
| Venture Global Lng, Inc. | 0.35% |
| Alliant Holdings Intermediate, LLC | 0.32% |
| Transdigm Inc. | 0.32% |
SEIYX Prospectus and SEC Filings
Official SIMT High Yield Bond Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Intermediate Corporate 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.