SCXIX — SIMT Core Fixed Income Fund
Data updated: 2026-08-28
SCXIX — SIMT Core Fixed Income Fund. Long Total / Aggregate Bond · $3.65B AUM · 0.99% expense ratio. Holdings, fees, performance and SEC filings.
SCXIX Fund Overview
SCXIX — SIMT Core Fixed Income Fund is a US mutual fund managed by Sei Institutional Managed 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: Sei Institutional Managed Trust
- Category: Long Total / Aggregate Bond
- Assets under management: $3.65B
- 1-year return: 3.1%
- Ticker: SCXIX
- SEC CIK: 0000804239
- SEC series ID: S000006667
- Share class ID: C000018186
SCXIX Holdings
Top 10 holdings of SIMT Core Fixed Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Goldman, Sachs & Co. | 6.12% |
| United States of America | 5.20% |
| United States of America | 4.27% |
| United States of America | 2.90% |
| United States of America | 1.79% |
| United States of America | 1.76% |
| United States of America | 1.71% |
| Federal National Mortgage Association | 1.51% |
| United States of America | 1.42% |
| United States of America | 1.27% |
SCXIX Portfolio Allocation
Asset-class allocation of SIMT Core Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 67.5% |
| Other | 23.0% |
| Securitized | 12.7% |
| Real Estate | 11.1% |
| Cash & Equivalents | 3.7% |
| Loans | 0.4% |
SCXIX Performance
Total returns for SCXIX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 0.3% |
| 1 year | 3.1% |
| 3 years (annualised) | 3.6% |
| 5 years (annualised) | -0.8% |
SCXIX Risk Information
Risk metrics for SCXIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.2%
SCXIX Costs and Fees
SCXIX costs about $99 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.99%
- Gross expense ratio: 0.99%
- Portfolio turnover: 394%
- Brokerage commissions: 1.36 bps of average net assets (SEC N-CEN)
SCXIX Cashflows
Over the 12 months to 2026-06, SIMT Core Fixed Income Fund had net inflows of $209.26M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | $47.74M |
| 2026-05 | $9.94M |
| 2026-04 | −$1.26M |
| 2026-03 | $7.74M |
| 2026-02 | $84.75M |
| 2026-01 | $11.80M |
SCXIX Debt Constituents
Largest debt holdings of SIMT Core Fixed Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States of America | 1.76% |
| United States of America | 1.71% |
| Federal National Mortgage Association | 1.51% |
| Federal National Mortgage Association | 1.11% |
| Federal National Mortgage Association | 1.10% |
| United States of America | 0.95% |
| Federal National Mortgage Association | 0.77% |
| Federal National Mortgage Association | 0.66% |
| United States of America | 0.62% |
| United States of America | 0.58% |
SCXIX Prospectus and SEC Filings
Official SIMT Core Fixed Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-01-28
- Prospectus (485BPOS) — filed 2025-01-28
- Prospectus (485BPOS) — filed 2024-01-29
- Portfolio holdings (N-PORT) — filed 2026-08-28
- Portfolio holdings (N-PORT) — filed 2026-05-29
- Portfolio holdings (N-PORT) — filed 2026-03-02
- Annual census (N-CEN) — filed 2024-12-16
- Annual census (N-CEN) — filed 2023-12-14
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.