ENIAX — Siit Opportunistic Income Fund
Data updated: 2026-08-14
ENIAX — Siit Opportunistic Income Fund. Intermediate Securitized (MBS/ABS/CMBS) Bond · $387.37M AUM. Holdings, fees, performance and SEC filings.
ENIAX Fund Overview
ENIAX — Siit Opportunistic Income Fund is a US mutual fund managed by Sei Institutional Investments Trust, categorised as Intermediate Securitized (MBS/ABS/CMBS) 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 Investments Trust
- Category: Intermediate Securitized (MBS/ABS/CMBS) Bond
- Assets under management: $387.37M
- 1-year return: 5.3%
- Ticker: ENIAX
- SEC CIK: 0000939934
- SEC series ID: S000014581
- Share class ID: C000039813
ENIAX Holdings
Top 10 holdings of Siit Opportunistic Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Towd Point Mortgage Trust | 0.78% |
| United States of America | 0.64% |
| Freddie Mac Stacr Remic Trust | 0.54% |
| Freddie Mac Stacr Remic Trust | 0.53% |
| Freddie Mac Stacr Remic Trust | 0.52% |
| United States of America | 0.52% |
| Hyundai Capital America | 0.50% |
| Barings Clo Ltd. | 0.50% |
| Star Trust | 0.47% |
| Freddie Mac Stacr Remic Trust | 0.44% |
ENIAX Portfolio Allocation
Asset-class allocation of Siit Opportunistic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 50.5% |
| Loans | 31.6% |
| Fixed Income | 13.9% |
| Cash & Equivalents | 3.8% |
| Other | 0.6% |
| Derivatives | 0.3% |
| Equity | 0.2% |
ENIAX Performance
Total returns for ENIAX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.2% |
| 1 year | 5.3% |
| 3 years (annualised) | 7.4% |
| 5 years (annualised) | 5.1% |
ENIAX Risk Information
Risk metrics for ENIAX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 0.8%
ENIAX Costs and Fees
ENIAX costs about $57 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.57%
- Gross expense ratio: 0.57%
- Portfolio turnover: 48%
- Brokerage commissions: 0.02 bps of average net assets (SEC N-CEN)
ENIAX Cashflows
Over the 12 months to 2026-05, Siit Opportunistic Income Fund had net outflows of $16.24M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | −$47.10M |
| 2026-04 | $4.98M |
| 2026-03 | −$3.53M |
| 2026-02 | $5.74M |
| 2026-01 | −$4.94M |
| 2025-12 | $1.32M |
ENIAX Debt Constituents
Largest debt holdings of Siit Opportunistic Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States of America | 0.64% |
| Freddie Mac Stacr Remic Trust | 0.54% |
| Freddie Mac Stacr Remic Trust | 0.53% |
| Freddie Mac Stacr Remic Trust | 0.52% |
| United States of America | 0.52% |
| Hyundai Capital America | 0.50% |
| Freddie Mac Stacr Remic Trust | 0.44% |
| Freddie Mac Stacr Remic Trust | 0.33% |
| Freddie Mac Stacr Remic Trust | 0.27% |
| Freddie Mac Stacr Remic Trust | 0.26% |
ENIAX Prospectus and SEC Filings
Official Siit Opportunistic Income Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2025-09-26
- Prospectus (485BPOS) — filed 2024-09-27
- Prospectus supplement (497) — filed 2023-10-05
- Portfolio holdings (N-PORT) — filed 2026-07-29
- Portfolio holdings (N-PORT) — filed 2026-04-28
- Portfolio holdings (N-PORT) — filed 2026-01-28
- Annual census (N-CEN) — filed 2026-08-14
- Annual census (N-CEN) — filed 2025-08-14
Related Funds
Other Intermediate Securitized (MBS/ABS/CMBS) 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.