SPHIX — Fidelity High Income Fund
Data updated: 2026-07-10
SPHIX — Fidelity High Income Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Intermediate Corporate Bond · $3.00B AUM · 0.69% expense ratio · 12.0% 1-yr return. From SEC regulatory filings.
SPHIX Fund Overview
SPHIX — Fidelity High Income Fund is a US mutual fund managed by Fidelity Summer Street 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: Fidelity Summer Street Trust
- Category: Intermediate Corporate Bond
- Assets under management: $3.00B
- 1-year return: 12.0%
- Ticker: SPHIX
- SEC CIK: 0000225322
- SEC series ID: S000017690
- Share class ID: C000048886
SPHIX Holdings
Top 10 holdings of Fidelity High Income Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Fidelity Revere Street Trust | 10.89% |
| Fidelity Revere Street Trust | 5.73% |
| Ust Notes | 2.26% |
| New Fortress Energy, Inc. | 0.65% |
| 1261229 Bc Ltd. | 0.54% |
| 1261229 Bc Ltd. | 0.53% |
| Coreweave, Inc. | 0.50% |
| Oracle Corp. | 0.49% |
| Artera Services LLC | 0.48% |
| Csc Serviceworks East LLC | 0.48% |
SPHIX Portfolio Allocation
Asset-class allocation of Fidelity High Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 83.1% |
| Cash & Equivalents | 16.6% |
| Loans | 8.3% |
| Equity | 3.8% |
SPHIX Performance
Total returns for SPHIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.7% |
| 1 year | 12.0% |
| 3 years (annualised) | 9.8% |
| 5 years (annualised) | 4.5% |
SPHIX Risk Information
Risk metrics for SPHIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 3.7%
SPHIX Costs and Fees
SPHIX costs about $69 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.69%
- Gross expense ratio: 0.69%
- Portfolio turnover: 78%
- Brokerage commissions: 0.24 bps of average net assets (SEC N-CEN)
SPHIX Cashflows
Over the 12 months to 2026-04, Fidelity High Income Fund had net inflows of $22.95M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-04 | $15.26M |
| 2026-03 | −$75.96M |
| 2026-02 | −$40.38M |
| 2026-01 | $31.66M |
| 2025-12 | $20.53M |
| 2025-11 | $22.06M |
SPHIX Debt Constituents
Largest debt holdings of Fidelity High Income Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| Ust Notes | 2.26% |
| 1261229 Bc Ltd. | 0.53% |
| Coreweave, Inc. | 0.50% |
| Oracle Corp. | 0.49% |
| Artera Services LLC | 0.48% |
| Pr Rno Property Owner 1 LLC | 0.48% |
| Apld Computeco LLC | 0.47% |
| PG and E CORP | 0.44% |
| Mpt Oper Partnership LP / Mpt Fin Corp. | 0.42% |
| Redfin Corporation | 0.42% |
SPHIX Prospectus and SEC Filings
Official Fidelity High Income 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.