Fidelity Series Investment Grade Bond Fund
Actively managed U.S. bond fund
As of its 2026 Q2 report, Fidelity Series Investment Grade Bond Fund held 4,646 positions with $36.37B in net assets. Its ten largest holdings made up 17.5% of the fund. The FSIGX share class costs 0% a year. Over the 12 months to May 2026, FSIGX returned 5.4%, with dividends reinvested. In 2026 Q2 it added 256 new positions and exited 155.
Fidelity Series Investment Grade Bond Fund seeks a high level of current income.
The fund invests at least 80% of assets in investment-grade debt securities across all types—corporate bonds, government securities, mortgage-backed securities, and related instruments—managed to maintain similar overall interest rate risk to the Bloomberg U.S. Aggregate Bond Index, with allocations adjusted across sectors and maturities based on credit quality, valuation, and trading opportunities. The fund may also invest in lower-quality debt securities and use derivatives and leverage to adjust risk exposure. Because security selection depends on the adviser's analysis rather than index replication, the fund's returns may diverge from the benchmark.
What you own
| Company | Weight | Value | Shares |
|---|---|---|---|
UST NOTES 4.25% · due 2035-08-15 | 1.99% | $722.10M | — |
UNITED STATES TREASURY BOND 4.13% · due 2053-08-15 | 1.94% | $703.93M | — |
UST NOTES 4.00% · due 2035-11-15 | 1.91% | $696.28M | — |
UST NOTES 4.13% · due 2036-02-15 | 1.86% | $676.82M | — |
UST NOTES 3.88% · due 2033-08-15 | 1.85% | $674.00M | — |
UST NOTES 4.38% · due 2032-01-31 | 1.67% | $607.34M | — |
UST NOTES 4.38% · due 2030-11-30 | 1.61% | $585.75M | — |
UST NOTES 4.88% · due 2030-10-31 | 1.58% | $574.61M | — |
UST NOTES 3.50% · due 2033-02-15 | 1.57% | $571.16M | — |
UST NOTES 4.25% · due 2034-11-15 | 1.52% | $552.15M | — |
The 200 largest of 4,646 holdings, with the share counts as filed, open with a free account.
What the fund is made of
Percentages are of fund net assets. Rounding, liabilities and short positions can make totals differ from 100%.
| Bonds | 72.24% |
| Securitized | 31.14% |
| Cash & short-term | 1.49% |
| Derivatives | 0.06% |
| Stocks | 0.02% |
Derivatives are shown at market value, not notional exposure.
By sector
- Government
- 45.8%
- Securitized
- 32.2%
- Financials
- 5.9%
- Other
- 5.5%
- 11 other sectors
- 10.6%
- Government
- 45.8%
- Securitized
- 32.2%
- Financials
- 5.9%
- Other
- 5.5%
- International
- 2.0%
- Real Estate
- 1.9%
- Utilities
- 1.4%
- Cash
- 1.4%
- Energy
- 1.2%
- Communication Services
- 0.8%
- Industrials
- 0.6%
- Health Care
- 0.6%
- Information Technology
- 0.6%
- Consumer Discretionary
- 0.1%
- Consumer Staples
- 0.1%
How it has done
FSIGX share class · total returns with dividends reinvested
Volatility over the last 12 months: 3.39%. Past returns are a record, not a forecast.
Fees & fund details
Fidelity Series Investment Grade Bond Fund is an actively managed U.S. bond fund.
- Asset class
- Bonds
- Region
- United States
- Management
- Actively managed
- Fund type
- Open-end fund
- Credit quality
- Investment grade
- Rate sensitivity
- Intermediate duration
- Features
- Fund of funds
- Expense ratio, by class
- 0.00%· FSIGX 0.00%
- Portfolio turnover
- 203.00% a year · as of 2025 Q4
Turnover is how much of the portfolio was replaced in a year.
Classified from what the fund holds, not from its name · 2026 Q2. The summary is a paraphrase of the prospectus; the objective is verbatim.
What changed this quarter
Positions that entered or left the fund since its previous filing. Positions that were only resized are not listed.
256 new· the largest 3
155 exited· the largest 3
Debt profile
What this fund holds — value-weighted across its bond and securitized long positions · as of 2026-05-31
Share of the fund's debt by how its coupon behaves — the fact that decides whether a rate move reaches this portfolio at all.
| Fixed rate | 83.5% |
| Floating rate | 16.5% |
Share of the fund's debt value in each maturity band, shortest first.
| <1y | 1.4% |
| 1-3y | 4.5% |
| 3-5y | 19.2% |
| 5-10y | 31.1% |
| 10y+ | 43.8% |
Based on what filers reported; a filer that never reported a flag also reads as none.
Risk profile
Interest-rate and credit-spread sensitivity, both in years · as of 2026Q2
More of this fund’s sensitivity sits in credit spreads than in interest rates — a rate rally that comes with a credit selloff works against it.
Where the loss would come from. The two shocks are the same size, so this is the balance of the fund's two sensitivities rather than a bet on one moving more.
| Credit spreads | 51% |
| Interest rates | 49% |
Filers report the impact of a 0.01% move only, so the total is our own scaling of that one number and overstates the loss on most bonds — read it as approximate, never as precise. The two sensitivities overlap rather than add up: they measure the same positions against different shocks, which is why the durations above are shown side by side and never summed.
Share of the fund's spread duration carried by each credit tier.
| Investment grade | +6.06 yr |
| High yield | +0.02 yr |
Share of duration at each point, shortest first. A positive figure loses value when spreads widen; a negative one offsets — a credit hedge.
| 3 mo | 0.01 yr | 0% |
| 1 yr | 0.33 yr | 6% |
| 5 yr | 1.90 yr | 33% |
| 10 yr | 1.76 yr | 30% |
| 30 yr | 1.78 yr | 31% |
| 3 mo | 0.11 yr | 2% |
| 1 yr | 0.69 yr | 11% |
| 5 yr | 2.31 yr | 38% |
| 10 yr | 1.89 yr | 31% |
| 30 yr | 1.09 yr | 18% |
The two bands measure the same positions against different shocks and do not add — a Treasury carries rate duration and no spread duration, a floating-rate credit the reverse. Rate tenors are also summed across every currency the fund discloses.
Show the numbers
| Tenor | Rate yrs | IG yrs | HY yrs | IG $/bp | HY $/bp |
|---|---|---|---|---|---|
| 3 mo | +0.01 | +0.10 | +0.00 | $375.3k | $12.5k |
| 1 yr | +0.33 | +0.68 | +0.01 | $2.49m | $34.3k |
| 5 yr | +1.90 | +2.30 | +0.01 | $8.36m | $32.4k |
| 10 yr | +1.76 | +1.89 | +0.00 | $6.86m | $712 |
| 30 yr | +1.78 | +1.09 | +0.00 | $3.97m | $0 |
Dollar change per 1bp of spread movement, as filed and sign-anchored. A blank cell was not filed; a zero was.
Understand how this fund fits with the rest.
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