Returns Chart

Key Stats

Net Expense Ratio Total Assets Under Management Weighted Average Dividend Yield Turnover Ratio (Generic)
0.81% 745.54M -- 652.0%
1 Year Fund Level Flows 1 Year Total Returns (Daily) Annualized Total Returns Since Inception (Daily) Max Drawdown (Since Inception)
95.59M 6.09%

Basic Info

Investment Strategy
The Fund seeks a high level of current income, consistent with prudent investment risk. Under normal market and economic conditions, the Fund invests at least 80% of assets in investment-grade mortgage-related securities (those of medium and high quality) and repurchase agreements for those securities.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond USD Mortgages
Peer Group U.S. Mortgage Funds
Global Macro Bond HC
US Macro U.S. Government & Treasury Fixed Income Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective U.S. Mortgage Funds
Fund Owner Firm Name Fidelity Investments
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Net Fund Flows Versus Peer Group

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1M
3M
6M
YTD
1Y
3Y
5Y
10Y
 
80.00B
60.00B
40.00B
20.00B
0
-20.00B
1 Month
% Rank: 35
-137.50M Peer Group Low
554.11M Peer Group High
1 Year
% Rank: 29
95.59M
-5.230B Peer Group Low
5.749B Peer Group High
3 Months
% Rank: 30
-454.36M Peer Group Low
640.69M Peer Group High
3 Years
% Rank: 94
-6.514B Peer Group Low
9.418B Peer Group High
6 Months
% Rank: 35
-3.168B Peer Group Low
850.85M Peer Group High
5 Years
% Rank: 88
-19.53B Peer Group Low
10.45B Peer Group High
YTD
% Rank: 33
-335.87M Peer Group Low
554.11M Peer Group High
10 Years
% Rank: 77
-32.15B Peer Group Low
27.19B Peer Group High
Date Unavailable

Performance Versus Peer Group

 
20%
15%
10%
5%
0
Name
1M
3M
YTD
1Y
3Y
5Y
10Y
15Y
Total Return (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
Peer Group Rtn. (NAV)
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
12.00%
% Rank in Peer Group (NAV)
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
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Annual Total Returns Versus Peers

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Name
2019
2020
2021
2022
2023
2024
2025
YTD
6.03%
4.05%
-1.39%
-12.46%
4.54%
0.65%
7.90%
1.47%
8.72%
7.51%
-1.54%
-13.01%
5.53%
1.25%
7.30%
1.22%
5.65%
3.50%
-1.34%
-12.15%
4.53%
0.76%
7.65%
1.49%
6.93%
5.49%
-0.30%
-10.64%
4.34%
1.28%
7.98%
1.52%
6.31%
2.60%
-1.68%
-12.00%
4.60%
0.59%
7.65%
1.60%
5.06%
2.95%
-2.78%
-12.82%
3.56%
-0.27%
6.83%
1.48%
As of March 04, 2026.

Fundamentals

General
Distribution Yield --
Dividend Yield TTM (3-2-26) 3.55%
30-Day SEC Yield (1-31-26) 3.40%
7-Day SEC Yield --
Number of Holdings 1591
Bond
Yield to Maturity (12-31-25) 4.67%
Effective Duration 5.30
Average Coupon 4.52%
Calculated Average Quality 1.072
Effective Maturity 24.49
Nominal Maturity 24.49
Number of Bond Holdings 1447
As of December 31, 2025

Asset Allocation

As of December 31, 2025.
Type % Net
Cash 2.61%
Stock 0.00%
Bond 97.82%
Convertible 0.00%
Preferred 0.00%
Other -0.43%
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Top 10 Holdings

Name % Weight Price % Change
Fidelity Cash Central Fund
9.73% -- --
Government National Mortgage Association 2 5.5% 01-MAR-2056
8.00% -- --
Federal National Mortgage Association 2% 01-MAR-2055
5.71% -- --
Government National Mortgage Association 2 6% 01-MAR-2056
3.28% -- --
GNMA 2.0 04/20/2052 FIX USD Agency 2.27% 83.98 -0.29%
Federal National Mortgage Association 5% 01-FEB-2041
1.82% -- --
Government National Mortgage Association 2 5.5% 01-FEB-2056
1.64% -- --
Government National Mortgage Association 2 6%
1.42% -- --
Federal National Mortgage Association 6% 01-MAR-2056
1.35% -- --
FHLMC-New 3.5 04/25/2052 FIX USD Agency 1.27% 94.59 -0.24%

Fees & Availability

Fees
Actual 12B-1 Fee 0.25%
Actual Management Fee 0.28%
Administration Fee --
Maximum Front Load 4.00%
Maximum Deferred Load --
Maximum Redemption Fee --
General Availability
Available for Insurance Product No
Available for RRSP No
Purchase Details
Open to New Investors Yes
Minimum Initial Investment 0.00 None
Minimum Subsequent Investment 0.00 None

Basic Info

Investment Strategy
The Fund seeks a high level of current income, consistent with prudent investment risk. Under normal market and economic conditions, the Fund invests at least 80% of assets in investment-grade mortgage-related securities (those of medium and high quality) and repurchase agreements for those securities.
General
Security Type Mutual Fund
Equity Style --
Broad Asset Class Taxable Bond
Broad Category Fixed Income
Global Peer Group Bond USD Mortgages
Peer Group U.S. Mortgage Funds
Global Macro Bond HC
US Macro U.S. Government & Treasury Fixed Income Funds
YCharts Categorization --
YCharts Benchmark --
Prospectus Objective U.S. Mortgage Funds
Fund Owner Firm Name Fidelity Investments
Broad Asset Class Benchmark Index
^BBUSATR 100.0%

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Fundamentals

General
Distribution Yield --
Dividend Yield TTM (3-2-26) 3.55%
30-Day SEC Yield (1-31-26) 3.40%
7-Day SEC Yield --
Number of Holdings 1591
Bond
Yield to Maturity (12-31-25) 4.67%
Effective Duration 5.30
Average Coupon 4.52%
Calculated Average Quality 1.072
Effective Maturity 24.49
Nominal Maturity 24.49
Number of Bond Holdings 1447
As of December 31, 2025

Fund Details

Key Dates
Inception Date 12/31/1984
Share Classes
FIKUX Z
FMGAX A
FMSCX Inst
FMSFX Direct Sold
FOMCX C
Attributes
Inverse Fund No
Leveraged Fund --
Currency Hedged Fund --
Socially Responsible Fund No

Top Portfolio Holders

Name % Weight
Portfolio A 5.00%
Portfolio B 3.50%
Portfolio C 2.25%
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Excel Add-In Codes

Name: =YCI("M:FMSAX", "name")
Broad Asset Class: =YCI("M:FMSAX", "broad_asset_class")
Broad Category: =YCI("M:FMSAX", "broad_category_group")
Prospectus Objective: =YCI("M:FMSAX", "prospectus_objective")
To find the codes for any of our securities and financial metrics, see our Complete Excel Reference.
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