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Fidelity Advisor Series IV
2025-11-30
Fidelity® Limited Term Government Fund
Fidelity® Limited Term Government Fund
FFXSX
This annual shareholder report contains information about Fidelity® Limited Term Government Fund for the period December 1, 2024 to November 30, 2025.
annual shareholder report
You can find additional information about the Fund at fundresearch.fidelity.com/prospectus/sec. You can also request this information by contacting us at 1-800-544-8544 or by sending an e-mail to fidfunddocuments@fidelity.com.
fundresearch.fidelity.com/prospectus/sec
1-800-544-8544
fidfunddocuments@fidelity.com
<span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;">What were your Fund costs for the last year?</span>
<div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">(based on hypothetical $10,000 investment)</span></div>
<div><span style="font-size:11px;"> </span></div><div style="text-align:left;text-align-last:auto;"></div>
<div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;">FUND COST (PREVIOUS YEAR)</span></div>
<div style="text-align:left;text-align-last:auto;"></div>
<div style="text-align:left;text-align-last:auto;"><table cellpadding="0" cellspacing="0" style="border-collapse:collapse;border-style:none;" width="100%"><tr><td style="width:51%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"> </span></div>
</td>
<td style="width:21%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"><div style="text-align:center;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;">Costs of a $10,000 investment</span></div>
</td>
<td style="width:27%; background-color:#dfe0e4;border:1px solid #dfe0e4;padding:0px 0px 0px 0px;" valign="bottom"><div style="text-align:center;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;">Costs paid as a percentage of a $10,000 investment </span></div>
</td>
<td style="width:1%; " valign="top"><span style="line-height:12px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
<tr><td style="width:51%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="top"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Limited Term Government Fund</span><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"> </span></div>
</td>
<td style="width:21%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:center;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">$ </span>31<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"> </span></div>
</td>
<td style="width:27%; border-bottom:1px solid #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:center;text-align-last:auto;">0.30<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">%</span></div>
</td>
<td style="width:1%; " valign="top"><span style="line-height:12px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
</table>
</div>
<div style="text-align:left;text-align-last:auto;"></div>
31
0.0030
<span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;">What affected the Fund's performance this period?</span>
<div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"> </span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>U.S. taxable investment-grade bonds advanced solidly for the 12 months ending November 30, 2025, navigating tariff-related uncertainty since late 2024 but buoyed by relatively stable consumer inflation, strong corporate earnings and policy interest rate cuts by the U.S. Federal Reserve in September and October. </span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>Against this backdrop, an overweight in government agency commercial mortgage-backed securities contributed to performance versus the Bloomberg US 1-5 Year Government Bond Index. </span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>Timely exposure to higher-coupon 30-year conventional mortgage-backed securities also helped for the 12 months. </span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>The fund had a slightly longer duration than the index (more interest-rate sensitivity), which acted as a modest tailwind as bond yields declined.</span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>In contrast, an underweight in government-related securities detracted versus the Index. </span></div>
<div style="text-align:left;text-align-last:auto;text-indent:-24px;margin-bottom:2px;margin-left:24px;margin-top:5px;margin-right:0px;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:normal;">•<span style="padding-right:10px"></span>The fund's yield-curve positioning, meaning how investments were allocated among various bond maturities, slightly crimped relative performance as the curve steepened.</span></div>
<div style="text-align:left;text-align-last:auto;"></div>
How did the Fund perform over the past 10 years?
CUMULATIVE PERFORMANCE
November 30, 2015 through November 30, 2025.
Initial investment of $10,000.
Fidelity® Limited Term Government Fund
$10,000
$10,037
$10,085
$10,105
$10,588
$10,999
$10,863
$10,171
$10,419
$10,925
$11,511
Bloomberg U.S. 1-5 Year Government Bond Index
$10,000
$10,086
$10,157
$10,197
$10,733
$11,206
$11,108
$10,474
$10,769
$11,309
$11,932
Bloomberg U.S. Aggregate Bond Index
$10,000
$10,217
$10,546
$10,404
$11,527
$12,366
$12,224
$10,654
$10,780
$11,521
$12,178
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Fidelity® Limited Term Government Fund</span>
10000
10037
10085
10105
10588
10999
10863
10171
10419
10925
11511
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. 1-5 Year Government Bond Index</span>
10000
10086
10157
10197
10733
11206
11108
10474
10769
11309
11932
<span style="font-family:'Fidelity Sans';font-size:9px;color:#000000;font-style:normal;font-weight:normal;">Bloomberg U.S. Aggregate Bond Index</span>
10000
10217
10546
10404
11527
12366
12224
10654
10780
11521
12178
AVERAGE ANNUAL TOTAL RETURNS:
1 Year
5 Year
10 Year
Fidelity® Limited Term Government Fund
5.36%
0.91%
1.42%
Bloomberg U.S. 1-5 Year Government Bond Index
5.51%
1.26%
1.78%
Bloomberg U.S. Aggregate Bond Index
5.70%
-0.31%
1.99%
Visit www.fidelity.com for more recent performance information.
The Fund's past performance is not a good predictor of the Fund's future performance. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.
0.0536
0.0091
0.0142
0.0551
0.0126
0.0178
0.0570
-0.0031
0.0199
<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Visit </span><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;">www.fidelity.com</span><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;"> for more recent performance information.</span>
<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:italic;font-weight:normal;">The Fund's past performance is not a good predictor of the Fund's future performance.</span>
<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares.</span>
<span style="font-family:'Fidelity Sans';font-size:16px;color:#368627;font-style:normal;font-weight:bold;">Key Fund Statistics</span>
<div style="text-align:left;text-align-last:auto;"></div>
<div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">(as of November 30, 2025)</span></div>
<div><span style="font-size:11px;"> </span></div><div style="text-align:left;text-align-last:auto;"></div>
<div style="text-align:right;text-align-last:auto;"><table cellpadding="0" cellspacing="1" style="border-collapse:separate;border-style:none;margin:auto;" width="100%"><tr><td style="width:63%; " valign="top"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:12px;color:#000000;font-style:normal;font-weight:bold;">KEY FACTS</span></div>
<div style="text-align:left;text-align-last:auto;"></div>
<div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:bold;"> <span> </span></span></div>
<div style="text-align:left;text-align-last:auto;"></div>
</td>
<td style="width:32%; " valign="top"><span style="line-height:12px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
<td style="width:5%; " valign="top"><span style="line-height:12px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
<tr><td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Fund Size</span></div>
</td>
<td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:right;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">$</span>167,983,596</div>
<div style="text-align:right;text-align-last:auto;"></div>
</td>
<td style="width:5%; " valign="top"><span style="line-height:11px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
<tr><td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Number of Holdings</span></div>
</td>
<td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:right;text-align-last:auto;">226</div>
<div style="text-align:right;text-align-last:auto;"></div>
</td>
<td style="width:5%; " valign="top"><span style="line-height:11px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
<tr><td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Total Advisory Fee</span></div>
</td>
<td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:right;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">$</span>355,361</div>
<div style="text-align:right;text-align-last:auto;"></div>
</td>
<td style="width:5%; " valign="middle"><span style="line-height:11px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
<tr><td style="width:63%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:left;text-align-last:auto;"><span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">Portfolio Turnover</span></div>
</td>
<td style="width:32%; border-bottom:1px dashed #000000;padding:0px 0px 0px 0px;" valign="middle"><div style="text-align:right;text-align-last:auto;">48<span style="font-family:'Fidelity Sans';font-size:11px;color:#000000;font-style:normal;font-weight:normal;">%</span></div>
<div style="text-align:right;text-align-last:auto;"></div>
</td>
<td style="width:5%; " valign="top"><span style="line-height:11px;"> </span><div style="text-align:left;text-align-last:auto;"></div>
</td>
</tr>
</table>
</div>
<div style="text-align:left;text-align-last:auto;"></div>
167983596
226
355361
0.48
COUPON DISTRIBUTION
(% of Fund's net assets)
0.01 - 0.99%
2.7
1 - 1.99%
5.7
2 - 2.99%
17.7
3 - 3.99%
30.0
4 - 4.99%
33.6
5 - 5.99%
1.5
6 - 6.99%
2.1
8 - 8.99%
0.0
U.S. Treasury Obligations
76.4
CMOs and Other Mortgage Related Securities
13.8
U.S. Government Agency - Mortgage Securities
3.1
Options
0.2
Short-Term Investments and Net Other Assets (Liabilities)
6.5
ASSET ALLOCATION (% of Fund's net assets)
U.S. Treasury Obligations - 76.4
CMOs and Other Mortgage Related Securities - 13.8
U.S. Government Agency - Mortgage Securities - 3.1
Options - 0.2
Short-Term Investments and Net Other Assets (Liabilities) - 6.5
0.027
0.057
0.177
0.300
0.336
0.015
0.021
0.000
0.764
0.138
0.031
0.002
0.065
TOP HOLDINGS(% of Fund's net assets)
US Treasury Notes
75.7
Freddie Mac Multifamily Structured pass-thru certificates
11.4
Fannie Mae Mortgage pass-thru certificates
1.8
Ginnie Mae II Pool
1.1
Fannie Mae Guaranteed REMIC
1.1
US Treasury Bonds
0.7
Freddie Mac Gold Pool
0.6
Ginnie Mae Mortgage pass-thru certificates
0.6
Ginnie Mae REMIC pass-thru certificates
0.1
Fannie Mae
0.1
93.2
0.757
0.114
0.018
0.011
0.011
0.007
0.006
0.006
0.001
0.001