Fidelity Flex U.S. Bond Index Fund (FIBUX) Fund Details & Analysis

Fund Information

Fund Category Intermediate Core Bond

Fund Family Fidelity Investments

Fund Style Large Blend

ISIN US31635V5396

CUSIP 31635V539

Inception Date 2017-03-09

Domicile United States

Country USA

Fiscal Year End August

NAV Chart

Fund Metrics

Net Assets $3.51 Billion

Share Class Net Assets $3.51 Billion

Expense Ratio 0.00%

Expense Ratio Date 2025-10-30

Dividend Yield 0.04%

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Performance

YTD Return 0.24%

1-Year Return 7.42%

3-Year Return 3.76%

5-Year Return -0.24%

NAV $9.24

Previous Close Price $9.23

Last Update 2025-12-31

Dividend Information

Dividend Yield 0.04%

Dividend (ttm) 0.17

Dividend Growth -58.12%

Payout Frequency Annual

Ex-Dividend Date n/a

Ratings

Morning Star Rating -

Morning Star Risk Rating -

Morning Star Category -

Beta (5Y) 1.23

About Fidelity Flex U.S. Bond Index Fund

The fund normally invests at least 80% of assets in bonds included in the Bloomberg U.S. Aggregate Bond Index. The Bloomberg U.S. Aggregate Bond Index is a broad based, flagship benchmark that measures the investment grade, U.S. dollar-denominated, fixed-rate taxable bond market. The index includes Treasuries, government-related and corporate securities, mortgage-backed securities, asset-backed securities and collateralized mortgage-backed securities.

Detailed Metrics

Market Cap Distribution

AverageMarketCap %

Giant %

Large %

Medium %

Micro %

Small %

Value & Growth Metrics

Book-Value Growth % %

Cash-Flow Growth % %

Dividend Yield % %

Historical Earnings % %

Long-Term Earnings % %

Asset Allocation

Type	Net %	Long %	Short %	Category Average	benchmark
Bond	99.38%	99.38%	0.00%	102.37%	100.00%
Cash	0.61%	0.97%	0.36%	6.17%	0.00%
Non US Stock	0.00%	0.00%	0.00%	0.11%	0.00%
Not Classified	0.01%	0.01%	0.00%	0.32%	0.00%
Other	0.00%	0.00%	0.00%	1.67%	0.00%
US Stock	0.00%	0.00%	0.00%	0.14%	0.00%

Top Holdings

Name	Weight	Owned	Change
UNITED STATES TREASURY BOND 4.25% 02/15/2054	0.85%	-	-
UST NOTES 4.5% 04/15/2027	0.97%	-	-
UNITED STATES TREASURY BOND 4.5% 02/15/2044	0.76%	-	-
Fidelity Cash Central Fund	1.13%	-	-
UNITED STATES TREASURY BOND 4.75% 11/15/2043	0.67%	-	-
UST NOTES 4.125% 02/15/2027	0.63%	-	-
UST NOTES 4.5% 05/15/2027	0.70%	-	-
UST NOTES 4.375% 07/15/2027	0.61%	-	-
UST NOTES 4.125% 06/15/2026	0.77%	-	-
UST NOTES 4.5% 11/15/2033	0.56%	-	-
UST NOTES 4% 12/15/2027	1.03%	-	-
UST NOTES 3.875% 10/15/2027	0.81%	-	-
UST NOTES 3.375% 09/15/2027	0.83%	-	-
UST NOTES 4.125% 11/15/2027	0.76%	-	-
UNITED STATES TREASURY BOND 4.125% 08/15/2044	0.66%	-	-
UST NOTES 4.25% 02/15/2028	0.73%	-	-
UMBS 30YR 2% 06/01/2055 #TBA	0.78%	-	-
UST NOTES 3.75% 04/15/2028	0.66%	-	-
UST NOTES 3.75% 05/15/2028	1.13%	-	-
UNITED STATES TREASURY BOND 5% 05/15/2045	0.79%	-	-
UST NOTES 4.25% 05/15/2035	0.75%	-	-
UST NOTES 4% 04/30/2032	0.75%	-	-
UST NOTES 3.875% 06/15/2028	0.75%	-	-

See the full breakdown of FIBUX fund's asset allocation and top holdings .

Sector Weights

Category	Subcategory	Amount %	Category Avg	Stocks %	Benchmark
Bond Sector	Cash and Equivalents	0.00%	5.39%	0.96%	0.00%
Bond Sector	Corporate	0.00%	23.70%	25.42%	37.07%
Bond Sector	Derivative	0.00%	0.62%	0.00%	0.00%
Bond Sector	Government	0.00%	32.14%	48.26%	51.97%
Bond Sector	Municipal	0.00%	1.56%	0.28%	0.04%
Bond Sector	Securitized	0.00%	36.59%	25.08%	10.92%
Cyclical	Basic Materials	0.00%	0.00%	0.00%	0.00%
Cyclical	Consumer Cyclical	0.00%	0.00%	0.00%	0.00%
Cyclical	Financial Services	0.00%	0.00%	0.00%	0.00%
Cyclical	Real Estate	0.00%	0.00%	0.00%	0.00%
Defensive	Consumer Defensive	0.00%	0.00%	0.00%	0.00%
Defensive	Healthcare	0.00%	0.00%	0.00%	0.00%
Defensive	Utilities	0.00%	0.00%	0.00%	0.00%
Sensitive	Communication Services	0.00%	0.00%	0.00%	0.00%
Sensitive	Energy	0.00%	0.00%	0.00%	0.00%
Sensitive	Industrials	0.00%	0.00%	0.00%	0.00%
Sensitive	Technology	0.00%	0.00%	0.00%	0.00%

World Regions

Region	Subregion	Category Average	Stocks Percent	Benchmark
Americas	Latin America	0.12%	-	-
Americas	North America	56.18%	-	-
Greater Asia	Asia Developed	0.05%	-	-
Greater Asia	Asia Emerging	22.67%	-	-
Greater Asia	Australasia	0.01%	-	-
Greater Asia	Japan	-	-	-
Greater Europe	Africa/Middle East	0.02%	-	-
Greater Europe	Europe Developed	20.71%	-	-
Greater Europe	Europe Emerging	-	-	-
Greater Europe	United Kingdom	0.25%	-	-

Dividend History

Date	Amount	Unadjusted Amount	Currency	Declaration Date	Record Date	Payment Date	Period
2024-12-31	$0.029	$0.029	USD	-	-	-	-
2024-12-18	$0.003	$0.003	USD	-	-	-	-
2024-11-29	$0.028	$0.028	USD	-	-	-	-
2024-10-31	$0.028	$0.028	USD	-	2024-10-31	2024-11-01	Monthly
2024-09-30	$0.027	$0.027	USD	-	2024-09-30	2024-10-01	Monthly
2024-08-31	$0.028	$0.028	USD	-	2024-08-31	2024-09-03	Monthly
2024-07-31	$0.028	$0.028	USD	-	2024-07-31	2024-08-01	Monthly
2024-06-28	$0.027	$0.027	USD	-	2024-06-28	2024-07-01	Monthly
2024-05-31	$0.027	$0.027	USD	-	2024-05-31	2024-06-03	Monthly
2024-04-30	$0.026	$0.026	USD	-	2024-04-30	2024-05-01	Monthly
2024-03-31	$0.026	$0.026	USD	-	2024-03-31	2024-04-01	Monthly
2024-02-29	$0.025	$0.025	USD	-	2024-02-29	2024-03-01	Monthly
2024-01-31	$0.025	$0.025	USD	-	2024-01-31	2024-02-01	Monthly
2023-12-31	$0.025	$0.025	USD	-	2023-12-31	2024-01-02	Monthly
2023-11-30	$0.024	$0.024	USD	-	2023-11-30	2023-12-01	Monthly
2023-10-31	$0.024	$0.024	USD	-	2023-10-31	2023-11-01	Monthly
2023-09-29	$0.023	$0.023	USD	-	2023-09-29	2023-10-02	Monthly
2023-08-31	$0.023	$0.023	USD	-	2023-08-31	2023-09-01	Monthly
2023-07-31	$0.023	$0.023	USD	2023-07-31	2023-07-31	2023-08-01	Monthly
2023-06-30	$0.022	$0.022	USD	2023-06-30	2023-06-30	2023-07-03	Monthly
2023-05-31	$0.022	$0.022	USD	2023-05-31	2023-05-31	2023-06-01	Monthly
2023-04-30	$0.021	$0.021	USD	2023-04-30	2023-04-30	2023-05-01	Monthly
2023-03-31	$0.021	$0.021	USD	2023-03-31	2023-03-31	2023-04-03	Monthly
2023-02-28	$0.019	$0.019	USD	2023-02-28	2023-02-28	2023-03-01	Monthly
2023-01-31	$0.020	$0.020	USD	2023-01-31	2023-01-31	2023-02-01	Monthly
2022-12-31	$0.020	$0.020	USD	-	2022-12-31	2023-01-03	Monthly
2022-11-30	$0.018	$0.018	USD	-	2022-11-30	2022-12-01	Monthly
2022-10-31	$0.018	$0.018	USD	-	2022-10-31	2022-11-01	Monthly
2022-09-30	$0.017	$0.017	USD	-	2022-09-30	2022-10-03	Monthly
2022-08-31	$0.017	$0.017	USD	-	2022-08-31	2022-09-01	Monthly
2022-07-31	$0.016	$0.016	USD	-	2022-07-31	2022-08-01	Monthly
2022-06-30	$0.015	$0.015	USD	-	2022-06-30	2022-07-01	Monthly
2022-05-31	$0.015	$0.015	USD	-	2022-05-31	2022-06-01	Monthly
2022-04-30	$0.014	$0.014	USD	-	2022-04-30	2022-05-01	Monthly
2022-03-31	$0.014	$0.014	USD	-	2022-03-31	2022-04-01	Monthly
2022-02-28	$0.013	$0.013	USD	-	2022-02-28	2022-03-01	Monthly
2022-01-31	$0.016	$0.016	USD	-	2022-01-31	2022-02-01	Monthly
2021-12-31	$0.016	$0.016	USD	-	2021-12-31	2022-01-03	Monthly
2021-11-30	$0.013	$0.013	USD	-	2021-11-30	2021-12-01	Monthly
2021-10-29	$0.013	$0.013	USD	-	2021-10-29	2021-11-01	Monthly
2021-09-30	$0.012	$0.012	USD	-	2021-09-30	2021-10-01	Monthly
2021-08-31	$0.012	$0.012	USD	-	2021-08-31	2021-09-01	Monthly
2021-07-30	$0.012	$0.012	USD	-	2021-07-30	2021-08-02	Monthly
2021-06-30	$0.011	$0.011	USD	-	2021-06-30	2021-07-01	Monthly
2021-05-28	$0.011	$0.011	USD	-	2021-05-28	2021-06-01	Monthly
2021-04-30	$0.012	$0.012	USD	-	2021-04-30	2021-05-03	Monthly
2021-03-31	$0.013	$0.013	USD	-	2021-03-31	2021-04-01	Monthly
2021-02-26	$0.012	$0.012	USD	-	2021-02-26	2021-03-01	Monthly
2021-01-29	$0.017	$0.017	USD	-	2021-01-29	2021-02-01	Monthly
2020-12-31	$0.016	$0.016	USD	-	2020-12-31	2021-01-04	Monthly
2020-11-30	$0.014	$0.014	USD	-	2020-11-30	2020-12-01	Monthly
2020-10-30	$0.016	$0.016	USD	-	2020-10-30	2020-11-02	Monthly
2020-09-30	$0.016	$0.016	USD	-	2020-09-30	2020-10-01	Monthly
2020-08-31	$0.017	$0.017	USD	-	2020-08-31	2020-09-01	Monthly
2020-07-31	$0.018	$0.018	USD	-	2020-07-31	2020-08-03	Monthly
2020-06-30	$0.018	$0.018	USD	-	2020-06-30	2020-07-01	Monthly
2020-05-29	$0.020	$0.020	USD	-	2020-05-29	2020-06-01	Monthly
2020-04-30	$0.021	$0.021	USD	-	2020-04-30	2020-05-01	Monthly
2020-03-31	$0.022	$0.022	USD	-	2020-03-31	2020-04-01	Monthly
2020-02-28	$0.021	$0.021	USD	-	2020-02-28	2020-03-02	Monthly
2020-01-31	$0.024	$0.024	USD	-	2020-01-31	2020-02-03	Monthly
2019-12-31	$0.024	$0.024	USD	-	2019-12-31	2020-01-02	Monthly
2019-12-26	$0.003	$0.003	USD	-	-	-	-
2019-11-29	$0.022	$0.022	USD	-	2019-11-29	2019-12-02	Monthly
2019-10-31	$0.023	$0.023	USD	-	2019-10-31	2019-11-01	Monthly
2019-09-30	$0.023	$0.023	USD	-	2019-09-30	2019-10-01	Monthly
2019-08-30	$0.024	$0.024	USD	2019-09-03	2019-08-30	2019-09-03	Monthly
2019-07-31	$0.024	$0.024	USD	-	2019-07-31	2019-08-01	Monthly
2019-06-28	$0.024	$0.024	USD	-	2019-06-28	2019-07-01	Monthly
2019-05-31	$0.025	$0.025	USD	2019-06-03	2019-05-31	2019-06-03	Monthly
2019-04-30	$0.024	$0.024	USD	2019-05-01	2019-04-30	2019-05-01	Monthly
2019-03-29	$0.025	$0.025	USD	2019-04-01	2019-03-29	2019-04-01	Monthly
2019-02-28	$0.023	$0.023	USD	2019-03-01	2019-02-28	2019-03-01	Monthly
2019-01-31	$0.024	$0.024	USD	2019-02-01	2019-01-31	2019-02-01	Monthly
2018-12-31	$0.024	$0.024	USD	2019-01-02	2018-12-31	2019-01-02	Monthly
2018-11-30	$0.023	$0.023	USD	2018-12-03	2018-11-30	2018-12-03	Monthly
2018-10-31	$0.023	$0.023	USD	2018-11-02	2018-10-31	2018-11-01	Monthly
2018-09-28	$0.022	$0.022	USD	-	-	-	-
2018-08-31	$0.023	$0.023	USD	2018-09-01	2018-08-31	2018-09-04	Monthly
2018-07-31	$0.023	$0.023	USD	2018-08-01	2018-07-31	2018-08-01	Monthly
2018-06-30	$0.022	$0.022	USD	2018-07-02	2018-06-30	2018-07-02	Monthly
2018-05-31	$0.022	$0.022	USD	2018-06-02	2018-05-31	2018-06-01	Monthly
2018-04-30	$0.021	$0.021	USD	-	-	-	-
2018-03-29	$0.022	$0.022	USD	-	-	-	-
2018-02-28	$0.020	$0.020	USD	-	-	-	-
2018-01-31	$0.023	$0.023	USD	-	-	-	-
2017-12-29	$0.022	$0.022	USD	-	-	-	-
2017-11-30	$0.020	$0.020	USD	-	-	-	-
2017-10-31	$0.021	$0.021	USD	-	-	-	-
2017-09-29	$0.020	$0.020	USD	-	-	-	-
2017-08-31	$0.021	$0.021	USD	-	-	-	-
2017-07-31	$0.020	$0.020	USD	-	-	-	-
2017-06-30	$0.019	$0.019	USD	-	-	-	-
2017-05-31	$0.019	$0.019	USD	-	-	-	-
2017-04-28	$0.017	$0.017	USD	-	-	-	-

Fidelity Flex U.S. Bond Index Fund NMFQS:FIBUX