The investment seeks to track the performance of a market-weighted bond index with an intermediate-term dollar-weighted average maturity. The fund invests by sampling the index. It invests at least 80% of assets in bonds held in the index. The fund maintains a dollar-weighted average maturity consistent with that of the index ranging between 5 and 10 years.
Fund filings (PDF) »

Asset managers:
Joshua Barrickman (Started: Apr 24, 2008)
Kenneth Volpert (Started: Mar 1, 1994)

Advisor Company:
The Vanguard Group, Inc.
Fund family reports on Morningstar »

	1 year	3 years	5 years	10 years
Alpha*	-3.01	0.09	-0.94	-0.95
Beta*	1.65	1.01	1.53	1.46
Mean annual return	1.54	0.57	0.43	0.56
R-squared*	97.89	99.43	96.44	95.58
Standard deviation	7.63	6.64	5.71	5.66
Sharpe ratio	2.39	0.66	0.37	0.68
* Against standard index

Risk measurement details »

Security	Net Assets
US Treasury Note 3.125%	2.72%
US Treasury Note	2.54%
US Treasury Note	2.39%
US Treasury Note 3.5%	2.29%
US Treasury Note	2.02%
US Treasury Note 4.625%	1.97%
US Treasury Note 4%	1.57%
US Treasury Bond 7.5%	1.54%
US Treasury Bond 8.75%	1.51%
US Treasury Note 4.75%	1.45%

Holdings Performance »