Fund profile
Tickers
IUSB
Fund manager
Total assets
$30.49 bn
Liabilities
$1.27 bn
Net assets
$29.23 bn
Number of holdings
16.32 k
IUSB stock data
Top 200 of 16321 Holdings
Security | $Holding | Balance | % of Fund | Category | Position | Country |
---|---|---|---|---|---|---|
TempCash, Institutional Class | 1.18 bn | 1.18 bn shares | 4.05 | Short-term investment vehicle | Long | USA |
BlackRock Cash Funds: Treasury, SL Agency Shares | 184.43 mm | 184.43 mm shares | 0.63 | Short-term investment vehicle | Long | USA |
U.S. Treasury Notes | 160.52 mm | 161.10 mm principal | 0.55 | Debt | Long | USA |
U.S. Treasury Notes | 150.49 mm | 150.97 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 129.77 mm | 125.44 mm principal | 0.44 | Debt | Long | USA |
U.S. Treasury Notes | 126.02 mm | 125.68 mm principal | 0.43 | Debt | Long | USA |
U.S. Treasury Notes | 122.90 mm | 137.40 mm principal | 0.42 | Debt | Long | USA |
U.S. Treasury Notes | 120.34 mm | 121.92 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 120.25 mm | 127.80 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 118.59 mm | 124.66 mm principal | 0.41 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 95.69 mm | 114.13 mm principal | 0.33 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 94.23 mm | 94.87 mm principal | 0.32 | Debt | Long | USA |
U.S. Treasury Notes | 93.18 mm | 96.89 mm principal | 0.32 | Debt | Long | USA |
U.S. Treasury Notes | 91.37 mm | 105.90 mm principal | 0.31 | Debt | Long | USA |
U.S. Treasury Notes | 88.89 mm | 89.23 mm principal | 0.30 | Debt | Long | USA |
U.S. Treasury Notes | 85.16 mm | 101.85 mm principal | 0.29 | Debt | Long | USA |
U.S. Treasury Notes | 85.07 mm | 84.41 mm principal | 0.29 | Debt | Long | USA |
U.S. Treasury Notes | 83.21 mm | 88.50 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 83.04 mm | 88.54 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 81.66 mm | 81.99 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 81.12 mm | 80.00 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 80.92 mm | 81.20 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 79.30 mm | 78.70 mm principal | 0.27 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 78.37 mm | 97.23 mm principal | 0.27 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 77.61 mm | 77.45 mm principal | 0.27 | Debt | Long | USA |
U.S. Treasury Notes | 76.69 mm | 74.49 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Notes | 76.29 mm | 75.98 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Bonds | 75.83 mm | 81.50 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Notes | 74.70 mm | 73.73 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Notes | 74.54 mm | 72.66 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Bonds | 74.46 mm | 116.60 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 74.31 mm | 82.90 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 74.02 mm | 73.70 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Bonds | 73.40 mm | 68.76 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 72.64 mm | 79.50 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 72.31 mm | 72.36 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 72.05 mm | 79.80 mm principal | 0.25 | Debt | Long | USA |
U.S. Treasury Notes | 72.00 mm | 72.90 mm principal | 0.25 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 71.37 mm | 88.44 mm principal | 0.24 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 70.81 mm | 71.99 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 70.50 mm | 69.85 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 70.07 mm | 81.31 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 69.38 mm | 69.23 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 69.01 mm | 74.60 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 68.75 mm | 68.17 mm principal | 0.24 | Debt | Long | USA |
U.S. Treasury Notes | 67.20 mm | 66.10 mm principal | 0.23 | Debt | Long | USA |
U.S. Treasury Notes | 66.25 mm | 64.63 mm principal | 0.23 | Debt | Long | USA |
U.S. Treasury Bonds | 66.11 mm | 68.74 mm principal | 0.23 | Debt | Long | USA |
U.S. Treasury Notes | 65.49 mm | 72.40 mm principal | 0.22 | Debt | Long | USA |
U.S. Treasury Notes | 64.37 mm | 71.40 mm principal | 0.22 | Debt | Long | USA |
U.S. Treasury Bonds | 62.46 mm | 59.80 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 62.12 mm | 61.64 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 60.59 mm | 60.36 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 60.55 mm | 60.35 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 60.41 mm | 60.91 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 60.35 mm | 59.77 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 60.17 mm | 60.80 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 59.90 mm | 59.70 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 59.87 mm | 63.25 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 59.75 mm | 57.51 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 58.35 mm | 57.75 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 57.67 mm | 56.81 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Bonds | 57.44 mm | 57.72 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 56.94 mm | 55.00 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 56.89 mm | 56.77 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Bonds | 56.78 mm | 56.21 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 56.77 mm | 55.40 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Bonds | 56.74 mm | 64.57 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 56.31 mm | 58.50 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 55.78 mm | 56.50 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 55.39 mm | 54.15 mm principal | 0.19 | Debt | Long | USA |
U.S. Treasury Notes | 53.95 mm | 64.70 mm principal | 0.18 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 53.91 mm | 58.65 mm principal | 0.18 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 53.37 mm | 57.24 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Notes | 52.93 mm | 53.40 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Notes | 52.49 mm | 52.21 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Notes | 52.08 mm | 52.97 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Notes | 51.69 mm | 57.00 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Notes | 51.43 mm | 54.50 mm principal | 0.18 | Debt | Long | USA |
U.S. Treasury Bonds | 50.58 mm | 48.29 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 50.46 mm | 54.00 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 50.26 mm | 50.23 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 49.99 mm | 53.70 mm principal | 0.17 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 49.96 mm | 55.72 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 49.92 mm | 53.27 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 49.86 mm | 56.76 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 49.66 mm | 51.70 mm principal | 0.17 | Debt | Long | USA |
Federal Home Loan Mortgage Corp. Multifamily Structured Pass-Through Certificates, Series K-154, Class A2 | 49.59 mm | 50.00 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 49.43 mm | 48.70 mm principal | 0.17 | Debt | Long | USA |
Government National Mortgage Association | 48.92 mm | 56.85 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 48.77 mm | 52.00 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 48.58 mm | 50.70 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 48.57 mm | 47.74 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 48.51 mm | 49.80 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 48.51 mm | 46.68 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 48.40 mm | 52.00 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 47.85 mm | 57.00 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 47.60 mm | 47.48 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 47.18 mm | 50.50 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 46.83 mm | 46.39 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Bonds | 46.75 mm | 77.90 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 46.74 mm | 45.97 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 46.64 mm | 47.70 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 46.35 mm | 46.94 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 46.25 mm | 47.06 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 45.88 mm | 46.03 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 45.69 mm | 47.65 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 45.53 mm | 54.83 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Bonds | 45.29 mm | 75.00 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 45.19 mm | 43.04 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Bonds | 44.67 mm | 59.00 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 44.45 mm | 44.60 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 44.43 mm | 44.59 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 44.28 mm | 43.89 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 44.24 mm | 46.65 mm principal | 0.15 | Debt | Long | USA |
Government National Mortgage Association | 44.23 mm | 48.11 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 44.12 mm | 46.92 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 43.98 mm | 52.50 mm principal | 0.15 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 43.76 mm | 53.94 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 43.74 mm | 46.50 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 43.63 mm | 42.12 mm principal | 0.15 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 43.36 mm | 53.71 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 43.27 mm | 61.05 mm principal | 0.15 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 43.12 mm | 43.05 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 43.00 mm | 44.20 mm principal | 0.15 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 42.90 mm | 49.12 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 42.80 mm | 42.20 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 42.53 mm | 43.05 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 41.78 mm | 43.50 mm principal | 0.14 | Debt | Long | USA |
U.S. Treasury Notes | 41.72 mm | 41.63 mm principal | 0.14 | Debt | Long | USA |
Government National Mortgage Association | 41.51 mm | 49.96 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 41.47 mm | 47.50 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 41.36 mm | 51.12 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 41.33 mm | 41.34 mm principal | 0.14 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 41.12 mm | 47.13 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 40.74 mm | 45.10 mm principal | 0.14 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 40.43 mm | 48.18 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 40.18 mm | 42.40 mm principal | 0.14 | Debt | Long | USA |
U.S. Treasury Bonds | 40.13 mm | 64.70 mm principal | 0.14 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 39.95 mm | 49.64 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 39.95 mm | 60.63 mm principal | 0.14 | Debt | Long | USA |
U.S. Treasury Bonds | 39.71 mm | 53.85 mm principal | 0.14 | Debt | Long | USA |
U.S. Treasury Notes | 39.47 mm | 39.91 mm principal | 0.14 | Debt | Long | USA |
Government National Mortgage Association | 39.38 mm | 47.45 mm principal | 0.13 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 38.78 mm | 43.40 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Notes | 38.74 mm | 43.40 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Notes | 38.45 mm | 40.00 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Bonds | 38.41 mm | 55.70 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Notes | 38.09 mm | 38.70 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Bonds | 37.75 mm | 55.50 mm principal | 0.13 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 37.65 mm | 46.61 mm principal | 0.13 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 37.64 mm | 38.05 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Notes | 37.32 mm | 37.26 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Bonds | 37.31 mm | 48.00 mm principal | 0.13 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 37.17 mm | 44.17 mm principal | 0.13 | ABS-mortgage backed security | Long | USA |
Government National Mortgage Association | 37.14 mm | 41.62 mm principal | 0.13 | ABS-mortgage backed security | Long | USA |
Government National Mortgage Association | 36.77 mm | 37.18 mm principal | 0.13 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 36.72 mm | 37.60 mm principal | 0.13 | Debt | Long | USA |
U.S. Treasury Notes | 36.47 mm | 38.25 mm principal | 0.12 | Debt | Long | USA |
Government National Mortgage Association | 36.32 mm | 38.46 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 36.25 mm | 36.87 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 36.17 mm | 35.86 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Bonds | 36.12 mm | 46.00 mm principal | 0.12 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 36.09 mm | 37.47 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 35.86 mm | 37.00 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 35.47 mm | 39.58 mm principal | 0.12 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 34.97 mm | 39.74 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 34.94 mm | 37.50 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 34.83 mm | 39.10 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 34.77 mm | 37.00 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 34.75 mm | 37.30 mm principal | 0.12 | Debt | Long | USA |
Government National Mortgage Association | 34.58 mm | 38.73 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 34.52 mm | 36.90 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Bonds | 34.50 mm | 47.34 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 34.45 mm | 38.50 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 34.43 mm | 36.05 mm principal | 0.12 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 34.17 mm | 33.33 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 34.16 mm | 35.10 mm principal | 0.12 | Debt | Long | USA |
U.S. Treasury Notes | 33.97 mm | 35.45 mm principal | 0.12 | Debt | Long | USA |
Uniform Mortgage-Backed Securities | 33.40 mm | 41.21 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 32.92 mm | 36.60 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 32.91 mm | 40.00 mm principal | 0.11 | Debt | Long | USA |
Government National Mortgage Association | 32.90 mm | 39.63 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 32.74 mm | 32.88 mm principal | 0.11 | Debt | Long | USA |
Government National Mortgage Association | 32.40 mm | 37.62 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
Uniform Mortgage-Backed Securities | 32.36 mm | 40.11 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Bonds | 32.03 mm | 42.00 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Bonds | 31.30 mm | 45.70 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 31.20 mm | 33.00 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 31.13 mm | 34.40 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Bonds | 31.10 mm | 30.28 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 31.08 mm | 32.60 mm principal | 0.11 | Debt | Long | USA |
Government National Mortgage Association | 31.03 mm | 36.00 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 30.99 mm | 34.60 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 30.86 mm | 31.00 mm principal | 0.11 | Debt | Long | USA |
Government National Mortgage Association | 30.83 mm | 35.74 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 30.51 mm | 30.90 mm principal | 0.10 | Debt | Long | USA |
U.S. Treasury Notes | 30.35 mm | 31.85 mm principal | 0.10 | Debt | Long | USA |
U.S. Treasury Bonds | 30.28 mm | 39.05 mm principal | 0.10 | Debt | Long | USA |
U.S. Treasury Notes | 30.18 mm | 32.35 mm principal | 0.10 | Debt | Long | USA |