Fund profile
Tickers
ISTB
Fund manager
Total assets
$4.20 bn
Liabilities
$41.66 mm
Net assets
$4.16 bn
Number of holdings
6.06 k
ISTB stock data
Top 200 of 6059 Holdings
Security | $Holding | Balance | % of Fund | Category | Position | Country |
---|---|---|---|---|---|---|
U.S. Treasury Notes | 56.97 mm | 55.58 mm principal | 1.37 | Debt | Long | USA |
U.S. Treasury Notes | 41.41 mm | 40.84 mm principal | 1.00 | Debt | Long | USA |
U.S. Treasury Notes | 36.71 mm | 37.30 mm principal | 0.88 | Debt | Long | USA |
BlackRock Cash Funds: Treasury, SL Agency Shares | 34.98 mm | 34.96 mm shares | 0.84 | Short-term investment vehicle | Long | USA |
U.S. Treasury Notes | 33.16 mm | 33.20 mm principal | 0.80 | Debt | Long | USA |
U.S. Treasury Notes | 31.47 mm | 31.60 mm principal | 0.76 | Debt | Long | USA |
U.S. Treasury Notes | 31.06 mm | 31.07 mm principal | 0.75 | Debt | Long | USA |
U.S. Treasury Notes | 30.68 mm | 31.20 mm principal | 0.74 | Debt | Long | USA |
U.S. Treasury Notes | 30.23 mm | 30.00 mm principal | 0.73 | Debt | Long | USA |
U.S. Treasury Notes | 28.79 mm | 30.70 mm principal | 0.69 | Debt | Long | USA |
U.S. Treasury Notes | 28.15 mm | 27.78 mm principal | 0.68 | Debt | Long | USA |
U.S. Treasury Notes | 28.05 mm | 28.28 mm principal | 0.67 | Debt | Long | USA |
U.S. Treasury Notes | 28.04 mm | 28.18 mm principal | 0.67 | Debt | Long | USA |
U.S. Treasury Notes | 27.85 mm | 29.00 mm principal | 0.67 | Debt | Long | USA |
U.S. Treasury Notes | 27.30 mm | 30.00 mm principal | 0.66 | Debt | Long | USA |
U.S. Treasury Notes | 26.07 mm | 26.00 mm principal | 0.63 | Debt | Long | USA |
U.S. Treasury Notes | 24.64 mm | 24.24 mm principal | 0.59 | Debt | Long | USA |
U.S. Treasury Notes | 24.56 mm | 23.72 mm principal | 0.59 | Debt | Long | USA |
U.S. Treasury Notes | 24.42 mm | 24.90 mm principal | 0.59 | Debt | Long | USA |
U.S. Treasury Notes | 24.41 mm | 23.82 mm principal | 0.59 | Debt | Long | USA |
U.S. Treasury Notes | 24.33 mm | 25.00 mm principal | 0.58 | Debt | Long | USA |
U.S. Treasury Notes | 24.06 mm | 24.00 mm principal | 0.58 | Debt | Long | USA |
U.S. Treasury Notes | 24.01 mm | 25.00 mm principal | 0.58 | Debt | Long | USA |
U.S. Treasury Notes | 23.93 mm | 23.88 mm principal | 0.58 | Debt | Long | USA |
U.S. Treasury Notes | 23.89 mm | 23.76 mm principal | 0.57 | Debt | Long | USA |
U.S. Treasury Notes | 22.65 mm | 23.05 mm principal | 0.54 | Debt | Long | USA |
U.S. Treasury Notes | 22.62 mm | 22.28 mm principal | 0.54 | Debt | Long | USA |
U.S. Treasury Notes | 21.51 mm | 24.00 mm principal | 0.52 | Debt | Long | USA |
U.S. Treasury Notes | 21.35 mm | 21.26 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 21.30 mm | 22.30 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 21.29 mm | 23.80 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 21.27 mm | 22.00 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 21.09 mm | 22.00 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 21.04 mm | 21.80 mm principal | 0.51 | Debt | Long | USA |
U.S. Treasury Notes | 20.93 mm | 21.20 mm principal | 0.50 | Debt | Long | USA |
U.S. Treasury Notes | 20.73 mm | 21.00 mm principal | 0.50 | Debt | Long | USA |
U.S. Treasury Notes | 20.65 mm | 21.44 mm principal | 0.50 | Debt | Long | USA |
U.S. Treasury Notes | 20.63 mm | 23.10 mm principal | 0.50 | Debt | Long | USA |
U.S. Treasury Notes | 20.48 mm | 21.45 mm principal | 0.49 | Debt | Long | USA |
U.S. Treasury Notes | 19.75 mm | 20.90 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.67 mm | 19.76 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.63 mm | 20.00 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.61 mm | 20.70 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.56 mm | 20.00 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.55 mm | 19.80 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.37 mm | 19.44 mm principal | 0.47 | Debt | Long | USA |
U.S. Treasury Notes | 19.30 mm | 20.35 mm principal | 0.46 | Debt | Long | USA |
U.S. Treasury Notes | 19.16 mm | 20.00 mm principal | 0.46 | Debt | Long | USA |
U.S. Treasury Notes | 18.93 mm | 19.00 mm principal | 0.46 | Debt | Long | USA |
U.S. Treasury Notes | 18.91 mm | 20.00 mm principal | 0.45 | Debt | Long | USA |
U.S. Treasury Notes | 18.66 mm | 20.00 mm principal | 0.45 | Debt | Long | USA |
U.S. Treasury Notes | 18.15 mm | 19.50 mm principal | 0.44 | Debt | Long | USA |
U.S. Treasury Notes | 18.14 mm | 20.00 mm principal | 0.44 | Debt | Long | USA |
U.S. Treasury Notes | 18.09 mm | 20.00 mm principal | 0.43 | Debt | Long | USA |
U.S. Treasury Notes | 17.94 mm | 19.18 mm principal | 0.43 | Debt | Long | USA |
U.S. Treasury Notes | 17.87 mm | 19.00 mm principal | 0.43 | Debt | Long | USA |
BlackRock Cash Funds: Treasury, SL Agency Shares | 17.68 mm | 17.68 mm shares | 0.42 | Short-term investment vehicle | Long | USA |
U.S. Treasury Notes | 17.57 mm | 18.80 mm principal | 0.42 | Debt | Long | USA |
U.S. Treasury Notes | 17.37 mm | 17.30 mm principal | 0.42 | Debt | Long | USA |
U.S. Treasury Notes | 17.18 mm | 17.30 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 17.16 mm | 18.00 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 17.14 mm | 18.28 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 16.98 mm | 19.00 mm principal | 0.41 | Debt | Long | USA |
U.S. Treasury Notes | 16.77 mm | 17.60 mm principal | 0.40 | Debt | Long | USA |
U.S. Treasury Notes | 16.69 mm | 17.80 mm principal | 0.40 | Debt | Long | USA |
U.S. Treasury Notes | 16.51 mm | 17.55 mm principal | 0.40 | Debt | Long | USA |
U.S. Treasury Notes | 16.46 mm | 17.67 mm principal | 0.40 | Debt | Long | USA |
U.S. Treasury Notes | 16.35 mm | 16.80 mm principal | 0.39 | Debt | Long | USA |
U.S. Treasury Notes | 16.34 mm | 18.00 mm principal | 0.39 | Debt | Long | USA |
U.S. Treasury Notes | 16.29 mm | 17.00 mm principal | 0.39 | Debt | Long | USA |
U.S. Treasury Notes | 16.01 mm | 16.00 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.93 mm | 16.40 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.75 mm | 16.46 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.68 mm | 16.85 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.67 mm | 16.00 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.65 mm | 16.75 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.64 mm | 15.90 mm principal | 0.38 | Debt | Long | USA |
U.S. Treasury Notes | 15.57 mm | 15.50 mm principal | 0.37 | Debt | Long | USA |
U.S. Treasury Notes | 15.44 mm | 15.00 mm principal | 0.37 | Debt | Long | USA |
U.S. Treasury Notes | 15.25 mm | 17.10 mm principal | 0.37 | Debt | Long | USA |
U.S. Treasury Notes | 15.22 mm | 15.22 mm principal | 0.37 | Debt | Long | USA |
U.S. Treasury Notes | 15.07 mm | 16.00 mm principal | 0.36 | Debt | Long | USA |
U.S. Treasury Notes | 14.20 mm | 15.00 mm principal | 0.34 | Debt | Long | USA |
U.S. Treasury Notes | 13.97 mm | 14.70 mm principal | 0.34 | Debt | Long | USA |
U.S. Treasury Notes | 13.88 mm | 14.00 mm principal | 0.33 | Debt | Long | USA |
U.S. Treasury Notes | 13.73 mm | 13.74 mm principal | 0.33 | Debt | Long | USA |
U.S. Treasury Notes | 13.36 mm | 15.00 mm principal | 0.32 | Debt | Long | USA |
U.S. Treasury Notes | 13.25 mm | 14.00 mm principal | 0.32 | Debt | Long | USA |
U.S. Treasury Notes | 13.21 mm | 13.25 mm principal | 0.32 | Debt | Long | USA |
U.S. Treasury Notes | 12.89 mm | 13.72 mm principal | 0.31 | Debt | Long | USA |
U.S. Treasury Notes | 12.67 mm | 14.00 mm principal | 0.30 | Debt | Long | USA |
Federal National Mortgage Association | 12.52 mm | 13.00 mm principal | 0.30 | Debt | Long | USA |
U.S. Treasury Notes | 11.92 mm | 12.00 mm principal | 0.29 | Debt | Long | USA |
U.S. Treasury Notes | 11.81 mm | 12.50 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 11.44 mm | 12.00 mm principal | 0.28 | Debt | Long | USA |
U.S. Treasury Notes | 10.83 mm | 12.00 mm principal | 0.26 | Debt | Long | USA |
U.S. Treasury Notes | 10.50 mm | 10.46 mm principal | 0.25 | Debt | Long | USA |
Freddie Mac Multifamily Structured Pass Through Certificates | 10.09 mm | 10.00 mm principal | 0.24 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 9.52 mm | 10.60 mm principal | 0.23 | Debt | Long | USA |
U.S. Treasury Notes | 9.45 mm | 10.00 mm principal | 0.23 | Debt | Long | USA |
U.S. Treasury Notes | 9.00 mm | 10.00 mm principal | 0.22 | Debt | Long | USA |
U.S. Treasury Notes | 8.96 mm | 10.00 mm principal | 0.22 | Debt | Long | USA |
U.S. Treasury Notes | 8.64 mm | 9.57 mm principal | 0.21 | Debt | Long | USA |
U.S. Treasury Notes | 8.35 mm | 8.86 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 8.27 mm | 8.50 mm principal | 0.20 | Debt | Long | USA |
U.S. Treasury Notes | 7.86 mm | 8.00 mm principal | 0.19 | Debt | Long | USA |
Freddie Mac Pool | 7.73 mm | 8.40 mm principal | 0.19 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 7.62 mm | 8.40 mm principal | 0.18 | ABS-mortgage backed security | Long | USA |
Fannie Mae Pool | 7.22 mm | 8.27 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
Benchmark 2023-B38 Mortgage Trust | 7.11 mm | 7.00 mm principal | 0.17 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 7.07 mm | 7.01 mm principal | 0.17 | Debt | Long | USA |
U.S. Treasury Notes | 6.79 mm | 7.20 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 6.77 mm | 6.72 mm principal | 0.16 | Debt | Long | USA |
Freddie Mac Pool | 6.77 mm | 7.49 mm principal | 0.16 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 6.57 mm | 6.51 mm principal | 0.16 | Debt | Long | USA |
U.S. Treasury Notes | 6.42 mm | 6.40 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 6.24 mm | 6.19 mm principal | 0.15 | Debt | Long | USA |
Freddie Mac Gold Pool | 6.18 mm | 6.36 mm principal | 0.15 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 6.05 mm | 6.11 mm principal | 0.15 | Debt | Long | USA |
U.S. Treasury Notes | 5.93 mm | 6.40 mm principal | 0.14 | Debt | Long | USA |
Freddie Mac Multifamily Structured Pass Through Certificates | 5.92 mm | 5.72 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 5.91 mm | 6.77 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 5.89 mm | 6.00 mm principal | 0.14 | Debt | Long | USA |
International Bank for Reconstruction & Development | 5.85 mm | 6.11 mm principal | 0.14 | Debt | Long | XX |
Freddie Mac Pool | 5.72 mm | 6.36 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 5.66 mm | 6.23 mm principal | 0.14 | ABS-mortgage backed security | Long | USA |
COMM 2016-COR1 Mortgage Trust | 5.18 mm | 5.44 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 5.14 mm | 5.53 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 5.06 mm | 5.60 mm principal | 0.12 | Debt | Long | USA |
Wells Fargo Commercial Mortgage Trust 2016-NXS5 | 4.86 mm | 5.00 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
Freddie Mac Multifamily Structured Pass Through Certificates | 4.80 mm | 4.94 mm principal | 0.12 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 4.79 mm | 4.90 mm principal | 0.12 | Debt | Long | USA |
Wells Fargo Commercial Mortgage Trust 2017-C39 | 4.74 mm | 5.00 mm principal | 0.11 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 4.57 mm | 5.00 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 4.56 mm | 4.52 mm principal | 0.11 | Debt | Long | USA |
U.S. Treasury Notes | 4.06 mm | 4.50 mm principal | 0.10 | Debt | Long | USA |
Verizon Master Trust | 4.02 mm | 4.00 mm principal | 0.10 | ABS-other | Long | USA |
Freddie Mac Pool | 4.02 mm | 4.48 mm principal | 0.10 | ABS-mortgage backed security | Long | USA |
Synchrony Card Funding LLC | 3.94 mm | 3.89 mm principal | 0.09 | ABS-other | Long | USA |
Caisse d'Amortissement de la Dette Sociale | 3.90 mm | 3.97 mm principal | 0.09 | Debt | Long | France |
U.S. Treasury Notes | 3.88 mm | 4.00 mm principal | 0.09 | Debt | Long | USA |
U.S. Treasury Notes | 3.86 mm | 4.00 mm principal | 0.09 | Debt | Long | USA |
U.S. Treasury Notes | 3.81 mm | 3.80 mm principal | 0.09 | Debt | Long | USA |
Freddie Mac Pool | 3.77 mm | 4.19 mm principal | 0.09 | ABS-mortgage backed security | Long | USA |
European Investment Bank | 3.69 mm | 3.71 mm principal | 0.09 | Debt | Long | XX |
Fannie Mae-Aces | 3.56 mm | 3.68 mm principal | 0.09 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 3.54 mm | 3.50 mm principal | 0.09 | Debt | Long | USA |
Freddie Mac Pool | 3.52 mm | 3.71 mm principal | 0.08 | ABS-mortgage backed security | Long | USA |
Kreditanstalt fuer Wiederaufbau | 3.49 mm | 3.70 mm principal | 0.08 | Debt | Long | Germany |
Inter-American Development Bank | 3.46 mm | 3.47 mm principal | 0.08 | Debt | Long | XX |
Asian Development Bank | 3.40 mm | 3.61 mm principal | 0.08 | Debt | Long | XX |
Kreditanstalt fuer Wiederaufbau | 3.27 mm | 3.41 mm principal | 0.08 | Debt | Long | Germany |
UBS Commercial Mortgage Trust 2018-C14 | 3.25 mm | 3.29 mm principal | 0.08 | ABS-mortgage backed security | Long | USA |
Freddie Mac Multifamily Structured Pass Through Certificates | 3.24 mm | 3.11 mm principal | 0.08 | ABS-mortgage backed security | Long | USA |
International Bank for Reconstruction & Development | 3.15 mm | 3.24 mm principal | 0.08 | Debt | Long | XX |
Uniform Mortgage-Backed Security, TBA | 3.13 mm | 3.20 mm principal | 0.08 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 3.08 mm | 3.40 mm principal | 0.07 | ABS-mortgage backed security | Long | USA |
GM Financial Consumer Automobile Receivables Trust 2023-1 | 3.08 mm | 3.09 mm principal | 0.07 | ABS-other | Long | USA |
Kreditanstalt fuer Wiederaufbau | 3.02 mm | 3.05 mm principal | 0.07 | Debt | Long | Germany |
GM Financial Automobile Leasing Trust 2023-1 | 3.00 mm | 3.00 mm principal | 0.07 | ABS-other | Long | USA |
Freddie Mac Pool | 3.00 mm | 3.31 mm principal | 0.07 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 2.95 mm | 3.05 mm principal | 0.07 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 2.94 mm | 3.37 mm principal | 0.07 | ABS-mortgage backed security | Long | USA |
Morgan Stanley Bank of America Merrill Lynch Trust 2016-C31 | 2.90 mm | 3.08 mm principal | 0.07 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 2.70 mm | 2.99 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
Industrial & Commercial Bank of China Ltd | 2.69 mm | 2.80 mm principal | 0.06 | Debt | Long | China |
Freddie Mac Pool | 2.68 mm | 2.83 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
U.S. Treasury Notes | 2.66 mm | 2.65 mm principal | 0.06 | Debt | Long | USA |
U.S. Treasury Notes | 2.63 mm | 2.62 mm principal | 0.06 | Debt | Long | USA |
U.S. Treasury Notes | 2.56 mm | 2.56 mm principal | 0.06 | Debt | Long | USA |
International Bank for Reconstruction & Development | 2.53 mm | 2.66 mm principal | 0.06 | Debt | Long | XX |
Freddie Mac Pool | 2.51 mm | 2.76 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
Inter-American Development Bank | 2.49 mm | 2.65 mm principal | 0.06 | Debt | Long | XX |
European Investment Bank | 2.42 mm | 2.43 mm principal | 0.06 | Debt | Long | XX |
Fannie Mae Pool | 2.38 mm | 2.58 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
Fannie Mae Pool | 2.32 mm | 2.57 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
Isdb Trust Services NO 2 SARL | 2.31 mm | 2.30 mm principal | 0.06 | Debt | Long | Luxembourg |
GS Mortgage Securities Trust 2017-GS7 | 2.30 mm | 2.36 mm principal | 0.06 | ABS-mortgage backed security | Long | USA |
International Bank for Reconstruction & Development | 2.30 mm | 2.35 mm principal | 0.06 | Debt | Long | XX |
Export Development Canada | 2.29 mm | 2.31 mm principal | 0.06 | Debt | Long | Canada |
World Omni Auto Receivables Trust 2024-A | 2.26 mm | 2.25 mm principal | 0.05 | ABS-other | Long | USA |
International Bank for Reconstruction & Development | 2.22 mm | 2.27 mm principal | 0.05 | Debt | Long | XX |
Bank of America Corp | 2.19 mm | 2.34 mm principal | 0.05 | Debt | Long | USA |
Fannie Mae Pool | 2.18 mm | 2.43 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Ford Credit Auto Owner Trust 2024-A | 2.11 mm | 2.10 mm principal | 0.05 | ABS-other | Long | USA |
Asian Development Bank | 2.10 mm | 2.12 mm principal | 0.05 | Debt | Long | XX |
Fannie Mae Pool | 2.09 mm | 2.33 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Wells Fargo Commercial Mortgage Trust 2024-5C1 | 2.07 mm | 2.00 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Fannie Mae Pool | 2.07 mm | 2.30 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Freddie Mac Pool | 2.06 mm | 2.17 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Japan Bank for International Cooperation | 2.04 mm | 2.01 mm principal | 0.05 | Debt | Long | Japan |
Kommunalbanken AS | 2.02 mm | 2.00 mm principal | 0.05 | Debt | Long | Norway |
Exeter Automobile Receivables Trust 2024-2 | 2.02 mm | 2.00 mm principal | 0.05 | ABS-other | Long | USA |
Hyundai Auto Receivables Trust 2023-B | 2.02 mm | 2.00 mm principal | 0.05 | ABS-other | Long | USA |
Freddie Mac Pool | 2.01 mm | 2.23 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
CPPIB Capital Inc | 1.99 mm | 1.99 mm principal | 0.05 | Debt | Long | Canada |
GM Financial Consumer Automobile Receivables Trust 2023-2 | 1.99 mm | 2.00 mm principal | 0.05 | ABS-other | Long | USA |
Discover Card Execution Note Trust | 1.97 mm | 2.00 mm principal | 0.05 | ABS-other | Long | USA |
JPMBB Commercial Mortgage Securities Trust 2015-C29 | 1.97 mm | 2.00 mm principal | 0.05 | ABS-mortgage backed security | Long | USA |
Kreditanstalt fuer Wiederaufbau | 1.96 mm | 1.99 mm principal | 0.05 | Debt | Long | Germany |