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IUSB holdings

iShares Core Universal USD Bond ETF

Source: SEC Form N-PORT (opens in a new tab) Holdings as of Made public 25 Sep 2026

Positions

2,000 stored of 18,110 reported, largest first by weight

IUSB holdings as of 31 Jul 2026, largest first
# Holding ISIN CUSIP Weight Value (USD) Type Issuer type Country Currency
101 United States of America U.S. Treasury Notes US91282CGB19 91282CGB1 0.166% $71.5M Debt US Treasury United States USD
102 United States of America U.S. Treasury Notes US91282CLU35 91282CLU3 0.166% $71.4M Debt US Treasury United States USD
103 United States of America U.S. Treasury Notes US91282CLK52 91282CLK5 0.165% $70.8M Debt US Treasury United States USD
104 United States of America U.S. Treasury Bonds US912810TV08 912810TV0 0.164% $70.7M Debt US Treasury United States USD
105 United States of America U.S. Treasury Notes US91282CKG59 91282CKG5 0.164% $70.6M Debt US Treasury United States USD
106 United States of America U.S. Treasury Notes US91282CLL36 91282CLL3 0.164% $70.6M Debt US Treasury United States USD
107 United States of America U.S. Treasury Notes US91282CPL99 91282CPL9 0.164% $70.4M Debt US Treasury United States USD
108 United States of America U.S. Treasury Bonds US912810UM89 912810UM8 0.164% $70.4M Debt US Treasury United States USD
109 United States of America U.S. Treasury Bonds US912810UR76 912810UR7 0.163% $70.0M Debt US Treasury United States USD
110 United States of America U.S. Treasury Bonds US912810TA60 912810TA6 0.162% $69.7M Debt US Treasury United States USD
111 United States of America U.S. Treasury Bonds US912810TC27 912810TC2 0.162% $69.6M Debt US Treasury United States USD
112 Federal National Mortgage Association or Federal Home Loan Mortgage Corp. Uniform Mortgage-Backed Securities US01F0526800 01F052680 0.161% $69.1M Mortgage-backed securities US government-sponsored enterprise United States USD
113 United States of America U.S. Treasury Notes US91282CPP04 91282CPP0 0.161% $69.0M Debt US Treasury United States USD
114 United States of America U.S. Treasury Notes US91282CBP59 91282CBP5 0.160% $69.0M Debt US Treasury United States USD
115 United States of America U.S. Treasury Notes US91282CKZ31 91282CKZ3 0.160% $68.8M Debt US Treasury United States USD
116 United States of America U.S. Treasury Bonds US912810TN81 912810TN8 0.160% $68.6M Debt US Treasury United States USD
117 Government National Mortgage Association US21H0326882 21H032688 0.157% $67.6M Mortgage-backed securities US government agency United States USD
118 United States of America U.S. Treasury Bonds US912810UA42 912810UA4 0.156% $67.2M Debt US Treasury United States USD
119 Federal National Mortgage Association Uniform Mortgage-Backed Securities US31418EB825 31418EB82 0.156% $66.9M Mortgage-backed securities US government-sponsored enterprise United States USD
120 United States of America U.S. Treasury Notes US91282CCY57 91282CCY5 0.155% $66.8M Debt US Treasury United States USD
121 United States of America U.S. Treasury Notes US91282CKD29 91282CKD2 0.155% $66.6M Debt US Treasury United States USD
122 United States of America U.S. Treasury Bonds US912810UE63 912810UE6 0.154% $66.2M Debt US Treasury United States USD
123 United States of America U.S. Treasury Bonds US912810TG31 912810TG3 0.154% $66.1M Debt US Treasury United States USD
124 United States of America U.S. Treasury Notes US91282CNN73 91282CNN7 0.153% $65.9M Debt US Treasury United States USD
125 United States of America U.S. Treasury Bonds US912810UG12 912810UG1 0.153% $65.8M Debt US Treasury United States USD
126 United States of America U.S. Treasury Bonds US912810UP11 912810UP1 0.153% $65.8M Debt US Treasury United States USD
127 Federal National Mortgage Association or Federal Home Loan Mortgage Corp. Uniform Mortgage-Backed Securities US01F0404875 01F040487 0.152% $65.4M Mortgage-backed securities US government-sponsored enterprise United States USD
128 United States of America U.S. Treasury Notes US91282CMF58 91282CMF5 0.150% $64.6M Debt US Treasury United States USD
129 United States of America U.S. Treasury Bonds US912810UL07 912810UL0 0.149% $64.2M Debt US Treasury United States USD
130 United States of America U.S. Treasury Notes US91282CJW29 91282CJW2 0.149% $64.1M Debt US Treasury United States USD
131 United States of America U.S. Treasury Bonds US912810TW80 912810TW8 0.149% $64.0M Debt US Treasury United States USD
132 United States of America U.S. Treasury Bonds US912810SZ21 912810SZ2 0.148% $63.5M Debt US Treasury United States USD
133 United States of America U.S. Treasury Notes US91282CJA09 91282CJA0 0.148% $63.5M Debt US Treasury United States USD
134 United States of America U.S. Treasury Bonds US912810TX63 912810TX6 0.147% $63.4M Debt US Treasury United States USD
135 United States of America U.S. Treasury Bonds US912810TJ79 912810TJ7 0.147% $63.4M Debt US Treasury United States USD
136 United States of America U.S. Treasury Notes US91282CJR34 91282CJR3 0.146% $62.7M Debt US Treasury United States USD
137 United States of America U.S. Treasury Bonds US912810UC08 912810UC0 0.145% $62.6M Debt US Treasury United States USD
138 United States of America U.S. Treasury Notes US91282CDL28 91282CDL2 0.145% $62.5M Debt US Treasury United States USD
139 United States of America U.S. Treasury Notes US91282CQJ35 91282CQJ3 0.143% $61.7M Debt US Treasury United States USD
140 United States of America U.S. Treasury Notes US91282CES61 91282CES6 0.143% $61.5M Debt US Treasury United States USD
141 United States of America U.S. Treasury Notes US91282CBZ32 91282CBZ3 0.142% $61.2M Debt US Treasury United States USD
142 United States of America U.S. Treasury Notes US9128284N73 9128284N7 0.140% $60.2M Debt US Treasury United States USD
143 United States of America U.S. Treasury Notes US91282CPY11 91282CPY1 0.139% $59.9M Debt US Treasury United States USD
144 United States of America U.S. Treasury Notes US91282CJF95 91282CJF9 0.139% $59.8M Debt US Treasury United States USD
145 United States of America U.S. Treasury Bonds US912810TD00 912810TD0 0.138% $59.5M Debt US Treasury United States USD
146 Government National Mortgage Association US21H0226892 21H022689 0.138% $59.4M Mortgage-backed securities US government agency United States USD
147 United States of America U.S. Treasury Bonds US912810TB44 912810TB4 0.136% $58.4M Debt US Treasury United States USD
148 United States of America U.S. Treasury Notes US91282CQV62 91282CQV6 0.135% $58.1M Debt US Treasury United States USD
149 United States of America U.S. Treasury Bonds US912810TM09 912810TM0 0.135% $57.9M Debt US Treasury United States USD
150 United States of America U.S. Treasury Bonds US912810TF57 912810TF5 0.134% $57.7M Debt US Treasury United States USD
151 United States of America U.S. Treasury Bonds US912810SX72 912810SX7 0.134% $57.6M Debt US Treasury United States USD
152 United States of America U.S. Treasury Bonds US912810TT51 912810TT5 0.133% $57.2M Debt US Treasury United States USD
153 United States of America U.S. Treasury Bonds US912810TU25 912810TU2 0.132% $56.6M Debt US Treasury United States USD
154 United States of America U.S. Treasury Notes US91282CFJ53 91282CFJ5 0.131% $56.5M Debt US Treasury United States USD
155 United States of America U.S. Treasury Bonds US912810SY55 912810SY5 0.130% $55.8M Debt US Treasury United States USD
156 United States of America U.S. Treasury Bonds US912810TH14 912810TH1 0.130% $55.7M Debt US Treasury United States USD
157 United States of America U.S. Treasury Notes US91282CLQ23 91282CLQ2 0.130% $55.7M Debt US Treasury United States USD
158 United States of America U.S. Treasury Bonds US912810UB25 912810UB2 0.129% $55.7M Debt US Treasury United States USD
159 United States of America U.S. Treasury Notes US91282CQN47 91282CQN4 0.129% $55.5M Debt US Treasury United States USD
160 Government National Mortgage Association US21H0606895 21H060689 0.129% $55.5M Mortgage-backed securities US government agency United States USD
161 Government National Mortgage Association US21H0426872 21H042687 0.128% $55.2M Mortgage-backed securities US government agency United States USD
162 United States of America U.S. Treasury Notes US91282CQH78 91282CQH7 0.128% $55.1M Debt US Treasury United States USD
163 United States of America U.S. Treasury Notes US91282CBS98 91282CBS9 0.127% $54.6M Debt US Treasury United States USD
164 United States of America U.S. Treasury Notes US91282CQC81 91282CQC8 0.127% $54.4M Debt US Treasury United States USD
165 United States of America U.S. Treasury Bonds US912810TZ12 912810TZ1 0.126% $54.3M Debt US Treasury United States USD
166 United States of America U.S. Treasury Bonds US912810UT33 912810UT3 0.126% $54.0M Debt US Treasury United States USD
167 United States of America U.S. Treasury Bonds US912810TK43 912810TK4 0.125% $53.9M Debt US Treasury United States USD
168 United States of America U.S. Treasury Notes US91282CMC28 91282CMC2 0.125% $53.9M Debt US Treasury United States USD
169 United States of America U.S. Treasury Notes US91282CQF13 91282CQF1 0.125% $53.8M Debt US Treasury United States USD
170 United States of America U.S. Treasury Notes US91282CAU53 91282CAU5 0.124% $53.5M Debt US Treasury United States USD
171 United States of America U.S. Treasury Notes US91282CNJ61 91282CNJ6 0.124% $53.2M Debt US Treasury United States USD
172 United States of America U.S. Treasury Notes US91282CMS79 91282CMS7 0.124% $53.2M Debt US Treasury United States USD
173 United States of America U.S. Treasury Notes US91282CQX29 91282CQX2 0.123% $52.9M Debt US Treasury United States USD
174 United States of America U.S. Treasury Notes US91282CNP22 91282CNP2 0.123% $52.8M Debt US Treasury United States USD
175 United States of America U.S. Treasury Notes US91282CDF59 91282CDF5 0.121% $52.2M Debt US Treasury United States USD
176 United States of America U.S. Treasury Bonds US912810UQ93 912810UQ9 0.121% $52.0M Debt US Treasury United States USD
177 United States of America U.S. Treasury Notes US91282CQB09 91282CQB0 0.121% $51.9M Debt US Treasury United States USD
178 United States of America U.S. Treasury Bonds US912810UN62 912810UN6 0.120% $51.7M Debt US Treasury United States USD
179 United States of America U.S. Treasury Notes US91282CGS44 91282CGS4 0.120% $51.6M Debt US Treasury United States USD
180 United States of America U.S. Treasury Notes US91282CBJ99 91282CBJ9 0.120% $51.4M Debt US Treasury United States USD
181 United States of America U.S. Treasury Bonds US912810UJ50 912810UJ5 0.118% $51.0M Debt US Treasury United States USD
182 Federal National Mortgage Association Uniform Mortgage-Backed Securities US31418DYX47 31418DYX4 0.117% $50.3M Mortgage-backed securities US government-sponsored enterprise United States USD
183 United States of America U.S. Treasury Bonds US912810UF39 912810UF3 0.117% $50.3M Debt US Treasury United States USD
184 United States of America U.S. Treasury Bonds US912810SR05 912810SR0 0.117% $50.3M Debt US Treasury United States USD
185 United States of America U.S. Treasury Notes US91282CMN82 91282CMN8 0.116% $50.0M Debt US Treasury United States USD
186 United States of America U.S. Treasury Notes US9128283W81 9128283W8 0.115% $49.6M Debt US Treasury United States USD
187 United States of America U.S. Treasury Notes US91282CDP32 91282CDP3 0.115% $49.6M Debt US Treasury United States USD
188 United States of America U.S. Treasury Bonds US912810UD80 912810UD8 0.115% $49.3M Debt US Treasury United States USD
189 United States of America U.S. Treasury Notes US91282CPS43 91282CPS4 0.113% $48.7M Debt US Treasury United States USD
190 Federal Home Loan Mortgage Corp. Uniform Mortgage-Backed Securities US31427Q5R90 31427Q5R9 0.112% $48.2M Mortgage-backed securities US government-sponsored enterprise United States USD
191 United States of America U.S. Treasury Notes US91282CFC01 91282CFC0 0.112% $48.1M Debt US Treasury United States USD
192 United States of America U.S. Treasury Notes US91282CEE75 91282CEE7 0.112% $48.1M Debt US Treasury United States USD
193 United States of America U.S. Treasury Bonds US912810TR95 912810TR9 0.112% $48.0M Debt US Treasury United States USD
194 United States of America U.S. Treasury Notes US91282CQT17 91282CQT1 0.111% $47.8M Debt US Treasury United States USD
195 United States of America U.S. Treasury Notes US91282CMR96 91282CMR9 0.111% $47.7M Debt US Treasury United States USD
196 United States of America U.S. Treasury Notes US91282CKW00 91282CKW0 0.110% $47.4M Debt US Treasury United States USD
197 United States of America U.S. Treasury Notes US91282CAV37 91282CAV3 0.110% $47.4M Debt US Treasury United States USD
198 United States of America U.S. Treasury Notes US91282CKU44 91282CKU4 0.109% $47.1M Debt US Treasury United States USD
199 Federal Home Loan Mortgage Corp. Uniform Mortgage-Backed Securities US3132DWMS97 3132DWMS9 0.108% $46.6M Mortgage-backed securities US government-sponsored enterprise United States USD
200 United States of America U.S. Treasury Bonds US912810UU06 912810UU0 0.108% $46.5M Debt US Treasury United States USD
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