BlackRock’s iShares Core Universal USD Bond ETF IUSB Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $3.79B | Buy |
82,039,260
+11,278,295
| +16% | +$520M | 0.06% | 276 |
|
|
2026
Q1 | $3.27B | Sell |
70,760,965
-1,116,399
| -2% | -$52M | 0.06% | 285 |
|
|
2025
Q4 | $3.35B | Buy |
71,877,364
+9,482,372
| +15% | +$443M | 0.06% | 275 |
|
|
2025
Q3 | $2.91B | Buy |
62,394,992
+269,490
| +0.4% | +$12.5M | 0.05% | 298 |
|
|
2025
Q2 | $2.87B | Sell |
62,125,502
-2,381,759
| -4% | -$109M | 0.05% | 299 |
|
|
2025
Q1 | $2.97B | Sell |
64,507,261
-3,814,214
| -6% | -$174M | 0.06% | 273 |
|
|
2024
Q4 | $3.09B | Buy |
68,321,475
+6,747,217
| +11% | +$310M | 0.06% | 271 |
|
|
2024
Q3 | $2.9B | Buy |
61,574,258
+1,705,786
| +3% | +$79.2M | 0.06% | 285 |
|
|
2024
Q2 | $2.71B | Buy |
59,868,472
+2,863,411
| +5% | +$129M | 0.06% | 273 |
|
|
2024
Q1 | $2.6B | Sell |
57,005,061
-3,439,030
| -6% | -$157M | 0.06% | 299 |
|
|
2023
Q4 | $2.78B | Buy |
60,444,091
+3,417,551
| +6% | +$151M | 0.07% | 258 |
|
|
2023
Q3 | $2.49B | Sell |
57,026,540
-4,310,348
| -7% | -$193M | 0.07% | 261 |
|
|
2023
Q2 | $2.79B | Buy |
61,336,888
+737,693
| +1% | +$33.8M | 0.08% | 255 |
|
|
2023
Q1 | $2.8B | Sell |
60,599,195
-8,260,065
| -12% | -$378M | 0.08% | 238 |
|
|
2022
Q4 | $3.09B | Buy |
68,859,260
+7,501,444
| +12% | +$336M | 0.1% | 206 |
|
|
2022
Q3 | $2.73B | Buy |
61,357,816
+168,776
| +0.3% | +$7.87M | 0.09% | 214 |
|
|
2022
Q2 | $2.86B | Sell |
61,189,040
-3,013,963
| -5% | -$143M | 0.09% | 207 |
|
|
2022
Q1 | $3.19B | Buy |
64,203,003
+4,455,849
| +7% | +$227M | 0.09% | 217 |
|
|
2021
Q4 | $3.16B | Buy |
59,747,154
+4,765,174
| +9% | +$253M | 0.08% | 235 |
|
|
2021
Q3 | $2.93B | Buy |
54,981,980
+4,211,407
| +8% | +$226M | 0.08% | 226 |
|
|
2021
Q2 | $2.72B | Buy |
50,770,573
+5,710,699
| +13% | +$303M | 0.08% | 252 |
|
|
2021
Q1 | $2.38B | Buy |
45,059,874
+7,741,330
| +21% | +$415M | 0.07% | 271 |
|
|
2020
Q4 | $2.04B | Buy |
37,318,544
+7,611,657
| +26% | +$414M | 0.07% | 297 |
|
|
2020
Q3 | $1.62B | Sell |
29,706,887
-355,845
| -1% | -$19.4M | 0.06% | 305 |
|
|
2020
Q2 | $1.63B | Sell |
30,062,732
-572,253
| -2% | -$30.7M | 0.07% | 290 |
|
|
2020
Q1 | $1.61B | Sell |
30,634,985
-980,371
| -3% | -$51.5M | 0.08% | 233 |
|
|
2019
Q4 | $1.65B | Buy |
31,615,356
+1,722,619
| +6% | +$89.9M | 0.06% | 296 |
|
|
2019
Q3 | $1.57B | Buy |
29,892,737
+885,981
| +3% | +$46.1M | 0.07% | 283 |
|
|
2019
Q2 | $1.5B | Buy |
29,006,756
+1,631,743
| +6% | +$82.8M | 0.06% | 290 |
|
|
2019
Q1 | $1.39B | Sell |
27,375,013
-5,639,256
| -17% | -$281M | 0.06% | 298 |
|
|
2018
Q4 | $1.63B | Buy |
33,014,269
+7,311,628
| +28% | +$356M | 0.08% | 229 |
|
|
2018
Q3 | $1.26B | Sell |
25,702,641
-45,725
| -0.2% | -$2.26M | 0.05% | 340 |
|
|
2018
Q2 | $1.27B | Buy |
25,748,366
+1,084,391
| +4% | +$53.5M | 0.06% | 321 |
|
|
2018
Q1 | $1.23B | Buy |
24,663,975
+141,187
| +0.6% | +$7.07M | 0.06% | 331 |
|
|
2017
Q4 | $1.25B | Buy |
24,522,788
+12,081,884
| +97% | +$615M | 0.06% | 323 |
|
|
2017
Q3 | $635M | Buy |
12,440,904
+964,287
| +8% | +$49.3M | 0.03% | 546 |
|
|
2017
Q2 | $585M | Buy |
11,476,617
+1,076,891
| +10% | +$54.8M | 0.03% | 569 |
|
|
2017
Q1 | $525M | Buy |
10,399,726
+10,399,718
| +129,996,475% | +$523M | 0.03% | 628 |
|
|
2016
Q4 | $0 | Buy |
+8
| New | +$407 | ﹤0.01% | 3778 |
|
Other funds holding IUSB
BlackRock's IUSB Position: Q2 2026 in Review
BlackRock increased its iShares Core Universal USD Bond ETF (IUSB) stake by 16% in Q2 2026, buying an estimated $520M and bringing the position to 82,039,260 shares worth $3.79B. The position accounts for 0.06% of the portfolio, ranked #276.
BlackRock first reported a position in IUSB in Q4 2016 and has held it in 39 quarters since. 855 funds tracked by Wall St. Rank hold IUSB as of Q2 2026.
- BlackRock held 82,039,260 shares of iShares Core Universal USD Bond ETF worth $3.79B as of Q2 2026.
- BlackRock bought 11,278,295 iShares Core Universal USD Bond ETF shares in Q2 2026, an estimated $520M.
- iShares Core Universal USD Bond ETF made up 0.06% of BlackRock's portfolio in Q2 2026, its #276 holding.
- BlackRock first reported a position in iShares Core Universal USD Bond ETF in Q4 2016 and has held it in 39 quarters since.
- 855 funds tracked by Wall St. Rank held iShares Core Universal USD Bond ETF as of Q2 2026.
Based on BlackRock's 13F filing for Q2 2026, filed 7 Aug 2026.