As of 30 Sep 2025, 1,411 institutional investors reported holding 98,288,827 shares of ISHARES TR - RUS 1000 ETF (IWB).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 46,652,378 | $17,427,179,781 | +$392,684,548 | $373.44 | 1,155 |
| 2025 Q3 | 98,288,827 | $35,899,537,576 | +$827,599,630 | $365.48 | 1,411 |
| 2025 Q2 | 97,200,391 | $32,985,952,068 | -$67,176,732 | $339.57 | 1,380 |
| 2025 Q1 | 97,704,580 | $29,949,488,543 | -$636,687,873 | $306.74 | 1,333 |
| 2024 Q4 | 100,729,231 | $32,451,636,747 | +$1,445,624,249 | $322.16 | 1,352 |
| 2024 Q3 | 95,073,362 | $29,855,053,720 | -$377,953,717 | $314.39 | 1,261 |
| 2024 Q2 | 96,760,124 | $28,790,190,291 | -$498,571,001 | $297.54 | 1,249 |
| 2024 Q1 | 98,550,178 | $28,376,505,691 | +$35,855,672 | $288.03 | 1,214 |
| 2023 Q4 | 98,994,171 | $25,965,574,890 | +$59,924,280 | $262.26 | 1,211 |
| 2023 Q3 | 98,700,279 | $23,186,181,738 | -$317,018,750 | $234.91 | 1,091 |
| 2023 Q2 | 99,831,746 | $24,332,264,042 | -$101,441,714 | $243.74 | 1,096 |
| 2023 Q1 | 95,839,516 | $21,586,630,690 | -$1,001,098,264 | $225.23 | 1,057 |
| 2022 Q4 | 105,643,898 | $22,244,622,333 | +$1,295,878,376 | $210.52 | 1,066 |
| 2022 Q3 | 100,826,217 | $19,909,946,917 | +$363,948,975 | $197.33 | 997 |
| 2022 Q2 | 100,064,887 | $20,826,135,926 | +$1,002,904,233 | $207.76 | 1,007 |
| 2022 Q1 | 94,837,507 | $23,701,264,907 | -$586,609,691 | $250.07 | 1,040 |
| 2021 Q4 | 96,998,830 | $25,615,918,923 | +$756,422,328 | $264.43 | 1,053 |
| 2021 Q3 | 94,749,267 | $22,946,710,664 | +$880,923,255 | $241.71 | 931 |
| 2021 Q2 | 91,717,926 | $22,186,171,764 | +$290,716,534 | $242.08 | 917 |
| 2021 Q1 | 92,197,768 | $20,632,573,712 | -$114,871,201 | $223.83 | 914 |
| 2020 Q4 | 92,703,630 | $19,629,604,728 | -$254,271,952 | $211.84 | 902 |
| 2020 Q3 | 92,210,650 | $17,227,863,932 | -$416,022,358 | $187.15 | 815 |
| 2020 Q2 | 95,855,201 | $16,423,108,610 | -$23,348,465 | $171.68 | 795 |
| 2020 Q1 | 96,079,517 | $13,588,671,657 | +$79,209,371 | $141.53 | 768 |
| 2019 Q4 | 95,209,343 | $16,980,850,746 | +$149,248,637 | $178.42 | 810 |
| 2019 Q3 | 93,041,710 | $15,293,165,439 | +$172,438,426 | $164.54 | 713 |
| 2019 Q2 | 91,989,555 | $14,958,136,995 | +$526,659,031 | $162.79 | 696 |
| 2019 Q1 | 88,740,366 | $13,960,430,019 | -$1,486,402,629 | $157.31 | 686 |
| 2018 Q4 | 98,263,381 | $13,628,272,245 | -$95,095,129 | $138.69 | 701 |
| 2018 Q3 | 96,341,441 | $15,576,841,854 | -$243,070,769 | $161.71 | 633 |
| 2018 Q2 | 98,040,380 | $14,899,747,904 | -$10,623,129 | $151.98 | 619 |
| 2018 Q1 | 98,629,135 | $14,479,391,612 | -$470,341,450 | $146.86 | 622 |
| 2017 Q4 | 101,565,053 | $15,096,795,219 | +$186,443,885 | $148.61 | 613 |
| 2017 Q3 | 99,324,303 | $13,895,089,670 | +$103,285,161 | $139.88 | 527 |
| 2017 Q2 | 98,658,979 | $13,346,558,196 | +$391,839,051 | $135.27 | 520 |
| 2017 Q1 | 95,720,072 | $12,561,512,143 | +$2,865,095,657 | $131.25 | 507 |
| 2016 Q4 | 96,113,381 | $11,963,837,094 | -$117,071,590 | $124.46 | 500 |
| 2016 Q3 | 95,435,896 | $11,493,764,094 | +$441,620,039 | $120.46 | 458 |
| 2016 Q2 | 91,888,441 | $10,742,361,918 | -$18,822,405 | $116.89 | 446 |
| 2016 Q1 | 92,034,722 | $10,496,417,459 | -$325,804,351 | $114.07 | 435 |
| 2015 Q4 | 95,105,826 | $10,769,548,293 | +$3,414,439,691 | $113.31 | 418 |
| 2015 Q3 | 64,371,618 | $6,884,774,986 | +$722,322,412 | $107.05 | 385 |
| 2015 Q2 | 57,938,877 | $6,723,554,701 | -$160,653,672 | $116.04 | 376 |
| 2015 Q1 | 58,653,969 | $6,792,180,598 | +$420,826,641 | $115.85 | 382 |
| 2014 Q4 | 55,076,765 | $6,313,183,360 | +$203,883,973 | $114.63 | 380 |
| 2014 Q3 | 52,454,875 | $5,760,836,963 | +$461,736,113 | $109.87 | 338 |
| 2014 Q2 | 48,438,609 | $5,333,512,124 | -$43,931,898 | $110.11 | 335 |
| 2014 Q1 | 48,882,863 | $5,122,059,174 | -$88,653,860 | $104.77 | 321 |