As of 30 Sep 2025, 1,411 institutional investors reported holding 98,291,920 shares of ISHARES TR - RUS 1000 ETF (IWB).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,463,438 | $549,088,529 | +$75,768,899 | $373.44 | 125 |
| 2025 Q3 | 98,291,920 | $35,900,666,599 | +$823,834,415 | $365.48 | 1,411 |
| 2025 Q2 | 97,200,391 | $32,985,952,068 | -$67,176,734 | $339.57 | 1,380 |
| 2025 Q1 | 97,703,357 | $29,949,113,398 | -$636,680,522 | $306.74 | 1,332 |
| 2024 Q4 | 100,435,869 | $32,356,373,827 | +$1,443,645,914 | $322.16 | 1,341 |
| 2024 Q3 | 94,878,858 | $29,793,903,373 | -$377,092,219 | $314.39 | 1,246 |
| 2024 Q2 | 96,552,097 | $28,728,042,610 | -$490,809,087 | $297.54 | 1,230 |
| 2024 Q1 | 98,331,797 | $28,313,340,847 | -$59,057,943 | $288.03 | 1,202 |
| 2023 Q4 | 352,484 | $92,397,506 | +$40,019,784 | $262.26 | 23 |
| 2023 Q3 | 98,480,696 | $23,134,597,879 | -$225,384,230 | $234.91 | 1,067 |
| 2023 Q2 | 99,669,207 | $24,292,646,178 | -$5,807,446,843 | $243.74 | 1,075 |
| 2023 Q1 | 95,392,708 | $21,485,994,511 | -$1,201,831,302 | $225.23 | 1,035 |
| 2022 Q4 | 105,340,941 | $22,180,843,754 | +$1,191,534,480 | $210.52 | 1,046 |
| 2022 Q3 | 88,421,267 | $17,461,977,961 | +$234,615,348 | $197.33 | 981 |
| 2022 Q2 | 97,541,548 | $20,301,887,786 | +$942,846,979 | $207.76 | 993 |
| 2022 Q1 | 94,037,792 | $23,501,108,610 | -$563,968,858 | $250.07 | 1,026 |
| 2021 Q4 | 96,858,175 | $25,578,724,610 | +$754,183,179 | $264.43 | 1,040 |
| 2021 Q3 | 94,629,595 | $22,917,785,143 | +$884,504,887 | $241.71 | 923 |
| 2021 Q2 | 91,592,087 | $22,155,708,412 | +$290,025,376 | $242.08 | 908 |
| 2021 Q1 | 92,075,036 | $20,605,088,036 | -$113,718,495 | $223.83 | 908 |
| 2020 Q4 | 92,576,314 | $19,602,633,571 | -$256,114,649 | $211.84 | 894 |
| 2020 Q3 | 92,136,946 | $17,214,070,500 | -$417,893,867 | $187.15 | 809 |
| 2020 Q2 | 95,739,997 | $16,403,330,641 | -$15,222,374 | $171.68 | 788 |
| 2020 Q1 | 87,738,481 | $12,408,260,509 | -$654,699,168 | $141.53 | 757 |
| 2019 Q4 | 95,076,232 | $16,957,101,240 | +$590,074,831 | $178.42 | 803 |
| 2019 Q3 | 92,766,177 | $15,247,608,335 | +$137,375,220 | $164.54 | 710 |
| 2019 Q2 | 91,958,596 | $14,953,100,690 | +$496,936,289 | $162.79 | 693 |
| 2019 Q1 | 88,711,683 | $13,955,917,896 | -$1,490,556,293 | $157.31 | 684 |
| 2018 Q4 | 98,163,624 | $13,614,433,301 | -$155,905,597 | $138.69 | 698 |
| 2018 Q3 | 95,671,636 | $15,468,498,179 | -$258,377,769 | $161.71 | 630 |
| 2018 Q2 | 98,010,524 | $14,895,210,296 | -$10,293,654 | $151.98 | 616 |
| 2018 Q1 | 98,598,911 | $14,474,954,338 | -$466,018,673 | $146.86 | 619 |
| 2017 Q4 | 101,524,321 | $15,089,398,152 | +$186,422,283 | $148.61 | 610 |
| 2017 Q3 | 99,323,803 | $13,895,019,730 | +$99,105,741 | $139.88 | 526 |
| 2017 Q2 | 98,655,799 | $13,346,127,561 | +$357,269,496 | $135.27 | 518 |
| 2017 Q1 | 95,720,072 | $12,561,512,143 | +$2,865,714,697 | $131.25 | 507 |
| 2016 Q4 | 96,113,381 | $11,963,837,094 | -$116,851,360 | $124.46 | 500 |
| 2016 Q3 | 95,435,896 | $11,493,764,094 | +$437,984,466 | $120.46 | 458 |
| 2016 Q2 | 91,888,441 | $10,742,361,918 | -$11,103,341 | $116.89 | 446 |
| 2016 Q1 | 92,034,722 | $10,496,417,459 | -$328,734,493 | $114.07 | 435 |
| 2015 Q4 | 95,157,155 | $10,769,599,293 | +$3,415,045,925 | $113.31 | 419 |
| 2015 Q3 | 64,371,618 | $6,884,774,986 | +$706,435,037 | $107.05 | 385 |
| 2015 Q2 | 57,016,365 | $6,616,505,701 | -$168,326,668 | $116.04 | 375 |
| 2015 Q1 | 58,538,680 | $6,778,824,598 | +$420,028,833 | $115.85 | 381 |
| 2014 Q4 | 55,076,765 | $6,313,183,360 | +$186,396,939 | $114.63 | 383 |
| 2014 Q3 | 52,434,816 | $5,758,632,963 | +$462,362,962 | $109.87 | 337 |
| 2014 Q2 | 48,422,287 | $5,331,366,098 | -$46,164,457 | $110.11 | 335 |
| 2014 Q1 | 48,869,382 | $5,120,647,174 | -$91,179,220 | $104.77 | 320 |