Security Snapshot

ISHARES TR - RUS 1000 ETF (IWB) Institutional Ownership

CUSIP: 464287622

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

1,478

Shares (Excl. Options)

101,050,228

Price

$373.44

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.

Create free account to save this page Review latest holder period
Type / Class
Equity / RUS 1000 ETF
Symbol
IWB
Price per share
$356.56
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
101,050,228
Total reported value
$37,738,729,501
% of total 13F portfolios
0.09%
Share change
+1,672,865
Value change
+$623,137,579
Number of holders
1,478
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • IWB - ISHARES TR - RUS 1000 ETF is tracked under CUSIP 464287622.
  • 1478 institutions reported positions in Q4 2025.
  • Schedule 13D/13G significant owner rows are not currently available.

What Changed

  • Holder count moved from 1,478 to 394 between Q4 2025 and Q1 2026.
  • Reported value moved from $37,738,729,501 to $2,179,893,315.

Why This Matters

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 1478 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 464287622?
CUSIP 464287622 identifies IWB - ISHARES TR - RUS 1000 ETF in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

As of 31 Dec 2025, 1,478 institutional investors reported holding 101,050,228 shares of ISHARES TR - RUS 1000 ETF (IWB).

Institutional Holders of ISHARES TR - RUS 1000 ETF (IWB) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 6,106,845 $2,179,893,315 -$181,088,469 $356.56 394
2025 Q4 101,050,228 $37,738,729,501 +$623,137,579 $373.44 1,478
2025 Q3 98,317,238 $35,909,921,229 +$827,570,173 $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