ISHARES RUSSELL 1000 ETF (IWB) Institutional Shareholders
ISHARES RUSSELL 1000 ETF (IWB) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $37.85B in IWB holdings during the latest filing period.
Fmr Llc is currently the largest disclosed institutional shareholder of IWB tracked by InsiderSet, reporting ownership valued at approximately $4.07B in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $4.17B, representing an estimated gain of +2.47% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 45% of the total disclosed IWB value among the investors covered in this analysis. Major shareholders include Fmr Llc, Jones Financial Companies Lllp, Bank Of America Corp, and several other long-term asset managers with concentrated positions in ISHARES RUSSELL 1000 ETF (IWB).
This page ranks the largest institutional IWB shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
1,532
Total Reported Value
$37.85B
Largest Holder
Fmr Llc
Largest Position
$4.07B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
57
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Fmr Llc | 0.18% | 9,942,793 | $4,071,573,942 | $4,172,194,799 | +$100,620,857 | +2.47% | |
| Jones Financial Companies Lllp | 1.39% | 8,705,412 | $3,483,940,157 | $3,652,964,983 | +$169,024,826 | +4.85% | |
| Bank Of America Corp | 0.12% | 4,567,154 | $1,870,249,515 | $1,916,469,161 | +$46,219,646 | +2.47% | |
| Envestnet Asset Management Inc | 0.38% | 3,908,505 | $1,600,532,927 | $1,640,086,868 | +$39,553,941 | +2.47% | |
| M&T Bank Corp | 3.48% | 2,899,576 | $1,187,376,280 | $1,216,720,081 | +$29,343,801 | +2.47% | |
| Northern Trust Corp | 0.12% | 2,550,767 | $1,044,539,087 | $1,070,352,849 | +$25,813,762 | +2.47% | |
| Lpl Financial Llc | 0.23% | 2,543,875 | $1,041,717,101 | $1,067,460,828 | +$25,743,727 | +2.47% | |
| Blackrock, Inc. | 0.01% | 2,289,986 | $937,749,289 | $960,923,925 | +$23,174,636 | +2.47% | |
| Pnc Financial Services Group, Inc. | 0.47% | 2,125,896 | $870,554,219 | $892,068,480 | +$21,514,261 | +2.47% | |
| Morgan Stanley | 0.04% | 2,040,874 | $835,739,597 | $856,391,548 | +$20,651,951 | +2.47% | |
| Focus Partners Wealth | 0.78% | 1,859,370 | $761,412,753 | $780,228,839 | +$18,816,086 | +2.47% | |
| Catalyst Capital Advisors Llc | 11.13% | 1,637,759 | $670,662,311 | $687,236,432 | +$16,574,121 | +2.47% | |
| Millburn Ridgefield Llc | 12.70% | 1,637,759 | $670,662,311 | $687,236,432 | +$16,574,121 | +2.47% | |
| Jpmorgan Chase & Co | 0.04% | 1,634,389 | $664,069,000 | $685,822,312 | +$21,753,312 | +3.28% | |
| Wells Fargo & Company/Mn | 0.11% | 1,577,820 | $646,117,404 | $662,084,828 | +$15,967,424 | +2.47% | |
| Johnson Investment Counsel Inc | 4.28% | 1,429,386 | $585,333,483 | $599,798,953 | +$14,465,470 | +2.47% | |
| Bokf, Na | 7.23% | 1,281,418 | $524,740,671 | $537,708,621 | +$12,967,950 | +2.47% | |
| Captrust Financial Advisors | 0.80% | 1,270,498 | $520,268,749 | $533,126,371 | +$12,857,622 | +2.47% | |
| Ubs Group Ag | 0.07% | 1,138,581 | $466,248,921 | $477,771,359 | +$11,522,438 | +2.47% | |
| Goldman Sachs Group Inc | 0.05% | 1,081,981 | $443,071,405 | $454,020,867 | +$10,949,462 | +2.47% | |
| Pathstone Holdings, Llc | 1.58% | 1,112,041 | $396,546,587 | $466,634,644 | +$70,088,057 | +17.67% | |
| Us Bancorp \De\ | 0.38% | 856,684 | $350,812,201 | $359,481,740 | +$8,669,539 | +2.47% | |
| Dynasty Wealth Management, Llc | 2.55% | 838,203 | $343,243,942 | $351,726,743 | +$8,482,801 | +2.47% | |
| Fifth Third Bancorp | 0.55% | 833,092 | $341,151,321 | $349,582,065 | +$8,430,744 | +2.47% | |
| Cerity Partners Llc | 0.41% | 815,660 | $334,013,336 | $342,267,249 | +$8,253,913 | +2.47% | |
| National Mutual Insurance Federation Of Agricultural Cooperatives | 2.12% | 791,000 | $323,914,500 | $331,919,420 | +$8,004,920 | +2.47% | |
| Mercer Global Advisors Inc | 0.37% | 715,630 | $293,050,560 | $300,292,661 | +$7,242,101 | +2.47% | |
| Legacy Wealth Management, Llc | 15.05% | 702,613 | $287,720,157 | $294,830,467 | +$7,110,310 | +2.47% | |
| Capstone Financial Advisors, Inc. | 12.72% | 637,495 | $261,054,053 | $267,505,652 | +$6,451,599 | +2.47% | |
| Pinnacle Financial Partners, Inc. | 1.75% | 625,348 | $256,080,128 | $262,408,528 | +$6,328,400 | +2.47% | |
| Mariner, Llc | 0.24% | 566,204 | $231,860,567 | $237,590,522 | +$5,729,955 | +2.47% | |
| Raymond James Financial Inc | 0.06% | 565,167 | $231,435,746 | $237,155,377 | +$5,719,631 | +2.47% | |
| Hightower Advisors, Llc | 0.21% | 524,619 | $214,831,638 | $220,140,625 | +$5,308,987 | +2.47% | |
| Ieq Capital, Llc | 0.93% | 492,609 | $201,722,900 | $206,708,589 | +$4,985,689 | +2.47% | |
| Ameriprise Financial Inc | 0.04% | 482,320 | $197,628,011 | $202,391,118 | +$4,763,107 | +2.41% | |
| Openarc Corporate Advisory, Llc | 2.13% | 437,245 | $179,051,828 | $183,476,747 | +$4,424,919 | +2.47% | |
| Empower Advisory Group, Llc | 0.42% | 430,492 | $176,286,478 | $180,643,053 | +$4,356,575 | +2.47% | |
| Truist Financial Corp | 0.20% | 410,929 | $168,275,320 | $172,434,027 | +$4,158,707 | +2.47% | |
| Cetera Investment Advisers | 0.14% | 381,177 | $156,091,819 | $159,949,493 | +$3,857,674 | +2.47% | |
| Cibc Bancorp Usa Inc. | 0.19% | 380,082 | $155,643,761 | $159,490,009 | +$3,846,248 | +2.47% | |
| Red Cedar Investment Management, Llc | 14.73% | 379,919 | $155,576,751 | $159,421,611 | +$3,844,860 | +2.47% | |
| Royal Bank Of Canada | 0.02% | 352,340 | $144,283,000 | $147,848,911 | +$3,565,911 | +2.47% | |
| Mps Loria Financial Planners, Llc | 32.71% | 347,484 | $142,294,877 | $145,811,236 | +$3,516,359 | +2.47% | |
| Bank Of Montreal | 0.05% | 341,972 | $140,037,467 | $143,498,291 | +$3,460,824 | +2.47% | |
| Wealth Enhancement Advisory Services, Llc | 0.23% | 336,014 | $136,333,119 | $140,998,195 | +$4,665,076 | +3.42% | |
| Hsbc Holdings Plc | 0.06% | 318,478 | $130,416,938 | $133,639,738 | +$3,222,800 | +2.47% | |
| Waverly Advisors, Llc | 0.75% | 314,703 | $128,870,677 | $132,055,673 | +$3,184,996 | +2.47% | |
| Sagespring Wealth Partners, Llc | 1.96% | 311,153 | $127,416,990 | $130,566,022 | +$3,149,032 | +2.47% | |
| Northrock Partners, Llc | 1.76% | 295,228 | $120,895,778 | $123,883,573 | +$2,987,795 | +2.47% | |
| Arbor Investment Advisors, Llc | 13.20% | 284,885 | $116,660,539 | $119,543,444 | +$2,882,905 | +2.47% |
Frequently asked questions about IWB
Who owns the most IWB stock?
The largest holders of IWB are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ISHARES RUSSELL 1000 ETF (IWB).
Is IWB widely held by superinvestors?
Many widely followed stocks like IWB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IWB is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.