ISHARES S&P 100 ETF (OEF) Institutional Shareholders
ISHARES S&P 100 ETF (OEF) 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 $10.89B in OEF holdings during the latest filing period.
Bank Of America Corp is currently the largest disclosed institutional shareholder of OEF tracked by InsiderSet, reporting ownership valued at approximately $2.21B in its March 31, 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 $2.56B, representing an estimated gain of +16.02% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 55% of the total disclosed OEF value among the investors covered in this analysis. Major shareholders include Bank Of America Corp, Fifth Third Bancorp, Jones Financial Companies Lllp, and several other long-term asset managers with concentrated positions in ISHARES S&P 100 ETF (OEF).
This page ranks the largest institutional OEF 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
994
Total Reported Value
$10.89B
Largest Holder
Bank Of America Corp
Largest Position
$2.21B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
22
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Bank Of America Corp | 0.16% | 6,933,873 | $2,205,457,015 | $2,558,807,153 | +$353,350,138 | +16.02% | |
| Fifth Third Bancorp | 1.50% | 2,582,609 | $821,450,505 | $953,060,199 | +$131,609,694 | +16.02% | |
| Jones Financial Companies Lllp | 0.32% | 2,174,537 | $672,306,041 | $802,469,389 | +$130,163,348 | +19.36% | |
| Morgan Stanley | 0.02% | 1,282,727 | $407,997,343 | $473,364,745 | +$65,367,402 | +16.02% | |
| Lpl Financial Llc | 0.10% | 1,213,570 | $386,000,289 | $447,843,737 | +$61,843,448 | +16.02% | |
| Goldman Sachs Group Inc | 0.05% | 1,128,725 | $359,013,457 | $416,533,387 | +$57,519,930 | +16.02% | |
| Focus Partners Wealth | 0.37% | 1,039,893 | $330,758,809 | $383,751,714 | +$52,992,905 | +16.02% | |
| Wells Fargo & Company/Mn | 0.05% | 853,087 | $271,341,257 | $314,814,696 | +$43,473,439 | +16.02% | |
| Two Sigma Investments, Lp | 0.21% | 798,500 | $253,978,895 | $294,670,455 | +$40,691,560 | +16.02% | |
| Cresset Asset Management, Llc | 1.09% | 791,923 | $251,887,083 | $292,243,345 | +$40,356,262 | +16.02% | |
| Ieq Capital, Llc | 1.06% | 715,414 | $227,551,528 | $264,009,228 | +$36,457,700 | +16.02% | |
| Ubs Group Ag | 0.04% | 689,493 | $219,307,038 | $254,443,602 | +$35,136,564 | +16.02% | |
| Raymond James Financial Inc | 0.04% | 421,339 | $134,015,462 | $155,486,731 | +$21,471,269 | +16.02% | |
| Evoke Wealth, Llc | 2.38% | 404,867 | $128,776,358 | $149,408,069 | +$20,631,711 | +16.02% | |
| Ameriprise Financial Inc | 0.03% | 366,926 | $122,679,602 | $135,406,702 | +$12,727,100 | +10.37% | |
| Pnc Financial Services Group, Inc. | 0.08% | 375,964 | $119,582,851 | $138,741,995 | +$19,159,144 | +16.02% | |
| Envestnet Asset Management Inc | 0.03% | 348,748 | $110,926,324 | $128,698,474 | +$17,772,150 | +16.02% | |
| Northwestern Mutual Wealth Management Co | 0.05% | 272,496 | $86,672,551 | $100,559,199 | +$13,886,648 | +16.02% | |
| Cm Wealth Advisors Llc | 16.37% | 241,705 | $76,879,109 | $89,196,396 | +$12,317,287 | +16.02% | |
| Royal Bank Of Canada | 0.01% | 226,754 | $72,125,000 | $83,679,029 | +$11,554,029 | +16.02% | |
| Sns Financial Group, Llc | 6.08% | 221,694 | $70,514,091 | $81,811,737 | +$11,297,646 | +16.02% | |
| Commonwealth Equity Services, Llc | 0.09% | 188,118 | $68,826,563 | $69,421,186 | +$594,623 | +0.86% | |
| Bank Of Montreal | 0.02% | 177,232 | $56,372,183 | $65,403,925 | +$9,031,742 | +16.02% | |
| Alps Advisors Inc | 0.26% | 153,517 | $56,167,265 | $56,652,379 | +$485,114 | +0.86% | |
| Signaturefd, Llc | 0.74% | 151,179 | $55,311,759 | $55,789,586 | +$477,827 | +0.86% | |
| Aqr Capital Management Llc | 0.02% | 171,013 | $54,394,070 | $63,108,927 | +$8,714,857 | +16.02% | |
| Ensign Peak Advisors, Inc | 0.10% | 170,477 | $54,223,619 | $62,911,127 | +$8,687,508 | +16.02% | |
| Fmr Llc | 0.00% | 169,240 | $53,830,225 | $62,454,637 | +$8,624,412 | +16.02% | |
| Cerity Partners Llc | 0.08% | 166,480 | $52,951,861 | $61,436,114 | +$8,484,253 | +16.02% | |
| Onedigital Investment Advisors Llc | 0.51% | 163,435 | $51,983,870 | $60,312,418 | +$8,328,548 | +16.02% | |
| Mariner, Llc | 0.06% | 162,861 | $51,673,310 | $60,100,595 | +$8,427,285 | +16.31% | |
| Cwm, Llc | 0.13% | 155,867 | $49,576,750 | $57,519,599 | +$7,942,849 | +16.02% | |
| Sanctuary Advisors, Llc | 0.26% | 151,708 | $48,253,860 | $55,984,803 | +$7,730,943 | +16.02% | |
| Quantinno Capital Management Lp | 0.07% | 137,870 | $43,852,401 | $50,878,166 | +$7,025,765 | +16.02% | |
| Osaic Holdings, Inc. | 0.06% | 137,304 | $43,736,228 | $50,669,295 | +$6,933,067 | +15.85% | |
| Agf Management Ltd | 0.19% | 135,725 | $43,170,050 | $50,086,597 | +$6,916,547 | +16.02% | |
| Dorsey & Whitney Trust Co Llc | 2.18% | 124,548 | $39,614,982 | $45,961,948 | +$6,346,966 | +16.02% | |
| Franklin Resources Inc | 0.01% | 124,018 | $39,446,406 | $45,766,363 | +$6,319,957 | +16.02% | |
| Cetera Investment Advisers | 0.04% | 120,848 | $38,438,252 | $44,596,537 | +$6,158,285 | +16.02% | |
| Oakworth Capital, Inc. | 1.75% | 100,765 | $36,866,892 | $37,185,308 | +$318,416 | +0.86% | |
| Integrated Wealth Concepts Llc | 0.29% | 114,129 | $36,300,959 | $42,117,025 | +$5,816,066 | +16.02% | |
| Financial Partners Group, Inc | 4.30% | 113,101 | $35,973,924 | $41,737,662 | +$5,763,738 | +16.02% | |
| Steward Partners Investment Advisory, Llc | 0.16% | 96,188 | $30,594,412 | $35,496,258 | +$4,901,846 | +16.02% | |
| Financial Enhancement Group Llc | 3.61% | 82,739 | $30,271,854 | $30,533,173 | +$261,319 | +0.86% | |
| Brown Advisory Inc | 0.05% | 94,791 | $30,150,309 | $34,980,723 | +$4,830,414 | +16.02% | |
| Harbour Trust & Investment Management Co | 2.87% | 81,530 | $29,829,381 | $30,087,016 | +$257,635 | +0.86% | |
| Pathstone Holdings, Llc | 0.11% | 90,586 | $28,812,699 | $33,428,952 | +$4,616,253 | +16.02% | |
| Ackerman Asset Management, Llc | 19.44% | 87,574 | $27,854,662 | $32,317,433 | +$4,462,771 | +16.02% | |
| &Partners | 0.14% | 87,360 | $27,792,588 | $32,238,461 | +$4,445,873 | +16.00% | |
| Rockefeller Capital Management L.P. | 0.05% | 86,718 | $27,582,938 | $32,001,544 | +$4,418,606 | +16.02% |
Frequently asked questions about OEF
Who owns the most OEF stock?
The largest holders of OEF 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 S&P 100 ETF (OEF).
Is OEF widely held by superinvestors?
Many widely followed stocks like OEF appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly OEF 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.