ISHARES BIOTECHNOLOGY ETF (IBB) Institutional Shareholders
ISHARES BIOTECHNOLOGY ETF (IBB) 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 $6.43B in IBB holdings during the latest filing period.
Bank Of America Corp is currently the largest disclosed institutional shareholder of IBB tracked by InsiderSet, reporting ownership valued at approximately $1.23B 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 $1.39B, representing an estimated gain of +13.59% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 63% of the total disclosed IBB value among the investors covered in this analysis. Major shareholders include Bank Of America Corp, Citigroup Inc, Morgan Stanley, and several other long-term asset managers with concentrated positions in ISHARES BIOTECHNOLOGY ETF (IBB).
This page ranks the largest institutional IBB 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
941
Total Reported Value
$6.43B
Largest Holder
Bank Of America Corp
Largest Position
$1.23B
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
45
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 | 0.09% | 7,259,501 | $1,225,766,758 | $1,392,372,292 | +$166,605,534 | +13.59% | |
| Citigroup Inc | 0.42% | 4,760,709 | $905,439,324 | $913,103,986 | +$7,664,662 | +0.85% | |
| Morgan Stanley | 0.03% | 2,773,467 | $468,300,256 | $531,950,971 | +$63,650,715 | +13.59% | |
| Bnp Paribas Financial Markets | 0.27% | 2,429,567 | $410,232,388 | $465,990,951 | +$55,758,563 | +13.59% | |
| Goldman Sachs Group Inc | 0.03% | 1,275,806 | $215,419,855 | $244,699,591 | +$29,279,736 | +13.59% | |
| Envestnet Asset Management Inc | 0.05% | 1,122,659 | $213,518,446 | $215,325,996 | +$1,807,550 | +0.85% | |
| Raymond James Financial Inc | 0.05% | 1,029,709 | $173,866,376 | $197,498,186 | +$23,631,810 | +13.59% | |
| Commerce Bank | 0.72% | 881,632 | $148,863,562 | $169,097,018 | +$20,233,456 | +13.59% | |
| Wells Fargo & Company/Mn | 0.03% | 854,345 | $144,256,149 | $163,863,371 | +$19,607,222 | +13.59% | |
| Ubs Group Ag | 0.02% | 814,290 | $137,492,866 | $156,180,822 | +$18,687,956 | +13.59% | |
| Truist Financial Corp | 0.15% | 677,353 | $128,825,749 | $129,916,305 | +$1,090,556 | +0.85% | |
| Westend Advisors, Llc | 2.78% | 655,852 | $124,744,693 | $125,792,414 | +$1,047,721 | +0.84% | |
| Royal Bank Of Canada | 0.02% | 737,128 | $124,464,000 | $141,381,150 | +$16,917,150 | +13.59% | |
| Lpl Financial Llc | 0.03% | 724,989 | $122,414,422 | $139,052,890 | +$16,638,468 | +13.59% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.17% | 596,000 | $100,634,600 | $114,312,800 | +$13,678,200 | +13.59% | |
| Two Sigma Investments, Lp | 0.08% | 557,807 | $94,185,712 | $106,987,383 | +$12,801,671 | +13.59% | |
| Barclays Plc | 0.03% | 450,734 | $76,106,436 | $86,450,781 | +$10,344,345 | +13.59% | |
| D. E. Shaw & Co., Inc. | 0.05% | 389,056 | $65,692,106 | $74,620,941 | +$8,928,835 | +13.59% | |
| Jefferies Financial Group Inc. | 0.62% | 302,307 | $51,044,505 | $57,982,483 | +$6,937,978 | +13.59% | |
| Pnc Financial Services Group, Inc. | 0.03% | 277,425 | $46,843,289 | $53,210,115 | +$6,366,826 | +13.59% | |
| Victory Capital Management Inc | 0.02% | 226,236 | $38,199,955 | $43,392,065 | +$5,192,110 | +13.59% | |
| Stifel Financial Corp | 0.02% | 157,318 | $26,564,604 | $30,173,592 | +$3,608,988 | +13.59% | |
| Commonwealth Equity Services, Llc | 0.03% | 137,834 | $26,214,727 | $26,436,561 | +$221,834 | +0.85% | |
| Cornerstone Advisors, Llc | 0.92% | 148,027 | $24,994,359 | $28,391,579 | +$3,397,220 | +13.59% | |
| Rockefeller Capital Management L.P. | 0.04% | 136,949 | $23,124,025 | $26,266,818 | +$3,142,793 | +13.59% | |
| Albion Financial Group | 1.32% | 119,635 | $22,753,461 | $22,945,993 | +$192,532 | +0.85% | |
| Generali Investments Cee, Investicni Spolecnost, A.S. | 1.05% | 116,115 | $22,083,912 | $22,270,857 | +$186,945 | +0.85% | |
| Cetera Investment Advisers | 0.02% | 128,530 | $21,702,211 | $24,652,054 | +$2,949,843 | +13.59% | |
| Focus Partners Wealth | 0.02% | 123,319 | $20,822,729 | $23,652,584 | +$2,829,855 | +13.59% | |
| Ameriprise Financial Inc | 0.00% | 115,088 | $19,436,737 | $22,073,878 | +$2,637,141 | +13.57% | |
| Erste Asset Management Gmbh | 0.13% | 102,330 | $17,342,761 | $19,626,894 | +$2,284,133 | +13.17% | |
| Mml Investors Services, Llc | 0.05% | 98,967 | $16,710,596 | $18,981,871 | +$2,271,275 | +13.59% | |
| Investment House Llc | 0.86% | 97,654 | $16,488,878 | $18,730,037 | +$2,241,159 | +13.59% | |
| Assetmark, Inc | 0.03% | 85,289 | $16,221,132 | $16,358,430 | +$137,298 | +0.85% | |
| Osaic Holdings, Inc. | 0.02% | 95,031 | $16,054,049 | $18,226,946 | +$2,172,897 | +13.53% | |
| Mai Capital Management | 0.08% | 81,832 | $13,817,305 | $15,695,378 | +$1,878,073 | +13.59% | |
| Capital Fund Management S.A. | 0.12% | 81,298 | $13,727,167 | $15,592,956 | +$1,865,789 | +13.59% | |
| Factory Mutual Insurance Co | 0.13% | 71,000 | $13,503,490 | $13,617,800 | +$114,310 | +0.85% | |
| Bronte Capital Management Pty Ltd. | 1.41% | 65,807 | $12,515,833 | $12,621,783 | +$105,950 | +0.85% | |
| Creative Planning | 0.01% | 72,434 | $12,230,518 | $13,892,841 | +$1,662,323 | +13.59% | |
| Cumberland Advisors Inc | 4.29% | 64,018 | $12,175,583 | $12,278,652 | +$103,069 | +0.85% | |
| Ntv Asset Management Llc | 1.19% | 63,985 | $12,169,323 | $12,272,323 | +$103,000 | +0.85% | |
| Cerity Partners Llc | 0.02% | 69,763 | $11,779,792 | $13,380,543 | +$1,600,751 | +13.59% | |
| Folger Nolan Fleming Douglas Capital Management, Inc | 0.95% | 61,030 | $11,607,345 | $11,705,554 | +$98,209 | +0.85% | |
| Horizon Wealth Management, Llc | 1.46% | 60,285 | $11,465,582 | $11,562,663 | +$97,081 | +0.85% | |
| Apella Capital, Llc | 0.16% | 57,530 | $11,404,083 | $11,034,254 | -$369,829 | -3.24% | |
| Dafna Capital Management Llc | 2.39% | 62,095 | $10,484,741 | $11,909,821 | +$1,425,080 | +13.59% | |
| Manufacturers Life Insurance Company, The | 0.01% | 62,078 | $10,481,870 | $11,906,560 | +$1,424,690 | +13.59% | |
| Beacon Pointe Advisors, Llc | 0.06% | 62,066 | $10,479,848 | $11,904,259 | +$1,424,411 | +13.59% | |
| Pictet Asset Management Holding Sa | 0.01% | 54,950 | $10,428,961 | $10,539,410 | +$110,449 | +1.06% |
Frequently asked questions about IBB
Who owns the most IBB stock?
The largest holders of IBB 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 BIOTECHNOLOGY ETF (IBB).
Is IBB widely held by superinvestors?
Many widely followed stocks like IBB appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IBB 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.