IBB · iShares Biotechnology ETF ETF
$211.92
-1.89 (-0.88%)
At close · Sep 4
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 547
Total Value: $7,195,477,407
Total Shares: 37,885,320
Showing 1–100
of 564 holdings by value
· page 1 of 6
Institutional Ownership Trend
26 quarters
Holder Concentration
Across 547 13F filers · Δ vs Mar 31, 2026Top Holder
18.2%
+1.5 pts
Top 5
49.6%
+3.5 pts
Top 10
63.6%
+5.4 pts
HHI
696
Broadly held+112
Quarterly Activity
vs Mar 31, 2026
New
70
Increased
149
Decreased
181
Sold Out
445
Unchanged
147
Holder count:
-375
Institutional value:
-2.0%
Shares held:
-12.9%
Top Buyers
vs Mar 31, 2026| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Mega TWO SIGMA INVESTMENTS, LP | +1,030,300 | 1,588,107 | |
| Large PEAK6 LLC | +830,697 | 833,100 | |
| Mega MORGAN STANLEY | +547,510 | 3,320,977 | |
| Mega WELLS FARGO & COMPANY/MN | +175,298 | 1,029,643 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | +130,000 | 726,000 |
Top Sellers
vs Mar 31, 2026| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Mega JPMORGAN CHASE & CO | −1,830,764 | 630,190 | |
| Large Thrivent Financial for Lutherans | −564,194 | 208,618 | |
| Mega BANK OF AMERICA CORP /DE/ | −384,370 | 6,875,131 | |
| Mega CITIGROUP INC | −361,980 | 4,760,709 | |
| Mega D. E. Shaw & Co., Inc. | −320,085 | 68,971 |
Top New Positions
vs Mar 31, 2026| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mid Itau Unibanco Holding S.A. | 98,876 | $18,805,226 | |
| Large ExodusPoint Capital Management, LP | 96,038 | $18,265,467 | |
| Large Caption Management, LLC | 64,100 | $12,191,179 | |
| Small Parker Investment Management, LLC | 54,803 | $10,422,982 | |
| Small L & S Advisors Inc | 46,044 | $8,757,108 |
Top Sold-Out Positions
vs Mar 31, 2026| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Large TRUIST FINANCIAL CORP | 666,343 | $112,512,015 | |
| Small WestEnd Advisors, LLC | 648,103 | $109,432,191 | |
| Mid Sofinnova Investments, Inc. | 475,000 | $80,203,750 | |
| Mid Cornerstone Advisors, LLC | 148,027 | $24,994,358 | |
| Micro McElhenny Sheffield Capital Management, LLC | 142,013 | $23,978,895 |
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BANK OF AMERICA CORP /DE/ Bank | $1,307,581,161 | 18.17% | 6,875,131 | Shares | 2026-08-14 | |
| Mega CITIGROUP INC | $905,439,244 | 12.58% | 4,760,709 | Shares | 2026-08-03 | |
| Mega MORGAN STANLEY | $631,616,610 | 8.78% | 3,320,977 | Shares | 2026-08-13 | |
| Mega BNP PARIBAS ARBITRAGE, SA | $421,829,818 | 5.86% | 2,217,939 | Shares | 2026-08-13 | |
| Mega TWO SIGMA INVESTMENTS, LP | $302,042,070 | 4.20% | 1,588,107 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC | $223,697,102 | 3.11% | 1,176,177 | Shares | 2026-08-14 | |
| Mega ENVESTNET ASSET MANAGEMENT INC | $213,518,515 | 2.97% | 1,122,659 | Shares | 2026-08-03 | |
| Mega RAYMOND JAMES FINANCIAL INC | $199,812,471 | 2.78% | 1,050,594 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN | $195,827,800 | 2.72% | 1,029,643 | Shares | 2026-08-14 | |
| Large COMMERCE BANK Bank | $172,942,619 | 2.40% | 909,315 | Shares | 2026-08-12 | |
| Mega UBS Group AG | $164,014,719 | 2.28% | 862,373 | Shares | 2026-08-13 | |
| Large PEAK6 LLC | $157,876,719 | 2.19% | 830,100 | Call | 2026-08-13 | |
| Mega LPL Financial LLC | $150,135,035 | 2.09% | 789,395 | Shares | 2026-08-07 | |
| Mega ROYAL BANK OF CANADA Bank | $142,575,739 | 1.98% | 749,649 | Shares | 2026-08-14 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension | $138,077,940 | 1.92% | 726,000 | Shares | 2026-08-13 | |
| Large Janney Montgomery Scott LLC | $124,268,244 | 1.73% | 653,390 | Shares | 2026-08-05 | |
| Mega JPMORGAN CHASE & CO | $119,855,834 | 1.67% | 630,190 | Shares | 2026-08-12 | |
| Mega BARCLAYS PLC | $100,086,535 | 1.39% | 526,245 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $79,613,534 | 1.11% | 418,600 | Put | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $68,886,818 | 0.96% | 362,200 | Call | 2026-08-14 | |
| Mega PNC FINANCIAL SERVICES GROUP, INC. | $59,815,701 | 0.83% | 314,505 | Shares | 2026-08-07 | |
| Large Jefferies Financial Group Inc. | $57,495,578 | 0.80% | 302,306 | Shares | 2026-08-17 | |
| Mega VICTORY CAPITAL MANAGEMENT INC | $44,563,418 | 0.62% | 234,310 | Shares | 2026-08-07 | |
| Large Thrivent Financial for Lutherans | $39,677,057 | 0.55% | 208,618 | Shares | 2026-08-14 | |
| Large STIFEL FINANCIAL CORP | $33,233,419 | 0.46% | 174,738 | Shares | 2026-08-12 | |
| Mega CITADEL ADVISORS LLC | $31,096,065 | 0.43% | 163,500 | Call | 2026-09-02 | |
| Large Rockefeller Capital Management L.P. | $27,835,447 | 0.39% | 146,356 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC | $24,941,134 | 0.35% | 131,138 | Shares | 2026-08-14 | |
| Large Focus Partners Wealth | $24,013,009 | 0.33% | 126,258 | Shares | 2026-08-12 | |
| Large Cetera Investment Advisers | $22,024,762 | 0.31% | 115,804 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $20,730,710 | 0.29% | 109,000 | Put | 2026-08-14 | |
| Large OSAIC HOLDINGS, INC. | $19,411,930 | 0.27% | 102,066 | Shares | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance | $19,368,569 | 0.27% | 101,838 | Shares | 2026-08-14 | |
| Mid Itau Unibanco Holding S.A. | $18,805,226 | 0.26% | 98,876 | Shares | 2026-08-14 | |
| Large ExodusPoint Capital Management, LP | $18,265,467 | 0.25% | 96,038 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC | $16,869,853 | 0.23% | 88,700 | Put | 2026-09-02 | |
| Large CANADA LIFE ASSURANCE Co Insurance | $16,752,886 | 0.23% | 88,085 | Shares | 2026-08-13 | |
| Large MAI Capital Management | $16,489,662 | 0.23% | 86,701 | Shares | 2026-08-14 | |
| Large MML INVESTORS SERVICES, LLC | $16,284,638 | 0.23% | 85,623 | Shares | 2026-08-07 | |
| Mega JANE STREET GROUP, LLC | $15,614,599 | 0.22% | 82,100 | Call | 2026-08-14 | |
| Large Creative Planning | $13,860,665 | 0.19% | 72,878 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $13,117,594 | 0.18% | 68,971 | Shares | 2026-08-14 | |
| Small Bronte Capital Management Pty Ltd. | $12,515,833 | 0.17% | 65,807 | Shares | 2026-08-05 | |
| Small NTV Asset Management LLC | $12,169,307 | 0.17% | 63,985 | Shares | 2026-08-05 | |
| Large Cerity Partners LLC | $12,113,960 | 0.17% | 63,694 | Shares | 2026-08-14 | |
| Mid Beacon Pointe Advisors, LLC | $12,038,456 | 0.17% | 63,297 | Shares | 2026-08-18 | |
| Small Tradition Wealth Management, LLC | $11,826,774 | 0.16% | 62,184 | Shares | 2026-08-11 | |
| Mega SG Americas Securities, LLC Broker-Dealer | $11,477,015 | 0.16% | 60,345 | Shares | 2026-08-07 | |
| Small Horizon Wealth Management, LLC | $11,465,604 | 0.16% | 60,285 | Shares | 2026-08-06 | |
| Large Corient Private Wealth LLC | $10,795,754 | 0.15% | 56,763 | Shares | 2026-08-27 | |
| Small Parker Investment Management, LLC | $10,422,982 | 0.14% | 54,803 | Shares | 2026-08-14 | |
| Large BROWN ADVISORY INC | $10,421,080 | 0.14% | 54,793 | Shares | 2026-08-14 | |
| Large CAPITAL FUND MANAGEMENT S.A. | $10,107,647 | 0.14% | 53,145 | Shares | 2026-08-13 | |
| Mid Waverly Advisors, LLC | $9,987,827 | 0.14% | 52,515 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC | $9,884,935 | 0.14% | 51,974 | Shares | 2026-08-14 | |
| Large Sanctuary Advisors, LLC | $9,795,355 | 0.14% | 51,503 | Shares | 2026-08-13 | |
| Small Humankind Investments LLC | $9,509,500 | 0.13% | 50,000 | Shares | 2026-08-14 | |
| Mid PEAPACK GLADSTONE FINANCIAL CORP | $9,500,180 | 0.13% | 49,951 | Shares | 2026-08-14 | |
| Large Steward Partners Investment Advisory, LLC | $9,190,170 | 0.13% | 48,321 | Shares | 2026-08-13 | |
| Mega Qube Research & Technologies Ltd | $8,991,802 | 0.12% | 47,278 | Shares | 2026-08-14 | |
| Mid Henshaw Capital LLC | $8,938,930 | 0.12% | 47,000 | Shares | 2026-08-12 | |
| Small L & S Advisors Inc | $8,757,108 | 0.12% | 46,044 | Shares | 2026-08-12 | |
| Large HighTower Advisors, LLC | $8,749,500 | 0.12% | 46,004 | Shares | 2026-08-05 | |
| Small DAFNA Capital Management LLC | $8,101,143 | 0.11% | 42,595 | Shares | 2026-08-14 | |
| Small SP Asset Management LLC | $7,838,300 | 0.11% | 41,213 | Shares | 2026-08-04 | |
| Mid Summit Financial, LLC | $7,552,064 | 0.10% | 39,708 | Shares | 2026-08-12 | |
| Mid MMBG INVESTMENT ADVISORS CO. | $7,158,181 | 0.10% | 37,637 | Shares | 2026-08-10 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $6,741,282 | 0.09% | 35,445 | Shares | 2026-08-12 | |
| Small BEARING POINT CAPITAL, LLC | $6,714,467 | 0.09% | 35,304 | Shares | 2026-08-11 | |
| Micro Michelson Medical Research Foundation, Inc. Endowment | $6,674,718 | 0.09% | 35,095 | Shares | 2026-08-14 | |
| Mid J. Goldman & Co LP | $6,637,631 | 0.09% | 34,900 | Put | 2026-08-14 | |
| Large Caption Management, LLC | $6,637,631 | 0.09% | 34,900 | Put | 2026-08-14 | |
| Small Addison Capital Co | $6,541,965 | 0.09% | 34,397 | Shares | 2026-08-04 | |
| Mid Williams Jones Wealth Management, LLC. | $6,450,674 | 0.09% | 33,917 | Shares | 2026-08-05 | |
| Large JONES FINANCIAL COMPANIES LLLP | $6,447,631 | 0.09% | 33,901 | Shares | 2026-08-14 | |
| Large Allspring Global Investments Holdings, LLC | $6,149,983 | 0.09% | 32,336 | Shares | 2026-08-13 | |
| Mid Equitable Holdings, Inc. | $5,996,310 | 0.08% | 31,528 | Shares | 2026-08-17 | |
| Mid Colonial Trust Advisors | $5,970,444 | 0.08% | 31,392 | Shares | 2026-08-11 | |
| Small Aristides Capital LLC | $5,782,917 | 0.08% | 30,406 | Shares | 2026-08-13 | |
| Large Mariner, LLC | $5,618,592 | 0.08% | 29,542 | Shares | 2026-08-13 | |
| Small Volterra Technologies LP | $5,571,996 | 0.08% | 29,297 | Shares | 2026-08-14 | |
| Large Caption Management, LLC | $5,553,548 | 0.08% | 29,200 | Call | 2026-08-14 | |
| Small Crescent Grove Advisors, LLC | $5,443,237 | 0.08% | 28,620 | Shares | 2026-08-10 | |
| Large FIFTH THIRD BANCORP Bank | $5,221,856 | 0.07% | 27,456 | Shares | 2026-08-05 | |
| Small Concord Investment Counsel Inc. | $5,219,764 | 0.07% | 27,445 | Shares | 2026-08-12 | |
| Mega BARCLAYS PLC | $5,211,206 | 0.07% | 27,400 | Call | 2026-08-14 | |
| Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $5,174,689 | 0.07% | 27,208 | Shares | 2026-08-12 | |
| Small Kera Capital Partners, Inc. | $5,113,448 | 0.07% | 26,886 | Shares | 2026-08-14 | |
| Small Miller Investment Management, LP | $4,762,357 | 0.07% | 25,040 | Shares | 2026-08-13 | |
| Mid Militia Capital Management LLC | $4,583,579 | 0.06% | 24,100 | Shares | 2026-08-12 | |
| Large GLENMEDE TRUST CO NA Bank | $4,488,484 | 0.06% | 23,600 | Shares | 2026-08-10 | |
| Large Gotham Asset Management, LLC | $4,473,078 | 0.06% | 23,519 | Shares | 2026-08-14 | |
| Mid Twin Tree Management, LP | $4,469,465 | 0.06% | 23,500 | Put | 2026-08-12 | |
| Large Baird Financial Group, Inc. | $4,370,565 | 0.06% | 22,980 | Shares | 2026-08-12 | |
| Small COFG Advisors, LLC | $4,330,245 | 0.06% | 22,768 | Shares | 2026-08-14 | |
| Mid OPPENHEIMER & CO INC | $4,284,600 | 0.06% | 22,528 | Shares | 2026-08-03 | |
| Large Quantinno Capital Management LP | $4,226,592 | 0.06% | 22,223 | Shares | 2026-08-13 | |
| Large RENAISSANCE TECHNOLOGIES LLC | $4,203,199 | 0.06% | 22,100 | Shares | 2026-08-13 | |
| Small Greenline Partners, LLC | $4,102,208 | 0.06% | 21,569 | Shares | 2026-08-14 | |
| Small WealthCare Investment Partners, LLC | $4,040,206 | 0.06% | 21,243 | Shares | 2026-08-10 |