CUSIP 464287955
ISHARES TR
74 institutions · $45.55B total · 218,961,824 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 80,422,400 | $15.28B | 36.72% | 2024-06-30 |
| 2 | Optiver Holding B.V. | 37,180,800 | $9.15B | 16.98% | 2025-12-31 |
| 3 | CTC LLC | 277,591 | $4.91B | 0.12% | 2023-12-31 |
| 4 | IMC-Chicago, LLC | 19,473,500 | $4.79B | 8.89% | 2025-12-31 |
| 5 | JPMORGAN CHASE & CO | 13,556,800 | $3.34B | 6.19% | 2025-12-31 |
| 6 | 1832 Asset Management L.P. | 10,000,000 | $2.03B | 4.56% | 2024-06-30 |
| 7 | Allianz Asset Management GmbH | 14,916,700 | $1.46B | 6.81% | 2023-12-31 |
| 8 | Irenic Capital Management LP | 2,940,900 | $723.9M | 1.34% | 2025-12-31 |
| 9 | AKUNA SECURITIES LLC | 2,913,300 | $717.1M | 1.33% | 2025-12-31 |
| 10 | Bracebridge Capital, LLC | 20,615 | $507.5M | 0.00% | 2025-12-31 |
| 11 | Twin Tree Management, LP | 2,579,400 | $455.9M | 1.17% | 2023-12-31 |
| 12 | Gladius Capital Management LP | 5,400,000 | $437.4M | 2.46% | 2023-12-31 |
| 13 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | 1,500,000 | $369.2M | 0.68% | 2025-12-31 |
| 14 | Cartenna Capital, LP | 1,500,000 | $362.9M | 0.68% | 2025-09-30 |
| 15 | Oasis Management Co Ltd. | 806,800 | $195.2M | 0.36% | 2025-09-30 |
| 16 | PURA VIDA INVESTMENTS, LLC | 705,000 | $148.3M | 0.32% | 2024-03-31 |
| 17 | OnyxPoint Global Management LP | 498,800 | $120.7M | 0.22% | 2025-09-30 |
| 18 | RIPOSTE CAPITAL LLC | 300,000 | $73.8M | 0.13% | 2025-12-31 |
| 19 | West Tower Group, LLC | 4,000 | $70.7M | 0.00% | 2023-12-31 |
| 20 | Permian Investment Partners, LP | 329,200 | $69.2M | 0.15% | 2024-03-31 |
| 21 | Brevan Howard Capital Management LP | 325,000 | $60.9M | 0.14% | 2023-09-30 |
| 22 | Maven Securities LTD | 217,700 | $53.6M | 0.09% | 2025-12-31 |
| 23 | Quarry LP | 180,000 | $31.8M | 0.08% | 2023-12-31 |
| 24 | GARDA CAPITAL PARTNERS LP | 127,500 | $27.5M | 0.05% | 2025-06-30 |
| 25 | Tenzing Global Management, LLC | 150,000 | $26.8M | 0.06% | 2023-06-30 |
| 26 | All Terrain Financial Advisors, LLC | 94,100 | $23.2M | 0.04% | 2025-12-31 |
| 27 | Saltoro Capital, LP | 80,000 | $16.8M | 0.03% | 2024-03-31 |
| 28 | SABBY MANAGEMENT, LLC | 650 | $16.0M | 0.00% | 2025-12-31 |
| 29 | GROUP ONE TRADING, L.P. | 98,000 | $10.4M | 0.04% | 2025-12-31 |
| 30 | GARDNER LEWIS ASSET MANAGEMENT L P | 28,800 | $9.8M | 0.01% | 2023-12-31 |
| 31 | GeoSphere Capital Management, LLC | 40,000 | $7.5M | 0.01% | 2023-09-30 |
| 32 | Segantii Capital Management Ltd | 300 | $5.4M | 0.00% | 2023-06-30 |
| 33 | RH Tailwind Management, LLC | 20,000 | $4.9M | 0.00% | 2025-12-31 |
| 34 | Warberg Asset Management LLC | 26,000 | $4.9M | 0.01% | 2023-09-30 |
| 35 | Granite Point Capital Management, L.P. | 27,500 | $4.8M | 0.01% | 2023-03-31 |
| 36 | Prosight Management, LP | 19,000 | $4.2M | 0.00% | 2024-09-30 |
| 37 | Ancora Advisors, LLC | 2,400 | $3.9M | 0.00% | 2025-12-31 |
| 38 | Waterloo Capital, L.P. | 13,700 | $3.4M | 0.00% | 2025-12-31 |
| 39 | CIBC WORLD MARKETS CORP | 41,640 | $3.1M | 0.01% | 2024-12-31 |
| 40 | Genoa Capital Gestora de Recursos Ltda. | 6,960 | $2.8M | 0.00% | 2025-03-31 |
| 41 | Potomac Capital Management, Inc. | 15,000 | $2.8M | 0.00% | 2023-09-30 |
| 42 | HG Vora Capital Management, LLC | 2,500,000 | $2.8M | 1.14% | 2024-03-31 |
| 43 | CenterStar Asset Management, LLC | 10,600 | $2.6M | 0.00% | 2025-12-31 |
| 44 | Starboard Value LP | 1,100,000 | $2.0M | 0.50% | 2023-03-31 |
| 45 | BRASADA CAPITAL MANAGEMENT, LP | 7,500 | $1.8M | 0.00% | 2025-12-31 |
| 46 | Repertoire Partners LP | 9,465,900 | $1.7M | 4.32% | 2023-06-30 |
| 47 | Sender Co & Partners, Inc. | 6,900 | $1.5M | 0.00% | 2025-06-30 |
| 48 | Swan Global Investments, LLC | 6,200 | $1.2M | 0.00% | 2025-12-31 |
| 49 | Rosalind Advisors, Inc. | 200,000 | $1.1M | 0.09% | 2025-12-31 |
| 50 | BW Gestao de Investimentos Ltda. | 8,000 | $1.0M | 0.00% | 2023-12-31 |
| 51 | Forge First Asset Management Inc. | 4,750 | $842.3K | 0.00% | 2023-09-30 |
| 52 | EVR Research LP | 3,000 | $477.0K | 0.00% | 2024-03-31 |
| 53 | Arena Investors LP | 923 | $356.3K | 0.00% | 2023-12-31 |
| 54 | CHESAPEAKE ASSET MANAGEMENT LLC | 550 | $307.7K | 0.00% | 2025-12-31 |
| 55 | Magnetar Financial LLC | 443,000 | $253.4K | 0.20% | 2024-06-30 |
| 56 | PING CAPITAL MANAGEMENT, INC. | 1,000 | $246.2K | 0.00% | 2025-12-31 |
| 57 | Sepio Capital, LP | 500 | $244.8K | 0.00% | 2023-09-30 |
| 58 | Coastal Bridge Advisors, LLC | 2,500 | $223.5K | 0.00% | 2025-06-30 |
| 59 | COOPER CREEK PARTNERS MANAGEMENT LLC | 836,000 | $166.8K | 0.38% | 2025-03-31 |
| 60 | CLEAR STREET MARKETS LLC | 1,100 | $105.6K | 0.00% | 2025-12-31 |
| 61 | NWI MANAGEMENT LP | 500,000 | $89.2K | 0.22% | 2023-06-30 |
| 62 | Northwest & Ethical Investments L.P. | 49,400 | $56.8K | 0.02% | 2025-12-31 |
| 63 | Whetstone Capital Advisors, LLC | 430,000 | $43.1K | 0.19% | 2024-12-31 |
| 64 | PICTON MAHONEY ASSET MANAGEMENT | 125,000 | $27.0K | 0.05% | 2025-06-30 |
| 65 | SG Americas Securities, LLC | 6,365,000 | $20.0K | 2.90% | 2025-12-31 |
| 66 | Itau Unibanco Holding S.A. | 41,068 | $17.9K | 0.01% | 2025-03-31 |
| 67 | Truxt Investmentos Ltda. | 252 | $6.6K | 0.00% | 2025-12-31 |
| 68 | Coordinated Financial Services, Inc. | 7 | $6.2K | 0.00% | 2025-12-31 |
| 69 | Persistent Asset Partners Ltd | 60 | $5.1K | 0.00% | 2025-12-31 |
| 70 | HRT FINANCIAL LP | 11,600 | $1.1K | 0.00% | 2025-09-30 |
| 71 | ADVISOR GROUP HOLDINGS, INC. | 8 | $409 | 0.00% | 2025-06-30 |
| 72 | Sagil Capital LLP | 550 | $301 | 0.00% | 2023-06-30 |
| 73 | CI INVESTMENTS INC. | 400 | $36 | 0.00% | 2025-06-30 |
| 74 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-06-30 |