ISHARES TR's ticker is and the CUSIP is 464287905. A total of 10 filers reported holding ISHARES TR in Q1 2015. The put-call ratio across all filers is - and the average weighting 3.1%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| PICTON MAHONEY ASSET MANAGEMENT | 800,000 | $149,816 | 6.46% |
| Potomac Capital Management, Inc. | 20,000 | $3,745,400 | 3.84% |
| Twin Tree Management, LP | 7,378,000 | $1,137,837,740 | 1.75% |
| CTC LLC | 172,323 | $3,227,092,821 | 1.68% |
| Brevan Howard Capital Management LP | 425,000 | $79,589,750 | 1.66% |
| AKUNA SECURITIES LLC | 662,000 | $123,972,740 | 1.29% |
| Optiver Holding B.V. | 8,582,700 | $1,607,282,229 | 1.14% |
| IMC-Chicago, LLC | 5,734,400 | $1,048,643,165 | 0.96% |
| JANE STREET GROUP, LLC | 16,269,100 | $2,388,411,880 | 0.80% |
| Maven Securities LTD | 162,500 | $20,561,415 | 0.31% |