ISHARES TR's ticker is IBB and the CUSIP is 464287556. A total of 635 filers reported holding ISHARES TR in Q4 2017. The put-call ratio across all filers is 2.24 and the average weighting 0.4%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Elliott Investment Management L.P. | 4,617,600 | $564,686,304 | 4.37% |
| BOULDER HILL CAPITAL MANAGEMENT LP | 57,250 | $7,001,103 | 4.35% |
| DAFNA Capital Management LLC | 102,500 | $12,534,725 | 3.90% |
| Michelson Medical Research Foundation, Inc. | 43,395 | $5,306,775 | 3.58% |
| Rye Brook Capital LLC | 40,900 | $5,002 | 3.56% |
| Bronte Capital Management Pty Ltd. | 283,229 | $34,636,074 | 3.49% |
| FWL INVESTMENT MANAGEMENT, LLC | 39,504 | $4,830,944 | 3.24% |
| Alpha Family Trust | 34,568 | $4,227,321 | 3.22% |
| HARBOUR INVESTMENT MANAGEMENT LLC | 40,720 | $4,985,830 | 2.85% |
| CUMBERLAND ADVISORS INC | 51,490 | $6,296,712 | 2.79% |