SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 422 filers reported holding SPDR SER TR in Q4 2017. The put-call ratio across all filers is 3.55 and the average weighting 0.6%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| TradeLink Capital LLC | 60,000 | $4,456,000 | 100.00% |
| Aquilo Capital Management, LLC | 750,000 | $55,703,000 | 19.01% |
| Ghost Tree Capital, LLC | 400,000 | $29,708,000 | 15.47% |
| DAFNA Capital Management LLC | 613,000 | $45,528,000 | 12.41% |
| MASTERS CAPITAL MANAGEMENT LLC | 3,000,000 | $222,810,000 | 10.42% |
| AMS Capital Ltda | 232,905 | $17,298,000 | 9.14% |
| Q Global Advisors, LLC | 155,193 | $11,526,000 | 8.94% |
| Main Management Fund Advisors LLC | 148,900 | $11,059,000 | 7.82% |
| CHIRON CAPITAL MANAGEMENT, LLC | 166,826 | $12,390,000 | 7.82% |
| J.Safra Asset Management Corp | 33,068 | $445,000 | 7.60% |