SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 689 filers reported holding SPDR SER TR in Q2 2021. The put-call ratio across all filers is 1.79 and the average weighting 0.4%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Soleus Capital Management, L.P. | 1,292,000 | $144,652,000 | 14.48% |
| Boxer Capital, LLC | 2,200,000 | $246,312,000 | 9.57% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 200,000 | $22,392,000 | 9.08% |
| Ikarian Capital, LLC | 542,400 | $60,727,000 | 9.05% |
| Trellus Management Company, LLC | 100,000 | $11,196,000 | 7.45% |
| Aurora Investment Managers, LLC. | 67,391 | $7,545,000 | 7.22% |
| Bronte Capital Management Pty Ltd. | 948,200 | $106,160,000 | 7.00% |
| CUMBERLAND ADVISORS INC | 253,214 | $28,350,000 | 5.94% |
| Atom Investors LP | 311,169 | $34,838,000 | 5.84% |
| AMS Capital Ltda | 232,905 | $26,076,000 | 5.83% |