SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 464 filers reported holding SPDR SER TR in Q3 2018. The put-call ratio across all filers is 2.57 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2018 | $1,230,000 | -3.9% | 12,925 | -11.4% | 2.68% | +4.0% |
| Q1 2018 | $1,280,000 | +3.3% | 14,595 | 0.0% | 2.57% | +8.2% |
| Q4 2017 | $1,239,000 | -4.5% | 14,595 | -2.7% | 2.38% | -5.4% |
| Q3 2017 | $1,298,000 | +12.2% | 14,995 | 0.0% | 2.51% | +12.1% |
| Q2 2017 | $1,157,000 | -13.1% | 14,995 | -21.9% | 2.24% | -13.2% |
| Q1 2017 | $1,331,000 | +57.3% | 19,195 | +34.4% | 2.58% | +49.6% |
| Q4 2016 | $846,000 | -6.7% | 14,285 | +4.4% | 1.73% | -2.9% |
| Q3 2016 | $907,000 | – | 13,685 | – | 1.78% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| QCM Cayman, Ltd. | 2,906 | $225,000 | 38.53% |
| Aquilo Capital Management, LLC | 1,000,000 | $77,440,000 | 30.18% |
| Ghost Tree Capital, LLC | 737,500 | $57,112,000 | 15.15% |
| MASTERS CAPITAL MANAGEMENT LLC | 1,500,000 | $116,160,000 | 13.48% |
| CUMBERLAND ADVISORS INC | 207,509 | $16,069,000 | 6.55% |
| PURA VIDA INVESTMENTS, LLC | 620,000 | $48,013,000 | 5.70% |
| Atika Capital Management LLC | 355,000 | $27,491,000 | 5.27% |
| SPHERA FUNDS MANAGEMENT LTD. | 500,000 | $38,720,000 | 4.84% |
| Main Management ETF Advisors, LLC | 200,750 | $15,546,000 | 3.72% |
| McGuire Investment Group, LLC | 114,656 | $8,879,000 | 3.69% |