SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 454 filers reported holding SPDR SER TR in Q2 2019. The put-call ratio across all filers is 2.05 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $11,000 | -15.4% | 100 | 0.0% | 0.00% | -50.0% |
| Q3 2021 | $13,000 | +1200.0% | 100 | +525.0% | 0.00% | – |
| Q1 2020 | $1,000 | -80.0% | 16 | -70.9% | 0.00% | -100.0% |
| Q4 2019 | $5,000 | +400.0% | 55 | +243.8% | 0.00% | – |
| Q3 2019 | $1,000 | 0.0% | 16 | 0.0% | 0.00% | – |
| Q2 2019 | $1,000 | -97.8% | 16 | -97.8% | 0.00% | -100.0% |
| Q3 2015 | $46,000 | – | 735 | – | 0.02% | – |
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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% |