SPDR SER TR's ticker is XBI and the CUSIP is 78464A870. A total of 376 filers reported holding SPDR SER TR in Q3 2017. The put-call ratio across all filers is 1.75 and the average weighting 0.6%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $223,823,000 | +36.0% | 1,650,000 | +41.1% | 6.38% | +6.6% |
| Q4 2020 | $164,586,000 | +47.3% | 1,169,100 | +16.6% | 5.98% | +3.9% |
| Q3 2020 | $111,754,000 | +200.7% | 1,002,900 | +202.1% | 5.76% | +61.1% |
| Q2 2020 | $37,167,000 | -22.6% | 332,000 | -46.5% | 3.58% | -37.3% |
| Q1 2020 | $48,013,000 | +17.9% | 620,000 | +44.9% | 5.70% | +59.2% |
| Q4 2019 | $40,707,000 | +255.9% | 428,000 | +185.3% | 3.58% | +83.3% |
| Q3 2019 | $11,438,000 | +152.7% | 150,000 | +200.0% | 1.95% | +203.4% |
| Q1 2019 | $4,527,000 | -5.6% | 50,000 | 0.0% | 0.64% | -36.1% |
| Q3 2018 | $4,794,000 | -49.6% | 50,000 | -50.0% | 1.01% | -73.6% |
| Q2 2018 | $9,519,000 | +28.2% | 100,000 | +14.3% | 3.82% | +22.8% |
| Q4 2017 | $7,426,000 | +71.5% | 87,500 | +75.0% | 3.11% | +145.2% |
| Q3 2017 | $4,329,000 | -27.5% | 50,000 | -41.2% | 1.27% | -49.7% |
| Q4 2015 | $5,967,000 | +71.1% | 85,000 | +354.5% | 2.52% | +96.3% |
| Q4 2014 | $3,487,000 | – | 18,700 | – | 1.28% | – |
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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% |