SPDR S&P 500 ETF TR's ticker is and the CUSIP is 78462F903. A total of 19 filers reported holding SPDR S&P 500 ETF TR in Q1 2015. The put-call ratio across all filers is - and the average weighting 5.4%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| StratiFi, LLC | 1,162,400 | $281,069,000 | 61.14% |
| Virtu KCG Holdings LLC | 1,893,600 | $457,872,000 | 12.71% |
| Marathon Trading Investment Management LLC | 273,300 | $66,084,000 | 12.24% |
| Timber Hill LLC | 1,007,200 | $243,541,000 | 9.20% |
| WHITEBOX ADVISORS LLC | 500,000 | $120,900,000 | 4.87% |
| HBK INVESTMENTS L P | 2,219,200 | $536,603,000 | 3.37% |
| CIBC WORLD MARKETS CORP | 364,000 | $88,015,000 | 0.93% |
| SIMPLEX TRADING, LLC | 25,686 | $20,244,000 | 0.88% |
| TLP GROUP LLC | 67,500 | $795,000 | 0.74% |
| Hudson Bay Capital Management LP | 100,000 | $24,180,000 | 0.49% |