SPDR S&P 500 ETF TR's ticker is and the CUSIP is 78462F903. A total of 21 filers reported holding SPDR S&P 500 ETF TR in Q3 2017. The put-call ratio across all filers is 0.01 and the average weighting 4.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| AKUNA SECURITIES LLC | 5,718,700 | $2,187,002 | 29.15% |
| Quarry LP | 265,000 | $101,343,950 | 22.54% |
| CTC LLC | 575,487 | $22,007,851 | 16.63% |
| Optiver Holding B.V. | 39,802,000 | $15,242,933,338 | 15.75% |
| IMC-Chicago, LLC | 23,449,700 | $8,967,868,771 | 14.01% |
| Garda Capital Partners LP | 508,400 | $194,427,412 | 10.74% |
| Saltoro Capital, LP | 35,000 | $13,385,050 | 10.68% |
| Maven Securities LTD | 1,083,500 | $414,362,905 | 9.37% |
| Swan Global Investments, LLC | 500,300 | $218,646 | 8.56% |
| Twin Tree Management, LP | 8,385,100 | $3,206,713,732 | 6.94% |