SPDR S&P MIDCAP 400 ETF TR's ticker is and the CUSIP is 78467Y907. A total of 4 filers reported holding SPDR S&P MIDCAP 400 ETF TR in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $864,000 | – | 2,500 | – | 0.15% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Twin Tree Management, LP | 315,000 | $126,523,000 | 0.24% |
| GROUP ONE TRADING, L.P. | 20,900 | $8,395,000 | 0.02% |
| JANE STREET GROUP, LLC | 42,400 | $17,030,000 | 0.01% |
| SIMPLEX TRADING, LLC | 9,500 | $3,815,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |