LABORATORY CORP AMER HLDGS's ticker is and the CUSIP is 50540R909. A total of 3 filers reported holding LABORATORY CORP AMER HLDGS in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2013 | $292,000 | – | 3,200 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SIMPLEX TRADING, LLC | 27,700 | $6,684 | 0.01% |
| SG Americas Securities, LLC | 28,000 | $355 | 0.00% |
| JANE STREET GROUP, LLC | 27,600 | $6,660,708 | 0.00% |
| JPMORGAN CHASE & CO | 1,500 | $361,995 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |