MALLINCKRODT PUB LTD CO's ticker is and the CUSIP is G5785G957. A total of 3 filers reported holding MALLINCKRODT PUB LTD CO in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2017 | $33,000 | – | 1,457 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| B. Riley Financial, Inc. | 125,000 | $1,975,000 | 1.09% |
| GROUP ONE TRADING, L.P. | 842,800 | $13,316,000 | 0.12% |
| SIMPLEX TRADING, LLC | 1,303 | $2,058,000 | 0.01% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |