SUPERIOR DRILLING PRODS INC's ticker is SDPI and the CUSIP is 868153107. A total of 18 filers reported holding SUPERIOR DRILLING PRODS INC in Q4 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Adirondack Research & Management Inc. | 616,733 | $907,000 | 0.36% |
| BARD ASSOCIATES INC | 33,500 | $49,000 | 0.02% |
| WOODSTOCK CORP | 83,042 | $122,000 | 0.02% |
| OAKVIEW CAPITAL MANAGEMENT, L.P. | 26,519 | $39,000 | 0.02% |
| Evanson Asset Management, LLC | 30,000 | $44,000 | 0.01% |
| GAM Holding AG | 180,000 | $265,000 | 0.01% |
| Virtu Financial LLC | 26,059 | $38,000 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 56,000 | $82,000 | 0.00% |
| GOLDMAN SACHS GROUP INC | 56,361 | $83,000 | 0.00% |
| BlackRock Inc. | 3,961 | $6,000 | 0.00% |