ALPHATEC HOLDINGS INC's ticker is ATEC and the CUSIP is 02081G102. A total of 71 filers reported holding ALPHATEC HOLDINGS INC in Q3 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| StepStone Group LP | 1,344,179 | $2,702,000 | 1.21% |
| PARADIGM CAPITAL MANAGEMENT INC/NY | 7,668,800 | $15,414,000 | 0.93% |
| PERKINS CAPITAL MANAGEMENT INC | 385,150 | $774,000 | 0.52% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 3,982,738 | $8,005,000 | 0.42% |
| CHUBB CORP | 2,302,070 | $4,627,000 | 0.26% |
| DRILL CRAIG A | 92,800 | $187,000 | 0.16% |
| Verition Fund Management LLC | 334,869 | $673,000 | 0.12% |
| Formidable Asset Management, LLC | 67,231 | $155,000 | 0.10% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 351,601 | $707,000 | 0.10% |
| MENTA CAPITAL LLC | 90,181 | $181,000 | 0.08% |