ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 71 filers reported holding ALPHA PRO TECH LTD in Q1 2021. The put-call ratio across all filers is 1.50 and the average weighting 0.0%.
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| NEEDHAM INVESTMENT MANAGEMENT LLC | 220,000 | $884,400 | 0.16% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 157,728 | $634 | 0.10% |
| Lion Street Advisors, LLC | 11,088 | $66,750 | 0.04% |
| Legato Capital Management LLC | 13,344 | $53,643 | 0.01% |
| Virtu Financial LLC | 11,247 | $45 | 0.01% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 52,900 | $212,658 | 0.01% |
| Renaissance Technologies | 561,463 | $2,257 | 0.00% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 17,617 | $70,820 | 0.00% |
| GROUP ONE TRADING, L.P. | 69,329 | $278,703 | 0.00% |
| PEAK6 Investments LLC | 31,600 | $127,032 | 0.00% |