ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 26 filers reported holding ALPHA PRO TECH LTD in Q1 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2020 | $557,000 | +39.2% | 46,070 | -60.5% | 0.02% | +38.5% |
| Q4 2019 | $400,000 | -5.0% | 116,670 | 0.0% | 0.01% | -18.8% |
| Q3 2019 | $421,000 | +5.8% | 116,670 | 0.0% | 0.02% | -42.9% |
| Q2 2019 | $398,000 | -5.2% | 116,670 | 0.0% | 0.03% | 0.0% |
| Q1 2019 | $420,000 | -3.0% | 116,670 | 0.0% | 0.03% | +7.7% |
| Q4 2018 | $433,000 | +38.8% | 116,670 | +25.3% | 0.03% | +62.5% |
| Q2 2018 | $312,000 | 0.0% | 93,120 | 0.0% | 0.02% | +6.7% |
| Q1 2018 | $312,000 | -16.1% | 93,120 | 0.0% | 0.02% | -21.1% |
| Q4 2017 | $372,000 | +3.6% | 93,120 | 0.0% | 0.02% | 0.0% |
| Q3 2017 | $359,000 | +30.5% | 93,120 | 0.0% | 0.02% | +35.7% |
| Q2 2017 | $275,000 | +7.4% | 93,120 | 0.0% | 0.01% | +16.7% |
| Q1 2017 | $256,000 | -21.5% | 93,120 | 0.0% | 0.01% | -25.0% |
| Q4 2016 | $326,000 | +54.5% | 93,120 | -1.4% | 0.02% | +6.7% |
| Q2 2015 | $211,000 | -1.4% | 94,400 | 0.0% | 0.02% | -11.8% |
| Q1 2015 | $214,000 | -11.9% | 94,400 | 0.0% | 0.02% | 0.0% |
| Q4 2014 | $243,000 | – | 94,400 | – | 0.02% | – |
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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% |