ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 28 filers reported holding ALPHA PRO TECH LTD in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2021 | $0 | -100.0% | 58 | 0.0% | 0.00% | – |
| Q1 2021 | $1,000 | 0.0% | 58 | 0.0% | 0.00% | – |
| Q4 2020 | $1,000 | -99.7% | 58 | -99.8% | 0.00% | -100.0% |
| Q3 2020 | $361,000 | +581.1% | 24,423 | +719.6% | 0.00% | – |
| Q2 2020 | $53,000 | +55.9% | 2,980 | -70.0% | 0.00% | – |
| Q2 2019 | $34,000 | -5.6% | 9,930 | -1.4% | 0.00% | – |
| Q1 2019 | $36,000 | +9.1% | 10,074 | +13.5% | 0.00% | – |
| Q4 2018 | $33,000 | -17.5% | 8,874 | -22.2% | 0.00% | – |
| Q3 2018 | $40,000 | -23.1% | 11,407 | -26.5% | 0.00% | – |
| Q2 2018 | $52,000 | +8.3% | 15,521 | +9.0% | 0.00% | – |
| Q1 2018 | $48,000 | -27.3% | 14,241 | -13.2% | 0.00% | – |
| Q4 2017 | $66,000 | -22.4% | 16,406 | -25.4% | 0.00% | – |
| Q3 2017 | $85,000 | +4.9% | 21,990 | -20.3% | 0.00% | – |
| Q2 2017 | $81,000 | +6.6% | 27,589 | 0.0% | 0.00% | – |
| Q1 2017 | $76,000 | -22.4% | 27,589 | -1.3% | 0.00% | – |
| Q4 2016 | $98,000 | -3.0% | 27,952 | 0.0% | 0.00% | – |
| Q3 2016 | $101,000 | – | 27,952 | – | 0.00% | – |
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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% |