ALPHA PRO TECH LTD's ticker is APT and the CUSIP is 020772109. A total of 31 filers reported holding ALPHA PRO TECH LTD in Q2 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $110,000 | -44.7% | 27,249 | -39.0% | 0.00% | – |
| Q2 2022 | $199,000 | +4.2% | 44,692 | -1.8% | 0.00% | – |
| Q1 2022 | $191,000 | +28.2% | 45,508 | +81.2% | 0.00% | – |
| Q4 2021 | $149,000 | +254.8% | 25,116 | +405.3% | 0.00% | – |
| Q3 2021 | $42,000 | 0.0% | 4,971 | 0.0% | 0.00% | – |
| Q2 2021 | $42,000 | -83.2% | 4,971 | -80.6% | 0.00% | – |
| Q1 2021 | $250,000 | +2172.7% | 25,682 | +2367.1% | 0.00% | – |
| Q4 2020 | $11,000 | -95.1% | 1,041 | -93.1% | 0.00% | – |
| Q3 2020 | $223,000 | +20.5% | 15,108 | +44.2% | 0.00% | – |
| Q2 2020 | $185,000 | +6066.7% | 10,478 | +1004.1% | 0.00% | – |
| Q3 2019 | $3,000 | +50.0% | 949 | +38.3% | 0.00% | – |
| Q2 2019 | $2,000 | – | 686 | +161.8% | 0.00% | – |
| Q3 2018 | $0 | – | 262 | 0.0% | 0.00% | – |
| Q2 2018 | $0 | – | 262 | +5.2% | 0.00% | – |
| Q2 2017 | $0 | -100.0% | 249 | -55.9% | 0.00% | – |
| Q1 2017 | $1,000 | -83.3% | 564 | -81.3% | 0.00% | – |
| Q3 2015 | $6,000 | -33.3% | 3,020 | -28.5% | 0.00% | -100.0% |
| Q2 2015 | $9,000 | – | 4,224 | +1079.9% | 0.00% | – |
| Q1 2015 | $0 | – | 358 | – | 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% |