ATRION CORP's ticker is ATRI and the CUSIP is 049904105. A total of 129 filers reported holding ATRION CORP in Q4 2020. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $21,000 | +10.5% | 30 | 0.0% | 0.00% | – |
| Q2 2021 | $19,000 | 0.0% | 30 | 0.0% | 0.00% | -100.0% |
| Q1 2021 | $19,000 | 0.0% | 30 | 0.0% | 0.00% | 0.0% |
| Q4 2020 | $19,000 | 0.0% | 30 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $19,000 | 0.0% | 30 | 0.0% | 0.00% | 0.0% |
| Q2 2020 | $19,000 | 0.0% | 30 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $19,000 | -47.2% | 30 | -37.5% | 0.00% | 0.0% |
| Q4 2019 | $36,000 | +5.9% | 48 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $34,000 | +126.7% | 48 | +60.0% | 0.00% | 0.0% |
| Q4 2016 | $15,000 | – | 30 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ROBERTS GLORE & CO INC /IL/ | 5,737 | $3,684,000 | 1.20% |
| ICW Investment Advisors LLC | 2,202 | $1,410,000 | 1.01% |
| PBMares Wealth Management LLC | 1,350 | $867,000 | 1.00% |
| Aldebaran Financial Inc. | 1,400 | $899,000 | 0.84% |
| THB ASSET MANAGEMENT | 4,121 | $2,646,000 | 0.60% |
| Laurel Wealth Advisors LLC | 2,474 | $1,589,000 | 0.41% |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | 187,598 | $120,486,000 | 0.35% |
| DF DENT & CO INC | 27,878 | $17,905,000 | 0.21% |
| Boston Trust Walden Corp | 26,340 | $16,917,000 | 0.18% |
| Neuberger Berman Group LLC | 181,958 | $116,861,000 | 0.12% |