BLONDER TONGUE LABS INC's ticker is BDR and the CUSIP is 093698108. A total of 9 filers reported holding BLONDER TONGUE LABS INC in Q3 2021. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $32,000 | +113.3% | 49,857 | +98.8% | 0.00% | 0.0% |
| Q4 2021 | $15,000 | -86.7% | 25,077 | -70.8% | 0.00% | -81.8% |
| Q2 2021 | $113,000 | +465.0% | 85,882 | +470.3% | 0.01% | +450.0% |
| Q4 2020 | $20,000 | -56.5% | 15,059 | -73.1% | 0.00% | -75.0% |
| Q3 2020 | $46,000 | +109.1% | 55,897 | +51.8% | 0.01% | +700.0% |
| Q4 2017 | $22,000 | +100.0% | 36,830 | +57.4% | 0.00% | 0.0% |
| Q3 2017 | $11,000 | – | 23,404 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Tufton Capital Management | 118,940 | $92,000 | 0.02% |
| WEBER ALAN W | 10,000 | $8,000 | 0.01% |
| CANANDAIGUA NATIONAL BANK & TRUST CO | 13,000 | $10,000 | 0.00% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 37,859 | $29,000 | 0.00% |
| UBS Group AG | 2,944 | $2,000 | 0.00% |
| CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM | 20,400 | $16,000 | 0.00% |
| Citadel Advisors | 20,724 | $16,000 | 0.00% |
| Tower Research Capital LLC (TRC) | 143 | $0 | 0.00% |
| Renaissance Technologies | 78,600 | $61,000 | 0.00% |
| THOMPSON DAVIS & CO., INC. | 0 | $0 | 0.00% |