QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 400 filers reported holding QUIDEL CORP in Q3 2020. The put-call ratio across all filers is 0.70 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $162,000 | +78.0% | 1,444 | +113.0% | 0.00% | – |
| Q4 2021 | $91,000 | -24.8% | 678 | -21.0% | 0.00% | – |
| Q3 2021 | $121,000 | +72.9% | 858 | +57.1% | 0.00% | – |
| Q2 2021 | $70,000 | -62.6% | 546 | -62.7% | 0.00% | – |
| Q1 2021 | $187,000 | +179.1% | 1,465 | +294.9% | 0.00% | – |
| Q4 2020 | $67,000 | -37.4% | 371 | -24.0% | 0.00% | – |
| Q3 2020 | $107,000 | +94.5% | 488 | +99.2% | 0.00% | – |
| Q2 2020 | $55,000 | +400.0% | 245 | +111.2% | 0.00% | – |
| Q1 2020 | $11,000 | +22.2% | 116 | 0.0% | 0.00% | – |
| Q4 2019 | $9,000 | +28.6% | 116 | 0.0% | 0.00% | – |
| Q3 2019 | $7,000 | 0.0% | 116 | 0.0% | 0.00% | – |
| Q2 2019 | $7,000 | -12.5% | 116 | 0.0% | 0.00% | – |
| Q1 2019 | $8,000 | +33.3% | 116 | 0.0% | 0.00% | – |
| Q4 2018 | $6,000 | -25.0% | 116 | 0.0% | 0.00% | – |
| Q3 2018 | $8,000 | 0.0% | 116 | 0.0% | 0.00% | – |
| Q2 2018 | $8,000 | +33.3% | 116 | 0.0% | 0.00% | – |
| Q1 2018 | $6,000 | -92.1% | 116 | -95.8% | 0.00% | – |
| Q1 2014 | $76,000 | -46.9% | 2,781 | -39.9% | 0.00% | -100.0% |
| Q4 2013 | $143,000 | +13.5% | 4,625 | +4.8% | 0.00% | 0.0% |
| Q3 2013 | $126,000 | -53.0% | 4,414 | -57.9% | 0.00% | 0.0% |
| Q2 2013 | $268,000 | – | 10,485 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,759,421 | $316,080,000 | 39.61% |
| Birchview Capital, LP | 58,644 | $10,535,000 | 6.07% |
| Trellus Management Company, LLC | 39,810 | $7,152,000 | 5.90% |
| MANA Advisors LLC | 1,364 | $245,000 | 4.53% |
| Cannell & Co. | 493,107 | $88,587,000 | 2.94% |
| Brown Capital Management | 2,282,444 | $410,041,000 | 2.83% |
| Trellus Management Company, LLC | 15,000 | $2,695,000 | 2.22% |
| GAGNON SECURITIES LLC | 58,936 | $10,588,000 | 1.69% |
| PREMIER ASSET MANAGEMENT LLC | 40,470 | $7,270,000 | 1.49% |
| Millrace Asset Group, Inc. | 11,926 | $2,143,000 | 1.49% |