QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 168 filers reported holding QUIDEL CORP in Q4 2019. The put-call ratio across all filers is 0.05 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $66,000 | +11.9% | 893 | -7.3% | 0.00% | – |
| Q3 2019 | $59,000 | +1.7% | 963 | -0.8% | 0.00% | – |
| Q2 2019 | $58,000 | -10.8% | 971 | -1.7% | 0.00% | – |
| Q1 2019 | $65,000 | -9.7% | 988 | -33.2% | 0.00% | -100.0% |
| Q4 2018 | $72,000 | -74.5% | 1,480 | -65.8% | 0.00% | -50.0% |
| Q3 2018 | $282,000 | +500.0% | 4,332 | +373.4% | 0.00% | – |
| Q2 2018 | $47,000 | 0.0% | 915 | 0.0% | 0.00% | – |
| Q1 2018 | $47,000 | +2250.0% | 915 | +815.0% | 0.00% | – |
| Q2 2016 | $2,000 | – | 100 | – | 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% |