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 | $1,133,000 | +7.3% | 10,074 | +28.7% | 0.00% | 0.0% |
| Q4 2021 | $1,056,000 | +64.0% | 7,828 | +71.7% | 0.00% | +100.0% |
| Q3 2021 | $644,000 | +17.1% | 4,559 | +6.1% | 0.00% | 0.0% |
| Q2 2021 | $550,000 | +35.1% | 4,295 | +34.6% | 0.00% | 0.0% |
| Q1 2021 | $407,000 | -47.7% | 3,191 | -26.3% | 0.00% | 0.0% |
| Q4 2020 | $778,000 | -80.6% | 4,331 | -76.3% | 0.00% | -88.9% |
| Q3 2020 | $4,006,000 | +479.7% | 18,261 | +491.7% | 0.01% | +350.0% |
| Q2 2020 | $691,000 | +204.4% | 3,086 | +32.9% | 0.00% | +100.0% |
| Q1 2020 | $227,000 | – | 2,322 | – | 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% |