QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $39,294,000 | -20.9% | 349,401 | -5.1% | 0.04% | -14.3% |
| Q4 2021 | $49,691,000 | +72.9% | 368,107 | +80.8% | 0.04% | +40.0% |
| Q3 2021 | $28,738,000 | +0.9% | 203,597 | +1.1% | 0.03% | +3.4% |
| Q2 2021 | $28,488,000 | +15.0% | 201,373 | +4.0% | 0.03% | +3.6% |
| Q1 2021 | $24,773,000 | +17.8% | 193,642 | +65.4% | 0.03% | +7.7% |
| Q4 2020 | $21,032,000 | +3.8% | 117,074 | +26.7% | 0.03% | -7.1% |
| Q3 2020 | $20,269,000 | +24.2% | 92,391 | +26.6% | 0.03% | +21.7% |
| Q2 2020 | $16,325,000 | +108.3% | 72,964 | -8.9% | 0.02% | +76.9% |
| Q1 2020 | $7,838,000 | +14.1% | 80,132 | -12.5% | 0.01% | +30.0% |
| Q4 2019 | $6,868,000 | +17.7% | 91,532 | -3.7% | 0.01% | +11.1% |
| Q3 2019 | $5,834,000 | +11.5% | 95,087 | +7.8% | 0.01% | +12.5% |
| Q2 2019 | $5,231,000 | -9.9% | 88,179 | -0.6% | 0.01% | -11.1% |
| Q1 2019 | $5,806,000 | +30.9% | 88,679 | -2.4% | 0.01% | +12.5% |
| Q4 2018 | $4,437,000 | -25.3% | 90,879 | -0.3% | 0.01% | -11.1% |
| Q3 2018 | $5,942,000 | +7.0% | 91,184 | +9.2% | 0.01% | +12.5% |
| Q2 2018 | $5,552,000 | +95.7% | 83,484 | +52.4% | 0.01% | +100.0% |
| Q1 2018 | $2,837,000 | +55.5% | 54,763 | +30.1% | 0.00% | +33.3% |
| Q4 2017 | $1,824,000 | +12.5% | 42,084 | +13.8% | 0.00% | +50.0% |
| Q3 2017 | $1,622,000 | – | 36,984 | – | 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% |