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 | $2,928,000 | -59.8% | 26,036 | -51.8% | 0.02% | -14.8% |
| Q4 2021 | $7,286,000 | +92.4% | 53,970 | +101.2% | 0.03% | -15.6% |
| Q3 2021 | $3,786,000 | -2.3% | 26,825 | -11.3% | 0.03% | +3.2% |
| Q2 2021 | $3,876,000 | +318.1% | 30,254 | +317.5% | 0.03% | -11.4% |
| Q1 2021 | $927,000 | -34.3% | 7,247 | -7.7% | 0.04% | -34.0% |
| Q4 2020 | $1,411,000 | -17.8% | 7,854 | +0.4% | 0.05% | -29.3% |
| Q3 2020 | $1,717,000 | -4.6% | 7,826 | -2.7% | 0.08% | -9.6% |
| Q2 2020 | $1,799,000 | +188.3% | 8,042 | +26.1% | 0.08% | +453.3% |
| Q1 2020 | $624,000 | +27.6% | 6,379 | -2.2% | 0.02% | +66.7% |
| Q4 2019 | $489,000 | +27.0% | 6,521 | +3.9% | 0.01% | +12.5% |
| Q3 2019 | $385,000 | +1.9% | 6,277 | -1.4% | 0.01% | -11.1% |
| Q2 2019 | $378,000 | +11.8% | 6,366 | +23.4% | 0.01% | +12.5% |
| Q1 2019 | $338,000 | +39.7% | 5,157 | +4.2% | 0.01% | +14.3% |
| Q4 2018 | $242,000 | -27.3% | 4,950 | -1.0% | 0.01% | -12.5% |
| Q2 2018 | $333,000 | – | 5,002 | – | 0.01% | – |
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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% |