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 | ||||
|---|---|---|---|---|---|---|
| Q4 2020 | $39,021,000 | +69.3% | 217,206 | +106.8% | 0.24% | -22.5% |
| Q3 2020 | $23,045,000 | -78.8% | 105,050 | -78.4% | 0.31% | -63.5% |
| Q2 2020 | $108,938,000 | -99.8% | 486,896 | +7.9% | 0.84% | +94.0% |
| Q1 2020 | $44,142,111,000 | +28.8% | 451,303 | -1.2% | 0.43% | +89.1% |
| Q4 2019 | $34,281,159,000 | +121957.8% | 456,903 | -0.2% | 0.23% | +16.8% |
| Q3 2019 | $28,086,000 | +19.0% | 457,803 | +15.1% | 0.20% | +21.0% |
| Q2 2019 | $23,597,000 | -9.4% | 397,803 | 0.0% | 0.16% | -12.0% |
| Q1 2019 | $26,044,000 | +34.1% | 397,803 | 0.0% | 0.18% | +12.2% |
| Q4 2018 | $19,421,000 | -23.2% | 397,803 | 0.0% | 0.16% | -9.4% |
| Q3 2018 | $25,294,000 | – | 397,803 | – | 0.18% | – |
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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% |