QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $2,224,000 | -18.9% | 19,780 | -2.6% | 0.00% | 0.0% |
| Q4 2021 | $2,742,000 | -17.5% | 20,311 | -13.7% | 0.00% | -33.3% |
| Q3 2021 | $3,322,000 | +32.0% | 23,535 | +19.8% | 0.00% | 0.0% |
| Q2 2021 | $2,516,000 | -27.3% | 19,638 | -27.4% | 0.00% | -25.0% |
| Q1 2021 | $3,460,000 | +36.7% | 27,045 | +92.0% | 0.00% | +33.3% |
| Q4 2020 | $2,531,000 | +1.4% | 14,089 | +23.8% | 0.00% | -25.0% |
| Q3 2020 | $2,497,000 | +4.1% | 11,381 | +6.2% | 0.00% | 0.0% |
| Q2 2020 | $2,399,000 | +126.3% | 10,721 | -1.0% | 0.00% | +100.0% |
| Q1 2020 | $1,060,000 | – | 10,833 | – | 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% |