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 | $347,000 | -51.5% | 3,093 | -41.7% | 0.00% | -50.0% |
| Q4 2021 | $715,000 | +146.6% | 5,304 | +157.9% | 0.00% | +100.0% |
| Q3 2021 | $290,000 | -14.5% | 2,057 | -22.5% | 0.00% | 0.0% |
| Q2 2021 | $339,000 | +0.6% | 2,653 | +0.4% | 0.00% | 0.0% |
| Q1 2021 | $337,000 | -26.7% | 2,642 | +3.0% | 0.00% | 0.0% |
| Q4 2020 | $460,000 | -58.2% | 2,566 | -48.8% | 0.00% | -75.0% |
| Q3 2020 | $1,100,000 | +207.3% | 5,016 | +213.1% | 0.00% | +300.0% |
| Q2 2020 | $358,000 | +64.2% | 1,602 | -28.4% | 0.00% | 0.0% |
| Q1 2020 | $218,000 | – | 2,238 | – | 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% |