QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 400 filers reported holding QUIDEL CORP in Q3 2020. The put-call ratio across all filers is 0.70 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $666,000 | +102.4% | 5,890 | +143.0% | 0.00% | – |
| Q4 2021 | $329,000 | +58.2% | 2,424 | +66.0% | 0.00% | – |
| Q3 2021 | $208,000 | -62.2% | 1,460 | -66.0% | 0.00% | -100.0% |
| Q2 2021 | $550,000 | -31.5% | 4,298 | -31.3% | 0.00% | 0.0% |
| Q1 2021 | $803,000 | -7.5% | 6,258 | +29.7% | 0.00% | 0.0% |
| Q4 2020 | $868,000 | -34.9% | 4,824 | -21.7% | 0.00% | -50.0% |
| Q3 2020 | $1,334,000 | +295.8% | 6,163 | +76.1% | 0.00% | +100.0% |
| Q1 2020 | $337,000 | +20.4% | 3,499 | -7.1% | 0.00% | – |
| Q4 2019 | $280,000 | +21.7% | 3,765 | +0.6% | 0.00% | – |
| Q3 2019 | $230,000 | -88.6% | 3,741 | -87.9% | 0.00% | -100.0% |
| Q3 2018 | $2,013,000 | +393.4% | 30,915 | +228.3% | 0.00% | +200.0% |
| Q4 2017 | $408,000 | – | 9,418 | – | 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% |