QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 126 filers reported holding QUIDEL CORP in Q4 2017. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2021 | $1,306,000 | -70.3% | 9,255 | -73.1% | 0.00% | -76.5% |
| Q2 2021 | $4,400,000 | +174.7% | 34,344 | +174.3% | 0.02% | +88.9% |
| Q1 2021 | $1,602,000 | +218.5% | 12,520 | +445.8% | 0.01% | +28.6% |
| Q3 2020 | $503,000 | -66.0% | 2,294 | -65.3% | 0.01% | -70.8% |
| Q2 2020 | $1,481,000 | +191.0% | 6,620 | +27.2% | 0.02% | +84.6% |
| Q1 2020 | $509,000 | +9.9% | 5,206 | -15.6% | 0.01% | +333.3% |
| Q4 2019 | $463,000 | -65.2% | 6,167 | -71.5% | 0.00% | -75.0% |
| Q3 2019 | $1,330,000 | +73.6% | 21,674 | +85.2% | 0.01% | +50.0% |
| Q1 2019 | $766,000 | -60.4% | 11,706 | -60.6% | 0.01% | -65.2% |
| Q3 2018 | $1,935,000 | +100.5% | 29,692 | +59.4% | 0.02% | +53.3% |
| Q1 2018 | $965,000 | +6.6% | 18,623 | -10.8% | 0.02% | -6.2% |
| Q4 2017 | $905,000 | +130.3% | 20,879 | +44.2% | 0.02% | +100.0% |
| Q2 2017 | $393,000 | – | 14,483 | – | 0.01% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,090,309 | $139,483,000 | 20.89% |
| Birchview Capital, LP | 58,644 | $7,502,000 | 4.45% |
| Brown Capital Management | 2,266,241 | $289,920,000 | 2.16% |
| RTW INVESTMENTS, LP | 878,533 | $112,391,000 | 1.76% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 51,610 | $6,602,000 | 1.33% |
| AMERICAN CAPITAL MANAGEMENT INC | 316,217 | $40,454,000 | 1.22% |
| Senvest Management, LLC | 278,037 | $35,569,000 | 1.12% |
| Cannell & Co. | 274,444 | $35,110,000 | 1.10% |
| Fairpointe Capital LLC | 5,637 | $721,000 | 1.09% |
| First Light Asset Management, LLC | 110,170 | $14,094,000 | 0.93% |