QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 148 filers reported holding QUIDEL CORP in Q1 2018. The put-call ratio across all filers is 0.26 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $6,712,000 | +71.6% | 30,000 | -25.0% | 4.60% | +48.5% |
| Q1 2020 | $3,912,000 | +220.4% | 40,000 | +60.0% | 3.09% | +144.2% |
| Q4 2018 | $1,221,000 | -62.5% | 25,000 | -50.0% | 1.27% | -54.4% |
| Q3 2018 | $3,259,000 | -2.0% | 50,000 | 0.0% | 2.78% | -1.2% |
| Q2 2018 | $3,325,000 | +28.3% | 50,000 | 0.0% | 2.82% | +14.4% |
| Q1 2018 | $2,591,000 | +139.0% | 50,000 | +100.0% | 2.46% | +137.6% |
| Q4 2017 | $1,084,000 | – | 25,000 | – | 1.04% | – |
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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% |