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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,184,000 | -15.5% | 8,778 | -19.5% | 0.00% | 0.0% |
| Q3 2021 | $1,401,000 | -1.4% | 10,898 | -1.8% | 0.00% | 0.0% |
| Q2 2021 | $1,421,000 | +1094.1% | 11,098 | +1087.0% | 0.00% | – |
| Q1 2021 | $119,000 | -93.9% | 935 | -91.3% | 0.00% | -100.0% |
| Q4 2020 | $1,938,000 | -17.7% | 10,789 | +0.5% | 0.00% | 0.0% |
| Q3 2020 | $2,355,000 | +82.6% | 10,739 | +86.2% | 0.00% | +50.0% |
| Q2 2020 | $1,290,000 | -15.4% | 5,769 | -63.0% | 0.00% | -33.3% |
| Q1 2020 | $1,524,000 | +189.7% | 15,585 | +122.2% | 0.00% | +200.0% |
| Q4 2019 | $526,000 | -41.4% | 7,014 | -52.1% | 0.00% | -66.7% |
| Q3 2019 | $898,000 | +502.7% | 14,651 | +479.5% | 0.00% | – |
| Q2 2019 | $149,000 | +4866.7% | 2,528 | +5166.7% | 0.00% | – |
| Q1 2019 | $3,000 | -98.1% | 48 | -98.5% | 0.00% | – |
| Q4 2018 | $157,000 | +166.1% | 3,231 | +253.1% | 0.00% | – |
| Q3 2018 | $59,000 | +5.4% | 915 | +7.4% | 0.00% | – |
| Q2 2018 | $56,000 | +250.0% | 852 | +170.5% | 0.00% | -100.0% |
| Q1 2018 | $16,000 | -93.8% | 315 | -94.6% | 0.00% | -90.0% |
| Q3 2017 | $256,000 | +2460.0% | 5,845 | +1406.4% | 0.01% | – |
| Q2 2017 | $10,000 | 0.0% | 388 | -21.3% | 0.00% | -100.0% |
| Q3 2016 | $10,000 | +11.1% | 493 | -5.0% | 0.00% | 0.0% |
| Q2 2016 | $9,000 | +200.0% | 519 | +208.9% | 0.00% | – |
| Q3 2015 | $3,000 | – | 168 | – | 0.00% | – |
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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% |