QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 159 filers reported holding QUIDEL CORP in Q4 2018. The put-call ratio across all filers is 0.22 and the average weighting 0.3%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $310,000 | -30.6% | 2,296 | +12.7% | 0.01% | -63.6% |
| Q3 2020 | $447,000 | +231.1% | 2,038 | +237.4% | 0.02% | +214.3% |
| Q2 2020 | $135,000 | +575.0% | 604 | +98.7% | 0.01% | +600.0% |
| Q1 2019 | $20,000 | -94.8% | 304 | -96.1% | 0.00% | -96.2% |
| Q4 2018 | $382,000 | +187.2% | 7,822 | +283.1% | 0.03% | +225.0% |
| Q3 2018 | $133,000 | -63.5% | 2,042 | -62.7% | 0.01% | -65.2% |
| Q2 2018 | $364,000 | -4.0% | 5,469 | -25.2% | 0.02% | -17.9% |
| Q1 2018 | $379,000 | +92.4% | 7,308 | +62.9% | 0.03% | +55.6% |
| Q3 2017 | $197,000 | +432.4% | 4,485 | +224.8% | 0.02% | +350.0% |
| Q2 2017 | $37,000 | +105.6% | 1,381 | +72.6% | 0.00% | +33.3% |
| Q2 2015 | $18,000 | – | 800 | – | 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% |