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 | ||||
|---|---|---|---|---|---|---|
| Q4 2019 | $35,000 | -16.7% | 474 | -32.1% | 0.00% | – |
| Q3 2019 | $42,000 | -28.8% | 698 | -29.2% | 0.00% | – |
| Q2 2019 | $59,000 | -11.9% | 986 | -3.1% | 0.00% | -100.0% |
| Q1 2019 | $67,000 | +109.4% | 1,018 | +56.9% | 0.00% | – |
| Q4 2018 | $32,000 | -17.9% | 649 | +9.8% | 0.00% | – |
| Q3 2018 | $39,000 | +333.3% | 591 | +328.3% | 0.00% | – |
| Q2 2018 | $9,000 | -81.6% | 138 | -85.4% | 0.00% | -100.0% |
| Q1 2018 | $49,000 | +19.5% | 948 | 0.0% | 0.00% | 0.0% |
| Q4 2017 | $41,000 | -2.4% | 948 | 0.0% | 0.00% | 0.0% |
| Q3 2017 | $42,000 | +16.7% | 948 | -28.7% | 0.00% | 0.0% |
| Q2 2017 | $36,000 | -26.5% | 1,329 | -38.5% | 0.00% | 0.0% |
| Q1 2017 | $49,000 | +6.5% | 2,161 | 0.0% | 0.00% | 0.0% |
| Q4 2016 | $46,000 | -2.1% | 2,161 | +0.9% | 0.00% | 0.0% |
| Q3 2016 | $47,000 | -2.1% | 2,142 | -21.0% | 0.00% | 0.0% |
| Q2 2016 | $48,000 | – | 2,712 | – | 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% |