QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 354 filers reported holding QUIDEL CORP in Q1 2022. The put-call ratio across all filers is 1.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,000 | 0.0% | 10 | +150.0% | 0.00% | – |
| Q4 2021 | $1,000 | -93.8% | 4 | -96.4% | 0.00% | -100.0% |
| Q3 2021 | $16,000 | +23.1% | 111 | +3.7% | 0.00% | 0.0% |
| Q2 2021 | $13,000 | 0.0% | 107 | 0.0% | 0.00% | 0.0% |
| Q1 2021 | $13,000 | +225.0% | 107 | +328.0% | 0.00% | – |
| Q4 2020 | $4,000 | -75.0% | 25 | -67.5% | 0.00% | -100.0% |
| Q3 2020 | $16,000 | -27.3% | 77 | -23.8% | 0.00% | -50.0% |
| Q2 2020 | $22,000 | +57.1% | 101 | -31.8% | 0.00% | +100.0% |
| Q1 2020 | $14,000 | +55.6% | 148 | -58.0% | 0.00% | 0.0% |
| Q1 2014 | $9,000 | -10.0% | 352 | 0.0% | 0.00% | 0.0% |
| Q4 2013 | $10,000 | +11.1% | 352 | +16.6% | 0.00% | 0.0% |
| Q3 2013 | $9,000 | +28.6% | 302 | 0.0% | 0.00% | -75.0% |
| Q2 2013 | $7,000 | – | 302 | – | 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% |