QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 317 filers reported holding QUIDEL CORP in Q3 2021. The put-call ratio across all filers is 0.85 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $1,000 | -87.5% | 8 | -86.7% | 0.00% | -100.0% |
| Q4 2021 | $8,000 | -99.2% | 60 | -99.2% | 0.00% | -99.4% |
| Q3 2021 | $1,062,000 | +10.5% | 7,522 | +0.3% | 0.16% | 0.0% |
| Q2 2021 | $961,000 | +111.7% | 7,500 | +111.3% | 0.16% | -16.1% |
| Q1 2021 | $454,000 | -79.8% | 3,550 | -71.6% | 0.19% | -80.8% |
| Q4 2020 | $2,246,000 | +294.0% | 12,502 | +380.5% | 1.00% | +346.2% |
| Q3 2020 | $570,000 | +26.9% | 2,602 | +29.5% | 0.22% | +17.2% |
| Q2 2020 | $449,000 | – | 2,009 | +40080.0% | 0.19% | – |
| Q3 2018 | $0 | – | 5 | – | 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% |