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 | $2,669,000 | +350.8% | 23,736 | +441.5% | 0.01% | +366.7% |
| Q4 2021 | $592,000 | -79.7% | 4,383 | -78.7% | 0.00% | -81.2% |
| Q3 2021 | $2,910,000 | -96.4% | 20,616 | -95.4% | 0.02% | -96.8% |
| Q4 2020 | $79,993,000 | +63.2% | 445,272 | +99.2% | 0.50% | +35.4% |
| Q3 2020 | $49,026,000 | -28.4% | 223,475 | -27.0% | 0.37% | -37.8% |
| Q2 2020 | $68,451,000 | +5050.6% | 305,940 | +1626.9% | 0.60% | +4900.0% |
| Q4 2019 | $1,329,000 | +109.6% | 17,716 | +71.5% | 0.01% | +71.4% |
| Q3 2019 | $634,000 | +116.4% | 10,333 | +72.1% | 0.01% | +40.0% |
| Q4 2018 | $293,000 | – | 6,004 | – | 0.01% | – |
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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% |