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 | $3,032,000 | +238.8% | 30,138 | +354.8% | 0.00% | +200.0% |
| Q4 2021 | $895,000 | -14.4% | 6,627 | -10.4% | 0.00% | 0.0% |
| Q3 2021 | $1,045,000 | -14.0% | 7,400 | -22.0% | 0.00% | 0.0% |
| Q2 2021 | $1,215,000 | +3.8% | 9,486 | +3.6% | 0.00% | 0.0% |
| Q1 2021 | $1,171,000 | -63.9% | 9,153 | -49.3% | 0.00% | -75.0% |
| Q4 2020 | $3,246,000 | -37.8% | 18,071 | -24.0% | 0.00% | -42.9% |
| Q3 2020 | $5,217,000 | -20.5% | 23,781 | -18.9% | 0.01% | -22.2% |
| Q2 2020 | $6,562,000 | +153.2% | 29,329 | +10.7% | 0.01% | +350.0% |
| Q1 2020 | $2,592,000 | +157.4% | 26,498 | +97.5% | 0.00% | +100.0% |
| Q4 2019 | $1,007,000 | +101.0% | 13,419 | +64.3% | 0.00% | 0.0% |
| Q3 2019 | $501,000 | +735.0% | 8,165 | +796.3% | 0.00% | – |
| Q1 2019 | $60,000 | +36.4% | 911 | 0.0% | 0.00% | – |
| Q4 2018 | $44,000 | -38.0% | 911 | -16.0% | 0.00% | – |
| Q3 2018 | $71,000 | +12.7% | 1,085 | +15.2% | 0.00% | – |
| Q2 2018 | $63,000 | – | 942 | – | 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% |