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 | $1,133,000 | +7.3% | 10,074 | +28.7% | 0.00% | 0.0% |
| Q4 2021 | $1,056,000 | +64.0% | 7,828 | +71.7% | 0.00% | +100.0% |
| Q3 2021 | $644,000 | +17.1% | 4,559 | +6.1% | 0.00% | 0.0% |
| Q2 2021 | $550,000 | +35.1% | 4,295 | +34.6% | 0.00% | 0.0% |
| Q1 2021 | $407,000 | -47.7% | 3,191 | -26.3% | 0.00% | 0.0% |
| Q4 2020 | $778,000 | -80.6% | 4,331 | -76.3% | 0.00% | -88.9% |
| Q3 2020 | $4,006,000 | +479.7% | 18,261 | +491.7% | 0.01% | +350.0% |
| Q2 2020 | $691,000 | +204.4% | 3,086 | +32.9% | 0.00% | +100.0% |
| Q1 2020 | $227,000 | – | 2,322 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 3,265,457 | $100,869,966,000 | 13.88% |
| First Light Asset Management, LLC | 141,030 | $4,356,000 | 3.69% |
| Wood Investment Counsel LLC | 750,159 | $23,172,000 | 3.66% |
| RK Capital | 292,910 | $9,048,000 | 2.22% |
| 1492 Capital Management LLC | 107,678 | $3,326,000 | 1.79% |
| Ghost Tree Capital, LLC | 85,000 | $2,626,000 | 1.62% |
| WALL STREET ASSOCIATES | 630,400 | $19,473,000 | 1.60% |
| Brown Capital Management | 3,070,671 | $94,853,000 | 1.55% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 298,990 | $9,236,000 | 1.52% |
| KOPP INVESTMENT ADVISORS LLC | 74,650 | $2,306,000 | 1.04% |