QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 111 filers reported holding QUIDEL CORP in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.3%.
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 | 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% |