QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $801,000 | -96.0% | 7,125 | -94.9% | 0.01% | -96.1% |
| Q3 2021 | $19,861,000 | -39.8% | 140,705 | -45.3% | 0.13% | -44.1% |
| Q2 2021 | $32,971,000 | -5.6% | 257,344 | -5.7% | 0.23% | -10.2% |
| Q1 2021 | $34,927,000 | +68.8% | 273,014 | +137.0% | 0.26% | +46.6% |
| Q4 2020 | $20,696,000 | +132.1% | 115,201 | +183.5% | 0.17% | +135.1% |
| Q3 2020 | $8,915,000 | +1408.5% | 40,638 | +350.0% | 0.07% | +311.1% |
| Q1 2019 | $591,000 | – | 9,031 | – | 0.02% | – |
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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% |