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 | $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 | 3,256,957 | $88,914,926,000 | 10.16% |
| Wood Investment Counsel LLC | 749,669 | $20,466,000 | 3.32% |
| First Light Asset Management, LLC | 159,662 | $4,359,000 | 3.09% |
| Brown Capital Management | 3,521,596 | $96,140,000 | 1.58% |
| 1492 Capital Management LLC | 115,996 | $3,167,000 | 1.57% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 320,160 | $8,740,000 | 1.43% |
| WALL STREET ASSOCIATES | 631,100 | $17,229,000 | 1.41% |
| RK Capital | 228,504 | $6,238,000 | 1.26% |
| ArrowMark Colorado Holdings LLC | 705,254 | $19,253,000 | 0.63% |
| Trellus Management Company, LLC | 21,836 | $596,000 | 0.53% |