QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 126 filers reported holding QUIDEL CORP in Q4 2017. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $919,000 | +24.5% | 8,166 | +49.5% | 0.01% | -30.8% |
| Q4 2021 | $738,000 | +143.6% | 5,462 | +154.6% | 0.01% | +62.5% |
| Q3 2021 | $303,000 | -3.8% | 2,145 | -12.6% | 0.01% | 0.0% |
| Q2 2021 | $315,000 | -48.7% | 2,455 | -48.9% | 0.01% | -20.0% |
| Q1 2021 | $614,000 | +39.5% | 4,803 | +96.0% | 0.01% | -23.1% |
| Q4 2020 | $440,000 | -67.0% | 2,451 | -59.6% | 0.01% | -13.3% |
| Q3 2020 | $1,332,000 | -24.1% | 6,073 | -22.6% | 0.02% | -79.2% |
| Q2 2020 | $1,756,000 | +58433.3% | 7,845 | +15910.2% | 0.07% | – |
| Q3 2019 | $3,000 | -91.4% | 49 | -91.7% | 0.00% | -100.0% |
| Q2 2019 | $35,000 | +169.2% | 589 | +190.1% | 0.00% | +100.0% |
| Q1 2019 | $13,000 | +333.3% | 203 | +420.5% | 0.00% | – |
| Q2 2018 | $3,000 | -66.7% | 39 | -80.4% | 0.00% | -100.0% |
| Q4 2017 | $9,000 | -84.2% | 199 | -84.6% | 0.00% | -80.0% |
| Q3 2017 | $57,000 | +2750.0% | 1,291 | +1191.0% | 0.01% | – |
| Q4 2016 | $2,000 | -95.2% | 100 | -94.8% | 0.00% | -100.0% |
| Q3 2016 | $42,000 | +50.0% | 1,913 | +22.0% | 0.00% | +33.3% |
| Q2 2016 | $28,000 | -54.8% | 1,568 | -52.0% | 0.00% | -50.0% |
| Q3 2015 | $62,000 | +1.6% | 3,267 | +22.0% | 0.01% | +20.0% |
| Q2 2015 | $61,000 | -37.1% | 2,678 | -19.7% | 0.01% | -44.4% |
| Q4 2014 | $97,000 | +321.7% | 3,337 | +282.2% | 0.01% | +200.0% |
| Q3 2014 | $23,000 | +155.6% | 873 | +101.6% | 0.00% | +200.0% |
| Q2 2014 | $9,000 | -25.0% | 433 | -5.3% | 0.00% | -50.0% |
| Q1 2014 | $12,000 | -45.5% | 457 | -36.2% | 0.00% | -50.0% |
| Q4 2013 | $22,000 | -8.3% | 716 | -16.5% | 0.00% | +33.3% |
| Q3 2013 | $24,000 | – | 857 | – | 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% |