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 | $925,000 | -71.9% | 8,223 | -66.2% | 0.00% | -50.0% |
| Q4 2021 | $3,286,000 | +6.5% | 24,343 | +11.4% | 0.00% | 0.0% |
| Q3 2021 | $3,084,000 | -39.8% | 21,858 | -45.3% | 0.00% | -33.3% |
| Q2 2021 | $5,120,000 | +49.4% | 39,962 | +49.1% | 0.00% | +50.0% |
| Q1 2021 | $3,428,000 | +52.2% | 26,798 | +113.7% | 0.00% | +100.0% |
| Q4 2020 | $2,253,000 | +20.4% | 12,539 | +47.0% | 0.00% | 0.0% |
| Q3 2020 | $1,872,000 | -90.3% | 8,532 | -90.1% | 0.00% | -93.3% |
| Q2 2020 | $19,294,000 | +794.5% | 86,236 | +291.0% | 0.02% | +650.0% |
| Q1 2020 | $2,157,000 | +229.3% | 22,053 | +152.6% | 0.00% | – |
| Q4 2019 | $655,000 | -48.1% | 8,730 | -57.6% | 0.00% | -100.0% |
| Q3 2019 | $1,262,000 | +15.5% | 20,578 | +11.6% | 0.00% | 0.0% |
| Q2 2019 | $1,093,000 | +12.1% | 18,434 | +23.8% | 0.00% | 0.0% |
| Q1 2019 | $975,000 | +19.3% | 14,893 | -11.0% | 0.00% | 0.0% |
| Q4 2018 | $817,000 | -4.8% | 16,733 | +27.3% | 0.00% | 0.0% |
| Q3 2018 | $858,000 | +116.1% | 13,148 | +120.7% | 0.00% | – |
| Q2 2018 | $397,000 | +572.9% | 5,957 | +427.2% | 0.00% | – |
| Q1 2018 | $59,000 | +11.3% | 1,130 | -7.9% | 0.00% | – |
| Q4 2017 | $53,000 | +12.8% | 1,227 | +14.7% | 0.00% | – |
| Q3 2017 | $47,000 | +46.9% | 1,070 | -8.4% | 0.00% | – |
| Q2 2017 | $32,000 | -65.6% | 1,168 | -71.5% | 0.00% | – |
| Q1 2017 | $93,000 | -74.1% | 4,092 | -75.5% | 0.00% | – |
| Q4 2016 | $359,000 | +348.8% | 16,711 | +361.9% | 0.00% | – |
| Q3 2016 | $80,000 | +86.0% | 3,618 | +50.4% | 0.00% | – |
| Q2 2016 | $43,000 | -89.7% | 2,406 | -90.0% | 0.00% | – |
| Q1 2016 | $416,000 | +98.1% | 24,109 | +143.7% | 0.00% | – |
| Q4 2015 | $210,000 | +483.3% | 9,894 | +426.6% | 0.00% | – |
| Q3 2015 | $36,000 | -53.8% | 1,879 | -43.9% | 0.00% | – |
| Q2 2015 | $78,000 | +66.0% | 3,351 | +95.3% | 0.00% | – |
| Q1 2015 | $47,000 | -70.6% | 1,716 | -69.0% | 0.00% | – |
| Q4 2014 | $160,000 | +281.0% | 5,532 | +260.2% | 0.00% | – |
| Q3 2014 | $42,000 | +366.7% | 1,536 | +276.5% | 0.00% | – |
| Q2 2014 | $9,000 | +80.0% | 408 | +131.8% | 0.00% | – |
| Q1 2014 | $5,000 | -92.8% | 176 | -92.2% | 0.00% | – |
| Q4 2013 | $69,000 | -80.5% | 2,245 | -81.9% | 0.00% | – |
| Q3 2013 | $353,000 | -16.2% | 12,398 | -24.8% | 0.00% | – |
| Q2 2013 | $421,000 | – | 16,490 | – | 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% |