QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 354 filers reported holding QUIDEL CORP in Q1 2022. The put-call ratio across all filers is 1.18 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $47,256,000 | -37.3% | 420,207 | -24.8% | 0.01% | -33.3% |
| Q4 2021 | $75,412,000 | +9.5% | 558,645 | +14.5% | 0.02% | +7.1% |
| Q3 2021 | $68,854,000 | +0.8% | 487,806 | -8.5% | 0.01% | -6.7% |
| Q2 2021 | $68,279,000 | -28.4% | 532,934 | -28.5% | 0.02% | -37.5% |
| Q1 2021 | $95,416,000 | +59.9% | 745,851 | +124.5% | 0.02% | +50.0% |
| Q4 2020 | $59,688,000 | +4.6% | 332,250 | +27.7% | 0.02% | 0.0% |
| Q3 2020 | $57,073,000 | +73.8% | 260,158 | +77.3% | 0.02% | +33.3% |
| Q2 2020 | $32,835,000 | +88.3% | 146,755 | -17.7% | 0.01% | +50.0% |
| Q1 2020 | $17,441,000 | +343.9% | 178,324 | +240.6% | 0.01% | +700.0% |
| Q4 2019 | $3,929,000 | +420.4% | 52,357 | +325.7% | 0.00% | – |
| Q3 2019 | $755,000 | -61.3% | 12,300 | -62.6% | 0.00% | – |
| Q2 2019 | $1,953,000 | -65.1% | 32,927 | -61.5% | 0.00% | -100.0% |
| Q1 2019 | $5,599,000 | +406.7% | 85,511 | +277.6% | 0.00% | – |
| Q4 2018 | $1,105,000 | -74.9% | 22,648 | -66.5% | 0.00% | -100.0% |
| Q3 2018 | $4,400,000 | -19.1% | 67,507 | -17.5% | 0.00% | -33.3% |
| Q2 2018 | $5,440,000 | +44.2% | 81,798 | +12.3% | 0.00% | +50.0% |
| Q1 2018 | $3,772,000 | +91.1% | 72,828 | +59.9% | 0.00% | +100.0% |
| Q4 2017 | $1,974,000 | +54.5% | 45,539 | +56.3% | 0.00% | – |
| Q3 2017 | $1,278,000 | -43.3% | 29,135 | -64.9% | 0.00% | -100.0% |
| Q2 2017 | $2,253,000 | +57.1% | 83,032 | +31.0% | 0.00% | +100.0% |
| Q1 2017 | $1,434,000 | +994.7% | 63,377 | +922.0% | 0.00% | – |
| Q4 2015 | $131,000 | +21.3% | 6,201 | +8.9% | 0.00% | – |
| Q3 2015 | $108,000 | -94.1% | 5,696 | -92.8% | 0.00% | -100.0% |
| Q2 2015 | $1,821,000 | +293.3% | 79,343 | +362.8% | 0.00% | – |
| Q1 2015 | $463,000 | +29.7% | 17,143 | +38.9% | 0.00% | – |
| Q4 2014 | $357,000 | -28.3% | 12,342 | -45.2% | 0.00% | -100.0% |
| Q2 2014 | $498,000 | +196.4% | 22,525 | +265.3% | 0.00% | – |
| Q1 2014 | $168,000 | – | 6,166 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,795,462 | $393,889,000 | 51.91% |
| Birchview Capital, LP | 117,288 | $25,730,000 | 8.60% |
| Asymmetry Capital Management, L.P. | 39,314 | $8,625,000 | 5.54% |
| Trellus Management Company, LLC | 19,000 | $4,168,000 | 4.27% |
| Brown Capital Management | 2,305,481 | $505,776,000 | 4.19% |
| Trellus Management Company, LLC | 16,910 | $3,710,000 | 3.80% |
| Cannell & Co. | 460,146 | $100,947,000 | 3.71% |
| Soleus Capital Management, L.P. | 30,751 | $6,746,000 | 3.58% |
| GAGNON SECURITIES LLC | 57,725 | $12,664,000 | 2.70% |
| Parian Global Management LP | 30,800 | $6,757,000 | 2.14% |