QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 390 filers reported holding QUIDEL CORP in Q4 2020. The put-call ratio across all filers is 1.38 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $5,013,000 | -33.1% | 44,618 | -19.7% | 0.01% | -28.6% |
| Q4 2021 | $7,490,000 | +30.4% | 55,543 | +36.4% | 0.01% | +16.7% |
| Q3 2021 | $5,746,000 | -40.8% | 40,713 | -46.3% | 0.01% | -45.5% |
| Q2 2021 | $9,712,000 | -7.5% | 75,863 | -3.6% | 0.02% | -15.4% |
| Q1 2021 | $10,505,000 | -6.2% | 78,661 | +26.6% | 0.03% | -10.3% |
| Q4 2020 | $11,194,000 | -21.9% | 62,146 | -5.9% | 0.03% | -31.0% |
| Q3 2020 | $14,342,000 | +10.0% | 66,012 | +13.3% | 0.04% | +5.0% |
| Q2 2020 | $13,039,000 | -23.4% | 58,248 | -66.5% | 0.04% | -36.5% |
| Q1 2020 | $17,018,000 | +22.6% | 174,014 | -5.9% | 0.06% | +53.7% |
| Q4 2019 | $13,877,000 | +31.3% | 184,947 | +7.4% | 0.04% | +51.9% |
| Q3 2019 | $10,569,000 | +4.0% | 172,264 | +0.5% | 0.03% | -18.2% |
| Q2 2019 | $10,164,000 | -10.6% | 171,348 | -1.4% | 0.03% | -13.2% |
| Q1 2019 | $11,370,000 | +9.7% | 173,768 | +9.2% | 0.04% | +2.7% |
| Q4 2018 | $10,362,000 | -0.5% | 159,178 | -0.4% | 0.04% | -2.6% |
| Q3 2018 | $10,416,000 | -13.9% | 159,820 | -12.1% | 0.04% | -7.3% |
| Q2 2018 | $12,091,000 | +125.5% | 181,802 | +75.7% | 0.04% | +95.2% |
| Q1 2018 | $5,362,000 | +167.4% | 103,499 | +123.8% | 0.02% | +200.0% |
| Q4 2017 | $2,005,000 | +16.8% | 46,243 | +18.1% | 0.01% | +16.7% |
| Q3 2017 | $1,717,000 | +56.2% | 39,140 | -3.4% | 0.01% | +50.0% |
| Q2 2017 | $1,099,000 | +19.8% | 40,505 | 0.0% | 0.00% | 0.0% |
| Q1 2017 | $917,000 | +1268.7% | 40,505 | +1194.5% | 0.00% | – |
| Q4 2016 | $67,000 | – | 3,129 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,759,421 | $316,080,000 | 39.61% |
| Birchview Capital, LP | 58,644 | $10,535,000 | 6.07% |
| Trellus Management Company, LLC | 39,810 | $7,152,000 | 5.90% |
| MANA Advisors LLC | 1,364 | $245,000 | 4.53% |
| Cannell & Co. | 493,107 | $88,587,000 | 2.94% |
| Brown Capital Management | 2,282,444 | $410,041,000 | 2.83% |
| Trellus Management Company, LLC | 15,000 | $2,695,000 | 2.22% |
| GAGNON SECURITIES LLC | 58,936 | $10,588,000 | 1.69% |
| PREMIER ASSET MANAGEMENT LLC | 40,470 | $7,270,000 | 1.49% |
| Millrace Asset Group, Inc. | 11,926 | $2,143,000 | 1.49% |