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 | $17,237,000 | +12.2% | 153,271 | +34.7% | 0.01% | +20.0% |
| Q4 2021 | $15,361,000 | +156.4% | 113,795 | +168.1% | 0.01% | +150.0% |
| Q3 2021 | $5,991,000 | +288.5% | 42,444 | +252.6% | 0.00% | +300.0% |
| Q2 2021 | $1,542,000 | -5.6% | 12,036 | -5.8% | 0.00% | 0.0% |
| Q1 2021 | $1,634,000 | +4.5% | 12,772 | +46.7% | 0.00% | 0.0% |
| Q4 2020 | $1,564,000 | +91.7% | 8,707 | +134.1% | 0.00% | 0.0% |
| Q3 2020 | $816,000 | -66.1% | 3,719 | -65.4% | 0.00% | -50.0% |
| Q2 2020 | $2,406,000 | -30.3% | 10,755 | -69.5% | 0.00% | -50.0% |
| Q1 2020 | $3,452,000 | +127.1% | 35,289 | +37.7% | 0.00% | +100.0% |
| Q2 2019 | $1,520,000 | -7.3% | 25,627 | +2.4% | 0.00% | 0.0% |
| Q1 2019 | $1,639,000 | +32.4% | 25,032 | -1.3% | 0.00% | +100.0% |
| Q4 2018 | $1,238,000 | +92.5% | 25,365 | -31.9% | 0.00% | 0.0% |
| Q1 2016 | $643,000 | -17.9% | 37,231 | +0.8% | 0.00% | 0.0% |
| Q4 2015 | $783,000 | -47.4% | 36,928 | -29.6% | 0.00% | -50.0% |
| Q3 2013 | $1,490,000 | +3.2% | 52,481 | -7.2% | 0.00% | 0.0% |
| Q2 2013 | $1,444,000 | – | 56,568 | – | 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% |