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 | ||||
|---|---|---|---|---|---|---|
| Q4 2021 | $1,302,000 | -63.8% | 9,649 | -51.8% | 0.02% | -79.8% |
| Q4 2020 | $3,594,000 | -32.8% | 20,006 | -18.0% | 0.09% | -30.4% |
| Q3 2020 | $5,350,000 | -73.2% | 24,389 | -72.6% | 0.14% | -61.0% |
| Q2 2020 | $19,949,000 | +9309.9% | 89,163 | +1952.1% | 0.35% | +5666.7% |
| Q4 2018 | $212,000 | -74.6% | 4,345 | -73.0% | 0.01% | -53.8% |
| Q1 2018 | $834,000 | +280.8% | 16,083 | +38.6% | 0.01% | +160.0% |
| Q3 2015 | $219,000 | – | 11,600 | – | 0.01% | – |
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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% |