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 | $21,538,000 | -14.4% | 191,517 | +2.7% | 0.19% | -9.8% |
| Q4 2021 | $25,168,000 | -15.8% | 186,442 | -12.0% | 0.22% | -18.6% |
| Q3 2021 | $29,898,000 | +7.7% | 211,815 | -2.2% | 0.26% | +12.3% |
| Q2 2021 | $27,756,000 | +6.4% | 216,640 | +6.3% | 0.24% | +2.6% |
| Q1 2021 | $26,075,000 | -30.2% | 203,823 | -1.9% | 0.23% | -34.4% |
| Q4 2020 | $37,331,000 | -42.2% | 207,800 | -29.4% | 0.35% | -51.3% |
| Q3 2020 | $64,607,000 | -17.3% | 294,500 | -15.6% | 0.72% | -19.3% |
| Q2 2020 | $78,108,000 | +85.2% | 349,100 | -19.1% | 0.89% | +78.3% |
| Q1 2020 | $42,185,000 | +29.5% | 431,300 | -0.6% | 0.50% | +91.5% |
| Q4 2019 | $32,571,000 | +21.7% | 434,100 | -0.5% | 0.26% | +16.6% |
| Q3 2019 | $26,755,000 | -1.1% | 436,100 | -4.3% | 0.22% | +8.8% |
| Q2 2019 | $27,044,000 | -17.2% | 455,900 | -8.6% | 0.20% | -17.7% |
| Q1 2019 | $32,656,000 | +32.3% | 498,800 | -1.4% | 0.25% | +19.1% |
| Q4 2018 | $24,688,000 | -25.4% | 505,700 | -0.4% | 0.21% | -6.7% |
| Q3 2018 | $33,087,000 | -8.0% | 507,700 | -6.1% | 0.22% | -8.6% |
| Q2 2018 | $35,957,000 | +22.8% | 540,700 | -4.3% | 0.24% | +24.4% |
| Q1 2018 | $29,283,000 | +19.5% | 565,200 | 0.0% | 0.20% | +27.9% |
| Q4 2017 | $24,501,000 | -1.9% | 565,200 | -0.8% | 0.15% | -0.6% |
| Q3 2017 | $24,987,000 | +47.1% | 569,700 | -9.0% | 0.16% | +42.2% |
| Q2 2017 | $16,992,000 | +19.9% | 626,100 | 0.0% | 0.11% | +21.1% |
| Q1 2017 | $14,175,000 | +5.7% | 626,100 | 0.0% | 0.09% | +5.9% |
| Q4 2016 | $13,411,000 | -3.0% | 626,100 | 0.0% | 0.08% | -5.6% |
| Q3 2016 | $13,831,000 | +23.7% | 626,100 | 0.0% | 0.09% | +21.6% |
| Q2 2016 | $11,182,000 | +3.8% | 626,100 | +0.3% | 0.07% | +4.2% |
| Q1 2016 | $10,772,000 | -15.3% | 624,100 | +4.0% | 0.07% | -14.5% |
| Q4 2015 | $12,720,000 | +12.3% | 600,000 | 0.0% | 0.08% | +12.2% |
| Q3 2015 | $11,328,000 | -17.7% | 600,000 | 0.0% | 0.07% | -1.3% |
| Q2 2015 | $13,770,000 | -14.9% | 600,000 | 0.0% | 0.08% | -11.8% |
| Q1 2015 | $16,188,000 | -6.7% | 600,000 | 0.0% | 0.08% | -5.6% |
| Q4 2014 | $17,352,000 | +7.6% | 600,000 | 0.0% | 0.09% | +3.4% |
| Q3 2014 | $16,122,000 | +21.3% | 600,000 | -0.2% | 0.09% | +24.3% |
| Q2 2014 | $13,288,000 | -19.0% | 601,000 | 0.0% | 0.07% | -21.3% |
| Q1 2014 | $16,407,000 | -11.6% | 601,000 | 0.0% | 0.09% | -11.0% |
| Q4 2013 | $18,565,000 | +8.4% | 601,000 | -0.3% | 0.10% | -1.0% |
| Q3 2013 | $17,128,000 | +13.1% | 603,091 | +1.7% | 0.10% | +6.3% |
| Q2 2013 | $15,142,000 | – | 593,091 | – | 0.10% | – |
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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% |