QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 362 filers reported holding QUIDEL CORP in Q4 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $7,224,000 | -16.5% | 64,233 | +0.2% | 0.04% | -7.0% |
| Q4 2021 | $8,656,000 | -6.0% | 64,122 | -1.7% | 0.04% | -12.2% |
| Q3 2021 | $9,208,000 | +4.5% | 65,237 | -5.1% | 0.05% | +63.3% |
| Q2 2021 | $8,811,000 | -1.8% | 68,772 | -2.0% | 0.03% | -3.2% |
| Q1 2021 | $8,976,000 | -28.1% | 70,162 | +0.9% | 0.03% | -32.6% |
| Q4 2020 | $12,488,000 | -19.2% | 69,513 | -1.3% | 0.05% | -37.8% |
| Q3 2020 | $15,454,000 | -4.0% | 70,445 | -2.1% | 0.07% | -5.1% |
| Q2 2020 | $16,092,000 | +676.6% | 71,924 | +239.6% | 0.08% | +609.1% |
| Q1 2020 | $2,072,000 | +24.5% | 21,182 | -4.5% | 0.01% | +83.3% |
| Q4 2019 | $1,664,000 | +21.3% | 22,172 | -0.8% | 0.01% | 0.0% |
| Q3 2019 | $1,372,000 | +2.7% | 22,358 | -0.7% | 0.01% | +20.0% |
| Q2 2019 | $1,336,000 | -6.4% | 22,514 | +3.3% | 0.01% | 0.0% |
| Q1 2019 | $1,427,000 | +29.8% | 21,801 | -3.1% | 0.01% | 0.0% |
| Q4 2018 | $1,099,000 | -25.6% | 22,507 | -0.8% | 0.01% | 0.0% |
| Q3 2018 | $1,478,000 | +4.0% | 22,681 | +6.2% | 0.01% | 0.0% |
| Q2 2018 | $1,421,000 | +51.0% | 21,365 | +17.6% | 0.01% | +66.7% |
| Q1 2018 | $941,000 | +13.4% | 18,165 | -5.1% | 0.00% | 0.0% |
| Q4 2017 | $830,000 | +1.7% | 19,141 | +2.9% | 0.00% | 0.0% |
| Q3 2017 | $816,000 | +74.7% | 18,605 | +8.1% | 0.00% | +50.0% |
| Q2 2017 | $467,000 | +24.5% | 17,215 | +4.0% | 0.00% | +100.0% |
| Q1 2017 | $375,000 | +13.3% | 16,546 | +7.1% | 0.00% | 0.0% |
| Q4 2016 | $331,000 | -99.9% | 15,447 | -0.3% | 0.00% | 0.0% |
| Q3 2016 | $342,130,000 | +23.9% | 15,488 | +0.1% | 0.00% | 0.0% |
| Q2 2016 | $276,205,000 | -5.1% | 15,465 | -8.2% | 0.00% | 0.0% |
| Q1 2016 | $291,000,000 | -18.5% | 16,854 | 0.0% | 0.00% | 0.0% |
| Q4 2015 | $357,000,000 | +111812.2% | 16,854 | -0.2% | 0.00% | 0.0% |
| Q3 2015 | $319,000 | -99.9% | 16,884 | +0.1% | 0.00% | -50.0% |
| Q2 2015 | $387,029,000 | -20.0% | 16,864 | -5.9% | 0.00% | 0.0% |
| Q1 2015 | $483,590,000 | -6.7% | 17,924 | 0.0% | 0.00% | 0.0% |
| Q4 2014 | $518,362,000 | +3.5% | 17,924 | -3.8% | 0.00% | 0.0% |
| Q3 2014 | $500,696,000 | +21.4% | 18,634 | -0.1% | 0.00% | 0.0% |
| Q2 2014 | $412,285,000 | -20.9% | 18,647 | -2.3% | 0.00% | 0.0% |
| Q1 2014 | $521,294,000 | -9.4% | 19,095 | +2.5% | 0.00% | -33.3% |
| Q4 2013 | $575,697,000 | +7.7% | 18,637 | -1.0% | 0.00% | 0.0% |
| Q3 2013 | $534,602,000 | +7.9% | 18,824 | -3.0% | 0.00% | 0.0% |
| Q2 2013 | $495,665,000 | – | 19,415 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ORACLE INVESTMENT MANAGEMENT INC | 1,090,309 | $139,483,000 | 20.89% |
| Birchview Capital, LP | 58,644 | $7,502,000 | 4.45% |
| Brown Capital Management | 2,266,241 | $289,920,000 | 2.16% |
| RTW INVESTMENTS, LP | 878,533 | $112,391,000 | 1.76% |
| INVESTMENT MANAGEMENT OF VIRGINIA LLC | 51,610 | $6,602,000 | 1.33% |
| AMERICAN CAPITAL MANAGEMENT INC | 316,217 | $40,454,000 | 1.22% |
| Senvest Management, LLC | 278,037 | $35,569,000 | 1.12% |
| Cannell & Co. | 274,444 | $35,110,000 | 1.10% |
| Fairpointe Capital LLC | 5,637 | $721,000 | 1.09% |
| First Light Asset Management, LLC | 110,170 | $14,094,000 | 0.93% |