QUIDEL CORP's ticker is QDEL and the CUSIP is 74838J101. A total of 2 filers reported holding QUIDEL CORP in Q3 2023. The put-call ratio across all filers is - and the average weighting 2.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $2,928,000 | -59.8% | 26,036 | -51.8% | 0.02% | -14.8% |
| Q4 2021 | $7,286,000 | +92.4% | 53,970 | +101.2% | 0.03% | -15.6% |
| Q3 2021 | $3,786,000 | -2.3% | 26,825 | -11.3% | 0.03% | +3.2% |
| Q2 2021 | $3,876,000 | +318.1% | 30,254 | +317.5% | 0.03% | -11.4% |
| Q1 2021 | $927,000 | -34.3% | 7,247 | -7.7% | 0.04% | -34.0% |
| Q4 2020 | $1,411,000 | -17.8% | 7,854 | +0.4% | 0.05% | -29.3% |
| Q3 2020 | $1,717,000 | -4.6% | 7,826 | -2.7% | 0.08% | -9.6% |
| Q2 2020 | $1,799,000 | +188.3% | 8,042 | +26.1% | 0.08% | +453.3% |
| Q1 2020 | $624,000 | +27.6% | 6,379 | -2.2% | 0.02% | +66.7% |
| Q4 2019 | $489,000 | +27.0% | 6,521 | +3.9% | 0.01% | +12.5% |
| Q3 2019 | $385,000 | +1.9% | 6,277 | -1.4% | 0.01% | -11.1% |
| Q2 2019 | $378,000 | +11.8% | 6,366 | +23.4% | 0.01% | +12.5% |
| Q1 2019 | $338,000 | +39.7% | 5,157 | +4.2% | 0.01% | +14.3% |
| Q4 2018 | $242,000 | -27.3% | 4,950 | -1.0% | 0.01% | -12.5% |
| Q2 2018 | $333,000 | – | 5,002 | – | 0.01% | – |
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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% |