As of 30 Sep 2025, 2 institutional investors reported holding 72,549 shares of QUIDEL CORP - COMMON STOCK (QDEL).
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q3 | 72,549 | $2,136,639 | $64.72 | 2 | |
| 2025 Q2 | 72,549 | $2,090,933 | +$142,054 | $64.41 | 2 |
| 2025 Q1 | 67,620 | $2,364,736 | $67.48 | 2 | |
| 2024 Q4 | 67,620 | $3,012,526 | $72.28 | 2 | |
| 2024 Q3 | 67,620 | $3,083,526 | $0 | $72.80 | 2 |
| 2024 Q2 | 67,620 | $2,246,403 | $0 | $66.61 | 2 |
| 2024 Q1 | 1 | $100 | $0 | $100.00 | 1 |
| 2023 Q4 | 1 | $100 | $0 | $100.00 | 1 |
| 2023 Q3 | 65,204 | $4,762,527 | $0 | $86.52 | 2 |
| 2023 Q2 | 65,204 | $5,402,821 | +$322,905 | $91.43 | 2 |
| 2023 Q1 | 62,588 | $5,606,162 | $0 | $100.00 | 3 |
| 2022 Q4 | 61,307 | $5,252,100 | -$3,900 | $92.83 | 2 |
| 2022 Q3 | 61,396 | $4,389,000 | -$10,854,001 | $75.00 | 3 |
| 2022 Q2 | 73,188 | $7,114,000 | -$4,093,394,888 | $97.18 | 4 |
| 2022 Q1 | 36,740,859 | $4,127,463,837 | +$50,461,110 | $112.46 | 332 |
| 2021 Q4 | 36,921,656 | $4,979,292,073 | +$101,213,230 | $134.99 | 342 |
| 2021 Q3 | 35,956,453 | $5,069,629,787 | -$237,091,586 | $141.15 | 302 |
| 2021 Q2 | 37,813,030 | $4,841,222,693 | +$263,441,061 | $128.12 | 317 |
| 2021 Q1 | 35,857,215 | $4,581,265,536 | +$135,036,165 | $127.93 | 336 |
| 2020 Q4 | 34,399,866 | $6,171,198,810 | -$224,009,095 | $179.65 | 365 |
| 2020 Q3 | 35,551,101 | $7,792,749,414 | -$309,398,161 | $219.38 | 385 |
| 2020 Q2 | 36,384,051 | $8,130,494,828 | +$91,959,907 | $223.74 | 336 |
| 2020 Q1 | 37,186,512 | $3,637,208,080 | -$101,729,392 | $97.81 | 219 |
| 2019 Q4 | 38,270,060 | $2,871,292,616 | +$16,744,354 | $75.03 | 158 |
| 2019 Q3 | 38,168,357 | $2,341,538,133 | -$610,929 | $61.35 | 153 |
| 2019 Q2 | 38,157,137 | $2,263,465,594 | +$137,559,970 | $59.32 | 149 |
| 2019 Q1 | 36,966,746 | $2,420,211,089 | +$42,621,823 | $65.47 | 169 |
| 2018 Q4 | 36,319,656 | $1,773,230,650 | +$18,644,307 | $48.82 | 150 |
| 2018 Q3 | 36,042,364 | $2,348,101,347 | +$61,086,949 | $65.17 | 167 |
| 2018 Q2 | 34,914,613 | $2,321,916,697 | +$91,594,490 | $66.50 | 162 |
| 2018 Q1 | 34,293,645 | $1,776,747,745 | +$96,566,048 | $51.81 | 148 |
| 2017 Q4 | 32,508,094 | $1,409,235,060 | +$4,220,099 | $43.35 | 126 |
| 2017 Q3 | 32,385,198 | $1,420,418,793 | +$137,280,207 | $43.86 | 121 |
| 2017 Q2 | 30,039,065 | $815,243,606 | +$26,632,309 | $27.14 | 120 |
| 2017 Q1 | 30,315,867 | $686,365,950 | +$33,030,113 | $22.64 | 93 |
| 2016 Q4 | 30,657,980 | $656,697,614 | +$2,361,510 | $21.42 | 93 |
| 2016 Q3 | 30,564,753 | $674,603,479 | -$7,678,571 | $22.09 | 99 |
| 2016 Q2 | 30,948,624 | $552,731,815 | -$296,799 | $17.86 | 94 |
| 2016 Q1 | 30,937,027 | $533,952,000 | -$7,115,550 | $17.26 | 96 |
| 2015 Q4 | 31,281,905 | $662,520,970 | -$25,179,831 | $21.20 | 102 |
| 2015 Q3 | 32,589,864 | $615,302,336 | -$31,134,821 | $18.88 | 103 |
| 2015 Q2 | 33,529,471 | $769,453,994 | -$10,632,597 | $22.95 | 110 |
| 2015 Q1 | 34,211,342 | $922,909,909 | -$13,579,243 | $26.98 | 101 |
| 2014 Q4 | 34,768,362 | $1,004,999,362 | +$90,056,503 | $28.92 | 112 |
| 2014 Q3 | 32,280,714 | $867,387,778 | +$27,974,820 | $26.87 | 102 |
| 2014 Q2 | 31,231,849 | $690,538,931 | -$31,988,293 | $22.11 | 96 |
| 2014 Q1 | 32,403,885 | $884,460,915 | +$20,431,116 | $27.30 | 105 |