William Blair & Company’s Ionis Pharmaceuticals IONS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Shares Change % | Capital Flow | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q2 | $1.5M | Sell |
37,891
-490
| -1% | -$19.4K | ﹤0.01% | 785 |
|
|
2025
Q1 | $1.16M | Sell |
38,381
-1,501
| -4% | -$45.3K | ﹤0.01% | 844 |
|
|
2024
Q4 | $1.39M | Sell |
39,882
-6,769
| -15% | -$237K | ﹤0.01% | 807 |
|
|
2024
Q3 | $1.87M | Buy |
46,651
+21,389
| +85% | +$857K | 0.01% | 726 |
|
|
2024
Q2 | $1.2M | Sell |
25,262
-2,576
| -9% | -$123K | ﹤0.01% | 819 |
|
|
2024
Q1 | $1.21M | Buy |
27,838
+11,210
| +67% | +$486K | ﹤0.01% | 809 |
|
|
2023
Q4 | $841K | Buy |
16,628
+284
| +2% | +$14.4K | ﹤0.01% | 909 |
|
|
2023
Q3 | $741K | Sell |
16,344
-40
| -0.2% | -$1.81K | ﹤0.01% | 936 |
|
|
2023
Q2 | $672K | Buy |
16,384
+1,740
| +12% | +$71.4K | ﹤0.01% | 969 |
|
|
2023
Q1 | $523K | Hold |
14,644
| – | – | ﹤0.01% | 1032 |
|
|
2022
Q4 | $553K | Sell |
14,644
-200
| -1% | -$7.55K | ﹤0.01% | 1011 |
|
|
2022
Q3 | $657K | Buy |
14,844
+237
| +2% | +$10.5K | ﹤0.01% | 957 |
|
|
2022
Q2 | $541K | Sell |
14,607
-121
| -0.8% | -$4.48K | ﹤0.01% | 1037 |
|
|
2022
Q1 | $546K | Buy |
14,728
+264
| +2% | +$9.79K | ﹤0.01% | 1122 |
|
|
2021
Q4 | $440K | Sell |
14,464
-50
| -0.3% | -$1.52K | ﹤0.01% | 1266 |
|
|
2021
Q3 | $487K | Buy |
14,514
+4,226
| +41% | +$142K | ﹤0.01% | 1163 |
|
|
2021
Q2 | $410K | Sell |
10,288
-876
| -8% | -$34.9K | ﹤0.01% | 1223 |
|
|
2021
Q1 | $502K | Sell |
11,164
-4,000
| -26% | -$180K | ﹤0.01% | 1117 |
|
|
2020
Q4 | $857K | Buy |
15,164
+45
| +0.3% | +$2.54K | ﹤0.01% | 909 |
|
|
2020
Q3 | $717K | Sell |
15,119
-499
| -3% | -$23.7K | ﹤0.01% | 861 |
|
|
2020
Q2 | $921K | Sell |
15,618
-493
| -3% | -$29.1K | ﹤0.01% | 742 |
|
|
2020
Q1 | $762K | Sell |
16,111
-209
| -1% | -$9.89K | ﹤0.01% | 744 |
|
|
2019
Q4 | $986K | Buy |
16,320
+1,742
| +12% | +$105K | 0.01% | 783 |
|
|
2019
Q3 | $873K | Buy |
14,578
+402
| +3% | +$24.1K | 0.01% | 790 |
|
|
2019
Q2 | $911K | Sell |
14,176
-493
| -3% | -$31.7K | 0.01% | 784 |
|
|
2019
Q1 | $1.19M | Buy |
14,669
+179
| +1% | +$14.5K | 0.01% | 689 |
|
|
2018
Q4 | $783K | Buy |
14,490
+14
| +0.1% | +$757 | 0.01% | 764 |
|
|
2018
Q3 | $747K | Hold |
14,476
| – | – | ﹤0.01% | 831 |
|
|
2018
Q2 | $603K | Buy |
14,476
+8,600
| +146% | +$358K | ﹤0.01% | 888 |
|
|
2018
Q1 | $259K | Sell |
5,876
-478
| -8% | -$21.1K | ﹤0.01% | 1125 |
|
|
2017
Q4 | $320K | Buy |
6,354
+900
| +17% | +$45.3K | ﹤0.01% | 1107 |
|
|
2017
Q3 | $277K | Buy |
5,454
+73
| +1% | +$3.71K | ﹤0.01% | 1139 |
|
|
2017
Q2 | $274K | Hold |
5,381
| – | – | ﹤0.01% | 1203 |
|
|
2017
Q1 | $258K | Hold |
5,381
| – | – | ﹤0.01% | 1121 |
|
|
2016
Q4 | $257K | Buy |
+5,381
| New | +$257K | ﹤0.01% | 1052 |
|
|
2016
Q2 | – | Sell |
-5,417
| Closed | -$219K | – | 1253 |
|
|
2016
Q1 | $219K | Sell |
5,417
-295
| -5% | -$11.9K | ﹤0.01% | 1039 |
|
|
2015
Q4 | $353K | Buy |
+5,712
| New | +$353K | ﹤0.01% | 902 |
|
|
2015
Q3 | – | Sell |
-5,975
| Closed | -$343K | – | 1471 |
|
|
2015
Q2 | $343K | Sell |
5,975
-118
| -2% | -$6.77K | ﹤0.01% | 1884 |
|
|
2015
Q1 | $388K | Buy |
6,093
+85
| +1% | +$5.41K | ﹤0.01% | 1805 |
|
|
2014
Q4 | $370K | Buy |
6,008
+196
| +3% | +$12.1K | ﹤0.01% | 1777 |
|
|
2014
Q3 | $225K | Buy |
+5,812
| New | +$225K | ﹤0.01% | 1931 |
|
|
2014
Q2 | – | Sell |
-5,612
| Closed | -$242K | – | 2086 |
|
|
2014
Q1 | $242K | Hold |
5,612
| – | – | ﹤0.01% | 1828 |
|
|
2013
Q4 | $223K | Buy |
5,612
+65
| +1% | +$2.58K | ﹤0.01% | 1836 |
|
|
2013
Q3 | $208K | Buy |
+5,547
| New | +$208K | ﹤0.01% | 1870 |
|