Massachusetts Financial Services’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
$20.5M Buy
+519,184
New +$20.5M 0.01% 612
2024
Q2
Sell
-5,580
Closed -$242K 877
2024
Q1
$242K Sell
5,580
-12
-0.2% -$520 ﹤0.01% 826
2023
Q4
$283K Sell
5,592
-177
-3% -$8.95K ﹤0.01% 819
2023
Q3
$262K Sell
5,769
-20,760
-78% -$942K ﹤0.01% 825
2023
Q2
$1.09M Sell
26,529
-624
-2% -$25.6K ﹤0.01% 745
2023
Q1
$970K Buy
+27,153
New +$970K ﹤0.01% 760
2016
Q2
Sell
-335,242
Closed -$13.6M 861
2016
Q1
$13.6M Buy
335,242
+4,189
+1% +$170K 0.01% 538
2015
Q4
$20.5M Sell
331,053
-43,450
-12% -$2.69M 0.01% 493
2015
Q3
$15.1M Sell
374,503
-560,279
-60% -$22.6M 0.01% 540
2015
Q2
$53.8M Sell
934,782
-39,869
-4% -$2.29M 0.03% 331
2015
Q1
$62.1M Sell
974,651
-123,017
-11% -$7.83M 0.03% 308
2014
Q4
$67.8M Buy
1,097,668
+62,738
+6% +$3.87M 0.03% 291
2014
Q3
$40.2M Buy
1,034,930
+471,424
+84% +$18.3M 0.02% 386
2014
Q2
$19.4M Buy
563,506
+101,356
+22% +$3.49M 0.01% 539
2014
Q1
$20M Buy
+462,150
New +$20M 0.01% 499