Vanguard Group’s Ionis Pharmaceuticals IONS Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | $1.3B | Sell |
16,440,459
-41,271
| -0.3% | -$3.11M | 0.02% | 616 |
|
|
2025
Q3 | $1.08B | Sell |
16,481,730
-233,116
| -1% | -$11.4M | 0.02% | 669 |
|
|
2025
Q2 | $660M | Buy |
16,714,846
+330,912
| +2% | +$10.8M | 0.01% | 863 |
|
|
2025
Q1 | $494M | Sell |
16,383,934
-88,605
| -0.5% | -$2.9M | 0.01% | 999 |
|
|
2024
Q4 | $576M | Buy |
16,472,539
+1,416,781
| +9% | +$53M | 0.01% | 956 |
|
|
2024
Q3 | $603M | Buy |
15,055,758
+1,210,046
| +9% | +$56.3M | 0.01% | 925 |
|
|
2024
Q2 | $660M | Buy |
13,845,712
+415,256
| +3% | +$17M | 0.01% | 823 |
|
|
2024
Q1 | $582M | Sell |
13,430,456
-773,025
| -5% | -$36.8M | 0.01% | 916 |
|
|
2023
Q4 | $719M | Sell |
14,203,481
-298,544
| -2% | -$14.3M | 0.02% | 775 |
|
|
2023
Q3 | $658M | Sell |
14,502,025
-21,241
| -0.1% | -$876K | 0.02% | 762 |
|
|
2023
Q2 | $596M | Buy |
14,523,266
+547,476
| +4% | +$21M | 0.01% | 829 |
|
|
2023
Q1 | $499M | Buy |
13,975,790
+429,096
| +3% | +$16.1M | 0.01% | 908 |
|
|
2022
Q4 | $512M | Buy |
13,546,694
+740,671
| +6% | +$31.2M | 0.01% | 870 |
|
|
2022
Q3 | $566M | Buy |
12,806,023
+605,747
| +5% | +$25.5M | 0.02% | 759 |
|
|
2022
Q2 | $452M | Buy |
12,200,276
+101,242
| +0.8% | +$3.82M | 0.01% | 921 |
|
|
2022
Q1 | $448M | Buy |
12,099,034
+91,958
| +0.8% | +$3.01M | 0.01% | 1043 |
|
|
2021
Q4 | $365M | Buy |
12,007,076
+207,067
| +2% | +$6.52M | 0.01% | 1198 |
|
|
2021
Q3 | $396M | Sell |
11,800,009
-855,820
| -7% | -$32.2M | 0.01% | 1128 |
|
|
2021
Q2 | $505M | Buy |
12,655,829
+51,680
| +0.4% | +$2.02M | 0.01% | 983 |
|
|
2021
Q1 | $567M | Buy |
12,604,149
+359,761
| +3% | +$20.1M | 0.02% | 884 |
|
|
2020
Q4 | $692M | Buy |
12,244,388
+254,358
| +2% | +$12.7M | 0.02% | 728 |
|
|
2020
Q3 | $569M | Sell |
11,990,030
-316,221
| -3% | -$17.6M | 0.02% | 723 |
|
|
2020
Q2 | $726M | Buy |
12,306,251
+252,690
| +2% | +$14.1M | 0.03% | 601 |
|
|
2020
Q1 | $570M | Buy |
12,053,561
+87,169
| +0.7% | +$4.86M | 0.02% | 623 |
|
|
2019
Q4 | $723M | Sell |
11,966,392
-248,083
| -2% | -$14.8M | 0.02% | 664 |
|
|
2019
Q3 | $732M | Sell |
12,214,475
-642,390
| -5% | -$41.9M | 0.03% | 630 |
|
|
2019
Q2 | $826M | Buy |
12,856,865
+383,350
| +3% | +$27.1M | 0.03% | 586 |
|
|
2019
Q1 | $1.01B | Buy |
12,473,515
+644,127
| +5% | +$41.6M | 0.04% | 496 |
|
|
2018
Q4 | $639M | Buy |
11,829,388
+738,090
| +7% | +$37.6M | 0.03% | 601 |
|
|
2018
Q3 | $572M | Buy |
11,091,298
+157,770
| +1% | +$7.41M | 0.02% | 724 |
|
|
2018
Q2 | $456M | Buy |
10,933,528
+558,132
| +5% | +$24.7M | 0.02% | 828 |
|
|
2018
Q1 | $457M | Buy |
10,375,396
+269,184
| +3% | +$13.7M | 0.02% | 794 |
|
|
2017
Q4 | $508M | Buy |
10,106,212
+162,261
| +2% | +$8.9M | 0.02% | 745 |
|
|
2017
Q3 | $504M | Buy |
9,943,951
+88,791
| +0.9% | +$4.65M | 0.02% | 721 |
|
|
2017
Q2 | $501M | Buy |
9,855,160
+417,364
| +4% | +$19.4M | 0.02% | 702 |
|
|
2017
Q1 | $379M | Buy |
9,437,796
+384,830
| +4% | +$17.3M | 0.02% | 820 |
|
|
2016
Q4 | $433M | Buy |
9,052,966
+259,814
| +3% | +$10.3M | 0.02% | 718 |
|
|
2016
Q3 | $322M | Sell |
8,793,152
-1,631
| -0% | -$51K | 0.02% | 817 |
|
|
2016
Q2 | $205M | Buy |
8,794,783
+349,172
| +4% | +$11.3M | 0.01% | 1041 |
|
|
2016
Q1 | $342M | Buy |
8,445,611
+194,861
| +2% | +$7.91M | 0.02% | 739 |
|
|
2015
Q4 | $511M | Sell |
8,250,750
-557,026
| -6% | -$30.1M | 0.03% | 568 |
|
|
2015
Q3 | $356M | Buy |
8,807,776
+227,426
| +3% | +$11.8M | 0.03% | 697 |
|
|
2015
Q2 | $494M | Buy |
8,580,350
+567,324
| +7% | +$36.1M | 0.03% | 596 |
|
|
2015
Q1 | $510M | Buy |
8,013,026
+741,155
| +10% | +$50.3M | 0.03% | 577 |
|
|
2014
Q4 | $449M | Buy |
7,271,871
+14,355
| +0.2% | +$708K | 0.03% | 594 |
|
|
2014
Q3 | $282M | Sell |
7,257,516
-12,028
| -0.2% | -$426K | 0.02% | 771 |
|
|
2014
Q2 | $250M | Sell |
7,269,544
-516,802
| -7% | -$16.3M | 0.02% | 845 |
|
|
2014
Q1 | $336M | Buy |
7,786,346
+104,400
| +1% | +$5.06M | 0.03% | 662 |
|
|
2013
Q4 | $306M | Buy |
7,681,946
+346,234
| +5% | +$12.3M | 0.03% | 673 |
|
|
2013
Q3 | $275M | Buy |
7,335,712
+634,403
| +9% | +$19M | 0.03% | 680 |
|
|
2013
Q2 | $180M | Buy |
+6,701,309
| New | +$143M | 0.02% | 825 |
|
Other funds holding IONS
BG
Vanguard Group's IONS Position: Q4 2025 in Review
Vanguard Group reduced its Ionis Pharmaceuticals (IONS) stake by 0.25% in Q4 2025, selling an estimated $3.11M and leaving 16,440,459 shares worth $1.3B. The position accounts for 0.02% of the portfolio, ranked #616.
Vanguard Group first reported a position in IONS in Q2 2013 and has held it in 51 quarters since. 491 funds tracked by Wall St. Rank hold IONS as of Q4 2025.
- Vanguard Group held 16,440,459 shares of Ionis Pharmaceuticals worth $1.3B as of Q4 2025.
- Vanguard Group sold 41,271 Ionis Pharmaceuticals shares in Q4 2025, an estimated $3.11M.
- Ionis Pharmaceuticals made up 0.02% of Vanguard Group's portfolio in Q4 2025, its #616 holding.
- Vanguard Group first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 51 quarters since.
- 491 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q4 2025.
Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.