Wellington Management 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 | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $480M | Buy |
6,391,816
+131,491
| +2% | +$10.4M | 0.09% | 210 |
|
|
2025
Q4 | $495M | Sell |
6,260,325
-328,486
| -5% | -$24.7M | 0.09% | 207 |
|
|
2025
Q3 | $431M | Buy |
6,588,811
+243,035
| +4% | +$11.9M | 0.08% | 229 |
|
|
2025
Q2 | $251M | Sell |
6,345,776
-2,070,645
| -25% | -$67.8M | 0.05% | 313 |
|
|
2025
Q1 | $254M | Sell |
8,416,421
-255,727
| -3% | -$8.37M | 0.05% | 291 |
|
|
2024
Q4 | $303M | Sell |
8,672,148
-63,639
| -0.7% | -$2.38M | 0.06% | 276 |
|
|
2024
Q3 | $350M | Buy |
8,735,787
+2,166,979
| +33% | +$101M | 0.06% | 268 |
|
|
2024
Q2 | $313M | Buy |
6,568,808
+873,109
| +15% | +$35.8M | 0.06% | 290 |
|
|
2024
Q1 | $247M | Buy |
5,695,699
+1,078,721
| +23% | +$51.4M | 0.04% | 351 |
|
|
2023
Q4 | $234M | Buy |
4,616,978
+2,856,353
| +162% | +$137M | 0.04% | 362 |
|
|
2023
Q3 | $79.9M | Buy |
1,760,625
+845,902
| +92% | +$34.9M | 0.02% | 587 |
|
|
2023
Q2 | $37.5M | Buy |
+914,723
| New | +$35.2M | 0.01% | 781 |
|
|
2022
Q1 | – | Sell |
-13,134
| Closed | -$399K | – | 2159 |
|
|
2021
Q4 | $399K | Buy |
+13,134
| New | +$413K | ﹤0.01% | 2024 |
|
|
2021
Q3 | – | Sell |
-5,911
| Closed | -$236K | – | 2203 |
|
|
2021
Q2 | $236K | Buy |
+5,911
| New | +$232K | ﹤0.01% | 2069 |
|
|
2020
Q4 | – | Sell |
-868,993
| Closed | -$41.2M | – | 1962 |
|
|
2020
Q3 | $41.2M | Sell |
868,993
-863,371
| -50% | -$48M | 0.01% | 743 |
|
|
2020
Q2 | $102M | Sell |
1,732,364
-2,252,853
| -57% | -$125M | 0.02% | 515 |
|
|
2020
Q1 | $188M | Sell |
3,985,217
-2,752,639
| -41% | -$153M | 0.05% | 312 |
|
|
2019
Q4 | $407M | Sell |
6,737,856
-1,007,483
| -13% | -$60M | 0.09% | 226 |
|
|
2019
Q3 | $464M | Buy |
7,745,339
+87,140
| +1% | +$5.68M | 0.1% | 203 |
|
|
2019
Q2 | $492M | Buy |
7,658,199
+119,123
| +2% | +$8.42M | 0.11% | 209 |
|
|
2019
Q1 | $612M | Sell |
7,539,076
-87,929
| -1% | -$5.67M | 0.14% | 167 |
|
|
2018
Q4 | $412M | Sell |
7,627,005
-1,668,160
| -18% | -$85.1M | 0.1% | 204 |
|
|
2018
Q3 | $479M | Buy |
9,295,165
+46,804
| +0.5% | +$2.2M | 0.1% | 216 |
|
|
2018
Q2 | $385M | Sell |
9,248,361
-705,581
| -7% | -$31.3M | 0.09% | 243 |
|
|
2018
Q1 | $439M | Sell |
9,953,942
-943,091
| -9% | -$47.9M | 0.1% | 221 |
|
|
2017
Q4 | $548M | Sell |
10,897,033
-519,326
| -5% | -$28.5M | 0.12% | 190 |
|
|
2017
Q3 | $579M | Buy |
11,416,359
+914,349
| +9% | +$47.9M | 0.13% | 177 |
|
|
2017
Q2 | $534M | Buy |
10,502,010
+1,141,457
| +12% | +$53.2M | 0.13% | 180 |
|
|
2017
Q1 | $376M | Buy |
9,360,553
+3,364,621
| +56% | +$151M | 0.09% | 219 |
|
|
2016
Q4 | $287M | Buy |
5,995,932
+2,903,235
| +94% | +$115M | 0.07% | 250 |
|
|
2016
Q3 | $113M | Buy |
3,092,697
+2,676,228
| +643% | +$83.7M | 0.03% | 452 |
|
|
2016
Q2 | $9.7M | Sell |
416,469
-10,640
| -2% | -$343K | ﹤0.01% | 1151 |
|
|
2016
Q1 | $17.3M | Buy |
427,109
+1,407
| +0.3% | +$57.1K | ﹤0.01% | 967 |
|
|
2015
Q4 | $26.4M | Buy |
425,702
+1,684
| +0.4% | +$90.9K | 0.01% | 877 |
|
|
2015
Q3 | $17.1M | Sell |
424,018
-89,657
| -17% | -$4.64M | ﹤0.01% | 1022 |
|
|
2015
Q2 | $29.6M | Sell |
513,675
-662,408
| -56% | -$42.1M | 0.01% | 882 |
|
|
2015
Q1 | $74.9M | Buy |
1,176,083
+827,582
| +237% | +$56.1M | 0.02% | 606 |
|
|
2014
Q4 | $21.5M | Buy |
348,501
+295,252
| +554% | +$14.6M | 0.01% | 1028 |
|
|
2014
Q3 | $2.07M | Sell |
53,249
-385,630
| -88% | -$13.7M | ﹤0.01% | 1675 |
|
|
2014
Q2 | $15.1M | Sell |
438,879
-117,555
| -21% | -$3.7M | ﹤0.01% | 1132 |
|
|
2014
Q1 | $24M | Sell |
556,434
-98,325
| -15% | -$4.77M | 0.01% | 968 |
|
|
2013
Q4 | $26.1M | Buy |
654,759
+487,959
| +293% | +$17.4M | 0.01% | 919 |
|
|
2013
Q3 | $6.26M | Buy |
166,800
+108,400
| +186% | +$3.24M | ﹤0.01% | 1375 |
|
|
2013
Q2 | $1.57M | Buy |
+58,400
| New | +$1.24M | ﹤0.01% | 1679 |
|
Other funds holding IONS
VPM
VCM
Wellington Management Group's IONS Position: Q1 2026 in Review
Wellington Management Group increased its Ionis Pharmaceuticals (IONS) stake by 2.1% in Q1 2026, buying an estimated $10.4M and bringing the position to 6,391,816 shares worth $480M. The position accounts for 0.09% of the portfolio, ranked #210.
Wellington Management Group first reported a position in IONS in Q2 2013 and has held it in 44 quarters since. The position peaked at $612M in Q1 2019. 493 funds tracked by Wall St. Rank hold IONS as of Q1 2026.
- Wellington Management Group held 6,391,816 shares of Ionis Pharmaceuticals worth $480M as of Q1 2026.
- Wellington Management Group bought 131,491 Ionis Pharmaceuticals shares in Q1 2026, an estimated $10.4M.
- Ionis Pharmaceuticals made up 0.09% of Wellington Management Group's portfolio in Q1 2026, its #210 holding.
- Wellington Management Group first reported a position in Ionis Pharmaceuticals in Q2 2013 and has held it in 44 quarters since.
- Wellington Management Group's Ionis Pharmaceuticals position peaked at $612M in Q1 2019.
- 493 funds tracked by Wall St. Rank held Ionis Pharmaceuticals as of Q1 2026.
Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.