Pinnacle Associates Ltd’s Ionis Pharmaceuticals Inc Position
Does Pinnacle Associates Ltd own Ionis Pharmaceuticals Inc (ISI)? Yes — 436.5K shares worth $33M (+0.42% of its 13F portfolio) as of Q1 2026, down from 462.0K shares the prior filed quarter.
Position Value
$33M
Q1 2026
Shares
436.5K
% of Portfolio
+0.42%
Quarters Held
30
currently held
Position History ISI
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 436.5K | $33M | +0.42% |
| Q4 2025 | 462.0K | $37M | +0.47% |
| Q3 2025 | 481.8K | $32M | +0.42% |
| Q2 2025 | 494.5K | $20M | +0.28% |
| Q1 2025 | 608.5K | $18M | +0.27% |
| Q4 2024 | 547.6K | $19M | +0.26% |
| Q3 2024 | 459.0K | $23M | +0.39% |
| Q2 2024 | 453.4K | $22M | +0.34% |
| Q1 2024 | 459.8K | $20M | +0.31% |
| Q4 2023 | 459.0K | $23M | +0.39% |
| Q3 2023 | 463.0K | $21M | +0.39% |
| Q2 2023 | 478.2K | $20M | +0.34% |
| Q1 2023 | 490.7K | $18M | +0.36% |
| Q4 2022 | 494.8K | $19M | +0.41% |
| Q3 2022 | 500.9K | $22M | +0.51% |
| Q2 2022 | 515.9K | $19M | +0.42% |
| Q1 2022 | 522.0K | $19M | +0.34% |
| Q4 2021 | 541.0K | $16M | +0.28% |
| Q3 2021 | 543.2K | $18M | +0.34% |
| Q2 2021 | 541.3K | $22M | +0.39% |
| Q1 2021 | 513.1K | $23M | +0.44% |
| Q4 2020 | 553.9K | $31M | +0.64% |
| Q3 2020 | 582.9K | $28M | +0.66% |
| Q2 2020 | 601.7K | $35M | +0.87% |
| Q1 2020 | 621.9K | $29M | +0.89% |
| Q4 2019 | 702.6K | $42M | +0.93% |
| Q3 2019 | 768.0K | $46M | +1.08% |
| Q2 2019 | 800.3K | $51M | +1.20% |
| Q1 2019 | 878.0K | $71M | +1.61% |
| Q4 2018 | 908.9K | $49M | +1.27% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Pinnacle Associates Ltd’s full portfolio or all institutional holders of ISI.