Camber Capital Management LP / ISI
Camber Capital Management LP’s Ionis Pharmaceuticals Inc Position
Does Camber Capital Management LP own Ionis Pharmaceuticals Inc (ISI)? Not currently — the last reported position was 725.0K shares worth $22M in Q1 2025; the fund’s latest 13F (Q2 2025) no longer reports it.
Position Value
$22M
Q1 2025
Shares
725.0K
% of Portfolio
+0.78%
Quarters Held
14
position exited
Position History ISI
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2025 | 725.0K | $22M | +0.78% |
| Q4 2024 | 625.0K | $21,850 | +0.51% |
| Q4 2023 | 865.0K | $43,760 | +1.12% |
| Q3 2023 | 2.25M | $102,060 | +3.36% |
| Q2 2023 | 2.50M | $102,575 | +3.34% |
| Q1 2023 | 1.93M | $68,800 | +2.12% |
| Q4 2022 | 1.93M | $72,707 | +2.49% |
| Q3 2022 | 1.93M | $85M | +2.61% |
| Q2 2022 | 2.70M | $100M | +4.34% |
| Q1 2022 | 3.00M | $111M | +4.02% |
| Q4 2021 | 1.39M | $42M | +1.45% |
| Q3 2021 | 2.50M | $84M | +2.58% |
| Q2 2021 | 2.00M | $80M | +2.69% |
| Q1 2021 | 1.00M | $45M | +1.54% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Camber Capital Management LP’s full portfolio or all institutional holders of ISI.