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Market Expansion Path | Delve into REDEMPLO's potential expansion from rare FCS indication into the substantially larger severe hypertriglyceridemia market with established APOC3 leadership |
Pipeline Catalysts | Multiple Phase 3 data readouts concentrated in third quarter 2026 across SHASTA, MUIR, and partner programs create significant value inflection opportunities |
Analyst Outlook | Price targets range from $80 to $95, reflecting confidence in the RNA-targeted therapeutics platform and commercial execution capabilities |
FDA Milestone | REDEMPLO's November 2025 approval as the first siRNA therapy for familial chylomicronemia syndrome establishes Ionis's commercial foundation |

Metrics to compare | IONS | Sector Sector - Average of metrics from a broad group of related Healthcare sector companies | Relationship RelationshipIONSPeersSector | |
|---|---|---|---|---|
P/E Ratio | −16.8x | 1.6x | −0.4x | |
PEG Ratio | 0.16 | 0.63 | 0.00 | |
Price / Book | 21.6x | 5.9x | 2.6x | |
Price / LTM Sales | 10.9x | 8.2x | 3.1x | |
Upside (Analyst Target) | 61.1% | 15.3% | 47.8% | |
Fair Value Upside | Unlock | 3.8% | 6.2% | Unlock |
Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; DAWNZERA for prophylaxis to prevent attacks of hereditary angioedema in adults; WAINUA for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults; and SPINRAZA for pediatric and adult patients with spinal muscular atrophy (SMA). It also provides QALSODY for the treatment of Amyotrophic Lateral Sclerosis (ALS); TEGSEDI for the treatment of ATTRv-PN in adults; and WAYLIVRA for treatment for FCS and familial partial lipodystrophy. It also develops products under Phase 3 clinical trials, such as Olezarsen for patients with hypertriglyceridemia (SHTG) and cardiovascular disease (CVD); and Zilganerse, a potential treatment for people with genetically confirmed Alexander disease, as well as ION582 which is in Phase 3 clinical trial for the potential treatment of AS, a rare genetic neurological disease. In addition, the company develops Eplontersen to degrade mutant and wild-type TTR mRNA through binding to the TTR mRNA; Pelacarsen to inhibit the production of apolipoprotein(a) in the liver to offer a direct approach for reducing lipoprotein(a); Bepirovirsen to inhibit the production of viral proteins associated with hepatitis B virus; Sefaxersen to reduce the production of complement factor B and lower activation of the alternative complement pathway; and Ulefnersen to reduce the production of the fused in sarcoma, as well as other mid-stage pipeline investigational medicines. It has a strategic collaboration with Biogen for the treatment of neurological disorders; and collaboration and license agreement with GSK, AstraZeneca, Novartis, and Roche, as well as with Metagenomi. The company was incorporated in 1989 and is headquartered in Carlsbad, California.