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Stock Comparison · Industry comparison · Biotechnology

Insmed vs Ionis Pharmaceuticals: Which Stock Looks Stronger in 2026?

The structural profiles are close, with Insmed carrying a narrow edge on growth. Ionis Pharmaceuticals still has the edge on valuation, which keeps the comparison from looking entirely one-sided. In the market, Ionis Pharmaceuticals carries the stronger setup — intact trend against Insmed's broken trend. That leaves a split case: the structural lead stays with Insmed, but the market is not currently confirming it.

The comparison is based on similar long-term financial trajectories, not sector labels. Both peer scores are relative to the Russell 1000 universe, making them directly comparable.

Updated 2026-05-17

Most of the separation is still concentrated in growth.

INDUSTRY COMPARISON

Both operate in: Biotechnology

This comparison is based on industry proximity, not on functional trajectory similarity. INSM and IONS share the same industry classification.

For a similarity-based comparison, see how Insmed and Ionis Pharmaceuticals each position within their functional peer groups in AssetNext.

Peer-Relative Score
INSM
Insmed Incorporated
43
Peer-Score
Signal qualitylow
Peer basis: Russell 1000
vs
IONS
Ionis Pharmaceuticals, Inc.
39
Peer-Score
Signal qualitylow
Peer basis: Russell 1000

Scores reflect position relative to comparable companies with similar long-term financial trajectories.

The clearest separation appears in growth.

Dimension spread: INSM vs IONS Profitability 22 21 Stability 55 48 Valuation 16 30 Growth 100 70 INSM IONS
Gap Ranking
#1 Growth +30
#2 Valuation +14
#3 Stability +7
#4 Profitability +1
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for INSM and IONS Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer INSMIONS Relative valuation Structural strength

Insmed Incorporated looks stronger, but the price setup still looks more supportive for Ionis Pharmaceuticals, Inc..

Valuation position uses Forward P/E and peer-relative valuation score where available.

Entry today — historical context

Where INSM and IONS each sit in their own 5-year price and valuation history.

BASED ON 5-YEAR HISTORY INSM Elevated · above norm 0th 50th 100th 7 pct gap IONS Elevated · above norm 0th 50th 100th 85th 92nd
INSM (85th percentile) and IONS (92nd percentile) both sit in the upper portion of their own 5-year ranges. The historical entry context is broadly similar for both. This reflects entry timing, not which company is structurally stronger.

Describes historical entry positioning only. Descriptive — not investment advice.

Relative Position vs Comparable Companies
Growth
Both look solid on growth, though Insmed Incorporated still holds the stronger peer position.
Valuation
Both sit in the weaker half on valuation, with Ionis Pharmaceuticals, Inc. still coming out ahead.
Growth — Dominant Gap
INSM
100
IONS
70
Gap+30in favour of INSM

Growth adds another layer to the lead, with a very wide gap in revenue growth between the two companies.

What keeps the gap from being one-sided

Valuation still leans toward Ionis Pharmaceuticals, Inc., so the lead is real without reading as one-way.

What this means for the comparison

The main read on growth is clearer than the broader score gap.

Explore full peer positioning in AssetNext

Break down the INSM vs IONS comparison across all dimensions with the full interactive tool.

Explore full breakdown →
Similar growth-driven comparisons

Explore how INSM and IONS each compare against other companies in their peer groups.

Rule-based, descriptive analysis only. Derived from peer percentile dimensions. Not investment advice. Peer groups are determined algorithmically based on structural similarity — not by sector classification alone.

How AssetNext Peer Scores Work

AssetNext scores reflect each company's structural position within its functional peer group — not a ranking against all stocks simultaneously. Peers are identified by similarity across eight financial dimensions, including revenue growth trajectory, margin structure, capital intensity, and earnings stability. A score of 75 means the company ranks in the top quartile within its own peer group, not the entire market.

Four dimension scores drive the overall peer score: Growth (revenue trajectory and expansion dynamics), Quality (margin structure and capital efficiency), Valuation (peer-relative pricing on standard multiples), and Stability (earnings consistency and financial predictability). Each dimension is scored 0–100 relative to the peer group, then combined into an overall peer score using equal weighting.

Because scores are peer-relative, the same company can have slightly different scores in different index universes. On comparison pages, both companies are shown within their shared peer universe wherever possible — so the scores are directly comparable. The peer basis is stated on each score card.

Scores are recalculated periodically as underlying financial data is updated. All analysis is descriptive and rule-based — AssetNext describes structural realities and never issues buy, sell or hold recommendations.