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Stock Comparison · Structural lead, mixed market

Astera Labs vs Alnylam Pharmaceuticals: Which Stock Looks Stronger in 2026?

Alnylam Pharmaceuticals holds the cleaner structural position, with the lead spread across growth and stability. Astera Labs does not offset that deficit through any equally strong structural edge elsewhere. In the market, Astera Labs carries the stronger setup — intact trend against Alnylam Pharmaceuticals's broken trend. That leaves a split case: the structural lead stays with Alnylam Pharmaceuticals, 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

The lead is spread across growth and stability, rather than sitting in one isolated gap. Alnylam Pharmaceuticals, Inc. leads by 25 points on the overall comparison score.

Trajectory Similarity
0.67
Moderately similar
Peer-set rank: #10
within Astera Labs, Inc.'s functional peer set

This pair is matched through long-term financial trajectory similarity within the selected peer universe.

The pair shares a valid long-term profile match, but the trajectories are not especially close.

The match is driven mainly by margin consistency and investment intensity.

Similarity drivers
margin consistencyinvestment intensity
What reduces the match
revenue growth trajectory
How to read the score
0.85–1.00 · Very similar0.70–0.84 · Similar0.55–0.69 · Moderately similarbelow 0.55 · Loose match
Peer-Relative Score
ALAB
Astera Labs, Inc.
39
Peer-Score
Signal qualitylow
Peer basis: Russell 1000
vs
ALNY
Alnylam Pharmaceuticals, Inc.
64
Peer-Score
Signal qualitylow
Peer basis: Russell 1000

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

The largest gaps do not all point in the same direction.

Dimension spread: ALAB vs ALNY Profitability 56 76 Stability 32 65 Valuation 13 31 Growth 58 95 ALAB ALNY
Gap Ranking
#1 Growth +37
#2 Stability +33
#3 Profitability +20
#4 Valuation +18
Price Setup

Left means cheaper relative valuation. Higher means stronger structure.

Price setup map for ALAB and ALNY Stronger + cheaper Stronger + richer Weaker + cheaper Weaker + richer ALABALNY Relative valuation Structural strength

Neither company combines the stronger profile with the cheaper valuation.

Valuation position uses peer-relative PE percentile (idx_pct_pe) where available.

Relative Position vs Comparable Companies
Growth
Both rank well on growth, but Alnylam Pharmaceuticals, Inc. still holds a clear edge.
Stability
The same broad pattern appears on stability: Alnylam Pharmaceuticals, Inc. ranks near the top of the group, while Astera Labs, Inc. stays in the weaker half.
Growth — Dominant Gap
ALAB
58
ALNY
95
Gap+37in favour of ALNY

The main growth separation is wide, driven by a meaningfully stronger expansion profile.

What keeps the gap from being one-sided

On the market side, Astera Labs carries the stronger trend while Alnylam Pharmaceuticals's trend has broken — the market setup does not confirm the structural advantage.

What this means for the comparison

The lead is built on both growth and stability, making it broader than a single-dimension result.

Explore full peer positioning in AssetNext

Break down the ALAB vs ALNY comparison across all dimensions with the full interactive tool.

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Similar growth-and-stability comparisons

Explore how ALAB and ALNY 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.