$ALMS

ALMS Stock Clocks Worst Day After 57% Drop — What Drove The Selloff?

Alumis Inc. (ALMS) shares dropped 57% after its Phase 2b lupus study missed primary goals, though a patient subgroup showed promising results. The company plans to discuss a late-stage trial with regulators. Wells Fargo and Baird lowered price targets but maintained positive ratings. ALMS is down 3% year-to-date.

Original reporting
Published Sep 7, 2026, 2:07 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 7, 2026, 7:00 PM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefMarket movers
Primary signal
$ALMS
Bearish
high confidence
Mentioned
$ALMS
Relevance
9/10
AlphAI data visualization · based on stocktwits.com
Decision brief

The 30-second read

$ALMSBearishMed
01

Why it matters

The failed Phase 2b readout sharply reduces near‑term valuation, but subgroup signals keep longer‑term interest alive.

02

Market read

The trial miss drives a steep sell‑off, highlighting the sensitivity of biotech stocks to clinical data.

03

What to watch

Potential upside from a focused Phase 3 lupus study and a separate psoriasis approval path.

Relevance 9/10Novelty 8/10Timing: today

Background

Alumis Inc. is a clinical‑stage biotech developing envudeucitinib for autoimmune diseases.

Company-level read

Ticker impact

$ALMSBearishHigh confidence
Context

Phase 2b lupus trial missed primary and key secondary endpoints, causing a 57% share collapse.

Expected impact

Further downside pressure; potential short‑sell opportunities.

Evidence & confidence

First disclosure of trial failure with a large intraday move; market reaction already severe.

Market effects

Biotech sector may see broader risk aversion as trial failures raise concerns about lupus pipeline.

US biotech stocks could face heightened volatility.

Limited to investors tracking clinical‑trial outcomes.

Counterpoint

Some investors may view the drop as overreaction given the promising subgroup data and upcoming psoriasis filing.

Key entities

  • Alumis Inc.

    Biotech developing envudeucitinib.

  • Wells Fargo

    Reduced price target to $25.

  • Baird

    Reduced price target to $27.

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Why is Alumis stock rallying today?

Alumis (ALMS) stock rose 6.3% in pre-market trading after presenting long-term skin-clearance data for envudeucitinib at the Cantor Fitzgerald Global Healthcare Conference. Management highlighted potential partnerships and insider Srinivas Akkaraju bought 986,000 shares. The FDA application for envudeucitinib is expected in Q4 2026.

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Alumis (ALMS) Plans to Advance Envudeucitinib After LUMUS Missed in the Overall Population

Alumis Inc. (ALMS) reported that its Phase 2b LUMUS trial of envudeucitinib in systemic lupus erythematosus did not meet primary or secondary endpoints in the overall population. However, a prespecified subgroup with high interferon gene signature showed numerically higher responses. The company plans to discuss Phase 3 trial design with regulators. Envudeucitinib was generally well tolerated.

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Alumis Phase 2b LUMUS Trial Misses Endpoints; Stock Plunges

Alumis Inc. (ALMS) reported Phase 2b LUMUS trial results for Envudeucitinib in SLE, missing primary and secondary endpoints overall but showing promise in a subset of patients with high interferon gene signature. The drug demonstrated improvements in several measures in this subgroup and was well tolerated. The company plans to discuss Phase 3 development with regulators. ALMS stock fell over 55% in pre-market trading.

$ALMSHighAI 8/10

Why is Alumis stock collapsing today?

Alumis stock fell 54.2% in pre-market trading after its Phase 2b LUMUS trial for envudeucitinib in systemic lupus erythematosus missed primary and secondary endpoints. A subgroup of patients showed positive responses, but the overall trial population was under-represented. The company plans to discuss a Phase 3 program with regulators. The Nasdaq, S&P 500, and Dow Jones also declined, exacerbating the sell-off.