The raised guidance and strong beat confirm accelerating ARCALYST adoption. Watch for KPL-387 Phase 2 data in 2H 2026 as the next major catalyst. The stock may gap up on this print given the magnitude of the beat and guidance raise.
Price Chart
Executive Summary
Kiniksa reported Q1 2026 revenue of $214.3M (56% YoY growth) and GAAP diluted EPS of $0.27, beating consensus EPS of $0.16. The company raised its 2026 ARCALYST net product revenue guidance to $930M-$945M from $900M-$920M, signaling accelerating commercial momentum.
Key Financial Metrics
Key Facts
- Q1 2026 ARCALYST net product revenue $214.3M, up 56% YoY from $137.8M
- GAAP diluted EPS $0.27 vs consensus $0.16 (beat by 68.8%)
- 2026 ARCALYST revenue guidance raised to $930M-$945M from $900M-$920M
- Net income $22.6M vs $8.5M in Q1 2025 (165% increase)
- Cash balance $468.1M, no debt; cash flow positive on annual basis
- KPL-387 Phase 2 data expected 2H 2026; Phase 3 pivotal trial initiation by year-end 2026
Financial Impact
Revenue guidance raised by $30M at midpoint; EPS beat of $0.11 vs consensus; net income more than doubled YoY
Risk Factors
- ARCALYST revenue concentration — single product risk
- KPL-387 Phase 2 data readout in 2H 2026 carries binary risk
- Operating expenses growing faster than revenue (49% vs 56%) may pressure margins
Market Snapshot
Investment Themes
Documents Analyzed
This report is based on 1 press release from GlobeNewswire.
| Document | Accession Number |
|---|---|
| PRESS-RELEASE Data (Synthetic) | press-3282473 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 27, 2026 today | 8-K | $76.00 | awaiting T+60 | — | $85.32 (+12.27%) |
Oct 27, 2026 today | Press Release | $75.00 | awaiting T+60 | — | $85.32 (+13.76%) |
Oct 22, 2026 4d ago | 8-K | $76.73 | awaiting T+60 | — | $85.32 (+11.20%) |
Oct 22, 2026 4d ago | Press Release | $80.79 | awaiting T+60 | — | $85.32 (+5.61%) |
Sep 3, 2026 7w ago | 144 | $77.91 | awaiting T+60 | — | $85.32 (+9.51%) |
Jul 28, 2026 13w ago | 8-K | $79.44 $79.70 | ▲ +0.33% | ▼ −4.02% | $85.32 (+7.40%) |
Jul 28, 2026 13w ago | Press Release | $79.44 $79.70 | ▲ +0.33% | ▼ −4.02% | $85.32 (+7.40%) |
May 26, 2026 21w ago | 8-K | $51.84 $78.47 | ▲ +51.37% | ▲ +49.49% | $85.32 (+64.58%) |
May 1, 2026 25w ago | 8-K | $57.62 $80.92 | ▲ +40.44% | ▲ +38.58% | $85.32 (+48.07%) |
Apr 28, 2026 25w ago | 144 | $52.99 $62.84 | ▼ −18.59% | ▼ −14.48% | $85.32 (−61.01%) |
US Market Status
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