The interim Proteus data represents a meaningful technical validation that de-risks the platform ahead of the Q2 2027 launch target. Key milestones to watch for: demonstration of all 20 amino acid detection by end of 2026, completion of AI-based reference-free sequencing algorithms in 2027, and early customer adoption indicators from proteomics research labs post-launch.
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Executive Summary
Quantum-Si presented interim development data for its next-generation Proteus platform at World HUPO 2026, showing significant performance improvements over its commercially available Platinum Pro instrument. Proteus delivered 30x more alignments per single chamber run, identified all 6 control peptides in every run (vs 3-5/6 for Platinum), and achieved a 4.8x lower false discovery rate (1.36% vs 6.58%). The company reiterated that Proteus remains on track for launch in Q2 2027.
Key Facts
- Proteus delivered 30x more median reported alignments per single chamber run vs Platinum Pro (4,094,411 vs 135,901.5)
- Proteus identified all 6 control peptides in every run; Platinum identified 3-5 of 6
- Proteus achieved 1.36% median false discovery rate vs 6.58% for Platinum (4.8x lower)
- In a 24-protein panel, Proteus detected all 24 proteins vs average 20.3 on Platinum Pro
- Proteus detected 4.3x more amino acids per run (269,864 vs 63,366) in 24-plex protein mixture
- Proteus launch remains on track for Q2 2027
- Company expects to demonstrate detection of all 20 amino acids by end of 2026
Financial Impact
No financial data provided; pre-revenue development-stage company. Filing contains no revenue, earnings, or cash flow figures.
Risk Factors
- Proteus is still in development and not fully optimized; interim data may not reflect final commercial performance
- No revenue or financial guidance was provided in the filing
- Commercial adoption timeline and commercial library prep kit performance remain unvalidated
- Competitive landscape in single-molecule protein sequencing remains nascent and uncertain
Investment Themes
Documents Analyzed
This report is based on 6 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| 8-K Filing (Primary) | 0001816431-26-000061 |
| Document: proteus_worldhupo2026.htm | 0001816431-26-000061 |
| Document: proteusvsplatinumdatapr.htm | 0001816431-26-000061 |
| Document: 0001816431-26-000061-index-headers.html | 0001816431-26-000061 |
| Document: 0001816431-26-000061-index.html | 0001816431-26-000061 |
| Document: 0001816431-26-000061.txt | 0001816431-26-000061 |
Track record builds as more directional reports settle.
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 15, 2026 11d ago | 8-K | $1.31 $1.15 | ▼ −12.21% | ▼ −11.20% | $1.46 (+11.45%) |
Oct 15, 2026 11d ago | Press Release | $1.31 $1.15 | ▼ −12.21% | ▼ −11.20% | $1.46 (+11.45%) |
Oct 8, 2026 18d ago | 8-K | $1.53 $1.12 | ▼ −26.80% | ▼ −24.83% | $1.46 (−4.58%) |
Sep 28, 2026 27d ago | 8-K | $0.9581 $1.22 | ▲ +27.34% | ▲ +25.39% | $1.46 (+52.38%) |
Sep 23, 2026 4w ago | 144 | $0.7850 $1.43 | ▲ +82.17% | ▲ +82.58% | $1.46 (+85.99%) |
Sep 23, 2026 4w ago | 144 | $0.7850 $1.43 | ▲ +82.17% | ▲ +82.58% | $1.46 (+85.99%) |
Jun 24, 2026 17w ago | 144 | $0.8573 $0.9241 | ▲ +7.79% | ▲ +6.23% | $1.46 (+70.30%) |
Jun 24, 2026 17w ago | 144 | $0.8573 $0.9241 | ▲ +7.79% | ▲ +6.23% | $1.46 (+70.30%) |
Jun 24, 2026 17w ago | 8-K | $0.8573 $0.9241 | ▲ +7.79% | ▲ +6.23% | $1.46 (+70.30%) |
Mar 20, 2026 31w ago | Insider Cluster | $0.8450 $0.7640 | ▼ −9.59% | ▼ −7.44% | $1.46 (+72.78%) |
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