Protagonist Therapeutics Inc. Common Stock (PTGX)
Stock · NASDAQ · Health Care
$144.15as of 8/28/2026
Price chart
Open in TradingViewActive signals
High Beta39.8%
Volume Spike7.5%Support level
$97.95
Industry
Biotechnology: Pharmaceutical Preparations
How Protagonist Therapeutics Inc. Common Stock Makes Money
Where the revenue actually goes — FY2018 annual results
Source: 10-K filed Mar 12, 2019 · via SEC EDGAR / Finnhub
Protagonist Therapeutics Inc. Common Stock Competitors
Chosen by industry and closest market cap.
- PTGXProtagonist Therapeutics Inc. Common Stock$144.15▼ 3.58%Market cap $9.40BP/E —
- SYRESpyre Therapeutics Inc. Common Stock$90.4▼ 3.43%Market cap $9.12BP/E —$14.51$110.18
- CYTKCytokinetics Incorporated Common Stock$72.17▼ 7.36%Market cap $10.13BP/E —$35.22$88.31
- PRAXPraxis Precision Medicines Inc. Common Stock$344.95▼ 6.23%Market cap $10.32BP/E —
- SMMTSummit Therapeutics Inc. Common Stock$13.71▼ 4.33%Market cap $10.80BP/E —$12.07$29.23
- AXSMAxsome Therapeutics Inc. Common Stock$199.01▼ 3.52%Market cap $10.81BP/E —$112.9$260.19
- RYTMRhythm Pharmaceuticals Inc. Common Stock$107.23▼ 4.71%Market cap $7.72BP/E —
| Symbol | Market cap | P/E ratio | Price | 1D | 52-week range |
|---|---|---|---|---|---|
| PTGX Protagonist Therapeutics Inc. Common Stock | $9.40B | — | $144.15 | ▼ 3.58% | |
| SYRE Spyre Therapeutics Inc. Common Stock | $9.12B | — | $90.4 | ▼ 3.43% | $14.51$110.18 |
| CYTK Cytokinetics Incorporated Common Stock | $10.13B | — | $72.17 | ▼ 7.36% | $35.22$88.31 |
| PRAX Praxis Precision Medicines Inc. Common Stock | $10.32B | — | $344.95 | ▼ 6.23% | |
| SMMT Summit Therapeutics Inc. Common Stock | $10.80B | — | $13.71 | ▼ 4.33% | $12.07$29.23 |
| AXSM Axsome Therapeutics Inc. Common Stock | $10.81B | — | $199.01 | ▼ 3.52% | $112.9$260.19 |
| RYTM Rhythm Pharmaceuticals Inc. Common Stock | $7.72B | — | $107.23 | ▼ 4.71% |
P/E shows — for peers not currently carrying a live signal of their own.
Latest news
Institutional Ownership
March 31, 2026
- Total shares held
- 76.12M
- Total value held
- $7.77B
- Institutional holders
- 319
Top holders this quarter
- Unknown9.78M
- Unknown6.35M
- Unknown5.18M
- Unknown5.06M
- Unknown3.60M
- Unknown3.48M
- Unknown3.12M
- Unknown2.89M
- Unknown2.45M
- Unknown2.16M
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