PROTAGONIST THERAPEUTICS INC (PTGX) Institutional Ownership
PTGX is currently held by 1 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $2.57M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.
The largest disclosed holder is Polen Capital Management, which reported ownership valued at approximately $2.57M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Polen Capital Management's PTGX position is now estimated to be worth approximately $2.71M, representing an estimated gain of +5.73% since the filing period.
Major shareholders tracked on this page include Polen Capital Management, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.
This page tracks smart money ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward PROTAGONIST THERAPEUTICS INC (PTGX).
Institutional Ownership Trend
| Portfolio quarter | Institutional holders | Total reported value | Total shares |
|---|---|---|---|
| Q1 2026 | 1 | $2,565,120 | 24,337 |
| Q4 2025 | 2 | $2,490,588 | 28,516 |
| Q3 2025 | 1 | $1,350,190 | 20,325 |
| Q2 2025 | 2 | $10,453,381 | 189,133 |
| Q1 2025 | 1 | $15,647,700 | 323,567 |
| Q4 2024 | 1 | $8,537,046 | 221,167 |
| Q3 2024 | 1 | $6,487,515 | 144,167 |
| Q2 2024 | 1 | $10,307,232 | 297,467 |
| Q1 2024 | 1 | $942 | 32,567 |
| Q4 2023 | 1 | $4,906 | 213,967 |
| Q3 2023 | 1 | $3,774 | 226,268 |
| Q2 2023 | 1 | $10,779 | 390,267 |
Related PTGX Institutional Insights:
- PTGX Institutional Ownership & Insiders Activity
- PTGX Institutional Ownership & 13F Activity
- PTGX Top Institutional Shareholders
- PTGX Institutional Buying Activity
- PTGX Institutional Selling Activity
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- PTGX Insider Trading & SEC Form 4 Activity
- Top Institutional Investor Stock Rankings