PTGX Institutional Ownership
PROTAGONIST THERAPEUTICS INC
Latest close $145.87 as of Aug 7, 2026
PTGX institutional ownership at a glance
Follow PROTAGONIST THERAPEUTICS INC institutional ownership through recent Schedule 13G and 13D filings. Compare reported shares, ownership percentages, filing dates, and changes in beneficial ownership over time.
Latest filing: State Street filed Initial Schedule 13G on Aug 7, 2026, reporting 3.3M shares and 5.20% beneficial ownership.
How to read Schedule 13 ownership changes
Schedule 13G/13D reports beneficial ownership at an observation date. “Accumulation” or “reduction” is inferred from changes in reported shares when available; it is not a list of individual trades or exact execution prices.
Form 13F rows are quarter-end holding context only and do not establish an exact entry date.
For more context, see how to read a Schedule 13G, filing date vs event date, or Schedule 13G vs Schedule 13D.
Institutional Research
This gauge summarizes recent agreement across tracked institutional activity.
1 accumulating, 1 reducing across 2 comparable institutions.
The overall consensus is public. Detailed holder comparisons, breadth history, ownership charts, and filing-specific signal analysis remain part of Investor and Pro research.
Price context
52-week position is market context and does not change the institutional consensus score.
Tracked institutions
Public holder names and filing freshness. Detailed institution-by-institution analysis is locked.
Beneficial ownership filing history
Showing 3 of 10 filing(s) · 7 older require more history access| Holder | Observed / filed | Reported change | Shares | Ownership | Observation | Filing | Latest |
|---|---|---|---|---|---|---|---|
| State Street CIK0000093751 | Jun 30, 2026 observed Aug 7, 2026 filed · 38d Initial Schedule 13G | Initial Schedule 13G | 3.3M +204.8K | 5.20% -6.80 pts | $122.58 | $145.87 | $145.87 |
| State Street CIK0000093751 | Mar 31, 2026 observed May 12, 2026 filed · 42d Initial Schedule 13G | Initial Schedule 13G | 3.1M -91.0K | 12.00% 0.00 pts | $105.40 | $99.95 | $145.87 |
| Vanguard Capital Management CIK0002100119 | Mar 31, 2026 observed Apr 30, 2026 filed · 30d Initial Schedule 13G | Initial Schedule 13G | 3.3M | 5.09% | $105.40 | $98.97 | $145.87 |
Related research
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