PROTAGONIST THERAPEUTICS INC (PTGX) Institutional Ownership and Insiders Activity
PROTAGONIST THERAPEUTICS INC (PTGX) is widely held by institutional investors, with 327 firms reporting positions valued at approximately $8.45B based on SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is the largest disclosed holder, reporting approximately $1.26B in PTGX holdings in its latest filing.
Recent insider activity includes 12 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.
Institutional Holders
327
Total Reported Value
$8.45B
Largest Holder
Blackrock, Inc.
Largest Position
$1.26B
Insider Transactions (90d)
12
Latest Filing Quarter
Q3 2026
New Institutional Positions
0
Funds Exiting Positions
322
Top Institutional Owners
View allInvestorReported Balance
- Blackrock, Inc.$1.26B
- Rtw Investments, Lp$620.40M
- Vanguard Portfolio Management Llc$444.88M
- Wellington Management Group Llp$418.83M
- Ubs Group Ag$416.68M
PTGX News
All news- Farallon Capital Management Llc: Recent Investment Activity Analysis
Aug 17, 2026 · valut.ai
- Johnson & Johnson Portfolio Concentration: Heavy Exposure in Healthcare Stocks
Aug 17, 2026 · valut.ai
Related PTGX Institutional Insights:
- PTGX 13F Institutional Holders
- PTGX Top Institutional Shareholders
- PTGX Institutional Ownership Changes
- 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
- PTGX Articles
- Top Institutional Investor Stock Rankings