Funds Stocks Activity Screener Pricing

Sign in Upgrade

Institutional ownership & 13F research, built on official SEC filings. Track what the smart money is buying and selling.

Research

Institutional Funds
Stocks & Ownership
Screener
Latest Activity

Product

Pricing
Sign In
Create Account
My Account

About

About FBInvestor
Data & Methodology
Disclaimer

© 2026 FBInvestor. Data sourced from SEC EDGAR Form 13F filings.

Not investment advice. For informational purposes only.

Protagenic Therapeutics Inc — Short Interest · FBInvestor

Stocks / Protagenic Therapeutics Inc

Institutional Ownership

Protagenic Therapeutics Inc

CUSIP 74365N111*W EXP 04/26/202PTIXQ4 2025

Overview Short Owners Forecast Dividends Earnings Insider

No short-interest data on record yet

FINRA publishes consolidated short interest twice a month. Coverage expands as the bi-monthly feed runs.