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Protagenic Therapeutics, Inc.

PTIX
Exchange
OTC
Industry
Pharmaceutical Preparations
SEC CIK
0001022899

In the last 90 days, Protagenic Therapeutics, Inc. insiders filed 7 open-market purchases and 0 sales; 2 institutions reported holding it in 13F filings for Q2 2026, worth $25.4K in total; no superinvestor holds it.

Q2 2025 vs. Q1 2025

How the institutions holding Protagenic Therapeutics, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of PTIX: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders911+2
Shares337.8K70.6K−267.1K (−79.1%)
Value$65.9K$258.1K+$192.2K (+291.8%)

New holders (7)

Institutions that held Protagenic Therapeutics, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to PTIX in Q2 2025
InstitutionSharesValue% of portfolio
Alpine Global Management, LLC16,351$59.7K0.01%
Morgan Stanley15,002$54.8K0.00%
Susquehanna International Group, LLP10,156$37.1K0.00%
UBS Group AG9,020$32.9K0.00%
Citigroup Inc390$1.42K0.00%
Raymond James Financial Inc1$40.00%
Harbor Investment Advisory, LLC1$40.00%

Sold out (5)

Institutions that held Protagenic Therapeutics, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of PTIX in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
HRT Financial LP124,015$24.0K
Geode Capital Management, LLC77,296$15.1K
Vanguard Group Inc33,166$6.47K
Two Sigma Securities, LLC27,968$5.46K
State Street Corp13,812$2.69K