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.
Q4 2021 vs. Q3 2021
How the institutions holding Protagenic Therapeutics, Inc. changed between Q3 2021 and Q4 2021.
All holders in Q4 2021All holders in Q3 2021
| Measure | Q3 2021 | Q4 2021 | Change |
|---|---|---|---|
| Holders | 19 | 19 | 0 |
| Shares | 967.9K | 953.6K | −14.2K (−1.5%) |
| Value | $1.81M | $1.32M | −$489.0K (−27.0%) |
New holders (4)
Institutions that held Protagenic Therapeutics, Inc. at the end of Q4 2021 but not at the end of Q3 2021.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| FNY Investment Advisers, LLC | 74,800 | $103.0K | 0.06% |
| Susquehanna International Group, LLP | 25,217 | $35.0K | 0.00% |
| Two Sigma Securities, LLC | 20,634 | $29.0K | 0.01% |
| CWM, LLC | 3 | $0 | 0.00% |
Sold out (4)
Institutions that held Protagenic Therapeutics, Inc. at the end of Q3 2021 and filed for Q4 2021 without it.
| Institution | Shares, Q3 2021 | Value, Q3 2021 |
|---|---|---|
| Citadel Advisors LLC | 38,712 | $72.0K |
| Susquehanna Fundamental Investments, LLC | 12,900 | $24.0K |
| First Republic Investment Management, Inc. | 10,500 | $20.0K |
| Barclays PLC | 113 | $0 |