Protagenic TherapeuticsPTIX
13F holders, Q3 2025 (September 30)11holders
3new positions
4sold out
$3.43avg. 13F price*
At the end of Q3 2025, 11 institutions reported holding Protagenic Therapeutics Inc. (PTIX) in their 13F filings, unchanged from Q2 2025. 3 opened new positions and 4 sold out. The largest holders were DRW Securities, LLC ($124K), Connective Capital Management, LLC ($98K) and FNY Investment Advisers, LLC ($60K).
- Company
- Protagenic Therapeutics Inc.
- CUSIP
- 74365N301
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $282K |
| Exits | 4 | $166K |
All 13F filers, Q2 2025 → Q3 2025: 84,063 shares bought and 54,280 shares sold, net +29,783 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 11 holders
| DRW Securities, LLC | 0.01% | New | 36,209 | $124K |
| Connective Capital Management, LLC | 0.09% | New | 28,600 | $98K |
| FNY Investment Advisers, LLC | 0.02% | New | 17,500 | $60K |
| Morgan Stanley | 0.00% | No change | 15,002 | $51K |
| Citigroup Inc. | 0.00% | Add +355.4% | 1,776 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +41.8% | 1,242 | $4K |
| UBS Group AG | 0.00% | Reduce -99.4% | 56 | $192 |
| United Financial Planning Group LLC | 0.00% | — | 17 | $58 |
| Bank of America Corp. | 0.00% | Add +33.3% | 8 | $27 |
| Harbor Investment Advisory, LLC | 0.00% | No change | 1 | $3 |
| Cwm, LLC | 0.00% | No change | 1 | $0 |
"% of holder's portfolio" is PTIX's weight in each manager's 13F, not the share of Protagenic Therapeutics Inc. the manager owns.