13 institutions reported holding $44,387 of PROTAGENIC THERAPEUTICS INC (PTIX) in SEC 13F filings for 2026-03-31. Largest institutional holders: DRW Securities, LLC ($28,307), FNY Investment Advisers, LLC ($16,000), CoreCap Advisors, LLC ($68), United Financial Planning Group LLC ($12), CWM, LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | DRW Securities, LLC | $28,307 | 41,783 | Trimmed |
| 2 | FNY Investment Advisers, LLC | $16,000 | 25,000 | Hold |
| 3 | CoreCap Advisors, LLC | $68 | 100 | New |
| 4 | United Financial Planning Group LLC | $12 | 17 | Hold |
| 5 | CWM, LLC | $0 | 0 | Exited |
| 6 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 7 | HARBOR INVESTMENT ADVISORY, LLC | $0 | 0 | Exited |
| 8 | OSAIC HOLDINGS, INC. | $0 | 0 | Exited |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 10 | Tower Research Capital LLC (TRC) | $0 | 0 | Exited |
| 11 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 12 | RAYMOND JAMES FINANCIAL INC | $0 | 0 | Exited |
| 13 | MORGAN STANLEY | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31