Protagenic Therapeutics, Inc.\new - PTIX

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q4 2025 · Compare: Q3 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
DRW Securities, LLC History Added to 42,854 55 0.0% 0.0% 1 +6,645 18.35% Q4 2025 Feb 12, 2026
FNY Investment Advisers, LLC History Added to 25,000 32 0.01% 0.02% 2 +7,500 42.86% Q4 2025 Jan 16, 2026
CITADEL ADVISORS LLC History New 23,311 30 0.0% — 3 +23,311 New Q4 2025 Feb 17, 2026
GEODE CAPITAL MANAGEMENT, LLC History New 12,182 15 0.0% — 4 +12,182 New Q4 2025 Feb 09, 2026
RAYMOND JAMES FINANCIAL INC History New 10,001 13 0.0% — 5 +10,001 New Q4 2025 Feb 18, 2026
Tower Research Capital LLC (TRC) History Added to 3,045 3 0.0% 0.0% 6 +1,803 145.17% Q4 2025 Feb 17, 2026
Connective Capital Management, LLC History Closed out 0 0 — 0.09% — -28,600 -100.0% Q4 2025 Feb 19, 2026
MORGAN STANLEY History Reduced 2 0 — 0.0% — -15,000 -99.99% Q4 2025 May 27, 2026
CITIGROUP INC History Closed out 0 0 — 0.0% — -1,776 -100.0% Q4 2025 Feb 13, 2026
UBS Group AG History Closed out 0 0 — — — -56 -100.0% Q4 2025 Jan 29, 2026
OSAIC HOLDINGS, INC. History New 49 0 — — — +49 New Q4 2025 Feb 17, 2026
BANK OF AMERICA CORP /DE/ History Added to 17 0 — — — +9 112.5% Q4 2025 Feb 17, 2026
HARBOR INVESTMENT ADVISORY, LLC History No change 1 0 — — — 0 0.0% Q4 2025 Jan 07, 2026
CWM, LLC History No change 1 0 — — — 0 0.0% Q4 2025 Jan 26, 2026
United Financial Planning Group LLC History No change 17 0 — — — 0 0.0% Q4 2025 Feb 11, 2026