59 institutions reported holding $16.4M of GAIN THERAPEUTIC (GANX) in SEC 13F filings for 2026-03-31. Largest institutional holders: MARSHALL WACE, LLP ($3.4M), Potomac Capital Management, Inc. ($2.0M), JONES FINANCIAL COMPANIES LLLP ($1.2M), Cambridge Investment Research Advisors, Inc. ($1.1M), DME Capital Management, LP ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MARSHALL WACE, LLP | $3.4M | 1.8M | Added |
| 2 | Potomac Capital Management, Inc. | $2.0M | 1.0M | Trimmed |
| 3 | JONES FINANCIAL COMPANIES LLLP | $1.2M | 631,615 | Trimmed |
| 4 | Cambridge Investment Research Advisors, Inc. | $1.1M | 568,645 | Hold |
| 5 | DME Capital Management, LP | $1.1M | 566,130 | Hold |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $910,960 | 469,567 | Trimmed |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $868,527 | 447,342 | Added |
| 8 | VANGUARD CAPITAL MANAGEMENT LLC | $775,779 | 399,886 | New |
| 9 | GSA CAPITAL PARTNERS LLP | $606,000 | 312,467 | Added |
| 10 | JANE STREET GROUP, LLC | $495,637 | 255,483 | Added |
| 11 | VANGUARD FIDUCIARY TRUST CO | $446,159 | 229,979 | New |
| 12 | BlackRock, Inc. | $436,589 | 225,046 | Added |
| 13 | UBS Group AG | $427,749 | 220,489 | Added |
| 14 | GROUP ONE TRADING LLC | $368,026 | 189,704 | Added |
| 15 | Cresset Asset Management, LLC | $310,400 | 160,000 | Hold |
| 16 | STATE STREET CORP | $305,622 | 157,537 | Hold |
| 17 | MORGAN STANLEY | $270,925 | 139,652 | Trimmed |
| 18 | Stratos Wealth Partners, LTD. | $255,345 | 131,621 | New |
| 19 | NORTHERN TRUST CORP | $221,154 | 113,997 | Added |
| 20 | LPL Financial LLC | $202,247 | 104,251 | Trimmed |
| 21 | CITADEL ADVISORS LLC | $137,352 | 70,800 | Trimmed |
| 22 | PRELUDE CAPITAL MANAGEMENT, LLC | $69,491 | 35,820 | Hold |
| 23 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $58,208 | 30,004 | Hold |
| 24 | COMMONWEALTH EQUITY SERVICES, LLC | $57,620 | 29,703 | Added |
| 25 | Apollon Wealth Management, LLC | $51,410 | 26,500 | Added |
Source: SEC Form 13F filings · as of 2026-03-31