55 institutions reported holding $14.8M of REIN THERAPEUTICS INC (RNTX) in SEC 13F filings for 2026-03-31. Largest institutional holders: Voss Capital, LP ($5.7M), BIOS Capital Management, LP ($2.6M), VANGUARD CAPITAL MANAGEMENT LLC ($1.3M), UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO ($665,093), Cable Car Capital, LP ($546,000). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Voss Capital, LP | $5.7M | 4.4M | Added |
| 2 | BIOS Capital Management, LP | $2.6M | 2.0M | Added |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $1.3M | 998,521 | New |
| 4 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | $665,093 | 511,610 | Hold |
| 5 | Cable Car Capital, LP | $546,000 | 420,000 | Hold |
| 6 | Prosight Management, LP | $535,080 | 411,600 | Trimmed |
| 7 | Sigma Planning Corp | $453,280 | 348,677 | Added |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $448,185 | 344,690 | Added |
| 9 | Texas Capital Bank Wealth Management Services Inc | $355,712 | 273,625 | Added |
| 10 | GAGNON SECURITIES LLC | $311,376 | 239,520 | Trimmed |
| 11 | Senvest Management, LLC | $300,164 | 230,895 | Hold |
| 12 | Palogic Value Management, L.P. | $234,000 | 180,000 | New |
| 13 | VANGUARD FIDUCIARY TRUST CO | $200,866 | 154,512 | New |
| 14 | Rock Creek Group, LP | $162,500 | 125,000 | Added |
| 15 | ABS Direct Equity Fund LLC | $162,500 | 125,000 | Hold |
| 16 | STATE STREET CORP | $98,675 | 75,904 | Hold |
| 17 | BlackRock, Inc. | $89,087 | 68,528 | Added |
| 18 | NORTHERN TRUST CORP | $83,377 | 64,136 | Added |
| 19 | Chicago Partners Investment Group LLC | $77,170 | 41,048 | Added |
| 20 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $55,172 | 42,440 | Hold |
| 21 | MERCER GLOBAL ADVISORS INC /ADV | $46,099 | 35,461 | Added |
| 22 | XTX Topco Ltd | $42,801 | 32,924 | New |
| 23 | TWO SIGMA SECURITIES, LLC | $41,227 | 31,713 | Added |
| 24 | EXENCIAL WEALTH ADVISORS, LLC | $39,687 | 30,528 | New |
| 25 | Meridian Wealth Advisors, LLC | $37,032 | 28,486 | Hold |
Source: SEC Form 13F filings · as of 2026-03-31