Rein Therapeutics, Inc. - RNTX
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 1 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Voss Capital, LP | History | Added to | 4,243,969 | 4,923 | 0.24% | 0.15% | 1 | +1,577,437 | 59.16% | Q4 2025 | Feb 13, 2026 |
| BIOS Capital Management, LP | History | No change | 1,690,751 | 1,961 | 2.37% | 2.19% | 2 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| VANGUARD GROUP INC | History | Reduced | 1,165,807 | 1,352 | 0.0% | 0.0% | 3 | -2,600 | -0.22% | Q4 2025 | Jan 29, 2026 |
| UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | History | No change | 511,610 | 593 | 0.08% | 0.08% | 4 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Prosight Management, LP | History | Reduced | 442,600 | 513 | 0.11% | 0.15% | 5 | -125,298 | -22.06% | Q4 2025 | Feb 13, 2026 |
| Cable Car Capital, LP | History | No change | 420,000 | 487 | 0.02% | 0.21% | 6 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 284,555 | 330 | 0.0% | 0.0% | 7 | +37,244 | 15.06% | Q4 2025 | Feb 09, 2026 |
| Texas Capital Bank Wealth Management Services Inc | History | Added to | 262,125 | 304 | 0.02% | 0.0% | 8 | +235,954 | 901.59% | Q4 2025 | Feb 09, 2026 |
| Sigma Planning Corp | History | Reduced | 247,277 | 298 | 0.01% | 0.01% | 9 | -6,550 | -2.58% | Q4 2025 | Jan 30, 2026 |
| GAGNON SECURITIES LLC | History | Added to | 240,220 | 278 | 0.06% | 0.05% | 10 | +11,528 | 5.04% | Q4 2025 | Feb 13, 2026 |
| Senvest Management, LLC | History | No change | 230,895 | 267 | 0.01% | 0.01% | 11 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| ABS Direct Equity Fund LLC | History | New | 125,000 | 145 | 0.17% | — | 12 | +125,000 | New | Q4 2025 | Jan 30, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 120,083 | 139 | 0.0% | 0.0% | 13 | +91,882 | 325.81% | Q4 2025 | Feb 17, 2026 |
| Rock Creek Group, LP | History | New | 100,000 | 116 | 0.01% | — | 14 | +100,000 | New | Q4 2025 | Feb 10, 2026 |
| STATE STREET CORP | History | Added to | 75,904 | 88 | 0.0% | 0.0% | 15 | +59,900 | 374.28% | Q4 2025 | Feb 13, 2026 |
| JANE STREET GROUP, LLC | History | New | 61,960 | 71 | 0.0% | — | 16 | +61,960 | New | Q4 2025 | Feb 12, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 58,995 | 68 | 0.0% | 0.0% | 17 | +28,135 | 91.17% | Q4 2025 | Feb 17, 2026 |
| BlackRock, Inc. | History | Added to | 55,006 | 63 | 0.0% | 0.0% | 18 | +2,132 | 4.03% | Q4 2025 | Feb 12, 2026 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | No change | 42,440 | 49 | 0.0% | 0.0% | 19 | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 41,709 | 48 | 0.0% | — | 20 | +41,709 | New | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 40,469 | 46 | 0.0% | 0.0% | 21 | +14,706 | 57.08% | Q4 2025 | Feb 17, 2026 |
| Chicago Partners Investment Group LLC | History | No change | 31,048 | 42 | 0.0% | 0.0% | 22 | 0 | 0.0% | Q4 2025 | Jan 28, 2026 |
| HRT FINANCIAL LP | History | New | 33,237 | 38 | 0.0% | — | 23 | +33,237 | New | Q4 2025 | Feb 12, 2026 |
| Meridian Wealth Advisors, LLC | History | No change | 28,486 | 33 | 0.0% | 0.0% | 24 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 22,700 | 26 | 0.0% | 0.0% | 25 | +4,402 | 24.06% | Q4 2025 | Feb 12, 2026 |
| Gleason Group, Inc. | History | No change | 22,389 | 25 | 0.0% | 0.0% | 26 | 0 | 0.0% | Q4 2025 | Jan 15, 2026 |
| Ancora Advisors LLC | History | New | 20,000 | 23 | 0.0% | — | 27 | +20,000 | New | Q4 2025 | Feb 17, 2026 |
| Global Retirement Partners, LLC | History | Added to | 19,316 | 22 | 0.0% | 0.0% | 28 | +12,116 | 168.28% | Q4 2025 | Feb 06, 2026 |
| Cane Capital Partners, LLC | History | New | 18,000 | 20 | 0.01% | — | 33 | +18,000 | New | Q4 2025 | Jan 21, 2026 |
| TWO SIGMA SECURITIES, LLC | History | New | 17,254 | 20 | 0.0% | — | 30 | +17,254 | New | Q4 2025 | Feb 17, 2026 |
| MERCER GLOBAL ADVISORS INC /ADV | History | Added to | 17,961 | 20 | 0.0% | 0.0% | 29 | +7,500 | 71.69% | Q4 2025 | Feb 18, 2026 |
| KG&L Capital Management,LLC | History | No change | 18,000 | 20 | 0.0% | 0.01% | 31 | 0 | 0.0% | Q4 2025 | Jan 23, 2026 |
| Americana Partners, LLC | History | No change | 17,302 | 20 | 0.0% | 0.0% | 32 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| Annandale Capital, LLC | History | New | 15,026 | 17 | 0.0% | — | 34 | +15,026 | New | Q4 2025 | Feb 12, 2026 |
| Virtu Financial LLC | History | New | 13,663 | 16 | 0.0% | — | 35 | +13,663 | New | Q4 2025 | Feb 23, 2026 |
| Cetera Investment Advisers | History | No change | 12,364 | 14 | 0.0% | 0.0% | 36 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| HighTower Advisors, LLC | History | New | 10,000 | 11 | 0.0% | — | 37 | +10,000 | New | Q4 2025 | Feb 06, 2026 |
| UBS Group AG | History | Added to | 9,516 | 11 | 0.0% | — | 38 | +9,433 | 11365.06% | Q4 2025 | Jan 29, 2026 |
| Rockefeller Capital Management L.P. | History | No change | 5,097 | 5 | 0.0% | 0.0% | 39 | 0 | 0.0% | Q4 2025 | Mar 16, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 1,957 | 2 | 0.0% | 0.0% | 40 | -3,072 | -61.09% | Q4 2025 | Feb 17, 2026 |
| New Millennium Group LLC | History | New | 2,038 | 2 | 0.0% | — | 41 | +2,038 | New | Q4 2025 | Feb 06, 2026 |
| US BANCORP \DE\ | History | No change | 1,250 | 1 | 0.0% | 0.0% | 42 | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |
| JFS WEALTH ADVISORS, LLC | History | No change | 1,590 | 1 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q4 2025 | Jan 14, 2026 |
| EXENCIAL WEALTH ADVISORS, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -30,528 | -100.0% | Q3 2025 | Oct 27, 2025 |
| BLAIR WILLIAM & CO/IL | History | Closed out | 0 | 0 | — | 0.0% | — | -23,393 | -100.0% | Q3 2025 | Nov 12, 2025 |
| XTX Topco Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -14,984 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Warberg Asset Management LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,000 | -100.0% | Q3 2025 | Nov 06, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 42 | 0 | — | — | — | -58 | -58.0% | Q4 2025 | Feb 17, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 70 | 0 | — | — | — | +35 | 100.0% | Q4 2025 | Feb 17, 2026 |
| Motiv8 Investments LLC | History | New | 25 | 0 | — | — | — | +25 | New | Q4 2025 | Feb 13, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | No change | 17 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Blue Trust, Inc. | History | No change | 20 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 16, 2026 |