Rein Therapeutics, Inc.
RNTX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001420565
No open-market purchases or sales by Rein Therapeutics, Inc. insiders were filed in the last 90 days; 59 institutions reported holding it in 13F filings for Q2 2026, worth $42.3M in total; no superinvestor holds it.
13F holders, Q4 2025
Institutional positions in Rein Therapeutics, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 48
- +9 vs. Q3 2025
- Shares held
- 10.8M
- +2.33M (+27.6%) vs. Q3 2025
- Total value
- $12.5M
- +$2.84M (+29.2%) vs. Q3 2025
- New holders
- 13
- 14 more added
- Sold out
- 4
- 5 more reduced
1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting RNTX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 59 | $42.3M |
| Q1 2026 | 46 | $14.8M |
| Q4 2025 | 48 | $12.5M |
| Q3 2025 | 40 | $9.76M |
| Q2 2025 | 36 | $9.30M |
| Q1 2025 | 39 | $10.6M |
| Q4 2024 | 31 | $13.1M |
| Q3 2024 | 32 | $16.3M |
| Q2 2024 | 29 | $13.5M |
| Q1 2024 | 23 | $11.0M |
| Q4 2023 | 20 | $3.24M |
| Q3 2023 | 16 | $1.59M |
| Q2 2023 | 17 | $1.83M |
| Q1 2023 | 19 | $1.30M |
| Q4 2022 | 19 | $3.21M |
| Q3 2022 | 33 | $5.86M |
| Q2 2022 | 37 | $8.34M |
| Q1 2022 | 42 | $16.5M |
| Q4 2021 | 43 | $18.9M |
| Q3 2021 | 43 | $33.6M |
| Q2 2021 | 47 | $41.5M |
| Q1 2021 | 52 | $48.0M |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Rein Therapeutics, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Acadian Asset Management LLC | 17 | $0 | 0.00% | 00.0% | Unchanged |
| Motiv8 Investments LLC | 25 | $0 | 0.00% | +25 | New |
| Ronald Blue Trust, Inc. | 20 | $23 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 42 | $49 | 0.00% | −58−58.0% | Reduced |
| Advisor Group Holdings, Inc. | 70 | $81 | 0.00% | +35+100.0% | Added |
| US Bancorp | 1,250 | $1.45K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 1,590 | $1.84K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 1,957 | $2.27K | 0.00% | −3,072−61.1% | Reduced |
| New Millennium Group LLC | 2,038 | $2.36K | 0.00% | +2,038 | New |
| Rockefeller Capital Management L.P. | 5,097 | $5.91K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 9,516 | $11.0K | 0.00% | +9,433+11,365.1% | Added |
| HighTower Advisors, LLC | 10,000 | $11.6K | 0.00% | +10,000 | New |
| Cetera Investment Advisers | 12,364 | $14.3K | 0.00% | 00.0% | Unchanged |
| Virtu Financial LLC | 13,663 | $16.0K | 0.00% | +13,663 | New |
| Annandale Capital, LLC | 15,026 | $17.0K | 0.00% | +15,026 | New |
| Two Sigma Securities, LLC | 17,254 | $20.0K | 0.00% | +17,254 | New |
| Americana Partners, LLC | 17,302 | $20.1K | 0.00% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 17,961 | $20.8K | 0.00% | +7,500+71.7% | Added |
| KG&L Capital Management,LLC | 18,000 | $20.9K | 0.01% | 00.0% | Unchanged |
| Cane Capital Partners, LLC | 18,000 | $20.9K | 0.01% | +18,000 | New |
| Global Retirement Partners, LLC | 19,316 | $22.4K | 0.00% | +12,116+168.3% | Added |
| Ancora Advisors, LLC | 20,000 | $23.2K | 0.00% | +20,000 | New |
| Gleason Group, Inc. | 22,389 | $26.0K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 22,700 | $26.3K | 0.00% | +4,402+24.1% | Added |
| Meridian Wealth Advisors, LLC | 28,486 | $33.0K | 0.00% | 00.0% | Unchanged |
| HRT Financial LP | 33,237 | $38.0K | 0.00% | +33,237 | New |
| Chicago Partners Investment Group LLC | 31,048 | $42.5K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 40,469 | $46.9K | 0.00% | +14,706+57.1% | Added |
| Two Sigma Investments, LP | 41,709 | $48.4K | 0.00% | +41,709 | New |
| Northwestern Mutual Wealth Management Co | 42,440 | $49.2K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 55,006 | $63.8K | 0.00% | +2,132+4.0% | Added |
| Susquehanna International Group, LLP | 58,995 | $68.4K | 0.00% | +28,135+91.2% | Added |
| Jane Street Group, LLC | 61,960 | $71.9K | 0.00% | +61,960 | New |
| State Street Corp | 75,904 | $88.0K | 0.00% | +59,900+374.3% | Added |
| Rock Creek Group, LP | 100,000 | $116.0K | 0.01% | +100,000 | New |
| Citadel Advisors LLC | 120,083 | $139.3K | 0.00% | +91,882+325.8% | Added |
| ABS Direct Equity Fund LLC | 125,000 | $145.0K | 0.17% | +125,000 | New |
| Senvest Management, LLC | 230,895 | $267.8K | 0.01% | 00.0% | Unchanged |
| Gagnon Securities LLC | 240,220 | $278.7K | 0.06% | +11,528+5.0% | Added |
| Sigma Planning Corp | 247,277 | $298.6K | 0.01% | −6,550−2.6% | Reduced |
| Texas Capital Bank Wealth Management Services Inc | 262,125 | $304.1K | 0.02% | +235,954+901.6% | Added |
| Geode Capital Management, LLC | 284,555 | $330.2K | 0.00% | +37,244+15.1% | Added |
| Cable Car Capital LLC | 420,000 | $487.2K | 0.03% | 00.0% | Unchanged |
| Prosight Management, LP | 442,600 | $513.4K | 0.11% | −125,298−22.1% | Reduced |
| University of Texas/Texas Am Investment Managment Co | 511,610 | $593.5K | 0.08% | 00.0% | Unchanged |
| Vanguard Group Inc | 1,165,807 | $1.35M | 0.00% | −2,600−0.2% | Reduced |
| BIOS Capital Management, LP | 1,690,751 | $1.96M | 2.37% | 00.0% | Unchanged |
| Voss Capital, LLC | 4,243,969 | $4.92M | 0.26% | +1,577,437+59.2% | Added |
| Exencial Wealth Advisors, LLC | 0 | $0 | 0.00% | −30,528−100.0% | Sold out |
| Blair William & Co | 0 | $0 | 0.00% | −23,393−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −14,984−100.0% | Sold out |
| Warberg Asset Management LLC | 0 | $0 | 0.00% | −11,000−100.0% | Sold out |
| KCK Ltd. | – | – | – | – | Not filed |