Rein TherapeuticsRNTX
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 40 institutions reported holding Rein Therapeutics Inc. (RNTX) in their 13F filings, up 4 from Q2 2025. 6 opened new positions and 2 sold out. The largest holders were Voss Capital, LP ($3.1M), BIOS Capital Management, LP ($1.9M) and Vanguard Group Inc. ($1.3M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).
- Company
- Rein Therapeutics Inc.
- CUSIP
- 00887A204
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 6 | $104K |
| Exits | 2 | $2K |
All 13F filers, Q2 2025 → Q3 2025: 1,910,164 shares bought and 78,139 shares sold, net +1,832,025 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 40 holders
| Voss Capital, LP | 0.18% | Add +86.0% | 2,666,532 | $3.1M |
| BIOS Capital Management, LP | 2.19% | No change | 1,690,751 | $1.9M |
| Vanguard Group Inc. | 0.00% | Add +32.2% | 1,168,407 | $1.3M |
| Prosight Management, LP | 0.16% | Add +32.7% | 567,898 | $650K |
| University of Texas/Texas Am Investment Management Co. | 0.08% | No change | 511,610 | $586K |
| Cable Car Capital, LP | 0.36% | No change | 420,000 | $481K |
| Sigma Planning Corp | 0.01% | Reduce -8.3% | 253,827 | $291K |
| Geode Capital Management, LLC | 0.00% | Add +0.8% | 247,311 | $283K |
| Senvest Management, LLC | 0.01% | No change | 230,895 | $264K |
| Gagnon Securities LLC | 0.05% | Add +218.8% | 228,692 | $262K |
| BlackRock, Inc. | 0.00% | Add +2.8% | 52,874 | $61K |
| KCK LTD. | 0.34% | No change | 22,341 | $52K |
| Northwestern Mutual Wealth Management Co. | 0.00% | Reduce -12.8% | 42,440 | $49K |
| Chicago Partners Investment Group LLC | 0.00% | Reduce -24.7% | 31,048 | $41K |
| Susquehanna International Group, LLP | 0.00% | New | 30,860 | $35K |
| Exencial Wealth Advisors, LLC | 0.00% | No change | 30,528 | $35K |
| Meridian Wealth Advisors, LLC | 0.00% | No change | 28,486 | $33K |
| Citadel Advisors | 0.00% | Reduce -41.2% | 28,201 | $32K |
| Texas Capital Bank Wealth Management Services Inc | 0.00% | No change | 26,171 | $30K |
| Northern Trust Corp. | 0.00% | No change | 25,763 | $29K |
| Blair William & Co. | 0.00% | Reduce -1.0% | 23,393 | $27K |
| Gleason Group, Inc. | 0.00% | No change | 22,389 | $26K |
| Renaissance Technologies | 0.00% | New | 18,298 | $21K |
| KG Capital Management | 0.01% | No change | 18,000 | $21K |
| Americana Partners, LLC | 0.00% | No change | 17,302 | $20K |
| State Street Corp. | 0.00% | No change | 16,004 | $18K |
| XTX Topco Ltd | 0.00% | New | 14,984 | $17K |
| Cetera Investment Advisers | 0.00% | Reduce -9.4% | 12,364 | $14K |
| Warberg Asset Management LLC | 0.05% | New | 11,000 | $13K |
| Mercer Global Advisors Inc. | 0.00% | New | 10,461 | $12K |
| Global Retirement Partners, LLC | 0.00% | No change | 7,200 | $8K |
| Rockefeller Capital Management L.P. | 0.00% | New | 5,097 | $6K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +71.6% | 5,029 | $6K |
| JFS Wealth Advisors, LLC | 0.00% | No change | 1,590 | $2K |
| US Bancorp \de | 0.00% | No change | 1,250 | $1K |
| Bank of America Corp. | 0.00% | Reduce -61.8% | 100 | $115 |
| UBS Group AG | 0.00% | Reduce -99.5% | 83 | $95 |
| Osaic Holdings, Inc. | 0.00% | No change | 35 | $40 |
| Blue Trust, Inc. | 0.00% | No change | 20 | $23 |
| Acadian Asset Management LLC | 0.00% | No change | 17 | $0 |
"% of holder's portfolio" is RNTX's weight in each manager's 13F, not the share of Rein Therapeutics Inc. the manager owns.