Rein TherapeuticsRNTX
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 59 institutions reported holding Rein Therapeutics Inc. (RNTX) in their 13F filings, up 13 from Q1 2026. 19 opened new positions and 6 sold out. The largest holders were Voss Capital, LP ($5.5M), Cable Car Capital, LP ($5.4M) and ADAR1 Capital Management, LLC ($4.7M). 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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 19 | $18.0M |
| Exits | 6 | $105K |
All 13F filers, Q1 2026 → Q2 2026: 29,427,527 shares bought and 96,562 shares sold, net +29,330,965 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 59 holders
| Voss Capital, LP | 0.27% | Add +19.9% | 5,261,921 | $5.5M |
| Cable Car Capital, LP | 0.12% | Add +1136.9% | 5,195,000 | $5.4M |
| ADAR1 Capital Management, LLC | 0.22% | New | 4,500,000 | $4.7M |
| Vanguard Capital Management LLC | 0.00% | Add +238.3% | 3,377,910 | $3.5M |
| BIOS Capital Management, LP | 7.44% | Add +50.4% | 2,982,375 | $3.1M |
| Ikarian Capital, LLC | 0.50% | New | 2,950,000 | $3.1M |
| Great Point Partners LLC | 0.63% | New | 2,575,000 | $2.7M |
| Citadel Advisors | 0.00% | New | 2,438,711 | $2.5M |
| Velan Capital Investment Management LP | 1.08% | New | 1,700,000 | $1.8M |
| Senvest Management, LLC | 0.04% | Add +433.1% | 1,230,895 | $1.3M |
| Prosight Management, LP | 0.20% | Add +167.3% | 1,100,000 | $1.1M |
| Bleichroeder LP | 0.19% | New | 1,000,000 | $1.0M |
| Boothbay Fund Management, LLC | 0.02% | New | 889,450 | $925K |
| Geode Capital Management, LLC | 0.00% | Add +112.7% | 733,139 | $763K |
| University of Texas/Texas Am Investment Management Co. | 0.06% | No change | 511,610 | $532K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +147.6% | 382,515 | $398K |
| State Street Corp. | 0.00% | Add +400.1% | 379,604 | $395K |
| Empery Asset Management, LP | 0.45% | New | 370,834 | $386K |
| Sigma Planning Corp | 0.01% | Add +1.4% | 353,677 | $368K |
| BlackRock, Inc. | 0.00% | Add +376.0% | 326,204 | $339K |
| Texas Capital Bank Wealth Management Services Inc | 0.02% | Add +9.9% | 300,758 | $313K |
| Sequoia Financial Advisors, LLC | 0.00% | New | 250,000 | $260K |
| Gagnon Securities LLC | 0.05% | Reduce -4.4% | 229,070 | $238K |
| Stonepine Capital Management, LLC | 0.17% | New | 218,038 | $227K |
| Palogic Value Management, L.P. | 0.07% | No change | 180,000 | $187K |
| Northern Trust Corp. | 0.00% | Add +149.0% | 159,720 | $166K |
| ABS Investment Management LLC | 0.08% | — | 125,000 | $130K |
| Rock Creek Group LLC | 0.01% | No change | 125,000 | $130K |
| Warberg Asset Management LLC | 0.17% | New | 99,000 | $101K |
| Corsair Capital Management, L.P. | 0.01% | New | 80,000 | $83K |
| Goldman Sachs Group Inc. | 0.00% | New | 79,785 | $83K |
| UBS Group AG | 0.00% | Add +5506.4% | 57,410 | $60K |
| Mercer Global Advisors Inc. | 0.00% | Add +42.3% | 50,461 | $52K |
| XTX Topco Ltd | 0.00% | Add +39.0% | 45,760 | $48K |
| Northwestern Mutual Wealth Management Co. | 0.00% | No change | 42,440 | $44K |
| Americana Partners, LLC | 0.00% | Add +53.3% | 41,840 | $44K |
| Prime Capital Investment Advisors, LLC | 0.00% | New | 36,111 | $38K |
| SteelPeak Wealth, LLC | 0.00% | Add +153.8% | 33,000 | $34K |
| Chicago Partners Investment Group LLC | 0.00% | No change | 41,048 | $33K |
| Qube Research & Technologies Ltd | 0.00% | New | 30,787 | $32K |
| Ancora Advisors LLC | 0.00% | Add +50.0% | 30,000 | $31K |
| Meridian Wealth Advisors, LLC | 0.00% | No change | 28,486 | $30K |
| Savant Capital, LLC | 0.00% | New | 30,528 | $23K |
| Gleason Group, Inc. | 0.00% | No change | 22,389 | $23K |
| Global Retirement Partners, LLC | 0.00% | — | 19,316 | $20K |
| Renaissance Technologies | 0.00% | Reduce -22.4% | 19,000 | $20K |
| Cane Capital Partners, LLC | 0.01% | No change | 18,000 | $19K |
| Annandale Capital, LLC | 0.00% | No change | 15,026 | $16K |
| Morgan Stanley | 0.00% | New | 14,318 | $15K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 12,774 | $13K |
| Cetera Investment Advisers | 0.00% | New | 11,742 | $12K |
| Rockefeller Capital Management L.P. | 0.00% | No change | 5,097 | $5K |
| Barclays PLC | 0.00% | New | 2,570 | $3K |
| JFS Wealth Advisors, LLC | 0.00% | No change | 1,590 | $2K |
| US Bancorp \de | 0.00% | No change | 1,250 | $1K |
| NFSG Corp | 0.00% | No change | 97 | $101 |
| Blue Trust, Inc. | 0.00% | No change | 20 | $21 |
| Caitong International Asset Management Co., Ltd | 0.00% | Reduce -66.7% | 1 | $1 |
| 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.