Delisting risk
Rein Therapeutics (RNTX)
Develops peptide candidates for pulmonary fibrosis and related lung diseases.
$0.7748
At close+0.02 (+2.94%)
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Breakdown13F · 13D/G · Form 4
| Institutions45 holders · as of Mar 31, 2026 | 13.21% | 11.40M shares | |
| Insiders2 holders · as of May 28, 2026 | 0.10% | 89.6K shares | |
| Strategic holders2 holders · as of Aug 14, 2026 | 10.72% | 9.25M shares | |
| Otherremainder | 75.97% | 65.53M shares |
86.27M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing
Two share counts disagree (86.27M in the company's Sep 3, 2026 report, 27.96M elsewhere); stakes use the report.
Institutions13F, as of Mar 31, 2026
45 holders · 11.40M shares · 11 new positions · 25 increased · 4 reduced · 12 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Voss Capital, LLC | 4.39M | 5.09% | +144.4K | May 15, 2026 |
| Bios Capital Management, LP | 1.98M | 2.30% | +291.6K | May 13, 2026 |
| Vanguard Capital Management LLC | 998.5K | 1.16% | +998.5Knew | May 15, 2026 |
| University of Texas/Texas Am Investment Managment Co | 511.6K | 0.59% | 0 | May 7, 2026 |
| Cable Car Capital LLC | 420.0K | 0.49% | 0 | May 15, 2026 |
| Prosight Management, LP | 411.6K | 0.48% | −31.0K | May 15, 2026 |
| Sigma Planning Corp | 348.7K | 0.40% | +101.4K | May 4, 2026 |
| Geode Capital Management, LLC | 344.7K | 0.40% | +60.1K | May 15, 2026 |
Ownership statements13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Funicular Funds, LP | 6.70% | 5.20M | 13G | May 7, 2026 ↗ |
| Lynwood Capital Management Inc. | 6.10% | 4.75M | 13G | May 8, 2026 ↗ |
| Lytton Laurence W | 5.80% | 4.50M | 13G | May 6, 2026 ↗ |
| ADAR1 Capital Management, LLC | 5.30% | 4.50M | 13G | Aug 14, 2026 ↗ |
Insider tradesForm 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| May 21, 2026 | Josef H. von Rickenbachdirector | Purchase | 3,420 | $1.04 | 18,874 |
| May 22, 2026 | Josef H. von Rickenbachdirector | Purchase | 15,950 | $1.05 | 34,824 |
| May 26, 2026 | Josef H. von Rickenbachdirector | Purchase | 23,190 | $1.06 | 58,014 |
| May 27, 2026 | Josef H. von Rickenbachdirector | Purchase | 4,500 | $1.07 | 62,514 |
| Apr 30, 2026 | James Brian Windsordirector, officer: See Remarks | Purchase | 25,000 | $1.00 | 27,046 |
| Nov 14, 2025 | Voss Capital, LP10 percent owner | Purchase | 104,183 | $1.22 | 926,441 |
| Oct 27, 2025 | Voss Capital, LP10 percent owner | Purchase · 2 lots | 97,482 | $1.37 | 822,258 |
| Oct 28, 2025 | Voss Capital, LP10 percent owner | Purchase | 178,392 | $1.39 | 500,000 |
| Oct 24, 2025 | Voss Capital, LP10 percent owner | Purchase | 30,176 | $1.39 | 729,616 |
CongressHouse and Senate disclosures
Not reported.