Delisting riskPopularity #4,263
Rein Therapeutics (RNTX)
Develops peptide candidates for pulmonary fibrosis and related lung diseases.
$0.7704
vs last close−0.02 (−3.06%)
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13F · 13D/G · Form 4
| Institutions | 47.34% | 40.84M shares | |
|---|---|---|---|
| 59 holders · as of Jun 30, 2026 | |||
| Insiders | 0.10% | 89.6K shares | |
| 2 holders · as of May 28, 2026 | |||
| Strategic holders | 5.51% | 4.75M shares | |
| 1 holder · as of May 8, 2026 | |||
| Other | 47.05% | 40.59M shares | |
| remainder | |||
86.27M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
Two share counts disagree (86.27M in the company's Sep 23, 2026 report, 27.96M elsewhere); stakes use the report.
13F, as of Jun 30, 2026
59 holders · 40.84M shares · 21 new positions · 40 increased · 3 reduced · 7 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| Voss Capital, LLC | 5.26M | 6.10% | +873.6K | Aug 14, 2026 |
| Cable Car Capital LLC | 5.20M | 6.02% | +4.78M | Aug 14, 2026 |
| Adar1 Capital Management, LLC | 4.50M | 5.22% | +4.50Mnew | Aug 14, 2026 |
| Vanguard Capital Management LLC | 3.38M | 3.92% | +2.38M | Aug 13, 2026 |
| Bios Capital Management, LP | 2.98M | 3.46% | +1.00M | Aug 14, 2026 |
| Ikarian Capital, LLC | 2.95M | 3.42% | +2.95Mnew | Aug 14, 2026 |
| Great Point Partners LLC | 2.58M | 2.98% | +2.58Mnew | Aug 14, 2026 |
| Citadel Advisors LLC | 2.44M | 2.83% | +2.44M | Sep 2, 2026 |
13D/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 |
Form 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 |
House and Senate disclosures
Not reported.