Rein Therapeutics
RNTX · NASDAQ
$0.5951+$0.0431 (+7.81%)TodayMarket closed ·
Prev close $0.552
Who owns RNTX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 44.2% of RNTX’s shares.
- Voss Capital LLC6.2%
- Cable Car Capital, LP6.1%
- Adar1 Capital Management LLC5.3%
- Lynwood Capital Management Inc.5.0%
- Next 6 largest institutions21.7%
- All other shareholders55.8%
| Holder | Shares | % of shares |
|---|---|---|
| Voss Capital LLC | 5.26M | 6.15% |
| Cable Car Capital, LP | 5.20M | 6.07% |
| Adar1 Capital Management LLC | 4.50M | 5.26% |
| Lynwood Capital Management Inc. | 4.28M | 5.00% |
| Lytton (Laurence W) | 4.24M | 4.96% |
| Vanguard Capital Management, LLC | 3.38M | 3.95% |
| Bios Equity Partners, LP. | 2.98M | 3.49% |
| Ikarian Capital LLC | 2.95M | 3.45% |
| Great Point Partners, LLC | 2.58M | 3.01% |
| Citadel Advisors LLC | 2.44M | 2.85% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 2.52M | 2.95% |
| Vanguard Extended Market Index Fund | 785.54K | 0.92% |
| Fidelity Extended Market Index Fund | 369.23K | 0.43% |
| Fidelity Series Total Market Index Fund | 105.68K | 0.12% |
| iShares Micro-Cap ETF | 88.21K | 0.10% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders bought $74.56K (5 trades) of RNTX on the open market, with no sales.
| Insider | Type | Shares | Value |
|---|---|---|---|
| VON RICKENBACH JOSEF H | Buy | 4.50K | $4.82K |
| VON RICKENBACH JOSEF H | Buy | 23.19K | $24.47K |
| VON RICKENBACH JOSEF H | Buy | 15.95K | $16.71K |
| VON RICKENBACH JOSEF H | Buy | 3.42K | $3.56K |
| WINDSOR JAMES BRIAN | Award | 150.00K | — |
| WINDSOR JAMES BRIAN | Buy | 25.00K | $25.00K |
Short interest
Settled Sep 30, 2026
- Shares short
- 651.18K
- Days to cover
- 2.35
- % of shares outstanding
- 0.76%
- Average daily volume
- 277.57K
- Change since last report
- −2.9%
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