Who owns Rein Therapeutics, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of RNTX from SEC Form 13F filings across 60 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 60 institutions disclosed 40.8M shares of Rein Therapeutics, Inc. worth $42.5M — about 60.9% of shares outstanding; the largest disclosed holder is Voss Capital, LP. Source: SEC Form 13F filings, parsed by EvidInvest.
60
13F holders
$42.5M
value, 2026 filers
60.9%
of shares outstanding (40.8M sh)
22
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of RNTX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Voss Capital, LP | 5.3M | $5.5M | 0.3% | 7.8% | +19.9% |
| 2 | Cable Car Capital, LP | 5.2M | $5.4M | 0.1% | 7.7% | +1136.9% |
| 3 | ADAR1 Capital Management, LLCNEW | 4.5M | $4.7M | 0.2% | 6.7% | new |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 3.4M | $3.5M | 0.0% | 5% | +238.3% |
| 5 | BIOS Capital Management, LP | 3.0M | $3.1M | 7.4% | 4.4% | +50.4% |
| 6 | Ikarian Capital, LLCNEW | 3.0M | $3.1M | 0.3% | 4.4% | new |
| 7 | GREAT POINT PARTNERS LLCNEW | 2.6M | $2.7M | 0.5% | 3.8% | new |
| 8 | CITADEL ADVISORS LLCNEW | 2.4M | $2.5M | 0.0% | 3.6% | new |
| 9 | Velan Capital Investment Management LPNEW | 1.7M | $1.8M | 1.1% | 2.5% | new |
| 10 | Senvest Management, LLC | 1.2M | $1.3M | 0.0% | 1.8% | +433.1% |
| 11 | Prosight Management, LP | 1.1M | $1.1M | 0.2% | 1.6% | +167.2% |
| 12 | Bleichroeder LPNEW | 1.0M | $1.0M | 0.2% | 1.5% | new |
| 13 | BOOTHBAY FUND MANAGEMENT, LLCNEW | 889,450 | $925,028 | 0.0% | 1.3% | new |
| 14 | GEODE CAPITAL MANAGEMENT, LLC | 733,139 | $762,540 | 0.0% | 1.1% | +112.7% |
| 15 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | 511,610 | $532,074 | 0.1% | 0.8% | 0.0% |
| 16 | VANGUARD FIDUCIARY TRUST CO | 382,515 | $397,816 | 0.0% | 0.6% | +147.6% |
| 17 | STATE STREET CORP | 379,604 | $394,788 | 0.0% | 0.6% | +400.1% |
| 18 | Empery Asset Management, LPNEW | 370,834 | $385,667 | 0.4% | 0.6% | new |
| 19 | Sigma Planning Corp | 353,677 | $367,824 | 0.0% | 0.5% | +1.4% |
| 20 | BlackRock, Inc. | 326,204 | $339,253 | 0.0% | 0.5% | +376.0% |
| 21 | Texas Capital Bank Wealth Management Services Inc | 300,758 | $312,789 | 0.0% | 0.4% | +9.9% |
| 22 | Sequoia Financial Advisors, LLCNEW | 250,000 | $260,000 | 0.0% | 0.4% | new |
| 23 | GAGNON SECURITIES LLC | 229,070 | $238,233 | 0.0% | 0.3% | -4.4% |
| 24 | Stonepine Capital Management, LLCNEW | 218,038 | $226,760 | 0.1% | 0.3% | new |
| 25 | Palogic Value Management, L.P. | 180,000 | $187,200 | 0.1% | 0.3% | 0.0% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.