46 tracked 13F filers disclose a position in RNTX as of the latest SEC 13F filings, a combined $19.3M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Voss Capital, LP | $5.5M | 5.3M | ▲+20% Added · +874K sh | Q2 2026 | |
| 2 | Cable Car Capital, LP | $5.4M | 5.2M | ▲12× Added · +4.8M sh | Q2 2026 | |
| 3 | Velan Capital Investment Management LP | $1.8M | 1.7M | ▲New +1.7M sh | Q2 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $1.3M | 999K | →First observed position No prior filed position | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $763K | 733K | ▲+113% Added · +388K sh | Q2 2026 | |
| 6 | UNIVERSITY OF TEXAS/TEXAS AM INVESTMENT MANAGEMENT CO | $532K | 512K | —Held | Q2 2026 | |
| 7 | Prosight Management, LP | $535K | 412K | ▼−7.0% Reduced · −31K sh | Q1 2026 | |
| 8 | STATE STREET CORP | $395K | 380K | ▲+400% Added · +304K sh | Q2 2026 | |
| 9 | Sigma Planning Corp | $368K | 354K | ▲+1.4% Added · +5K sh | Q2 2026 | |
| 10 | Texas Capital Bank Wealth Management Services Inc | $356K | 274K | ▲+4.4% Added · +12K sh | Q1 2026 | |
| 11 | Senvest Management, LLC | $300K | 231K | —Held | Q1 2026 | |
| 12 | GAGNON SECURITIES LLC | $238K | 229K | ▼−4.4% Reduced · −10K sh | Q2 2026 | |
| 13 | Stonepine Capital Management, LLC | $227K | 218K | ▲New +218K sh | Q2 2026 | |
| 14 | Palogic Value Management, L.P. | $234K | 180K | ▲New +180K sh | Q1 2026 | |
| 15 | VANGUARD FIDUCIARY TRUST CO | $201K | 155K | →First observed position No prior filed position | Q1 2026 | |
| 16 | ABS Direct Equity Fund LLC | $130K | 125K | —Held | Q2 2026 | |
| 17 | Rock Creek Group LLC | $130K | 125K | —Held | Q2 2026 | |
| 18 | ABS Investment Management LLC | $130K | 125K | ▲New +125K sh | Q2 2026 | |
| 19 | Warberg Asset Management LLC | $101K | 99K | ▲Added Added · +99K sh | Q2 2026 | |
| 20 | BlackRock, Inc. | $89K | 69K | ▲+25% Added · +14K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $83K | 64K | ▲+58% Added · +24K sh | Q1 2026 | |
| 22 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | $55K | 42K | —Held | Q1 2026 | |
| 23 | Americana Partners, LLC | $44K | 42K | ▲+53% Added · +15K sh | Q2 2026 | |
| 24 | Chicago Partners Investment Group LLC | $33K | 41K | —Held | Q2 2026 | |
| 25 | Prime Capital Investment Advisors, LLC | $38K | 36K | ▲New +36K sh | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 6 funds opened a new position in RNTX and 8 added to an existing one, while 3 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 20 funds | $1.8B |
| MICRON TECHNOLOGY INCMU | 20 funds | $1.4B |
| MICROSOFT CORPMSFT | 19 funds | $1.1B |
| ALPHABET INC-CL AGOOGL | 19 funds | $644.5M |
| APPLE INCAAPL | 18 funds | $2.1B |
| BROADCOM INCAVGO | 18 funds | $877.5M |
| AMAZON.COM INCAMZN | 18 funds | $681.1M |
| TESLA INCTSLA | 18 funds | $542.4M |
| META PLATFORMS INC-CLASS AMETA | 18 funds | $442.4M |
| ALPHABET INC-CL CGOOG | 18 funds | $408.6M |
| VISA INC-CLASS A SHARESV | 18 funds | $363.5M |
| TEXAS INSTRUMENTS INCTXN | 18 funds | $244.8M |
Ranked by how many of RNTX's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 27, 2026 | VON RICKENBACH JOSEF H | Director | Buy (P) | 5K | $5K |
| May 26, 2026 | VON RICKENBACH JOSEF H | Director | Buy (P) | 23K | $24K |
| May 22, 2026 | VON RICKENBACH JOSEF H | Director | Buy (P) | 16K | $17K |
| May 21, 2026 | VON RICKENBACH JOSEF H | Director | Buy (P) | 3K | $4K |
| Apr 30, 2026 | WINDSOR JAMES BRIAN | See Remarks, Director | Buy (P) | 25K | $25K |
| Nov 14, 2025 | Voss Value Master Fund, LP | 10% Owner | Buy (P) | 104K | $127K |
| Oct 28, 2025 | Voss Value-Oriented Special Situations Fund, LP | 10% Owner | Buy (P) | 178K | $248K |
| Oct 27, 2025 | Voss Value-Oriented Special Situations Fund, LP | 10% Owner | Buy (P) | 93K | $127K |
| Oct 27, 2025 | Voss Value-Oriented Special Situations Fund, LP | 10% Owner | Buy (P) | 5K | $7K |
| Oct 24, 2025 | Voss Value-Oriented Special Situations Fund, LP | 10% Owner | Buy (P) | 30K | $42K |
Connected entities for RNTX
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/RNTX/capital-change-brief"
Use Arkolith's capital_change_brief for RNTX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for RNTX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.