The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query REPX owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/REPX"
Use Arkolith to show who owns REPX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $12.1M | 333K | ▲New +333K sh | Q1 2026 | |
| 2 | STATE STREET CORP | $9.1M | 250K | ▲+8.6% Added · +20K sh | Q1 2026 | |
| 3 | CITADEL ADVISORS LLC | $8.4M | 230K | ▲+847% Added · +206K sh | Q1 2026 | |
| 4 | First Eagle Investment Management, LLC | $6.7M | 184K | ▼−6.6% Reduced · −13K sh | Q1 2026 | |
| 5 | LOS ANGELES CAPITAL MANAGEMENT LLC | $4.9M | 135K | ▲16× Added · +126K sh | Q1 2026 | |
| 6 | UMB Bank, n.a. | $4.7M | 130K | ▲New +130K sh | Q1 2026 | |
| 7 | Point72 Asset Management, L.P. | $3.9M | 106K | ▲New +106K sh | Q1 2026 | |
| 8 | SEGALL BRYANT & HAMILL, LLC | $2.7M | 74K | ▼−2.3% Reduced · −2K sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $2.6M | 71K | ▲New +71K sh | Q1 2026 | |
| 10 | CastleKnight Management LP | $2.5M | 70K | ▲New +70K sh | Q1 2026 | |
| 11 | Quadrature Capital Ltd | $1.9M | 51K | ▲New +51K sh | Q1 2026 | |
| 12 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $1.1M | 31K | —Held | Q1 2026 | |
| 13 | Engineers Gate Manager LP | $1.1M | 29K | ▲New +29K sh | Q1 2026 | |
| 14 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $990K | 27K | ▼−56% Reduced · −34K sh | Q1 2026 | |
| 15 | WINTON GROUP Ltd | $895K | 25K | ▲New +25K sh | Q1 2026 | |
| 16 | Cannell & Spears LLC | $773K | 21K | ▼−80% Reduced · −83K sh | Q1 2026 | |
| 17 | Ethic Inc. | $760K | 21K | ▼−6.4% Reduced · −1K sh | Q1 2026 | |
| 18 | Y-Intercept (Hong Kong) Ltd | $629K | 17K | ▲New +17K sh | Q1 2026 | |
| 19 | Aquatic Capital Management LLC | $509K | 14K | ▲+56% Added · +5K sh | Q1 2026 | |
| 20 | Schonfeld Strategic Advisors LLC | $508K | 14K | ▲New +14K sh | Q1 2026 | |
| 21 | Savant Capital, LLC | $406K | 11K | ▲New +11K sh | Q1 2026 | |
| 22 | RENAISSANCE GROUP LLC | $398K | 11K | ▲New +11K sh | Q1 2026 | |
| 23 | Integrated Wealth Concepts LLC | $360K | 10K | ▲New +10K sh | Q1 2026 | |
| 24 | MetLife Investment Management, LLC | $307K | 8K | —Held | Q1 2026 | |
| 25 | BAILARD, INC. | $277K | 8K | ▼−26% Reduced · −3K sh | Q1 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 10, 2026 | Riley Bobby | CEO, Director | Sell (S) | 30K | $1.1M |
| Mar 6, 2026 | Bluescape Riley Exploration Holdings LLC | 10% Owner | Sell (S) | 490K | $16.1M |
| Mar 5, 2026 | Bluescape Riley Exploration Holdings LLC | 10% Owner | Sell (S) | 392K | $12.4M |
| Mar 4, 2026 | Bluescape Energy Recapitalization & Restructuring Fund III LP | 10% Owner | Sell (S) | 36K | $1.1M |
| Mar 3, 2026 | Bluescape Energy Recapitalization & Restructuring Fund III LP | 10% Owner | Sell (S) | 26K | $779K |
| Mar 2, 2026 | Bluescape Energy Recapitalization & Restructuring Fund III LP | 10% Owner | Sell (S) | 19K | $574K |
| Mar 1, 2026 | Saadati Bobby | Director | Grant (A) | 2K | $0 |
| Feb 23, 2026 | Bluescape Energy Recapitalization & Restructuring Fund III LP | 10% Owner | Sell (S) | 5K | $149K |
| Feb 20, 2026 | Bluescape Energy Partners III GP LLC | 10% Owner | Sell (S) | 55K | $1.6M |
| Feb 19, 2026 | Bluescape Energy Partners III GP LLC | 10% Owner | Sell (S) | 35K | $1.0M |
| Feb 12, 2026 | Riley Corey Neil | CIO & CCO | Sell (S) | 4K | $96K |
| Feb 11, 2026 | WILDER C JOHN | 10% Owner | Sell (S) | 5K | $136K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 48 funds | $14.3B |
| ALPHABET INC-CL AGOOGL | 47 funds | $9.1B |
| META PLATFORMS INC-CLASS AMETA | 47 funds | $8.7B |
| AMAZON.COM INCAMZN | 46 funds | $10.8B |
| BROADCOM INCAVGO | 46 funds | $8.3B |
| VISA INC-CLASS A SHARESV | 46 funds | $2.6B |
| HOME DEPOT INCHD | 46 funds | $2.0B |
| UNITEDHEALTH GROUP INCUNH | 46 funds | $1.5B |
| COSTCO WHOLESALE CORPCOST | 45 funds | $3.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 45 funds | $2.9B |
| MASTERCARD INC - AMA | 45 funds | $2.9B |
| CAPITAL ONE FINANCIAL CORPCOF | 45 funds | $1.3B |
Ranked by how many of REPX's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for REPX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.