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 PROP 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/PROP"
Use Arkolith to show who owns PROP, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $4.1M | 2.0M | ▲+13% Added · +240K sh | Q1 2026 | |
| 2 | Hudson Bay Capital Management LP | $3.1M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $3.1M | 1.5M | ▲New +1.5M sh | Q1 2026 | |
| 4 | VANGUARD GROUP INC | $3.0M | 1.8M | ▲+38% Added · +481K sh | Q4 2025 | |
| 5 | Arax Advisory Partners | $2.8M | 1.4M | ▲109× Added · +1.4M sh | Q1 2026 | |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $2.8M | 1.4M | ▲+340% Added · +1.1M sh | Q1 2026 | |
| 7 | CastleKnight Management LP | $2.2M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 8 | JANE STREET GROUP, LLC | $1.9M | 940K | ▲+398% Added · +751K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $1.8M | 887K | ▲+14% Added · +109K sh | Q1 2026 | |
| 10 | STATE STREET CORP | $1.2M | 568K | ▲+97% Added · +279K sh | Q1 2026 | |
| 11 | GOLDMAN SACHS GROUP INC | $1.1M | 522K | ▲+392% Added · +416K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $919K | 453K | ▲+138% Added · +263K sh | Q1 2026 | |
| 13 | GROUP ONE TRADING LLC | $875K | 431K | ▲+780% Added · +382K sh | Q1 2026 | |
| 14 | SIMPLEX TRADING, LLC | $618K | 304K | ▲443× Added · +304K sh | Q1 2026 | |
| 15 | UBS Group AG | $607K | 299K | ▼−29% Reduced · −125K sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $487K | 240K | ▲+4.0% Added · +9K sh | Q1 2026 | |
| 17 | VANGUARD FIDUCIARY TRUST CO | $481K | 237K | ▲New +237K sh | Q1 2026 | |
| 18 | AQR CAPITAL MANAGEMENT LLC | $452K | 223K | ▲16× Added · +209K sh | Q1 2026 | |
| 19 | VANGUARD PORTFOLIO MANAGEMENT LLC | $404K | 199K | ▲New +199K sh | Q1 2026 | |
| 20 | LAZARD ASSET MANAGEMENT LLC | $322K | 159K | ▼−84% Reduced · −805K sh | Q1 2026 | |
| 21 | IMC-Chicago, LLC | $313K | 154K | ▲New +154K sh | Q1 2026 | |
| 22 | Retirement Planning Group, LLC | $300K | 148K | ▲+772% Added · +131K sh | Q1 2026 | |
| 23 | CIBC Bancorp USA Inc. | $294K | 145K | ▲New +145K sh | Q1 2026 | |
| 24 | BANK OF AMERICA CORP /DE/ | $276K | 136K | ▲+526% Added · +114K sh | Q1 2026 | |
| 25 | XTX Topco Ltd | $193K | 95K | ▲New +95K 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 4, 2026 | Gray Jonathan H. | Director | Tax withholding (F) | 16K | $14K |
| Jun 4, 2026 | Lee Stephen | Director | Tax withholding (F) | 16K | $14K |
| Apr 20, 2026 | Gray Jonathan H. | Director | Other (J) | 255 | — |
| Apr 20, 2026 | Gray Jonathan H. | Director | Other (J) | 397K | $718K |
| Apr 20, 2026 | Gray Jonathan H. | Director | Other (J) | 140K | $254K |
| Apr 20, 2026 | Gray Jonathan H. | Director | Other (J) | 720 | — |
| Mar 26, 2026 | ABBAS GIZMAN I | Director | Tax withholding (F) | 8K | $17K |
| Mar 26, 2026 | Freeman Bryan | EVP of Operations | Tax withholding (F) | 77K | $156K |
| Mar 26, 2026 | Lee Stephen | Director | Tax withholding (F) | 8K | $17K |
| Mar 26, 2026 | Sweeney Daniel T. | EVP, GC and Corp. Sec. | Tax withholding (F) | 82K | $167K |
| Mar 26, 2026 | Patton Gregory Scott | EVP and CFO | Tax withholding (F) | 97K | $198K |
| Mar 5, 2026 | Sweeney Daniel T. | EVP, GC and Corp. Sec. | Tax withholding (F) | 1K | $2K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 39 funds | $9.3B |
| AMAZON.COM INCAMZN | 39 funds | $8.5B |
| ALPHABET INC-CL AGOOGL | 39 funds | $6.3B |
| BROADCOM INCAVGO | 39 funds | $4.8B |
| JPMORGAN CHASE & COJPM | 39 funds | $4.4B |
| MICRON TECHNOLOGY INCMU | 39 funds | $2.8B |
| ADVANCED MICRO DEVICESAMD | 39 funds | $1.5B |
| ORACLE CORPORCL | 39 funds | $1.3B |
| SALESFORCE INCCRM | 39 funds | $994.0M |
| BANK OF AMERICA CORPBAC | 39 funds | $823.1M |
| FREEPORT-MCMORAN INCFCX | 39 funds | $489.2M |
| CUMMINS INCCMI | 39 funds | $468.7M |
Ranked by how many of PROP'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 PROP. 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.