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 PLYM 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/PLYM"
Use Arkolith to show who owns PLYM, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM | $7.7M | 351K | ▲+109% Added · +183K sh | Q4 2025 | |
| 2 | IFP Advisors, Inc | $396 | 18 | —Held | 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 |
|---|---|---|---|---|---|
| Jan 27, 2026 | Murphy Caitlin | Director | Disposed to issuer (D) | 15K | $341K |
| Jan 27, 2026 | WHITE PENDLETON P. JR. | Director | Disposed to issuer (D) | 5K | $110K |
| Jan 27, 2026 | GAW DAVID | Director | Disposed to issuer (D) | 47K | $1.0M |
| Jan 27, 2026 | COTTONE PHILIP S | Director | Disposed to issuer (D) | 30K | $666K |
| Jan 27, 2026 | STEPHENSON ROBERT O | Director | Disposed to issuer (D) | 6K | $138K |
| Jan 27, 2026 | DeAgazio Richard J | Director | Disposed to issuer (D) | 43K | $952K |
| Jan 27, 2026 | Witherell Jeffrey E | CEO, Director | Disposed to issuer (D) | 438K | $9.6M |
| Jan 27, 2026 | Saladino Anthony | President and CFO | Disposed to issuer (D) | 127K | $2.8M |
| Jan 27, 2026 | GUINEE JOHN W III | Director | Disposed to issuer (D) | 47K | $1.0M |
| Jan 27, 2026 | Connolly James | EVP/Asset Management | Disposed to issuer (D) | 120K | $2.6M |
| Jan 27, 2026 | WHITE PENDLETON P. JR. | Director | Disposed to issuer (D) | 118K | $2.6M |
| Jan 27, 2026 | WHITE PENDLETON P. JR. | Director | Disposed to issuer (D) | 4K | $88K |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 51 funds | $36.4B |
| MICROSOFT CORPMSFT | 51 funds | $24.3B |
| AMAZON.COM INCAMZN | 51 funds | $19.7B |
| ALPHABET INC-CL AGOOGL | 51 funds | $16.6B |
| HOME DEPOT INCHD | 51 funds | $3.1B |
| ELECTRONIC ARTS INCEA | 51 funds | $2.6B |
| BROADCOM INCAVGO | 50 funds | $14.0B |
| META PLATFORMS INC-CLASS AMETA | 50 funds | $11.4B |
| TESLA INCTSLA | 50 funds | $8.3B |
| MICRON TECHNOLOGY INCMU | 50 funds | $6.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 50 funds | $5.5B |
| ADVANCED MICRO DEVICESAMD | 50 funds | $3.6B |
Ranked by how many of PLYM'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 PLYM. 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.