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 PMCB 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/PMCB"
Use Arkolith to show who owns PMCB, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | CITADEL ADVISORS LLC | $239K | 360K | ▲+57% Added · +130K sh | Q1 2026 | |
| 2 | GEODE CAPITAL MANAGEMENT, LLC | $130K | 196K | ▲+58% Added · +72K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $54K | 75K | —Held | Q4 2025 | |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $38K | 57K | ▼−40% Reduced · −38K sh | Q1 2026 | |
| 5 | XTX Topco Ltd | $35K | 52K | ▲+114% Added · +28K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $34K | 51K | ▲New +51K sh | Q1 2026 | |
| 7 | NORTHERN TRUST CORP | $24K | 36K | —Held | Q1 2026 | |
| 8 | Schonfeld Strategic Advisors LLC | $18K | 27K | ▲+3.2% Added · +831 sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $16K | 23K | ▲New +23K sh | Q1 2026 | |
| 10 | SIMPLEX TRADING, LLC | $13K | 20K | ▼−23% Reduced · −6K sh | Q1 2026 | |
| 11 | JANE STREET GROUP, LLC | $8K | 12K | ▲+1.2% Added · +139 sh | Q1 2026 | |
| 12 | COMMONWEALTH EQUITY SERVICES, LLC | $7K | 10K | ▲New +10K sh | Q1 2026 | |
| 13 | Tower Research Capital LLC (TRC) | $3K | 5K | ▼−0.2% Reduced · −9 sh | Q1 2026 | |
| 14 | UBS Group AG | $3K | 5K | ▲+65% Added · +2K sh | Q1 2026 | |
| 15 | GROUP ONE TRADING LLC | $1K | 2K | ▲New +2K sh | Q1 2026 | |
| 16 | OSAIC HOLDINGS, INC. | $200 | 302 | ▼−0.3% Reduced · −1 sh | Q1 2026 | |
| 17 | SBI Securities Co., Ltd. | $2 | 3 | ▲New +3 sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $1 | 1 | ▼−50% Reduced · −1 sh | Q1 2026 | |
| 19 | CWM, LLC | $1 | 1 | —Held | Q1 2026 | |
| 20 | Johnson Financial Group, Inc. | $1 | 1 | ▲New +1 sh | Q1 2026 | |
| 21 | MCF Advisors LLC | $1 | 1 | —Held | Q1 2026 | |
| 22 | NewEdge Advisors, LLC | $1 | 2 | —Held | Q1 2026 | |
| 23 | BlackRock, Inc. | $1 | 1 | —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 7, 2026 | SCHECHTER JONATHAN | Director | Buy (P) | 20K | $17K |
| Jan 7, 2026 | Silverman Joshua | CEO and President, Director | Buy (P) | 40K | $33K |
| Jan 6, 2026 | SCHECHTER JONATHAN | Director | Buy (P) | 20K | $16K |
| Jan 6, 2026 | Silverman Joshua | CEO and President, Director | Buy (P) | 30K | $24K |
| Jan 5, 2026 | SCHECHTER JONATHAN | Director | Buy (P) | 20K | $16K |
| Jan 5, 2026 | Silverman Joshua | CEO and President, Director | Buy (P) | 30K | $23K |
| Dec 12, 2025 | WALKER WAYNE REMELL | Director | Grant (A) | 38K | $0 |
| Dec 12, 2025 | Abecassis Michael M | Director | Grant (A) | 38K | $0 |
| Dec 12, 2025 | Abecassis Michael M | Director | Tax withholding (F) | 17K | $17K |
| Dec 12, 2025 | SCHECHTER JONATHAN | Director | Tax withholding (F) | 68K | $69K |
| Dec 12, 2025 | SCHECHTER JONATHAN | Director | Grant (A) | 150K | $0 |
| Dec 12, 2025 | Silverman Joshua | CEO and President, Director | Grant (A) | 575K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| AMAZON.COM INCAMZN | 10 funds | $2.7B |
| MICROSOFT CORPMSFT | 10 funds | $2.3B |
| BROADCOM INCAVGO | 10 funds | $1.7B |
| ALPHABET INC-CL AGOOGL | 10 funds | $1.7B |
| META PLATFORMS INC-CLASS AMETA | 10 funds | $1.6B |
| TAIWAN SEMICONDUCTOR-SP ADRTSM | 10 funds | $1.6B |
| JPMORGAN CHASE & COJPM | 10 funds | $1.4B |
| TESLA INCTSLA | 10 funds | $1.2B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 10 funds | $1.1B |
| JOHNSON & JOHNSONJNJ | 10 funds | $921.3M |
| COSTCO WHOLESALE CORPCOST | 10 funds | $835.3M |
| NORFOLK SOUTHERN CORPNSC | 10 funds | $800.1M |
Ranked by how many of PMCB'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 PMCB. 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.