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 PLRX 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/PLRX"
Use Arkolith to show who owns PLRX, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | TANG CAPITAL MANAGEMENT LLC | $7.7M | 6.1M | —Held | Q1 2026 | |
| 2 | CITADEL ADVISORS LLC | $4.1M | 3.2M | ▲+25% Added · +643K sh | Q1 2026 | |
| 3 | VANGUARD GROUP INC | $3.4M | 2.8M | ▲+1.5% Added · +42K sh | Q4 2025 | |
| 4 | ADAR1 Capital Management, LLC | $3.3M | 2.6M | ▲35× Added · +2.5M sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $3.0M | 2.3M | ▲New +2.3M sh | Q1 2026 | |
| 6 | TWO SIGMA INVESTMENTS, LP | $2.8M | 2.3M | ▲+136% Added · +1.3M sh | Q1 2026 | |
| 7 | RENAISSANCE TECHNOLOGIES LLC | $2.3M | 1.9M | ▲+77% Added · +807K sh | Q1 2026 | |
| 8 | Woodline Partners LP | $2.1M | 1.7M | ▼−18% Reduced · −359K sh | Q1 2026 | |
| 9 | MILLENNIUM MANAGEMENT LLC | $1.5M | 1.2M | ▲+189% Added · +772K sh | Q1 2026 | |
| 10 | BlackRock, Inc. | $1.4M | 1.1M | ▲+2.1% Added · +23K sh | Q1 2026 | |
| 11 | UBS Group AG | $1.3M | 1.1M | ▼−0.4% Reduced · −5K sh | Q1 2026 | |
| 12 | MARSHALL WACE, LLP | $1.3M | 996K | ▼−7.8% Reduced · −84K sh | Q1 2026 | |
| 13 | Eversept Partners, LP | $1.1M | 891K | ▲+5.9% Added · +49K sh | Q1 2026 | |
| 14 | JPMORGAN CHASE & CO | $1.0M | 862K | ▼−29% Reduced · −351K sh | Q1 2026 | |
| 15 | JACOBS LEVY EQUITY MANAGEMENT, INC | $905K | 719K | ▲+29% Added · +162K sh | Q1 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $752K | 597K | ▲+116% Added · +320K sh | Q1 2026 | |
| 17 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $698K | 554K | ▲+72% Added · +232K sh | Q1 2026 | |
| 18 | Connor, Clark & Lunn Investment Management Ltd. | $652K | 517K | ▲+39% Added · +146K sh | Q1 2026 | |
| 19 | MORGAN STANLEY | $637K | 506K | ▼−7.9% Reduced · −43K sh | Q1 2026 | |
| 20 | XTX Topco Ltd | $631K | 501K | ▼−8.1% Reduced · −44K sh | Q1 2026 | |
| 21 | Centiva Capital, LP | $545K | 433K | ▼−57% Reduced · −567K sh | Q1 2026 | |
| 22 | GEODE CAPITAL MANAGEMENT, LLC | $526K | 417K | ▼−30% Reduced · −175K sh | Q1 2026 | |
| 23 | Laurion Capital Management LP | $520K | 413K | ▲+60% Added · +155K sh | Q1 2026 | |
| 24 | JANE STREET GROUP, LLC | $450K | 357K | ▼−45% Reduced · −297K sh | Q1 2026 | |
| 25 | BANK OF AMERICA CORP /DE/ | $444K | 353K | ▼−50% Reduced · −359K 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 |
|---|---|---|---|---|---|
| Jan 22, 2026 | Kuo Minnie | Chief Operating Officer | Grant (A) | 300K | $0 |
| Jan 22, 2026 | Cummings Keith Lamont | Chief Financial Officer | Grant (A) | 400K | $0 |
| Jan 22, 2026 | Coulie Bernard | President and CEO, Director | Grant (A) | 1.2M | $0 |
| Jan 22, 2026 | Cheung Lily | Chief Human Resource Officer | Grant (A) | 300K | $0 |
| Jan 20, 2026 | Coulie Bernard | President and CEO, Director | Sell (S) | 89K | $114K |
| Jan 20, 2026 | Cummings Keith Lamont | Chief Financial Officer | Sell (S) | 24K | $31K |
| Jan 20, 2026 | Kuo Minnie | Chief Operating Officer | Sell (S) | 7K | $9K |
| Jan 20, 2026 | Cheung Lily | Chief Human Resource Officer | Sell (S) | 8K | $10K |
| Jun 5, 2025 | Knobil Katharine | Director | Grant (A) | 30K | $0 |
| Jun 5, 2025 | Bruhn Suzanne Louise | Director | Grant (A) | 30K | $0 |
| Jun 5, 2025 | CROWELL GAYLE A | Director | Grant (A) | 30K | $0 |
| Jun 5, 2025 | Huh Hoyoung | Director | Grant (A) | 30K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 22 funds | $11.8B |
| NVIDIA CORPNVDA | 21 funds | $19.7B |
| JPMORGAN CHASE & COJPM | 21 funds | $3.9B |
| ELI LILLY & COLLY | 21 funds | $3.2B |
| CHEVRON CORPCVX | 21 funds | $2.1B |
| SCHWAB (CHARLES) CORPSCHW | 21 funds | $955.9M |
| AMAZON.COM INCAMZN | 20 funds | $10.5B |
| BROADCOM INCAVGO | 20 funds | $6.8B |
| META PLATFORMS INC-CLASS AMETA | 20 funds | $6.0B |
| COSTCO WHOLESALE CORPCOST | 20 funds | $2.5B |
| ADVANCED MICRO DEVICESAMD | 20 funds | $1.9B |
| PALANTIR TECHNOLOGIES INC-APLTR | 20 funds | $1.4B |
Ranked by how many of PLRX'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 PLRX. 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.