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 PHR 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/PHR"
Use Arkolith to show who owns PHR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | $97.2M | 5.7M | ▲+0.7% Added · +40K sh | Q4 2025 | |
| 2 | BlackRock, Inc. | $49.6M | 5.9M | ▲+5.0% Added · +284K sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $27.9M | 3.3M | ▲New +3.3M sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $20.8M | 2.5M | ▲New +2.5M sh | Q1 2026 | |
| 5 | AQR CAPITAL MANAGEMENT LLC | $15.5M | 1.9M | ▲+324% Added · +1.4M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $12.4M | 1.5M | ▲+1.2% Added · +17K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $11.5M | 1.4M | ▲+3.2% Added · +42K sh | Q1 2026 | |
| 8 | JACOBS LEVY EQUITY MANAGEMENT, INC | $9.0M | 1.1M | ▲+20% Added · +177K sh | Q1 2026 | |
| 9 | GOLDMAN SACHS GROUP INC | $8.6M | 1.0M | ▲+13% Added · +118K sh | Q1 2026 | |
| 10 | AMERICAN CENTURY COMPANIES INC | $8.5M | 1.0M | ▼−2.0% Reduced · −21K sh | Q1 2026 | |
| 11 | Nuveen, LLC | $8.4M | 1.0M | ▼−46% Reduced · −867K sh | Q1 2026 | |
| 12 | BANK OF AMERICA CORP /DE/ | $8.4M | 1.0M | ▲+143% Added · +588K sh | Q1 2026 | |
| 13 | Granahan Investment Management, LLC | $8.3M | 988K | ▼−59% Reduced · −1.4M sh | Q1 2026 | |
| 14 | OP Asset Management Ltd | $6.5M | 774K | ▲63× Added · +762K sh | Q1 2026 | |
| 15 | BNP PARIBAS FINANCIAL MARKETS | $6.3M | 756K | ▲31× Added · +731K sh | Q1 2026 | |
| 16 | FRANKLIN RESOURCES INC | $6.2M | 736K | ▼−63% Reduced · −1.3M sh | Q1 2026 | |
| 17 | CITADEL ADVISORS LLC | $6.1M | 732K | ▲+881% Added · +657K sh | Q1 2026 | |
| 18 | MORGAN STANLEY | $6.1M | 730K | ▲+44% Added · +222K sh | Q1 2026 | |
| 19 | SCHRODER INVESTMENT MANAGEMENT GROUP | $5.9M | 520K | ▼−39% Reduced · −337K sh | Q1 2026 | |
| 20 | Rock Springs Capital Management LP | $5.0M | 600K | ▼−32% Reduced · −276K sh | Q1 2026 | |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | $4.9M | 581K | ▲+175% Added · +370K sh | Q1 2026 | |
| 22 | Jump Financial, LLC | $4.5M | 534K | ▲New +534K sh | Q1 2026 | |
| 23 | NORTHERN TRUST CORP | $4.3M | 513K | ▼−1.3% Reduced · −7K sh | Q1 2026 | |
| 24 | DIMENSIONAL FUND ADVISORS LP | $4.1M | 485K | ▼−23% Reduced · −144K sh | Q1 2026 | |
| 25 | Russell Investments Group, Ltd. | $4.1M | 467K | ▲+75% Added · +200K 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 |
|---|---|---|---|---|---|
| Mar 25, 2026 | Gandhi Balaji | Chief Financial Officer | Sell (S) | 4K | $43K |
| Mar 23, 2026 | Hoffman Allison C | General Counsel & Secretary | Sell (S) | 6K | $74K |
| Mar 19, 2026 | Pale Fire Capital SICAV a.s. | 10% Owner | Buy (P) | 780K | $9.1M |
| Mar 18, 2026 | Pale Fire Capital SICAV a.s. | 10% Owner | Buy (P) | 519K | $5.8M |
| Mar 18, 2026 | Linetsky David | President, Network Solutions | Sell (S) | 107 | $1K |
| Mar 17, 2026 | Pale Fire Capital SICAV a.s. | 10% Owner | Buy (P) | 303K | $3.4M |
| Jan 30, 2026 | Goldstein Lainie | Director | Grant (A) | 744 | $10K |
| Jan 30, 2026 | CAHILL EDWARD L | Director | Grant (A) | 744 | $10K |
| Jan 30, 2026 | Munson Gillian | Director | Grant (A) | 744 | $10K |
| Jan 16, 2026 | Roberts Evan | President, Provider Solutions | Sell (S) | 6K | $103K |
| Jan 16, 2026 | Linetsky David | President, Network Solutions | Sell (S) | 6K | $99K |
| Jan 16, 2026 | Gandhi Balaji | Chief Financial Officer | Sell (S) | 5K | $77K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 77 funds | $32.6B |
| AMAZON.COM INCAMZN | 76 funds | $25.5B |
| NVIDIA CORPNVDA | 74 funds | $49.2B |
| ELI LILLY & COLLY | 74 funds | $8.9B |
| COSTCO WHOLESALE CORPCOST | 74 funds | $6.2B |
| MASTERCARD INC - AMA | 74 funds | $6.1B |
| APPLE INCAAPL | 73 funds | $38.7B |
| ALPHABET INC-CL AGOOGL | 73 funds | $21.7B |
| UNITEDHEALTH GROUP INCUNH | 73 funds | $3.3B |
| DANAHER CORPDHR | 73 funds | $1.9B |
| META PLATFORMS INC-CLASS AMETA | 72 funds | $16.1B |
| VISA INC-CLASS A SHARESV | 72 funds | $6.2B |
Ranked by how many of PHR'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 PHR. 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.