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 GLRE 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/GLRE"
Use Arkolith to show who owns GLRE, 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. | $42.9M | 2.5M | ▲+6.4% Added · +150K sh | Q1 2026 | |
| 2 | PRIVATE MANAGEMENT GROUP INC | $25.7M | 1.5M | ▼−0.9% Reduced · −14K sh | Q1 2026 | |
| 3 | CWA Asset Management Group, LLC | $20.0M | 1.2M | ▲+19% Added · +181K sh | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $10.9M | 631K | ▲+4.9% Added · +30K sh | Q1 2026 | |
| 5 | STATE STREET CORP | $10.3M | 596K | ▼−2.9% Reduced · −18K sh | Q1 2026 | |
| 6 | VANGUARD GROUP INC | $9.2M | 630K | ▼−57% Reduced · −840K sh | Q4 2025 | |
| 7 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | $4.5M | 261K | ▲+24% Added · +50K sh | Q1 2026 | |
| 8 | CITADEL ADVISORS LLC | $3.8M | 217K | ▲+45% Added · +67K sh | Q1 2026 | |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | $3.4M | 197K | ▲New +197K sh | Q1 2026 | |
| 10 | PINNACLE ASSOCIATES LTD | $2.9M | 170K | —Held | Q1 2026 | |
| 11 | VANGUARD FIDUCIARY TRUST CO | $2.5M | 144K | ▲New +144K sh | Q1 2026 | |
| 12 | Trexquant Investment LP | $1.6M | 93K | ▼−11% Reduced · −11K sh | Q1 2026 | |
| 13 | Wilmington Savings Fund Society, FSB | $1.5M | 87K | —Held | Q1 2026 | |
| 14 | PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. | $1.4M | 80K | ▼−75% Reduced · −237K sh | Q1 2026 | |
| 15 | Universal- Beteiligungs- und Servicegesellschaft mbH | $1.3M | 75K | ▲New +75K sh | Q1 2026 | |
| 16 | Summit Trail Advisors, LLC | $1.1M | 65K | ▲+78% Added · +28K sh | Q1 2026 | |
| 17 | WEDGE CAPITAL MANAGEMENT L L P/NC | $982K | 57K | ▼−21% Reduced · −15K sh | Q1 2026 | |
| 18 | Point72 Asset Management, L.P. | $788K | 46K | ▲New +46K sh | Q1 2026 | |
| 19 | O'SHAUGHNESSY ASSET MANAGEMENT, LLC | $575K | 33K | ▼−3.2% Reduced · −1K sh | Q1 2026 | |
| 20 | RITHOLTZ WEALTH MANAGEMENT | $483K | 28K | ▼−1.2% Reduced · −347 sh | Q1 2026 | |
| 21 | Metis Global Partners, LLC | $372K | 22K | ▼−20% Reduced · −6K sh | Q1 2026 | |
| 22 | Engineers Gate Manager LP | $324K | 19K | ▲New +19K sh | Q1 2026 | |
| 23 | Walleye Capital LLC | $323K | 19K | ▼−1.0% Reduced · −184 sh | Q1 2026 | |
| 24 | Cornerstone Investment Partners, LLC | $286K | 17K | ▲New +17K sh | Q1 2026 | |
| 25 | MetLife Investment Management, LLC | $257K | 15K | ▲+14% Added · +2K 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 13, 2026 | CURNOCK THOMAS JAMES | Grp Chief Underwriting Officer | Grant (A) | 9K | $0 |
| Mar 13, 2026 | Archambault Steven | Chief Accounting Officer | Grant (A) | 6K | $0 |
| Mar 13, 2026 | O'BRIEN PATRICK | Chief Operating Officer | Grant (A) | 9K | $0 |
| Mar 9, 2026 | OReilly Brian Joseph | Head of Innovations | Sell (S) | 2K | $0 |
| Mar 9, 2026 | Romer Faramarz | Chief Financial Officer | Sell (S) | 3K | $0 |
| Mar 9, 2026 | Diaz Sherry | Controller | Sell (S) | 987 | $0 |
| Mar 9, 2026 | Strommer Richard Paul | Chief Actuary | Sell (S) | 3K | $0 |
| Mar 9, 2026 | CURNOCK THOMAS JAMES | Grp Chief Underwriting Officer | Sell (S) | 7K | $0 |
| Mar 9, 2026 | O'BRIEN PATRICK | Chief Operating Officer | Grant (A) | 32K | $0 |
| Nov 20, 2025 | Foley Ursuline F | Director | Buy (P) | 5K | $65K |
| Nov 18, 2025 | Platt Joseph P JR | Director | Buy (P) | 5K | $65K |
| Nov 7, 2025 | Richardson Greg | Chief Executive Officer, Director | Buy (P) | 20K | $258K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 35 funds | $11.0B |
| AMAZON.COM INCAMZN | 34 funds | $9.9B |
| ALPHABET INC-CL AGOOGL | 34 funds | $7.7B |
| BROADCOM INCAVGO | 34 funds | $7.2B |
| JPMORGAN CHASE & COJPM | 34 funds | $3.6B |
| VISA INC-CLASS A SHARESV | 34 funds | $2.5B |
| UNITEDHEALTH GROUP INCUNH | 34 funds | $1.5B |
| META PLATFORMS INC-CLASS AMETA | 33 funds | $5.9B |
| MICRON TECHNOLOGY INCMU | 33 funds | $3.4B |
| ELI LILLY & COLLY | 33 funds | $3.0B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 33 funds | $2.8B |
| COSTCO WHOLESALE CORPCOST | 33 funds | $2.2B |
Ranked by how many of GLRE'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 GLRE. 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.