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 WEAV 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/WEAV"
Use Arkolith to show who owns WEAV, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD PORTFOLIO MANAGEMENT LLC | $11.2M | 2.4M | ▲New +2.4M sh | Q1 2026 | |
| 2 | DISCIPLINED GROWTH INVESTORS INC /MN | $10.5M | 2.3M | ▼−1.5% Reduced · −35K sh | Q1 2026 | |
| 3 | STATE STREET CORP | $10.1M | 2.2M | ▲+0.9% Added · +20K sh | Q1 2026 | |
| 4 | FRONTIER CAPITAL MANAGEMENT CO LLC | $9.7M | 2.1M | ▼−26% Reduced · −753K sh | Q1 2026 | |
| 5 | ArrowMark Colorado Holdings LLC | $5.7M | 1.2M | ▲+1.1% Added · +13K sh | Q1 2026 | |
| 6 | CenterBook Partners LP | $5.4M | 1.2M | ▲+61% Added · +441K sh | Q1 2026 | |
| 7 | JACOBS LEVY EQUITY MANAGEMENT, INC | $4.3M | 929K | ▲+5.1% Added · +45K sh | Q1 2026 | |
| 8 | WASATCH ADVISORS LP | $3.1M | 662K | ▼−63% Reduced · −1.1M sh | Q1 2026 | |
| 9 | VANGUARD FIDUCIARY TRUST CO | $2.1M | 459K | ▲New +459K sh | Q1 2026 | |
| 10 | Y-Intercept (Hong Kong) Ltd | $1.7M | 370K | ▲New +370K sh | Q1 2026 | |
| 11 | CAPITOLIS LIQUID GLOBAL MARKETS LLC | $1.7M | 364K | ▼−2.2% Reduced · −8K sh | Q1 2026 | |
| 12 | Connor, Clark & Lunn Investment Management Ltd. | $1.2M | 260K | ▼−43% Reduced · −197K sh | Q1 2026 | |
| 13 | Trexquant Investment LP | $1.1M | 239K | ▲+32% Added · +58K sh | Q1 2026 | |
| 14 | Man Group plc | $778K | 168K | ▲+55% Added · +60K sh | Q1 2026 | |
| 15 | OBERWEIS ASSET MANAGEMENT INC/ | $336K | 73K | ▼−93% Reduced · −926K sh | Q1 2026 | |
| 16 | CWM, LLC | $298K | 65K | ▲+615% Added · +56K sh | Q1 2026 | |
| 17 | IEQ CAPITAL, LLC | $290K | 63K | ▲New +63K sh | Q1 2026 | |
| 18 | Engineers Gate Manager LP | $191K | 41K | ▼−72% Reduced · −106K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $177K | 38K | ▲+16% Added · +5K sh | Q1 2026 | |
| 20 | WINTON GROUP Ltd | $147K | 32K | ▲New +32K sh | Q1 2026 | |
| 21 | WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | $124K | 25K | ▲New +25K sh | Q1 2026 | |
| 22 | Cornerstone Investment Partners, LLC | $124K | 27K | ▲+30% Added · +6K sh | Q1 2026 | |
| 23 | Sequoia Financial Advisors, LLC | $120K | 26K | ▼−2.2% Reduced · −595 sh | Q1 2026 | |
| 24 | MetLife Investment Management, LLC | $116K | 25K | ▼−28% Reduced · −10K sh | Q1 2026 | |
| 25 | Cresset Asset Management, LLC | $109K | 24K | ▲+0.6% Added · +130 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 |
|---|---|---|---|---|---|
| Jun 15, 2026 | Christiansen Jason Paul | Chief Financial Officer | Tax withholding (F) | 2K | $10K |
| Jun 15, 2026 | McNeil Joseph David | Chief Revenue Officer | Tax withholding (F) | 19K | $104K |
| Jun 15, 2026 | Bertilson Marcus | Chief Operating Officer | Tax withholding (F) | 12K | $64K |
| Jun 15, 2026 | WHITE BRETT T | Chief Executive Officer, Director | Tax withholding (F) | 35K | $189K |
| Jun 10, 2026 | Silverman David Richard | Director | Grant (A) | 33K | $0 |
| Jun 10, 2026 | TOMLIN DEBORA B | Director | Grant (A) | 33K | $0 |
| Jun 10, 2026 | Scanlon George P | Director | Grant (A) | 33K | $0 |
| Mar 28, 2026 | Robson Herbert Edward II | Director | Grant (A) | 69K | $0 |
| Mar 26, 2026 | McNeil Joseph David | Chief Revenue Officer | Grant (A) | 300K | $0 |
| Mar 26, 2026 | Christiansen Jason Paul | Chief Financial Officer | Grant (A) | 300K | $0 |
| Mar 26, 2026 | Bertilson Marcus | Chief Operating Officer | Grant (A) | 300K | $0 |
| Mar 13, 2026 | WHITE BRETT T | Chief Executive Officer, Director | Tax withholding (F) | 118K | $574K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 56 funds | $20.1B |
| AMAZON.COM INCAMZN | 53 funds | $14.8B |
| BROADCOM INCAVGO | 53 funds | $11.2B |
| META PLATFORMS INC-CLASS AMETA | 53 funds | $10.0B |
| NVIDIA CORPNVDA | 52 funds | $30.2B |
| APPLE INCAAPL | 52 funds | $25.0B |
| ALPHABET INC-CL AGOOGL | 52 funds | $13.3B |
| JPMORGAN CHASE & COJPM | 52 funds | $6.8B |
| MICRON TECHNOLOGY INCMU | 52 funds | $4.6B |
| BANK OF AMERICA CORPBAC | 52 funds | $2.7B |
| ELI LILLY & COLLY | 51 funds | $5.8B |
| COSTCO WHOLESALE CORPCOST | 51 funds | $4.6B |
Ranked by how many of WEAV'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 WEAV. 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.