This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MWH/capital-change-brief"
Use Arkolith's capital_change_brief for MWH. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | AMERICAN SECURITIES LLC | $2.8B | 91.8M | ▲New +91.8M sh | Q1 2026 | |
| 2 | Point72 Asset Management, L.P. | $59.3M | 2.0M | ▲New +2.0M sh | Q1 2026 | |
| 3 | MILLENNIUM MANAGEMENT LLC | $32.7M | 1.1M | ▲New +1.1M sh | Q1 2026 | |
| 4 | Robeco Schweiz AG | $30.2M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 5 | Encompass Capital Advisors LLC | $30.0M | 1.0M | ▲New +1.0M sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $29.0M | 967K | ▲New +967K sh | Q1 2026 | |
| 7 | JENNISON ASSOCIATES LLC | $26.0M | 865K | ▲New +865K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $25.1M | 835K | ▲New +835K sh | Q1 2026 | |
| 9 | DEUTSCHE BANK AG\ | $22.7M | 756K | ▲New +756K sh | Q1 2026 | |
| 10 | Yaupon Capital Management LP | $21.8M | 725K | ▲New +725K sh | Q1 2026 | |
| 11 | Electron Capital Partners, LLC | $21.7M | 721K | ▲New +721K sh | Q1 2026 | |
| 12 | Covalis Capital LLP | $20.9M | 697K | ▲New +697K sh | Q1 2026 | |
| 13 | GOLDMAN SACHS GROUP INC | $19.9M | 662K | ▲New +662K sh | Q1 2026 | |
| 14 | BlackRock, Inc. | $19.4M | 647K | ▲New +647K sh | Q1 2026 | |
| 15 | BALYASNY ASSET MANAGEMENT L.P. | $17.9M | 597K | ▲New +597K sh | Q1 2026 | |
| 16 | FRANKLIN RESOURCES INC | $17.5M | 582K | ▲New +582K sh | Q1 2026 | |
| 17 | Pictet Asset Management Holding SA | $17.2M | 572K | ▲New +572K sh | Q1 2026 | |
| 18 | SCOPUS ASSET MANAGEMENT, L.P. | $16.2M | 539K | ▲New +539K sh | Q1 2026 | |
| 19 | CITADEL ADVISORS LLC | $15.5M | 515K | ▲New +515K sh | Q1 2026 | |
| 20 | Aventail Capital Group, LP | $14.8M | 493K | ▲New +493K sh | Q1 2026 | |
| 21 | FEDERATED HERMES, INC. | $12.6M | 418K | ▲New +418K sh | Q1 2026 | |
| 22 | ExodusPoint Capital Management, LP | $12.4M | 413K | ▲New +413K sh | Q1 2026 | |
| 23 | CIBC Bancorp USA Inc. | $12.1M | 404K | ▲New +404K sh | Q1 2026 | |
| 24 | REAVES W H & CO INC | $12.0M | 400K | ▲New +400K sh | Q1 2026 | |
| 25 | Schonfeld Strategic Advisors LLC | $11.8M | 394K | ▲New +394K 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 4, 2026 | AMERICAN SECURITIES LLC | 10% Owner | Sell (S) | 1.2M | — |
| Jun 4, 2026 | AMERICAN SECURITIES LLC | 10% Owner | Sell (S) | 728K | — |
| Jun 4, 2026 | SOLV Energy Management Holdings LP | 10% Owner | Sell (S) | 315K | — |
| Jun 4, 2026 | Deters Kevin J. | Chief Operating Officer | Disposed to issuer (D) | 17K | — |
| Jun 4, 2026 | Abram J Adam | Director | Disposed to issuer (D) | 1K | — |
| Jun 4, 2026 | Abram J Adam | Director | Disposed to issuer (D) | 4K | — |
| Jun 4, 2026 | Valleton Eric John | Chief Technology Officer | Disposed to issuer (D) | 8K | — |
| Jun 4, 2026 | McQuade Daniel P | Director | Disposed to issuer (D) | 464 | — |
| Jun 4, 2026 | Hershman George William | Chief Executive Officer, Director | Disposed to issuer (D) | 55K | — |
| Jun 4, 2026 | Jackson William C | Director | Disposed to issuer (D) | 454 | — |
| Jun 4, 2026 | Jackson William C | Director | Disposed to issuer (D) | 2K | — |
| Jun 4, 2026 | Pearson Brandi Michelle | Chief People Officer | Disposed to issuer (D) | 6K | — |
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 24 funds | $16.7B |
| FORGENT POWER SOLUTIONS INCFPS | 23 funds | $515.4M |
| MICROSOFT CORPMSFT | 22 funds | $6.9B |
| TESLA INCTSLA | 22 funds | $4.0B |
| VISTRA CORPVST | 22 funds | $963.2M |
| AMAZON.COM INCAMZN | 21 funds | $11.9B |
| COHERENT CORPCOHR | 21 funds | $926.8M |
| NRG ENERGY INCNRG | 21 funds | $602.0M |
| SNOWFLAKE INCSNOW | 21 funds | $422.5M |
| ALPHABET INC-CL AGOOGL | 20 funds | $5.6B |
| META PLATFORMS INC-CLASS AMETA | 20 funds | $5.0B |
| BROADCOM INCAVGO | 20 funds | $4.8B |
Ranked by how many of MWH'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 MWH. 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.