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/CWST/capital-change-brief"
Use Arkolith's capital_change_brief for CWST. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | $717.8M | 9.0M | ▼−0.1% Reduced · −10K sh | Q1 2026 | |
| 2 | WASATCH ADVISORS LP | $342.5M | 3.5M | ▲+37% Added · +949K sh | Q2 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $266.0M | 3.4M | ▲New +3.4M sh | Q1 2026 | |
| 4 | Conestoga Capital Advisors, LLC | $222.5M | 2.8M | ▲+1.0% Added · +27K sh | Q1 2026 | |
| 5 | VANGUARD CAPITAL MANAGEMENT LLC | $222.1M | 2.8M | ▲New +2.8M sh | Q1 2026 | |
| 6 | STATE STREET CORP | $189.6M | 2.4M | ▲+3.6% Added · +82K sh | Q1 2026 | |
| 7 | T. Rowe Price Investment Management, Inc. | Withheld | 1.7M | ▼−0.5% Reduced · −8K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $123.3M | 1.6M | ▲+0.9% Added · +14K sh | Q1 2026 | |
| 9 | JPMORGAN CHASE & CO | $106.5M | 1.4M | ▼−7.1% Reduced · −104K sh | Q1 2026 | |
| 10 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | $99.7M | 1.3M | ▼−14% Reduced · −211K sh | Q1 2026 | |
| 11 | SILVERCREST ASSET MANAGEMENT GROUP LLC | $99.3M | 1.3M | ▼−7.2% Reduced · −97K sh | Q1 2026 | |
| 12 | MORGAN STANLEY | $94.8M | 1.2M | ▼−12% Reduced · −168K sh | Q1 2026 | |
| 13 | GENEVA CAPITAL MANAGEMENT LLC | $92.3M | 1.2M | ▼−8.1% Reduced · −102K sh | Q1 2026 | |
| 14 | Clearbridge Investments, LLC | $90.6M | 1.1M | ▲+52% Added · +391K sh | Q1 2026 | |
| 15 | EARNEST PARTNERS LLC | $89.9M | 1.1M | ▼−2.5% Reduced · −29K sh | Q1 2026 | |
| 16 | DIMENSIONAL FUND ADVISORS LP | $84.7M | 1.1M | ▲+3.0% Added · +31K sh | Q1 2026 | |
| 17 | GOLDMAN SACHS GROUP INC | $83.4M | 1.1M | ▲+17% Added · +151K sh | Q1 2026 | |
| 18 | Neuberger Berman Group LLC | $75.7M | 954K | ▼−8.8% Reduced · −92K sh | Q1 2026 | |
| 19 | UBS Group AG | $74.0M | 933K | ▲+11% Added · +91K sh | Q1 2026 | |
| 20 | Pictet Asset Management Holding SA | $73.3M | 924K | ▼−6.7% Reduced · −66K sh | Q1 2026 | |
| 21 | WESTFIELD CAPITAL MANAGEMENT CO LP | $65.3M | 822K | ▼−51% Reduced · −843K sh | Q1 2026 | |
| 22 | AMERIPRISE FINANCIAL INC | $61.9M | 780K | ▲+2.1% Added · +16K sh | Q1 2026 | |
| 23 | VOYA INVESTMENT MANAGEMENT LLC | $57.5M | 724K | ▲+5.5% Added · +38K sh | Q1 2026 | |
| 24 | Allspring Global Investments Holdings, LLC | $58.9M | 722K | ▲+3.2% Added · +22K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $56.5M | 712K | ▲+0.3% 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 |
|---|---|---|---|---|---|
| Jun 8, 2026 | Green Emily Nagle | Director | Gift (G) | 600 | $0 |
| Jun 4, 2026 | Sova Gary | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS, Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | DOODY JOSEPH | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | HULLIGAN WILLIAM P | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | Green Emily Nagle | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | Kirk Rose M. | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | BURKE MICHAEL K | Director | Grant (A) | 2K | $150K |
| Jun 4, 2026 | Battles Michael Louis | Director | Grant (A) | 2K | $150K |
| Jun 1, 2026 | CASELLA JOHN W | Director | Gift (G) | 36K | $0 |
| Jun 1, 2026 | CASELLA JOHN W | Director | Gift (G) | 36K | $0 |
| Jun 1, 2026 | CASELLA JOHN W | Director | Gift (G) | 31K | $0 |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 125 funds | $53.9B |
| NVIDIA CORPNVDA | 124 funds | $74.7B |
| ALPHABET INC-CL CGOOG | 121 funds | $23.6B |
| APPLE INCAAPL | 120 funds | $61.9B |
| ALPHABET INC-CL AGOOGL | 120 funds | $34.1B |
| VISA INC-CLASS A SHARESV | 120 funds | $11.6B |
| AMAZON.COM INCAMZN | 119 funds | $41.6B |
| JOHNSON & JOHNSONJNJ | 119 funds | $11.6B |
| BROADCOM INCAVGO | 118 funds | $27.1B |
| META PLATFORMS INC-CLASS AMETA | 118 funds | $23.0B |
| ELI LILLY & COLLY | 118 funds | $14.1B |
| MASTERCARD INC - AMA | 118 funds | $10.2B |
Ranked by how many of CWST'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 CWST. 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.