373 tracked 13F filers disclose a position in CWST as of the latest SEC 13F filings, a combined $5.2B in reported value. 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.
| # | 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 | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $222.1M | 2.8M | →First observed position No prior filed position | Q1 2026 | |
| 5 | STATE STREET CORP | $244.4M | 2.5M | ▲+5.5% Added · +131K sh | Q2 2026 | |
| 6 | Conestoga Capital Advisors, LLC | $226.5M | 2.3M | ▼−17% Reduced · −468K sh | Q2 2026 | |
| 7 | T. Rowe Price Investment Management, Inc. | Withheld | 1.7M | ▼−0.5% Reduced · −8K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $159.8M | 1.6M | ▲+6.0% Added · +94K sh | Q2 2026 | |
| 9 | EARNEST PARTNERS LLC | $135.7M | 1.4M | ▲+24% Added · +267K sh | Q2 2026 | |
| 10 | JPMORGAN CHASE & CO | $106.5M | 1.4M | ▼−7.1% Reduced · −104K 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 | Clearbridge Investments, LLC | $90.6M | 1.1M | ▲+52% Added · +391K sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $84.7M | 1.1M | ▲+3.0% Added · +31K sh | Q1 2026 | |
| 15 | GOLDMAN SACHS GROUP INC | $83.4M | 1.1M | ▲+17% Added · +151K sh | Q1 2026 | |
| 16 | Neuberger Berman Group LLC | $75.7M | 954K | ▼−8.8% Reduced · −92K sh | Q1 2026 | |
| 17 | UBS Group AG | $74.0M | 933K | ▲+11% Added · +91K sh | Q1 2026 | |
| 18 | Pictet Asset Management Holding SA | $73.3M | 924K | ▼−6.7% Reduced · −66K sh | Q1 2026 | |
| 19 | GENEVA CAPITAL MANAGEMENT LLC | $88.4M | 911K | ▼−22% Reduced · −252K sh | Q2 2026 | |
| 20 | WESTFIELD CAPITAL MANAGEMENT CO LP | $78.8M | 813K | ▼−1.2% Reduced · −10K sh | Q2 2026 | |
| 21 | AMERIPRISE FINANCIAL INC | $61.9M | 780K | ▲+2.1% Added · +16K sh | Q1 2026 | |
| 22 | VOYA INVESTMENT MANAGEMENT LLC | $57.5M | 724K | ▲+5.5% Added · +38K sh | Q1 2026 | |
| 23 | NORTHERN TRUST CORP | $56.5M | 712K | ▲+0.3% Added · +2K sh | Q1 2026 | |
| 24 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $51.8M | 653K | ▼−3.0% Reduced · −20K sh | Q1 2026 | |
| 25 | BROWN ADVISORY INC | $51.5M | 649K | ▼−2.0% Reduced · −13K 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.
Last quarter, 4 funds opened a new position in CWST and 29 added to an existing one, while 32 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 207 funds | $256.5B |
| NVIDIA CORPNVDA | 202 funds | $388.4B |
| AMAZON.COM INCAMZN | 200 funds | $195.6B |
| ALPHABET INC-CL AGOOGL | 199 funds | $165.7B |
| APPLE INCAAPL | 198 funds | $285.4B |
| META PLATFORMS INC-CLASS AMETA | 197 funds | $113.1B |
| VISA INC-CLASS A SHARESV | 196 funds | $64.6B |
| JPMORGAN CHASE & COJPM | 194 funds | $61.0B |
| ELI LILLY & COLLY | 192 funds | $78.6B |
| BROADCOM INCAVGO | 191 funds | $151.3B |
| ALPHABET INC-CL CGOOG | 191 funds | $117.6B |
| COSTCO WHOLESALE CORPCOST | 189 funds | $38.4B |
Ranked by how many of CWST's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 26, 2026 | BURKE MICHAEL K | Director | Sell (S) | 1K | $102K |
| Aug 14, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS, Director | Sell (S) | 1K | $122K |
| Aug 13, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS, Director | Sell (S) | 13K | $1.2M |
| Aug 13, 2026 | CASELLA DOUGLAS R | VICE CHAIRMAN, BD OF DIRECTORS, Director | Sell (S) | 2K | $167K |
| May 26, 2026 | BURKE MICHAEL K | Director | Sell (S) | 2K | $202K |
| May 19, 2026 | Coletta Edmond | PRESIDENT & CEO | Sell (S) | 6K | $534K |
| May 19, 2026 | Coletta Edmond | PRESIDENT & CEO | Sell (S) | 2K | $143K |
| May 19, 2026 | Coletta Edmond | PRESIDENT & CEO | Sell (S) | 5K | $442K |
| Mar 16, 2026 | CASELLA JOHN W | Director | Sell (S) | 2K | $153K |
| Mar 16, 2026 | Coletta Edmond | PRESIDENT & CEO | Sell (S) | 988 | $87K |
| Mar 16, 2026 | Helgeson Bradford John | Executive VP and CFO | Sell (S) | 405 | $36K |
| Mar 16, 2026 | Sayward Shelley E. | SENIOR VP & GENERAL COUNSEL | Sell (S) | 362 | $32K |
Connected entities for CWST
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.
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.