Who owns Casella Waste Systems, Inc.?
Institutional ownership of CWST from SEC Form 13F filings across 283 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
283
13F holders
$5.24B
value, 2026 filers
87.4%
of shares outstanding (54.8M sh)
42
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of CWST's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 9.4M | $910.6M | 0.0% | 15% | +3.8% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4M | $334.4M | 0.0% | 5.5% | +2.8% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2.8M | $273.7M | 0.0% | 4.5% | -49.6% |
| 4 | Capital International Investors | 2.1M | $199.2M | 0.0% | 3.3% | +5.2% |
| 5 | Capital Research Global Investors | 2.0M | $196.7M | 0.0% | 3.2% | -12.9% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $159.8M | 0.0% | 2.6% | +6.1% |
| 7 | JPMORGAN CHASE & CO | 1.5M | $145.9M | 0.0% | 2.5% | +13.6% |
| 8 | Invesco Ltd. | 1.5M | $141.5M | 0.0% | 2.3% | -11.8% |
| 9 | NEUBERGER BERMAN GROUP LLC | 1.4M | $139.1M | 0.1% | 2.3% | +50.4% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 1.3M | $125.3M | 0.0% | 2.1% | +6.6% |
| 11 | Clearbridge Investments, LLC | 1.2M | $118.3M | 0.1% | 1.9% | +6.8% |
| 12 | MORGAN STANLEY | 1.2M | $117.7M | 0.0% | 1.9% | +1.5% |
| 13 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.2M | $114.6M | 0.8% | 1.9% | -5.6% |
| 14 | Pictet Asset Management Holding SA | 1.1M | $102.0M | 0.1% | 1.7% | +13.8% |
| 15 | BAMCO INC /NY/ | 965,239 | $93.6M | 0.1% | 1.5% | +34.3% |
| 16 | AMERICAN CENTURY COMPANIES INC | 862,452 | $83.6M | 0.0% | 1.4% | +1423.9% |
| 17 | GOLDMAN SACHS GROUP INC | 826,971 | $80.2M | 0.0% | 1.3% | -21.3% |
| 18 | BANK OF AMERICA CORP /DE/ | 808,261 | $78.4M | 0.0% | 1.3% | +84.2% |
| 19 | UBS Group AG | 803,537 | $77.9M | 0.0% | 1.3% | -13.9% |
| 20 | NORTHERN TRUST CORP | 771,245 | $74.8M | 0.0% | 1.2% | +8.4% |
| 21 | VOYA INVESTMENT MANAGEMENT LLC | 739,652 | $71.7M | 0.1% | 1.2% | +2.1% |
| 22 | Sixth Street Partners Management Company, L.P.NEW | 719,450 | $69.8M | 12.0% | 1.1% | new |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 719,450 | $69.8M | 0.0% | 1.1% | +10.2% |
| 24 | BROWN ADVISORY INC | 670,239 | $65.0M | 0.1% | 1.1% | +3.2% |
| 25 | AMERIPRISE FINANCIAL INC | 634,591 | $61.5M | 0.0% | 1% | -18.7% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.