Who owns CASELLA WASTE SYSTEMS INC?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CWST from SEC Form 13F filings across 417 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.
As of the 2026-06-30 reporting period, 417 institutions disclosed 77.3M shares of CASELLA WASTE SYSTEMS INC worth $7.49B — about 121.5% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
417
13F holders
$7.49B
value, 2026 filers
121.5%
of shares outstanding (77.3M sh)
68
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% | 14.8% | +3.8% |
| 2 | WASATCH ADVISORS LP | 3.5M | $342.5M | 2.2% | 5.6% | +36.8% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 3.4M | $334.4M | 0.0% | 5.4% | +2.8% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 2.8M | $273.7M | 0.0% | 4.4% | +0.9% |
| 5 | STATE STREET CORP | 2.5M | $244.4M | 0.0% | 4% | +5.5% |
| 6 | Conestoga Capital Advisors, LLC | 2.3M | $226.5M | 4.9% | 3.7% | -16.7% |
| 7 | T. Rowe Price Investment Management, Inc. | 2.1M | $201.5M | 0.1% | 3.3% | +22.3% |
| 8 | Capital International Investors | 2.1M | $199.2M | 0.0% | 3.2% | +5.2% |
| 9 | Capital Research Global Investors | 2.0M | $196.7M | 0.0% | 3.2% | -12.9% |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1.6M | $159.8M | 0.0% | 2.6% | +6.1% |
| 11 | JPMORGAN CHASE & CO | 1.5M | $145.9M | 0.0% | 2.4% | +13.6% |
| 12 | Invesco Ltd. | 1.5M | $141.5M | 0.0% | 2.3% | -11.8% |
| 13 | NEUBERGER BERMAN GROUP LLC | 1.4M | $139.1M | 0.1% | 2.3% | +50.4% |
| 14 | EARNEST PARTNERS LLC | 1.4M | $135.7M | 0.5% | 2.2% | +23.5% |
| 15 | WELLINGTON MANAGEMENT GROUP LLP | 1.3M | $125.3M | 0.0% | 2% | +6.6% |
| 16 | Clearbridge Investments, LLC | 1.2M | $118.3M | 0.1% | 1.9% | +6.8% |
| 17 | MORGAN STANLEY | 1.2M | $117.7M | 0.0% | 1.9% | +1.5% |
| 18 | DIMENSIONAL FUND ADVISORS LP | 1.2M | $114.8M | 0.0% | 1.9% | +11.0% |
| 19 | SILVERCREST ASSET MANAGEMENT GROUP LLC | 1.2M | $114.6M | 0.8% | 1.9% | -5.6% |
| 20 | Pictet Asset Management Holding SA | 1.1M | $102.0M | 0.1% | 1.7% | +13.8% |
| 21 | BAMCO INC /NY/ | 965,239 | $93.6M | 0.1% | 1.5% | +34.3% |
| 22 | GENEVA CAPITAL MANAGEMENT LLC | 911,153 | $88.4M | 2.0% | 1.4% | -21.7% |
| 23 | AMERICAN CENTURY COMPANIES INC | 862,452 | $83.6M | 0.0% | 1.4% | +1423.9% |
| 24 | GOLDMAN SACHS GROUP INC | 826,971 | $80.2M | 0.0% | 1.3% | -21.3% |
| 25 | WESTFIELD CAPITAL MANAGEMENT CO LP | 812,525 | $78.8M | 0.3% | 1.3% | -1.2% |
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.