Casella Waste Systems Inc
CWST- Exchange
- Nasdaq
- Industry
- Refuse Systems
- SEC CIK
- 0000911177
In the last 90 days, Casella Waste Systems Inc insiders filed 0 open-market purchases and 3 sales; 420 institutions reported holding it in 13F filings for Q2 2026, worth $7.49B in total; no superinvestor holds it.
Key figures
- Market capNo recent share count in SEC filings
- –
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $226.3K in total
- 3
- 13F holdersQ2 2026, +12 vs. previous quarter
- 420
- 13F valueReported value at the end of Q2 2026
- $7.49B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $1.84B
- +18.0% year over year
- Net income, FY2025
- $7.87M
- −41.9% year over year
- Free cash flow, FY2025
- $84.7M
- +8.4% year over year
- Revenue, Q3 FY2026
- $559.2M
- +15.2% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 4.75M
- Shares sold short
- Change
- −363.3K
- −7.1% vs. previous
- Days to cover
- 6.68
- At average daily volume
Superinvestors holding CWST, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding CWST at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Casella Waste Systems Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 10, 2026 (view filing)6:42 PM ET | Nov 9 | 1 day | Helgeson Bradford JohnExecutive VP and CFO | SSaleClass A Common Stock | −195 | $98.72 | −$19.3K | −2.7%7.15K after | 10b5-1 |
| Sep 3, 2026 (view filing)4:29 PM ET | Sep 3 | Same day | Burke Michael KDirector | SSaleClass A Common Stock | −1.10K | $95.26 | −$104.8K | −7.5%13.6K after | |
| Aug 26, 2026 (view filing)4:45 PM ET | Aug 26 | Same day | Burke Michael KDirector | SSaleClass A Common Stock | −1.10K | $92.99 | −$102.3K | −6.9%14.7K after | |
| Aug 14, 2026 (view filing)5:16 PM ET | Aug 13-14 | 1 day | Casella Douglas RVICE CHAIRMAN, BD OF DIRECTORS | SSaleClass A Common Stock | −16.5K | $91.05 | −$1.50M | −15.5%90.1K after | 3 lots |
| May 27, 2026 (view filing) | May 26 | 1 day | Burke Michael KDirector | SSaleClass A Common Stock | −2.31K | $87.56 | −$201.8K | −14.1%14.0K after | |
| May 22, 2026 (view filing) | May 19 | 3 daysLate | Coletta EdmondPRESIDENT & CEO | SSaleClass A Common Stock | −12.5K | $89.56 | −$1.12M | −8.2%140.1K after | 3 lots |
| Mar 16, 2026 (view filing) | Mar 12-16 | 4 days | Steves SeanSr VP & COO of SW Ops | SSaleClass A Common Stock | −294 | $88.43 | −$26.0K | −3.0%9.38K after | 2 lots10b5-1 |
| Mar 16, 2026 (view filing) | Mar 12-16 | 4 days | Drohan KevinVP & CHIEF ACCOUNTING OFFICER | SSaleClass A Common Stock | −140 | $88.43 | −$12.4K | −1.7%7.87K after | 2 lots10b5-1 |
| Mar 16, 2026 (view filing) | Mar 12-16 | 4 days | Sayward Shelley E.SENIOR VP & GENERAL COUNSEL | SSaleClass A Common Stock | −491 | $88.25 | −$43.3K | −1.7%28.4K after | 2 lots10b5-1 |
| Mar 16, 2026 (view filing) | Mar 16 | Same day | Helgeson Bradford JohnExecutive VP and CFO | SSaleClass A Common Stock | −405 | $87.73 | −$35.5K | −5.2%7.34K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 420 holdersThe largest institutional positions in Casella Waste Systems Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,390,112 | $910.6M | 0.01% | +342,840+3.8% | Added |
| Wasatch Advisors Inc | 3,531,594 | $342.5M | 2.24% | +949,374+36.8% | Added |
| Vanguard Portfolio Management LLC | 3,448,748 | $334.4M | 0.02% | +95,507+2.8% | Added |
| Vanguard Capital Management LLC | 2,823,033 | $273.7M | 0.01% | +24,106+0.9% | Added |
| State Street Corp | 2,520,170 | $244.4M | 0.01% | +130,973+5.5% | Added |
| Conestoga Capital Advisors, LLC | 2,336,156 | $226.5M | 4.93% | −468,319−16.7% | Reduced |
| T. Rowe Price Investment Management, Inc. | 2,078,022 | $201.5M | 0.13% | +378,532+22.3% | Added |
| Capital International Investors | 2,054,399 | $199.2M | 0.04% | +101,579+5.2% | Added |
| Capital Research Global Investors | 2,028,646 | $196.7M | 0.03% | −301,519−12.9% | Reduced |
| Geode Capital Management, LLC | 1,647,147 | $159.8M | 0.01% | +93,984+6.1% | Added |
Holders of 5% or more of CWST
See all 4 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Casella Waste Systems Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.30%8.93M shares | – | Jan 8, 20261 filing | Jan 8, 2026 | SEC |
| Conestoga Capital Advisors, LLC | 13G/A | 5.51%3.43M shares | – | Jan 6, 20215 filings | Jan 10, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.45%3.41M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.23%3.28M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in CWST2 members of Congress reported 2 trades in Casella Waste Systems Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Jun 22, 2025 |  Jefferson Shreve House · IN | Sell | $50K-$100K |
| Jan 16, 2020 |  Susie Lee House · NV | Sell | $1K-$15K |
House · IN · Jun 22, 2025
Sell$50K-$100K
House · NV · Jan 16, 2020
Sell$1K-$15K