Casella Waste Systems
CWST · NASDAQ
$93.07+$6.53 (+7.55%)TodayMarket closed ·
Prev close $86.54
Who owns CWST
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 48.9% of CWST’s shares.
- BlackRock Institutional Trust Company, N.A.13.5%
- Wasatch Global Investors Inc5.6%
- Vanguard Portfolio Management, LLC5.4%
- Vanguard Capital Management, LLC4.4%
- Next 6 largest institutions19.9%
- All other shareholders51.1%
| Holder | Shares | % of shares |
|---|---|---|
| BlackRock Institutional Trust Company, N.A. | 8.61M | 13.54% |
| Wasatch Global Investors Inc | 3.53M | 5.55% |
| Vanguard Portfolio Management, LLC | 3.45M | 5.42% |
| Vanguard Capital Management, LLC | 2.82M | 4.44% |
| State Street Investment Management (US) | 2.52M | 3.96% |
| Conestoga Capital Advisors, LLC | 2.34M | 3.67% |
| T. Rowe Price Investment Management, Inc. | 2.08M | 3.27% |
| Capital International Investors | 2.05M | 3.23% |
| Capital Research Global Investors | 2.03M | 3.19% |
| Geode Capital Management, L.L.C. | 1.65M | 2.59% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Small-Cap ETF | 3.82M | 6.00% |
| American Funds SMALLCAP World Fund | 3.04M | 4.77% |
| Vanguard Total Stock Market Index Fund | 2.00M | 3.14% |
| iShares Russell 2000 ETF | 1.64M | 2.58% |
| Wasatch Core Growth Fund | 1.49M | 2.34% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $3.03M (9 trades) of CWST on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| BURKE MICHAEL K | Sale | 1.10K | $104.79K |
| BURKE MICHAEL K | Sale | 1.10K | $102.29K |
| CASELLA DOUGLAS R | Sale | 1.34K | $122.37K |
| CASELLA DOUGLAS R | Sale | 13.32K | $1.21M |
| CASELLA DOUGLAS R | Sale | 1.84K | $167.06K |
| Ribar Damian Andrew | Award | 25.00K | — |
| Green Emily Nagle | Gift | 600 | — |
| Sova Gary | Award | 1.79K | $149.98K |
| Kirk Rose M. | Award | 1.79K | $149.98K |
| Green Emily Nagle | Award | 1.79K | $149.98K |
Short interest
Settled Sep 30, 2026
- Shares short
- 5.06M
- Days to cover
- 8.66
- % of shares outstanding
- 7.96%
- Average daily volume
- 584.78K
- Change since last report
- −0.1%
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