CWST — CASELLA WASTE SYS INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying CWST?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 2 tracked investors who changed their CWST position last quarter, 1 bought and 1 sold (50% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 55/100 in a Contraction regime).
- +1 tracked investor added or increased positions last quarter (Izzy Englander)
- +3 tracked investors reported holding CWST at their latest filing
- +Macro Health is 55/100 in a Contraction regime — historically acceptable for this sectorsource
- −1 tracked investor reduced or exited last quarter (1 reduced, 0 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/17/2026.
About CASELLA WASTE SYS INC (CWST)
CASELLA WASTE SYS INC (CWST) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $47M. Across recent filings, tracked investors recorded 6 new positions, 2 increased, 4 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in CWST
How many top investors track CWST
A small number of top investors own this.
CWST Ownership Composition
How CASELLA WASTE SYS INC is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant100.0%
Tracked investors currently reporting CWST
1 tracked investor has since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares472.8KValue$45.8M% Portfolio0.01%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares445.5KValue$43.2M% Portfolio0.05%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares3KValue$293.7K% Portfolio0.00%
Previously held CWST
These investors reported CWST in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Paul Tudor Jones | Tudor Investment Corp | 7.8K | $741.1K | Sep 30, 2025 |
Recent activity
- Increased$18.2M(278.74%)Nov 14, 2024
- Reduced$4.3M(-77.54%)Feb 14, 2025
- Reduced$2.4M(-46.96%)May 15, 2025
- Increased$5.4M(115.69%)Aug 14, 2025
- Sold$0(-100.00%)Feb 17, 2026
- $293.7KAug 14, 2026
- Reduced$1.9M(-11.85%)Nov 14, 2024
- New$1.7MMay 15, 2025
- Sold$0(-100.00%)Aug 14, 2025
- New$36.8MMay 15, 2026
- Reduced$43.2M(-3.97%)Aug 14, 2026
- $741.1KDec 9, 2025
- New$2.1MAug 14, 2024
- $621KMay 15, 2024
Frequently asked questions
- How many institutional investors hold CWST?
- 3 tracked institutional investors disclosed a position in CWST (CASELLA WASTE SYS INC) in their most recent 13F filing.
- Who is the largest institutional holder of CWST?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in CWST, valued at $47M.
- Did institutional ownership of CWST increase or decrease?
- Across recent 13F filings, tracked investors recorded 6 new positions, 2 increased, 4 reduced, and 2 fully exited CWST.
- Where does this CWST ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.