Casella Waste Systems
CWST
417 hedge funds and large institutions have $7.49B invested in Casella Waste Systems in 2026 Q2 according to their latest regulatory filings, with 66 funds opening new positions, 168 increasing their positions, 127 reducing their positions, and 52 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 3 → 6 (+3)
50% more call options, than puts
Call options by funds: $1.53M | Put options by funds: $1.02M
32% more repeat investments, than reductions
Existing positions increased: 168 | Existing positions reduced: 127
27% more first-time investments, than exits
New positions opened: 66 | Existing positions closed: 52
26% more capital invested
Capital invested by funds: $5.92B → $7.49B (+$1.56B)
4.1% more ownership
Funds ownership: 119.32% → 123.42% (+4.1%)
2% more funds holding
Funds holding: 407 → 417 (+10)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WA
Wasatch Advisors
Salt Lake City,
Utah
|
+$81.1M |
| 2 |
American Century Companies
Kansas City,
Missouri
|
+$68.8M |
| 3 |
Neuberger Berman Group
New York
|
+$41.1M |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$36M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
+$32.3M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
-$84.5M |
| 2 |
CCA
Conestoga Capital Advisors
Wayne,
Pennsylvania
|
-$40M |
| 3 |
WP
Woodline Partners
San Francisco,
California
|
-$33M |
| 4 |
Capital World Investors
Los Angeles,
California
|
-$31.1M |
| 5 |
GACM
Global Alpha Capital Management
Montreal,
Quebec, Canada
|
-$25.9M |
CWST Hedge Fund Activity: Q2 2026 in Review
417 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Casella Waste Systems (CWST) for Q2 2026, worth a combined $7.49B — up 26% from $5.92B a quarter earlier.
Buyers outnumbered sellers: 66 funds opened new CWST positions and 52 closed out — a net gain of 14 holders — while 168 added to existing stakes and 127 trimmed.
The largest buyer was Wasatch Advisors, adding an estimated $81.1M. The largest seller was William Blair Investment Management, cutting an estimated $84.5M.
- 417 institutional investors held Casella Waste Systems (CWST) as of Q2 2026, up from 407 in Q1 2026.
- Funds reported $7.49B of Casella Waste Systems stock for Q2 2026, up 26% quarter-over-quarter.
- 66 funds opened new Casella Waste Systems positions in Q2 2026 and 52 closed out, a net change of +14 holders.
- The largest Casella Waste Systems buyer in Q2 2026 was Wasatch Advisors, an estimated $81.1M added.
- The largest Casella Waste Systems seller in Q2 2026 was William Blair Investment Management, an estimated $84.5M sold.
Based on aggregated 13F filings for Q2 2026.