Westfield Capital Management
CWST icon

Westfield Capital Management’s Casella Waste Systems CWST Stock Holding History

Westfield Capital Management’s Portfolio CWST Stock Details CWST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$78.8M Sell
812,525
-9,967
-1% -$851K 0.26% 108
2026
Q1 		$65.3M Sell
822,492
-842,734
-51% -$80.7M 0.27% 119
2025
Q4 		$163M Buy
1,665,226
+17,319
+1% +$1.61M 0.68% 33
2025
Q3 		$156M Buy
1,647,907
+95,600
+6% +$9.62M 0.66% 37
2025
Q2 		$179M Buy
1,552,307
+44,464
+3% +$5.14M 0.75% 29
2025
Q1 		$168M Sell
1,507,843
-12,460
-0.8% -$1.36M 0.82% 24
2024
Q4 		$161M Buy
1,520,303
+569,819
+60% +$60.2M 0.7% 35
2024
Q3 		$94.6M Buy
950,484
+39,666
+4% +$4.11M 0.43% 76
2024
Q2 		$90.4M Buy
910,818
+62,806
+7% +$6.05M 0.44% 65
2024
Q1 		$83.8M Buy
848,012
+96,459
+13% +$8.65M 0.44% 81
2023
Q4 		$64.2M Buy
751,553
+159,850
+27% +$12.8M 0.37% 102
2023
Q3 		$45.1M Buy
591,703
+39,516
+7% +$3.24M 0.31% 127
2023
Q2 		$49.9M Buy
552,187
+173,520
+46% +$15.5M 0.32% 119
2023
Q1 		$31.3M Buy
378,667
+159,819
+73% +$12.6M 0.22% 147
2022
Q4 		$17.4M Buy
+218,848
New +$17.6M 0.13% 164

Other funds holding CWST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Westfield Capital Management's CWST Position: Q2 2026 in Review

Westfield Capital Management reduced its Casella Waste Systems (CWST) stake by 1.2% in Q2 2026, selling an estimated $851K and leaving 812,525 shares worth $78.8M. The position accounts for 0.26% of the portfolio, ranked #108.

Westfield Capital Management first reported a position in CWST in Q4 2022 and has held it in 15 quarters since. The position peaked at $179M in Q2 2025. 415 funds tracked by Wall St. Rank hold CWST as of Q2 2026.

  • Westfield Capital Management held 812,525 shares of Casella Waste Systems worth $78.8M as of Q2 2026.
  • Westfield Capital Management sold 9,967 Casella Waste Systems shares in Q2 2026, an estimated $851K.
  • Casella Waste Systems made up 0.26% of Westfield Capital Management's portfolio in Q2 2026, its #108 holding.
  • Westfield Capital Management first reported a position in Casella Waste Systems in Q4 2022 and has held it in 15 quarters since.
  • Westfield Capital Management's Casella Waste Systems position peaked at $179M in Q2 2025.
  • 415 funds tracked by Wall St. Rank held Casella Waste Systems as of Q2 2026.

Based on Westfield Capital Management's 13F filing for Q2 2026, filed 12 Aug 2026.