Mariner
CWST icon

Mariner’s Casella Waste Systems CWST Stock Holding History

Mariner’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
2025
Q2 		– Sell
-3,868
Closed -$431K – 3523
2025
Q1 		$431K Buy
3,868
+197
+5% +$21.6K ﹤0.01% 2325
2024
Q4 		$388K Buy
3,671
+338
+10% +$35.7K ﹤0.01% 2389
2024
Q3 		$331K Sell
3,333
-86
-3% -$8.9K ﹤0.01% 2485
2024
Q2 		$339K Sell
3,419
-321
-9% -$30.9K ﹤0.01% 2356
2024
Q1 		$370K Buy
3,740
+482
+15% +$43.2K ﹤0.01% 2264
2023
Q4 		$278K Sell
3,258
-60
-2% -$4.82K ﹤0.01% 2416
2023
Q3 		$253K Buy
3,318
+403
+14% +$33K ﹤0.01% 2301
2023
Q2 		$264K Buy
+2,915
New +$260K ﹤0.01% 2231

Other funds holding CWST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
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
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mariner's CWST Position: Q2 2025 in Review

Mariner sold out of Casella Waste Systems (CWST) in Q2 2025, closing a stake of 3,868 shares — an estimated $431K sold.

Mariner first reported a position in CWST in Q2 2023 and held it in 8 quarters. The position peaked at $431K in Q1 2025. 392 funds tracked by Wall St. Rank hold CWST as of Q2 2025.

  • Mariner reported no remaining Casella Waste Systems position as of Q2 2025 after selling out during the quarter.
  • Mariner sold 3,868 Casella Waste Systems shares in Q2 2025, an estimated $431K.
  • Mariner first reported a position in Casella Waste Systems in Q2 2023 and held it in 8 quarters.
  • Mariner's Casella Waste Systems position peaked at $431K in Q1 2025.
  • 392 funds tracked by Wall St. Rank held Casella Waste Systems as of Q2 2025.

Based on Mariner's 13F filing for Q2 2025, filed 14 Aug 2025.