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Castleark Management’s Casella Waste Systems CWST Stock Holding History

Castleark 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 		$9.74M Buy
+100,460
New +$8.58M 0.26% 88
2025
Q3 		– Sell
-58,840
Closed -$6.79M – 296
2025
Q2 		$6.79M Sell
58,840
-1,930
-3% -$223K 0.2% 90
2025
Q1 		$6.78M Buy
60,770
+1,370
+2% +$150K 0.23% 77
2024
Q4 		$6.29M Sell
59,400
-2,560
-4% -$270K 0.22% 112
2024
Q3 		$6.16M Sell
61,960
-2,290
-4% -$237K 0.25% 93
2024
Q2 		$6.37M Buy
64,250
+7,320
+13% +$705K 0.26% 84
2024
Q1 		$5.63M Buy
56,930
+4,820
+9% +$432K 0.23% 101
2023
Q4 		$4.45M Buy
+52,110
New +$4.19M 0.2% 125
2023
Q1 		– Sell
-106,150
Closed -$8.42M – 289
2022
Q4 		$8.42M Sell
106,150
-10,880
-9% -$873K 0.44% 50
2022
Q3 		$8.94M Sell
117,030
-2,750
-2% -$220K 0.5% 40
2022
Q2 		$8.71M Sell
119,780
-5,165
-4% -$393K 0.47% 40
2022
Q1 		$11M Sell
124,945
-2,550
-2% -$203K 0.47% 37
2021
Q4 		$10.9M Sell
127,495
-13,125
-9% -$1.1M 0.4% 64
2021
Q3 		$10.7M Buy
+140,620
New +$9.91M 0.41% 65

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

Castleark Management's CWST Position: Q2 2026 in Review

Castleark Management opened a new position in Casella Waste Systems (CWST) in Q2 2026: 100,460 shares worth $9.74M. The stake represents 0.26% of the portfolio and ranks #88 among its holdings. This is a return to the name: Castleark Management previously reported a position in CWST as recently as Q2 2025.

Castleark Management first reported a position in CWST in Q3 2021 and has held it in 14 quarters since. The position peaked at $11M in Q1 2022. 418 funds tracked by Wall St. Rank hold CWST as of Q2 2026.

  • Castleark Management held 100,460 shares of Casella Waste Systems worth $9.74M as of Q2 2026.
  • Casella Waste Systems was a new Castleark Management position in Q2 2026.
  • Casella Waste Systems made up 0.26% of Castleark Management's portfolio in Q2 2026, its #88 holding.
  • Castleark Management first reported a position in Casella Waste Systems in Q3 2021 and has held it in 14 quarters since.
  • Castleark Management's Casella Waste Systems position peaked at $11M in Q1 2022.
  • 418 funds tracked by Wall St. Rank held Casella Waste Systems as of Q2 2026.

Based on Castleark Management's 13F filing for Q2 2026, filed 14 Aug 2026.