Citadel Advisors
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Citadel Advisors’s Casella Waste Systems CWST Stock Holding History

Citadel Advisors’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
Q1 		$309K Sell
3,900
-7,300
-65% -$699K ﹤0.01% 10402
2025
Q4 		$1.1M Buy
11,200
+3,600
+47% +$334K ﹤0.01% 7186
2025
Q3 		$721K Sell
7,600
-25,100
-77% -$2.53M ﹤0.01% 8275
2025
Q2 		$3.77M Buy
32,700
+18,200
+126% +$2.1M ﹤0.01% 4591
2025
Q1 		$1.62M Sell
14,500
-21,600
-60% -$2.36M ﹤0.01% 5936
2024
Q4 		$3.82M Buy
36,100
+21,900
+154% +$2.31M ﹤0.01% 4416
2024
Q3 		$1.41M Sell
14,200
-6,200
-30% -$642K ﹤0.01% 6177
2024
Q2 		$2.02M Sell
20,400
-3,200
-14% -$308K ﹤0.01% 5283
2024
Q1 		$2.33M Buy
23,600
+19,700
+505% +$1.77M ﹤0.01% 5222
2023
Q4 		$333K Sell
3,900
-8,300
-68% -$667K ﹤0.01% 8959
2023
Q3 		$931K Sell
12,200
-4,700
-28% -$385K ﹤0.01% 6711
2023
Q2 		$1.53M Buy
16,900
+14,500
+604% +$1.29M ﹤0.01% 5648
2023
Q1 		$198K Sell
2,400
-8,300
-78% -$657K ﹤0.01% 10200
2022
Q4 		$849K Sell
10,700
-2,700
-20% -$217K ﹤0.01% 7133
2022
Q3 		$1.02M Sell
13,400
-8,800
-40% -$706K ﹤0.01% 6938
2022
Q2 		$1.61M Sell
22,200
-7,600
-26% -$579K ﹤0.01% 5999
2022
Q1 		$2.61M Sell
29,800
-1,100
-4% -$87.6K ﹤0.01% 5489
2021
Q4 		$2.64M Buy
30,900
+22,800
+281% +$1.91M ﹤0.01% 5596
2021
Q3 		$615K Buy
8,100
+4,200
+108% +$296K ﹤0.01% 9373
2021
Q2 		$247K Sell
3,900
-13,500
-78% -$896K ﹤0.01% 11717
2021
Q1 		$1.11M Buy
+17,400
New +$1.05M ﹤0.01% 7860
2020
Q4 		– Sell
-6,700
Closed -$374K – 10985
2020
Q3 		$374K Sell
6,700
-3,500
-34% -$192K ﹤0.01% 7764
2020
Q2 		$532K Buy
10,200
+1,400
+16% +$66.8K ﹤0.01% 6957
2020
Q1 		$344K Buy
+8,800
New +$427K ﹤0.01% 7085
2019
Q4 		– Sell
-11,700
Closed -$502K – 9203
2019
Q3 		$502K Buy
11,700
+6,200
+113% +$268K ﹤0.01% 6742
2019
Q2 		$218K Buy
+5,500
New +$206K ﹤0.01% 8068

Other funds holding CWST

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
CCA
Conestoga Capital Advisors Wayne, Pennsylvania $4.6B AUM 16.08% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
WA
Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $427B AUM 29.17% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Citadel Advisors's CWST Position: Q1 2026 in Review

Citadel Advisors reduced its Casella Waste Systems (CWST) stake by 93% in Q1 2026, selling an estimated $41.2M and leaving 34,749 shares worth $2.76M. The position accounts for ﹤0.01% of the portfolio, ranked #5435.

Citadel Advisors first reported a position in CWST in Q3 2013 and has held it in 31 quarters since. The position peaked at $45.5M in Q4 2025. 406 funds tracked by Wall St. Rank hold CWST as of Q1 2026.

  • Citadel Advisors held 34,749 shares of Casella Waste Systems worth $2.76M as of Q1 2026.
  • Citadel Advisors sold 430,023 Casella Waste Systems shares in Q1 2026, an estimated $41.2M.
  • Casella Waste Systems made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #5435 holding.
  • Citadel Advisors first reported a position in Casella Waste Systems in Q3 2013 and has held it in 31 quarters since.
  • Citadel Advisors's Casella Waste Systems position peaked at $45.5M in Q4 2025.
  • 406 funds tracked by Wall St. Rank held Casella Waste Systems as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.