AIM
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Aigen Investment Management’s Casella Waste Systems CWST Stock Holding History

Aigen Investment 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
2025
Q4 		– Sell
-4,682
Closed -$444K – 673
2025
Q3 		$444K Buy
+4,682
New +$471K 0.07% 424
2023
Q3 		– Sell
-4,967
Closed -$449K – 878
2023
Q2 		$449K Buy
+4,967
New +$443K 0.07% 380
2022
Q1 		– Sell
-4,601
Closed -$387K – 660
2021
Q4 		$387K Buy
+4,601
New +$386K 0.02% 709
2020
Q1 		– Sell
-5,346
Closed -$246K – 1319
2019
Q4 		$246K Buy
+5,346
New +$236K 0.04% 493

Other funds holding CWST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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 Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return
Capital International Investors
Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Aigen Investment Management's CWST Position: Q4 2025 in Review

Aigen Investment Management sold out of Casella Waste Systems (CWST) in Q4 2025, closing a stake of 4,682 shares — an estimated $444K sold.

Aigen Investment Management first reported a position in CWST in Q4 2019 and held it in 4 quarters. The position peaked at $449K in Q2 2023. 393 funds tracked by Wall St. Rank hold CWST as of Q4 2025.

  • Aigen Investment Management reported no remaining Casella Waste Systems position as of Q4 2025 after selling out during the quarter.
  • Aigen Investment Management sold 4,682 Casella Waste Systems shares in Q4 2025, an estimated $444K.
  • Aigen Investment Management first reported a position in Casella Waste Systems in Q4 2019 and held it in 4 quarters.
  • Aigen Investment Management's Casella Waste Systems position peaked at $449K in Q2 2023.
  • 393 funds tracked by Wall St. Rank held Casella Waste Systems as of Q4 2025.

Based on Aigen Investment Management's 13F filing for Q4 2025, filed 13 Feb 2026.