Zimmer Partners’s Casella Waste Systems CWST Stock Holding History

Zimmer Partners’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	–	Sell	-257,694	Closed	-$20.4M	–	129
2026 Q1	$20.4M	Buy	257,694 +242,500	+1,596%	+$23.2M	0.49%	48
2025 Q4	$1.49M	Sell	15,194 -354,806	-96%	-$32.9M	0.04%	104
2025 Q3	$35.1M	Buy	370,000 +221,500	+149%	+$22.3M	0.76%	34
2025 Q2	$17.1M	Buy	148,500 +41,000	+38%	+$4.74M	0.37%	60
2025 Q1	$12M	Sell	107,500 -385,730	-78%	-$42.2M	0.23%	76
2024 Q4	$52.2M	Sell	493,230 -17,920	-4%	-$1.89M	0.9%	29
2024 Q3	$50.9M	Buy	+511,150	New	+$52.9M	0.93%	28
2023 Q3	–	Sell	-150,000	Closed	-$13.6M	–	130
2023 Q2	$13.6M	Buy	+150,000	New	+$13.4M	0.32%	56

Other funds holding CWST

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Wasatch Advisors Salt Lake City, Utah $15.3B AUM 25.06% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

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 Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Zimmer Partners's CWST Position: Q2 2026 in Review

Zimmer Partners sold out of Casella Waste Systems (CWST) in Q2 2026, closing a stake of 257,694 shares — an estimated $20.4M sold.

Zimmer Partners first reported a position in CWST in Q2 2023 and held it in 8 quarters. The position peaked at $52.2M in Q4 2024. 417 funds tracked by Wall St. Rank hold CWST as of Q2 2026.

Zimmer Partners reported no remaining Casella Waste Systems position as of Q2 2026 after selling out during the quarter.
Zimmer Partners sold 257,694 Casella Waste Systems shares in Q2 2026, an estimated $20.4M.
Zimmer Partners first reported a position in Casella Waste Systems in Q2 2023 and held it in 8 quarters.
Zimmer Partners's Casella Waste Systems position peaked at $52.2M in Q4 2024.
417 funds tracked by Wall St. Rank held Casella Waste Systems as of Q2 2026.

Based on Zimmer Partners's 13F filing for Q2 2026, filed 14 Aug 2026.