Marshall Wace’s Casella Waste Systems CWST Stock Holding History

Marshall Wace’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	$471K	Sell	4,858 -9,681	-67%	-$827K	﹤0.01%	2550
2026 Q1	$1.15M	Buy	+14,539	New	+$1.39M	﹤0.01%	2067
2025 Q2	–	Sell	-2,484	Closed	-$277K	–	2792
2025 Q1	$277K	Buy	+2,484	New	+$272K	﹤0.01%	2299
2024 Q4	–	Sell	-109,331	Closed	-$10.9M	–	2652
2024 Q3	$10.9M	Buy	+109,331	New	+$11.3M	0.01%	734
2023 Q4	–	Sell	-31,483	Closed	-$2.4M	–	2242
2023 Q3	$2.4M	Sell	31,483 -28,477	-47%	-$2.33M	﹤0.01%	1145
2023 Q2	$5.42M	Buy	+59,960	New	+$5.35M	0.01%	984
2022 Q1	–	Sell	-300	Closed	-$26K	–	3462
2021 Q4	$26K	Buy	+300	New	+$25.1K	﹤0.01%	3677
2019 Q4	–	Sell	-4,910	Closed	-$211K	–	1763
2019 Q3	$211K	Buy	+4,910	New	+$213K	﹤0.01%	1279
2019 Q1	–	Sell	-68,884	Closed	-$1.96M	–	1778
2018 Q4	$1.96M	Buy	68,884 +50,805	+281%	+$1.54M	0.02%	724
2018 Q3	$562K	Buy	+18,079	New	+$514K	﹤0.01%	905

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

Marshall Wace's CWST Position: Q2 2026 in Review

Marshall Wace reduced its Casella Waste Systems (CWST) stake by 67% in Q2 2026, selling an estimated $827K and leaving 4,858 shares worth $471K. The position accounts for ﹤0.01% of the portfolio, ranked #2550.

Marshall Wace first reported a position in CWST in Q3 2018 and has held it in 10 quarters since. The position peaked at $10.9M in Q3 2024. 418 funds tracked by Wall St. Rank hold CWST as of Q2 2026.

Marshall Wace held 4,858 shares of Casella Waste Systems worth $471K as of Q2 2026.
Marshall Wace sold 9,681 Casella Waste Systems shares in Q2 2026, an estimated $827K.
Casella Waste Systems made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2550 holding.
Marshall Wace first reported a position in Casella Waste Systems in Q3 2018 and has held it in 10 quarters since.
Marshall Wace's Casella Waste Systems position peaked at $10.9M in Q3 2024.
418 funds tracked by Wall St. Rank held Casella Waste Systems as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.