STATE OF WISCONSIN INVESTMENT BOARD

Position in CWST — Casella Waste Systems Inc

CIK 854157 MADISON, WI

Position in CWST

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$8,964,309

-$2,566,558 QoQ

Shares Held

112,986

-4.0% QoQ

Ownership

0.178%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Industrials · as of Mar 31, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $129,321,031 across 8 Waste Management names. CWST ranks #5 (6.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	WM	Waste Management Inc	218,888	$50,298,273
2	RSG	Republic Services, Inc.	115,823	$25,367,553
3	WCN	Waste Connections, Inc.	133,490	$21,684,115
4	CLH	Clean Harbors Inc	60,636	$17,386,160
5	CWST	Casella Waste Systems Inc This page	112,986	$8,964,309
6	GFL	GFL Environmental Inc.	133,946	$5,588,227
7	ABAT	AMERICAN BATTERY TECHNOLOGY Co	11,611	$32,394
8	NVRI	Enviri Corp	84,834	$0

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$8,964,309	112,986	-4.0%	Shares	Sole	2026-05-15
2025-12-31	$11,530,867	117,734	+2.7%	Shares	Sole	2026-02-17
2025-09-30	$10,876,948	114,639	+0.1%	Shares	Sole	2025-11-14
2025-06-30	$13,219,894	114,577	-2.2%	Shares	Sole	2025-08-14
2025-03-31	$13,063,508	117,151	+1.1%	Shares	Sole	2025-05-15
2024-12-31	$12,258,511	115,854	+5.5%	Shares	Sole	2025-02-14
2024-09-30	$10,922,211	109,782	0.0%	Shares	Sole	2024-11-14
2024-06-30	$10,892,570	109,782	-2.5%	Shares	Sole	2024-08-14
2024-03-31	$11,131,575	112,588	-10.9%	Shares	Sole	2024-05-14
2023-12-31	$10,803,084	126,411	+9.5%	Shares	Sole	2024-02-12
2023-09-30	$8,808,148	115,441	-4.8%	Shares	Sole	2023-11-14
2023-06-30	$10,972,489	121,310	-1.8%	Shares	Sole	2023-08-14
2023-03-31	$10,210,493	123,524	-11.1%	Shares	Sole	2023-05-15
2022-12-31	$11,025,596	139,019	-2.2%	Shares	Sole	2023-02-14
2022-09-30	$10,858,074	142,140	-2.2%	Shares	Sole	2022-11-14
2022-06-30	$10,560,622	145,303	-12.8%	Shares	Sole	2022-08-15
2022-03-31	$14,602,490	166,600	0.0%	Shares	Sole	2022-05-13
2021-12-31	$14,230,972	166,600	0.0%	Shares	Sole	2022-02-11
2021-09-30	$12,651,604	166,600	0.0%	Shares	Sole	2021-11-12
2021-06-30	$10,567,438	166,600	0.0%	Shares	Sole	2021-08-12
2021-03-31	$10,590,762	166,600	-3.0%	Shares	Sole	2021-05-17
2020-12-31	$10,643,010	171,800	+5.3%	Shares	Sole	2021-02-03
2020-09-30	$9,114,720	163,200	+3.8%	Shares	Sole	2020-11-16
2020-06-30	$8,198,476	157,300	0.0%	Shares	Sole	2020-08-12
2020-03-31	$6,144,138	157,300	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.