CWSTCasella Waste Systems, Inc.

$83.76-3.4% 1Y

Who owns CWST

414 institutions reported holding CWST for 2026Q2, together 122% of the company, more than the 402 a quarter earlier.

414

Institutions reporting a position · as of 2026Q2 · up from 402 the quarter before

Shares held by institutions
77.3M

Shares held by institutions · 122% of the company · long US equity positions only, as reported on Form 13F

Reported value
$7.49B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
67 / 54

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
67
Positions exited
54
Added to
157
Reduced
118
Shares sold shortsettled Sep 15, 2026
5.1M
Short interestof shares outstanding
8.0%
Days to coverat the average daily volume
11.4
Change in the short positionsince the Aug 31, 2026 count
+4.8%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q241477.3M$7.49B
2026Q140274.5M$5.92B
2025Q438677.5M$7.59B
2025Q338666.3M$6.29B
2025Q238265.1M$7.53B
2025Q136565.7M$7.63B
2024Q434165.1M$6.89B
2024Q334164.0M$6.37B
2024Q231259.4M$5.90B
2024Q130858.3M$5.77B
2023Q430857.6M$4.92B
2023Q329757.4M$4.38B
2023Q231655.8M$5.04B
2023Q126350.7M$4.19B
2022Q427050.1M$3.98B
2022Q327750.5M$3.86B
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.9.4Mn/a$911M
VANGUARD GROUP INC6.8Mn/a$662M
WASATCH ADVISORS LP3.5Mn/a$342M
STATE STREET CORP2.5Mn/a$244M
Conestoga Capital Advisors, LLC2.3Mn/a$227M
T. Rowe Price Investment Management, Inc.2.1Mn/a$202M
Capital International Investors2.1Mn/a$199M
Capital Research Global Investors2.0Mn/a$197M
GEODE CAPITAL MANAGEMENT LLC1.6Mn/a$160M
JPMORGAN CHASE & CO1.5Mn/a$146M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20265.1M8.0%11.4
Aug 31, 20264.8M7.6%12.2
Aug 14, 20264.8M7.6%9.1
Jul 31, 20264.7M7.4%6.4
Jul 15, 20264.9M7.7%8.0
Jun 30, 20264.6M7.2%4.9
Jun 15, 20264.4M7.0%7.5
May 29, 20264.6M7.2%7.5
May 15, 20264.0M6.4%5.1
Apr 30, 20264.0M6.3%4.7
Apr 15, 20264.2M6.6%4.8
Mar 31, 20264.1M6.5%5.2

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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