Casella Waste Systems, Inc. (CWST) Institutional Ownership & Insider Trading

416 institutions reported holding Casella Waste Systems, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 28 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

CWSTCasella Waste Systems, Inc.Follow CWST — free

Waste Management · Industrials

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Market cap: 6.2B
P/E TTM: —
Dividend yield: —
52-week: —
Next earnings: 9 Nov, in 16 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

416 institutions held —% of the shares. Across filers that reported both quarters, shares held changed +3.0%.

Largest moves, shares (millions)

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters

Quarter	Holders	Shares held, M	Change	Increased	New	Decreased	Closed
Jun 26	416	77	+3.0%	157	48	120	45
Mar 26	401	75	-3.7%	119	50	139	44
Dec 25	389	78	+12.2%	147	56	89	60
Sep 25	381	68	+4.0%	137	39	113	43
Jun 25	383	65	-1.1%	114	40	124	19
Mar 25	364	65	+0.7%	111	46	105	21
Dec 24	338	65	-0.9%	115	26	90	30
Sep 24	338	64	+5.8%	111	46	95	16

Casella Waste Systems, Inc. — questions

Who owns Casella Waste Systems, Inc. stock?: 416 institutions reported Casella Waste Systems, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (14.8%), WASATCH ADVISORS LP (5.5%), VANGUARD PORTFOLIO MANAGEMENT LLC (5.4%).
Are Casella Waste Systems, Inc. insiders buying or selling?: 28 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Casella Waste Systems, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.

Important information. Figures on this page are taken from filings submitted to the U.S. Securities and Exchange Commission (SEC) and processed automatically by EquiReason. They may contain errors, omissions or delays, and EquiReason makes no representation or warranty as to their accuracy, completeness or timeliness. Always verify figures against the original filing on SEC EDGAR before relying on them.

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