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Who owns Casella Waste Systems (CWST) stock

391 funds reported Casella Waste Systems (CWST) shares in their latest 13F filings, worth $7.6B in all. The largest holder is BlackRock ($911M). Last quarter 209 funds added to their stakes and 155 cut them.

Largest holders of CWST (13F)Largest holders of CWST (13F)BlackRock$911MVanguard Group$644MVanguard Portfolio Management LLC$334MVanguard Capital Management LLC$274MWasatch Advisors LP$246MState Street$244MT. Rowe Price Investment Manageme…$202MCapital International Investors$199MCapital Research Global Investors$197MGeode Capital Management, LLC$160M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock9,390,112$911Mincrease2026-06-30
Vanguard Group6,574,893$644Mincrease2025-12-31
Vanguard Portfolio Management LLC3,448,748$334Mincrease2026-06-30
Vanguard Capital Management LLC2,823,033$274Mincrease2026-06-30
Wasatch Advisors LP3,056,089$246Mdecrease2026-09-30
State Street2,520,170$244Mincrease2026-06-30
T. Rowe Price Investment Management2,078,022$202Mincrease2026-06-30
Capital International Investors2,054,399$199Mincrease2026-06-30
Capital Research Global Investors2,028,646$197Mdecrease2026-06-30
Geode Capital Management, LLC1,647,147$160Mincrease2026-06-30
Invesco1,459,009$141Mdecrease2026-06-30
Neuberger Berman Group LLC1,434,463$139Mincrease2026-06-30
Conestoga Capital Advisors, LLC1,720,853$138Mdecrease2026-09-30
Earnest Partners LLC1,399,698$136Mincrease2026-06-30
Wellington Management Group LLP1,292,101$125Mincrease2026-06-30

Casella Waste Systems' latest quarter

Casella Waste Systems, Q2 2026: revenue $544M (+17% year over year), operating margin 3.7%, net earnings $3.8M, operating cash flow $98.8M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CWST stock?

By the latest 13F filings: BlackRock ($911M); Vanguard Group ($644M); Vanguard Portfolio Management LLC ($334M); Vanguard Capital Management LLC ($274M); Wasatch Advisors LP ($246M).

What is the short interest in CWST?

5,109,721 shares were sold short at the 2026-10-15 settlement, 0.9% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.