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Who owns Ceco Environmental (CECO) stock

323 funds reported Ceco Environmental (CECO) shares in their latest 13F filings, worth $4.7B in all. The largest holder is FMR LLC ($411M). Last quarter 219 funds added to their stakes and 84 cut them. Members of Congress and other officials disclosed 2 trades (2 buys, 0 sales).

Largest holders of CECO (13F)Largest holders of CECO (13F)FMR LLC$411MBlackRock$392MVanguard Capital Management LLC$212MDimensional Fund Advisors LP$198MT. Rowe Price Investment Manageme…$195MAmerican Century Companies$190MDriehaus Capital Management LLC$142MGeode Capital Management, LLC$133MDivisadero Street Capital Managem…$121MState Street$115M

Largest holders (13F)

FundSharesValueChangeQuarter
FMR LLC4,524,438$411Mincrease2026-06-30
BlackRock4,323,986$392Mincrease2026-06-30
Vanguard Capital Management LLC2,339,252$212Mincrease2026-06-30
Dimensional Fund Advisors LP2,185,315$198Mincrease2026-06-30
T. Rowe Price Investment Management2,153,953$195Mincrease2026-06-30
American Century Companies2,088,421$190Mincrease2026-06-30
Driehaus Capital Management LLC1,560,486$142Mincrease2026-06-30
Geode Capital Management, LLC1,460,389$133Mincrease2026-06-30
Divisadero Street Capital Management, LP1,329,817$121Mincrease2026-06-30
State Street1,264,690$115Mincrease2026-06-30
Vanguard Group1,780,596$107Mincrease2025-12-31
Capital World Investors1,157,200$105Mincrease2026-06-30
Two Sigma Investments, LP1,013,412$92.0Mincrease2026-06-30
Needham Investment Management LLC957,500$86.9Mincrease2026-06-30
Jupiter Topco LLC949,904$86.2Mbase2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2026-08-20Gilbert Cisnerospurchase$1K–$15K
2026-06-30Gilbert Cisnerospurchase$1K–$15K

Ceco Environmental's latest quarter

Ceco Environmental, Q2 2026: revenue $285M (+54% year over year), operating margin -11.6%, net loss $34.5M, operating cash flow −$19.3M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CECO stock?

By the latest 13F filings: FMR LLC ($411M); BlackRock ($392M); Vanguard Capital Management LLC ($212M); Dimensional Fund Advisors LP ($198M); T. Rowe Price Investment Management ($195M).

Has Congress traded CECO stock?

Officials disclosed 2 trades on file: 2 buys and 0 sales. The latest: Gilbert Cisneros, purchase on 2026-08-20.

What is the short interest in CECO?

1,749,975 shares were sold short at the 2026-10-15 settlement, -8.37% 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.