The Tip Desk

CECO ENVIRONMENTAL CORP holding history

As of Nov. 6, 2026 (UTC)

← WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC portfolio · COM · CUSIP 125141101 · SH

Quarter-end history; absent and withheld figures are not zero
March 31, 2025901,587$20,556,1840.06%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 9, 2025
June 30, 2025945,897$26,778,3440.07%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewJuly 29, 2025
Sept. 30, 2025685,742$35,109,9900.09%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewNov. 12, 2025
Dec. 31, 2025706,273$42,270,4390.12%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewFeb. 9, 2026
March 31, 2026Absent this quarter——Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewMay 8, 2026
June 30, 2026134,020$12,160,9750.04%Withheld — Comparison unavailable: Comparable change withheld pending corporate-action reviewAug. 12, 2026

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Schedule 13G disclosures

No verified related disclosures are included in this freeze.

About reported holdings

13F reports quarter-end securities, excluding cash and shorts. Position changes do not establish trades, motives or returns; portfolio weights use disclosed 13F value.