WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Position in CECO — Ceco Environmental Corp
CIK 1644956
CHICAGO, IL
Position in CECO
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$12,160,974
-$30,109,465 QoQ
Shares Held
134,020
-81.0% QoQ
Ownership
0.229%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#67
of 341 holders
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 62%
Shared 0%
None 38%
Common Shares in CECO Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC holds $12,160,974 across 1 Pollution & Treatment Controls name. CECO ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CECO |
Ceco Environmental Corp
This page
|
134,020 | $12,160,974 |
All Filings in CECO
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $12,160,974 | 134,020 | Shares | Sole | 2026-08-12 | |
| 2025-12-31 | $42,270,439 | 706,273 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $35,109,990 | 685,742 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $26,778,344 | 945,897 | Shares | Sole | 2025-07-29 | |
| 2025-03-31 | $20,556,183 | 901,587 | Shares | Sole | 2025-05-09 | |
| No filing history on record for this holder in this stock. | ||||||