Granahan Investment Management, LLC
Position in CECO — Ceco Environmental Corp
CIK 1026710
WALTHAM, MA
Position in CECO
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$5,524,734
-$992,272 QoQ
Shares Held
92,728
-14.8% QoQ
Ownership
0.258%
of shares outstanding
% of Portfolio
0.27%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 89.27077042533.ToString("F0")%
Shared 0.ToString("F0")%
None 10.729229574670002.ToString("F0")%
Common Shares in CECO Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026Granahan Investment Management, LLC holds $5,524,734 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
|
92,728 | $5,524,734 |
All Filings in CECO
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $5,524,734 | 92,728 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $6,517,006 | 108,889 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $12,016,588 | 234,699 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $9,967,696 | 352,091 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $7,237,084 | 317,416 | Shares | Sole | 2025-05-15 | |
| No filing history on record for this holder in this stock. | ||||||