Position in CECO
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$3,378,603
-$480,704 QoQ
Shares Held
56,707
-12.1% QoQ
Ownership
0.158%
of shares outstanding
% of Portfolio
1.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 0.ToString("F0")%
None 100.ToString("F0")%
Common Shares in CECO Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Mar 31, 2026WHITE PINE CAPITAL LLC holds $3,928,031 across 2 Pollution & Treatment Controls names. CECO ranks #1 (86.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CECO |
Ceco Environmental Corp
This page
|
56,707 | $3,378,603 | |
| 2 | BCHT |
Birchtech Corp.
|
289,173 | $549,428 |
All Filings in CECO
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,378,603 | 56,707 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $3,859,307 | 64,483 | Shares | Sole | 2026-02-09 | |
| 2025-09-30 | $3,352,012 | 65,469 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $1,853,087 | 65,457 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,354,548 | 59,410 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $1,830,063 | 60,538 | Shares | Sole | 2025-01-30 | |
| 2024-09-30 | $1,712,163 | 60,715 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,083,575 | 72,221 | Shares | Sole | 2024-08-13 | |
| 2024-03-31 | $2,864,056 | 124,416 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $2,479,757 | 122,276 | Shares | Sole | 2024-02-05 | |
| 2023-09-30 | $2,301,899 | 144,139 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,339,028 | 175,077 | Shares | Sole | 2023-08-08 | |
| 2023-03-31 | $2,520,228 | 180,145 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $3,025,715 | 259,051 | Shares | Sole | 2023-02-16 | |
| 2022-09-30 | $2,265,874 | 256,031 | Shares | Sole | 2022-11-08 | |
| 2022-06-30 | $1,796,966 | 300,496 | Shares | Sole | 2022-08-16 | |
| 2022-03-31 | $1,676,689 | 305,408 | Shares | Sole | 2022-05-12 | |
| 2021-12-31 | $1,561,412 | 250,628 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $1,636,088 | 232,399 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $1,653,960 | 231,000 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,435,441 | 181,014 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $1,016,821 | 146,095 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $1,230,464 | 168,788 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,093,893 | 165,993 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $553,955 | 118,620 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||