Position in CECO
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$13,648,747
+$4,280,031 QoQ
Shares Held
150,416
-4.3% QoQ
Ownership
0.257%
of shares outstanding
% of Portfolio
1.84%
of 13F equity value
Holder Rank
#65
of 341 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 53%
Shared 0%
None 47%
Common Shares in CECO Over Time
Shares Held
Position Value (USD)
Position in Pollution & Treatment Controls
Industrials · as of Jun 30, 2026ESSEX INVESTMENT MANAGEMENT CO LLC holds $14,449,162 across 3 Pollution & Treatment Controls names. CECO ranks #1 (94.5% of the industry book) .
All Filings in CECO
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26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $13,648,747 | 150,416 | Shares | Sole | 2026-08-06 | |
| 2026-03-31 | $9,368,716 | 157,246 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $9,244,251 | 154,457 | Shares | Sole | 2026-02-13 | |
| 2025-09-30 | $8,088,576 | 157,980 | Shares | Sole | 2025-11-06 | |
| 2025-06-30 | $4,324,154 | 152,743 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $3,507,688 | 153,846 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $4,687,040 | 155,046 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $5,877,613 | 208,426 | Shares | Sole | 2024-10-10 | |
| 2024-06-30 | $5,996,876 | 207,864 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $4,741,705 | 205,982 | Shares | Sole | 2024-05-03 | |
| 2023-12-31 | $4,113,493 | 202,835 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $3,491,584 | 218,634 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $2,960,068 | 221,562 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $2,733,967 | 195,423 | Shares | Sole | 2023-05-04 | |
| 2022-12-31 | $2,922,067 | 250,177 | Shares | Sole | 2023-02-03 | |
| 2022-09-30 | $2,229,686 | 251,942 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,466,158 | 245,177 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $941,875 | 171,562 | Shares | Sole | 2022-05-09 | |
| 2021-12-31 | $1,019,869 | 163,703 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $1,060,407 | 150,626 | Shares | Sole | 2021-11-09 | |
| 2021-06-30 | $1,085,592 | 151,619 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $1,304,857 | 164,547 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $1,265,905 | 181,883 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $1,577,468 | 216,388 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $1,380,282 | 209,451 | Shares | Sole | 2020-08-04 | |
| 2020-03-31 | $982,829 | 210,456 | Shares | Sole | 2020-05-04 | |
| No filing history on record for this holder in this stock. | ||||||