CECO Environmental Corp.
DE ˙ DB ˙ US1251411013
70,04 € ↑1,26 (1,83%)
2026-06-04
AKTIENPREIS
SecurityDE:WCE / CECO Environmental Corp.
InstitutionMillennium Management Llc
ManagerIsrael Englander
Latest Disclosed Ownership11,768 shares
Latest Disclosed Value $ 701,137
Millennium Management Llc reports 69.49% decrease in ownership of WCE / CECO Environmental Corp.

On May 15, 2026 - Millennium Management Llc filed a 13F-HR form disclosing ownership of 11,768 shares of CECO Environmental Corp. (DE:WCE) valued at $600,168 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 38,577 shares of CECO Environmental Corp.. This represents a change in shares of -69.49% during the quarter. The current value of the position is $824,231 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F CECO ENVIRONMENTAL COM 125141101 11,768 -26,809 -69.49 701 -69.63 0.0003
2026-02-17 2025-12-31 13F CECO ENVIRONMENTAL COM 125141101 38,577 -71,253 -64.88 2,309 -58.95 0.0010
2025-11-14 2025-09-30 13F CECO ENVIRONMENTAL COM 125141101 109,830 4,990 4.76 5,623 89.45 0.0024
2025-08-14 2025-06-30 13F CECO ENVIRONMENTAL COM 125141101 104,840 49,588 89.75 2,968 135.74 0.0014
2025-05-15 2025-03-31 13F CECO ENVIRONMENTAL COM 125141101 55,252 55,252 1,260 0.0007
2024-11-14 2024-09-30 13F CECO ENVIRONMENTAL COM 125141101 0 -59,247 -100.00 0 -100.00
2024-08-14 2024-06-30 13F CECO ENVIRONMENTAL COM 125141101 59,247 -231,518 -79.62 1,709 -74.47 0.0008
2024-05-15 2024-03-31 13F CECO ENVIRONMENTAL COM 125141101 290,765 141,372 94.63 6,693 120.96 0.0029
2024-02-14 2023-12-31 13F CECO ENVIRONMENTAL COM 125141101 149,393 -124,085 -45.37 3,030 -30.64 0.0013
2023-11-14 2023-09-30 13F CECO ENVIRONMENTAL COM 125141101 273,478 -139,101 -33.71 4,367 -20.77 0.0022
2023-08-14 2023-06-30 13F CECO ENVIRONMENTAL COM 125141101 412,579 -508,646 -55.21 5,512 -57.23 0.0027
2023-05-15 2023-03-31 13F CECO ENVIRONMENTAL COM 125141101 921,225 200,719 27.86 12,888 53.14 0.0074
2023-02-14 2022-12-31 13F CECO ENVIRONMENTAL COM 125141101 720,506 331,090 85.02 8,416 144.23 0.0047
2022-11-14 2022-09-30 13F CECO ENVIRONMENTAL COM 125141101 389,416 -227,830 -36.91 3,446 -6.64 0.0020
2022-08-15 2022-06-30 13F CECO ENVIRONMENTAL COM 125141101 617,246 575,172 1,367.05 3,691 1,497.84 0.0023
2022-05-16 2022-03-31 13F CECO ENVIRONMENTAL COM 125141101 42,074 -28,073 -40.02 231 -53.98 0.0001
2021-08-16 2021-06-30 13F CECO ENVIRONMENTAL COM 125141101 70,147 -53,146 -43.11 502 -48.67 0.0003
2021-05-17 2021-03-31 13F CECO ENVIRONMENTAL COM 125141101 123,293 94,514 328.41 978 389.00 0.0007
2021-02-16 2020-12-31 13F CECO ENVIRONMENTAL COM 125141101 28,779 -50,300 -63.61 200 -65.28 0.0001
2020-11-16 2020-09-30 13F CECO ENVIRONMENTAL COM 125141101 79,079 9,056 12.93 576 24.95 0.0007
2020-08-14 2020-06-30 13F CECO ENVIRONMENTAL COM 125141101 70,023 70,023 165.28 461 61.75 0.0006
2019-08-15 2019-06-30 13F/A-1 CECO ENVIRONMENTAL COM 125141101 0 -51,385 -100.00 0 -100.00
2019-05-14 2019-03-31 13F CECO ENVIRONMENTAL COM 125141101 51,385 29,827 138.36 370 153.42 0.0006
2019-02-15 2018-12-31 13F/A-1 CECO ENVIRONMENTAL COM 125141101 21,558 -423 -1.92 146 -15.61 0.0002
2019-02-14 2018-12-31 13F CECO ENVIRONMENTAL COM 125141101 21,558 146
2018-11-14 2018-09-30 13F CECO ENVIRONMENTAL COM 125141101 21,981 21,981 173 0.0002
2018-05-15 2018-03-31 13F CECO ENVIRONMENTAL COM 125141101 0 -41,320 -100.00 0 -100.00
2018-02-14 2017-12-31 13F CECO ENVIRONMENTAL COM 125141101 41,320 -26,107 -38.72 212 -62.81 0.0003
2017-11-14 2017-09-30 13F CECO ENVIRONMENTAL COM 125141101 67,427 -29,237 -30.25 570 -35.74 0.0009
2017-08-14 2017-06-30 13F CECO ENVIRONMENTAL COM 125141101 96,664 -118,488 -55.07 887 -60.77 0.0016
2017-05-15 2017-03-31 13F CECO ENVIRONMENTAL COM 125141101 215,152 59,093 37.87 2,261 3.86 0.0041
2017-02-14 2016-12-31 13F CECO ENVIRONMENTAL COM 125141101 156,059 -155,096 -49.85 2,177 -37.98 0.0046
2016-11-14 2016-09-30 13F CECO ENVIRONMENTAL COM 125141101 311,155 168,327 117.85 3,510 181.25 0.0059
2016-08-15 2016-06-30 13F CECO ENVIRONMENTAL COM 125141101 142,828 22,077 18.28 1,248 66.40 0.0029
2016-05-16 2016-03-31 13F CECO ENVIRONMENTAL COM 125141101 120,751 93,678 346.02 750 260.58 0.0019
2016-02-16 2015-12-31 13F CECO ENVIRONMENTAL COM 125141101 27,073 -60,777 -69.18 208 -71.07 0.0004
2015-11-16 2015-09-30 13F CECO ENVIRONMENTAL COM 125141101 87,850 61,924 238.85 719 144.56 0.0014
2015-08-14 2015-06-30 13F CECO ENVIRONMENTAL COM 125141101 25,926 25,926 294 0.0006
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.