Simplex Trading, LLC
- SEC CIK
- 0001488542
- Latest filing
- Aug 12, 2026
CECO holding history
Ceco Environmental Corp in every 13F filed by Simplex Trading, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CECO overviewAll 13F holders of CECOFull Q2 2026 holdings
- Shares (Q2 2026)
- 5,730
- Value
- $519.9K
- % of portfolio
- <0.1%
- Quarters held
- 14
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 5,730 | $519.9K | <0.1% | +5,730 | New | Holders |
| Q1 2026 | 0 | $0 | 0.0% | −657−100.0% | Sold out | Holders |
| Q4 2025 | 657 | $39.3K | <0.1% | +657 | New | Holders |
| Q4 2024 | 0 | $0 | 0.0% | −10,142−100.0% | Sold out | Holders |
| Q3 2024 | 10,142 | $286.0K | <0.1% | +1,017+11.1% | Added | Holders |
| Q2 2024 | 9,125 | $263.0K | <0.1% | +7,372+420.5% | Added | Holders |
| Q1 2024 | 1,753 | $40.0K | <0.1% | +1,753 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −100−100.0% | Sold out | Holders |
| Q3 2023 | 100 | $1.00K | <0.1% | −896−90.0% | Reduced | Holders |
| Q2 2023 | 996 | $13.0K | <0.1% | +996 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −2,850−100.0% | Sold out | Holders |
| Q4 2022 | 2,850 | $33.0K | <0.1% | −2,215−43.7% | Reduced | Holders |
| Q3 2022 | 5,065 | $44.0K | <0.1% | +4,873+2,538.0% | Added | Holders |
| Q2 2022 | 192 | $1.00K | <0.1% | −1,299−87.1% | Reduced | Holders |
| Q1 2022 | 1,491 | $8.00K | <0.1% | −116−7.2% | Reduced | Holders |
| Q4 2021 | 1,607 | $10.0K | <0.1% | −1,331−45.3% | Reduced | Holders |
| Q3 2021 | 2,938 | $21.0K | <0.1% | 00.0% | Unchanged | Holders |
| Q2 2021 | 2,938 | $21.0K | <0.1% | +2,938 | New | Holders |