Millennium Management LLC
- SEC CIK
- 0001273087
- Latest filing
- Aug 14, 2026
ECVT holding history
Ecovyst Inc. in every 13F filed by Millennium Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
ECVT overviewAll 13F holders of ECVTFull Q2 2026 holdings
- Shares (Q2 2026)
- 59,276
- Value
- $738.0K
- % of portfolio
- <0.1%
- Quarters held
- 17
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 59,276 | $738.0K | <0.1% | −69,945−54.1% | Reduced | Holders |
| Q1 2026 | 129,221 | $1.66M | <0.1% | +129,221 | New | Holders |
| Q3 2025 | 0 | $0 | 0.0% | −1,417,306−100.0% | Sold out | Holders |
| Q2 2025 | 1,417,306 | $11.7M | <0.1% | +891,293+169.4% | Added | Holders |
| Q1 2025 | 526,013 | $3.26M | <0.1% | +242,807+85.7% | Added | Holders |
| Q4 2024 | 283,206 | $2.16M | <0.1% | +283,206 | New | Holders |
| Q3 2024 | 0 | $0 | 0.0% | −55,286−100.0% | Sold out | Holders |
| Q2 2024 | 55,286 | $495.9K | <0.1% | −442,576−88.9% | Reduced | Holders |
| Q1 2024 | 497,862 | $5.55M | <0.1% | −14,737−2.9% | Reduced | Holders |
| Q4 2023 | 512,599 | $5.01M | <0.1% | +456,444+812.8% | Added | Holders |
| Q3 2023 | 56,155 | $552.6K | <0.1% | −558,553−90.9% | Reduced | Holders |
| Q2 2023 | 614,708 | $7.04M | <0.1% | −215,663−26.0% | Reduced | Holders |
| Q1 2023 | 830,371 | $9.18M | <0.1% | −875,101−51.3% | Reduced | Holders |
| Q4 2022 | 1,705,472 | $15.1M | <0.1% | +245,466+16.8% | Added | Holders |
| Q3 2022 | 1,460,006 | $12.3M | <0.1% | +503,385+52.6% | Added | Holders |
| Q2 2022 | 956,621 | $9.42M | <0.1% | −596,910−38.4% | Reduced | Holders |
| Q1 2022 | 1,553,531 | $18.0M | <0.1% | +274,397+21.5% | Added | Holders |
| Q4 2021 | 1,279,134 | $13.1M | <0.1% | +1,052,756+465.0% | Added | Holders |
| Q3 2021 | 226,378 | $2.64M | <0.1% | +226,378 | New | Holders |