Ecovyst INC Schedule 13G passive stakes

Vanguard Portfolio Management has reported a beneficial ownership of 5.65% in Ecovyst Inc., holding over 6.19 million shares.

Dimensional Fund Advisors LP has increased its beneficial ownership of Ecovyst Inc. common stock to 6.0%, holding 6,585,047 shares.

Hotchkis and Wiley Capital Management, LLC has filed an amendment indicating its beneficial ownership of Ecovyst Inc. common stock has fallen below the 5% threshold.

Vanguard Capital Management has filed a Schedule 13G reporting a 5.25% beneficial ownership stake in Ecovyst Inc.

The Vanguard Group reports zero beneficial ownership in Ecovyst Inc. following an internal organizational realignment.

Rubric Capital Management LP and David Rosen have reported a beneficial ownership of 9.09% of Ecovyst Inc.'s common stock, totaling 10,400,000 shares.

Hotchkis and Wiley Capital Management, LLC has disclosed a 7.74% beneficial ownership stake in Ecovyst Inc., holding 8,852,152 common shares.

Hotchkis and Wiley Capital Management, LLC has increased its beneficial ownership in Ecovyst Inc. to 9.56% of common stock, holding over 11.2 million shares.