ECOVYST INC.

PublicCIK: 1708035
ECVTNYSE
Location

WAYNE, PA

13F Filings

Institutional Holders

ECOVYST INC.ECVT— Latest position per institution from SEC 13F filings

15

Institutional holders

115.55M

Total shares held

1.30B

Estimated value

5.78M

Avg. position size

1

CCMP CAPITAL GP, LLC

CIK 1674350

Shares

11.49M

Value

101.81M

Filed

Dec 31, 2022

2

VANGUARD GROUP INC

CIK 102909

Shares

11.11M

Value

108.13M

Filed

Dec 31, 2025

3

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

9.64M

Value

86.48M

Filed

Jun 30, 2024

4

RUBRIC CAPITAL MANAGEMENT LP

CIK 1687509

Shares

9.14M

Value

117.49M

Filed

Mar 31, 2026

5

BLACKROCK, INC.

CIK 2012383

Shares

8.73M

Value

112.32M

Filed

Mar 31, 2026

6

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

6.50M

Value

83.57M

Filed

Mar 31, 2026

7

MANGROVE PARTNERS IM, LLC

CIK 1535392

Shares

5.45M

Value

53.01M

Filed

Dec 31, 2025

8

HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC

CIK 1164833

Shares

5.41M

Value

69.62M

Filed

Mar 31, 2026

9

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

5.24M

Value

67.44M

Filed

Mar 31, 2026

10

WESTWOOD HOLDINGS GROUP INC

CIK 1165002

Shares

4.99M

Value

44.74M

Filed

Jun 30, 2024

11

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

4.98M

Value

64.01M

Filed

Mar 31, 2026

12

BROWN ADVISORY INC

CIK 1345929

Shares

4.84M

Value

62.27M

Filed

Mar 31, 2026

13

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

CIK 1164508

Shares

4.83M

Value

62.10M

Filed

Mar 31, 2026

14

FMR LLC

CIK 315066

Shares

4.47M

Value

57.45M

Filed

Mar 31, 2026

15

ALLSPRING GLOBAL INVESTMENTS HOLDINGS, LLC

CIK 1890906

Shares

3.80M

Value

49.83M

Filed

Mar 31, 2026

16

WESTERN STANDARD LLC

CIK 1517666

Shares

3.57M

Value

29.36M

Filed

Jun 30, 2025

17

BOSTON PARTNERS

CIK 1386060

Shares

3.23M

Value

28.10M

Filed

Sep 30, 2025

18

BRIGHTLINE CAPITAL MANAGEMENT, LLC

CIK 1432450

Shares

2.80M

Value

36.01M

Filed

Mar 31, 2026

19

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

2.76M

Value

35.54M

Filed

Mar 31, 2026

20

STATE STREET CORP

CIK 93751

Shares

2.58M

Value

33.15M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.