WAYNE, PA
ECOVYST INC.ECVT— Latest position per institution from SEC 13F filings
15
Institutional holders
112.75M
Total shares held
1.26B
Estimated value
5.64M
Avg. position size
CCMP CAPITAL GP, LLC
CIK 1674350
Shares
11.49M
Value
101.81M
Filed
Dec 31, 2022
VANGUARD GROUP INC
CIK 102909
Shares
11.11M
Value
108.13M
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
10.67M
Value
132.79M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
9.64M
Value
86.48M
Filed
Jun 30, 2024
RUBRIC CAPITAL MANAGEMENT LP
CIK 1687509
Shares
8.21M
Value
102.24M
Filed
Jun 30, 2026
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
6.59M
Value
81.98M
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
6.09M
Value
75.83M
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
5.33M
Value
66.40M
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
5.13M
Value
63.91M
Filed
Jun 30, 2026
WESTWOOD HOLDINGS GROUP INC
CIK 1165002
Shares
4.99M
Value
44.74M
Filed
Jun 30, 2024
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
4.84M
Value
60.31M
Filed
Jun 30, 2026
BROWN ADVISORY INC
CIK 1345929
Shares
4.53M
Value
56.44M
Filed
Jun 30, 2026
WESTERN STANDARD LLC
CIK 1517666
Shares
3.57M
Value
29.36M
Filed
Jun 30, 2025
AMERICAN CENTURY COMPANIES INC
CIK 748054
Shares
3.47M
Value
43.26M
Filed
Jun 30, 2026
BOSTON PARTNERS
CIK 1386060
Shares
3.23M
Value
28.10M
Filed
Sep 30, 2025
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
3.15M
Value
39.22M
Filed
Jun 30, 2026
BRIGHTLINE CAPITAL MANAGEMENT, LLC
CIK 1432450
Shares
3.01M
Value
37.50M
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
2.68M
Value
33.30M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
2.62M
Value
32.63M
Filed
Jun 30, 2026
OAKTREE CAPITAL MANAGEMENT LP
CIK 949509
Shares
2.39M
Value
30.78M
Filed
Mar 31, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CCMP CAPITAL GP, LLC | 1674350 | 11.49M | 101.81M | Dec 31, 2022 |
| 2 | VANGUARD GROUP INC | 102909 | 11.11M | 108.13M | Dec 31, 2025 |
| 3 | BLACKROCK, INC. | 2012383 | 10.67M | 132.79M | Jun 30, 2026 |
| 4 | BLACKROCK FINANCE, INC. | 1364742 | 9.64M | 86.48M | Jun 30, 2024 |
| 5 | RUBRIC CAPITAL MANAGEMENT LP | 1687509 | 8.21M | 102.24M | Jun 30, 2026 |
| 6 | DIMENSIONAL FUND ADVISORS LP | 354204 | 6.59M | 81.98M | Jun 30, 2026 |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 6.09M | 75.83M | Jun 30, 2026 |
| 8 | FMR LLC | 315066 | 5.33M | 66.40M | Jun 30, 2026 |
| 9 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 5.13M | 63.91M | Jun 30, 2026 |
| 10 | WESTWOOD HOLDINGS GROUP INC | 1165002 | 4.99M | 44.74M | Jun 30, 2024 |
| 11 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 4.84M | 60.31M | Jun 30, 2026 |
| 12 | BROWN ADVISORY INC | 1345929 | 4.53M | 56.44M | Jun 30, 2026 |
| 13 | WESTERN STANDARD LLC | 1517666 | 3.57M | 29.36M | Jun 30, 2025 |
| 14 | AMERICAN CENTURY COMPANIES INC | 748054 | 3.47M | 43.26M | Jun 30, 2026 |
| 15 | BOSTON PARTNERS | 1386060 | 3.23M | 28.10M | Sep 30, 2025 |
| 16 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 3.15M | 39.22M | Jun 30, 2026 |
| 17 | BRIGHTLINE CAPITAL MANAGEMENT, LLC | 1432450 | 3.01M | 37.50M | Jun 30, 2026 |
| 18 | STATE STREET CORP | 93751 | 2.68M | 33.30M | Jun 30, 2026 |
| 19 | GOLDMAN SACHS GROUP INC | 886982 | 2.62M | 32.63M | Jun 30, 2026 |
| 20 | OAKTREE CAPITAL MANAGEMENT LP | 949509 | 2.39M | 30.78M | Mar 31, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.