PQ Group Holdings Inc

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PQ Group Holdings Inc
TickerECVT
CIK #0001708035
CUSIP27923Q109
SectorLife Sciences - Chemicals & Allied Products
Address300 Lindenwood Drive, Malvern, PA 19355
Source [EDGAR]
CIK Filing 2011 - 2025
[0001708035] 10-K
[0001708035] 10-Q
[0001708035] 3
[0001708035] 4
[0001708035] 8-K
[0001708035] SC 13D
[0001708035] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Hotchkis & Wiley Capital Management LLC Ecovyst Inc [2024-02-13] 5.74
Dimensional Fund Advisors LP Ecovyst Inc [2024-02-09] 5.0
BlackRock Inc Ecovyst Inc [2024-01-26] 7.2
BlackRock Inc Ecovyst Inc [2023-02-13] 5.3
Vanguard Group Inc Ecovyst Inc [2023-02-09] 6.51
Ineos Ltd PQ Group Holdings Inc [2019-03-22] 24.25
Ineos Investments Partnership PQ Group Holdings Inc [2018-02-14] 24.3
CCMP Capital Investors III LP PQ Group Holdings Inc [2018-02-13] 21.7
Form 3/4/5 Filer 2011 - 2025
Ecovyst Inc.
Catalano Anna C
Bradley David A.
Vann George L. Jr.
Bitting Kurt
Ward Susan F
Whittleston Paul
Lorance Sarah
Althoff Donald L.
Brown Bryan K.
Feehan Michael
Koscinski Joseph S.
Fogarty Kevin Michael
Vann Kyle D
Coxon Robert
Ratcliffe James A
INEOS Ltd
Quartz Co-Invest, L.P.
CCMP Capital, LP
CCMP Co-Invest III A GP, LLC
CCMP Capital Investors III (AV-7), L.P.
CCMP Capital Investors III, L.P.
CCMP Capital Investors III (AV-9), L.P.
CCMP Capital Investors III (Employee), L.P.
CCMP Capital Investors III (AV-10), L.P.
CCMP Capital Associates III GP, LLC
CCMP Capital Investors III (AV-8), L.P.
CCMP Capital GP, LLC
CCMP Capital Associates III, L.P.
Ginns Jonny
Sichko William J. Jr.
Schneberger Thomas
Chariag Belgacem
Craighead Martin S
Kolberg Ray
Crews Michael C.
Beninati Albert F JR
Randolph Scott
Ross Kimberly A.
Taylor David James
Behrens Christopher C
INEOS Investments Partnership
Gentilcore James
Lau John
Ferrall Paul
Boyce Michael Ross
McFadden Mark
Toth Robert B
Walsh Timothy J
Brenneman Greg Dean
Currie Andrew
Form 13F Holdings
Firm Period DFND Voting Shares
Hotchkis & Wiley Capital Management LLC [2025-06-30] SOLE 10,093,395 11,218,795
Vanguard Group Inc [2025-06-30] SOLE 0 10,375,479
BlackRock, Inc. [2025-06-30] SOLE 9,901,365 10,165,666
Dimensional Fund Advisors LP [2025-06-30] SOLE 5,830,237 5,937,269
Shapiro Capital Management LLC [2025-06-30] SOLE 4,369,243 5,596,643
Allspring Global Investments Holdings, LLC [2025-06-30] DFND 953,626 4,868,721
Rubric Capital Management LP [2025-06-30] SOLE 4,707,347 4,707,347
Mangrove Partners IM LLC [2025-06-30] SOLE 4,538,410 4,538,410
Western Standard LLC [2025-06-30] SOLE 3,566,876 3,566,876
William Blair Investment Management LLC [2025-06-30] SOLE 2,271,817 3,196,902
Medina Value Partners LLC [2025-06-30] SOLE 3,167,490 3,167,490
Boston Partners [2025-06-30] DFND 2,785,187 2,934,054
State Street Corp [2025-06-30] DFND 2,257,938 2,559,147
Geode Capital Management LLC [2025-06-30] DFND 2,526,957 2,526,957
AllianceBernstein LP [2025-06-30] DFND 2,322,047 2,490,609
First Wilshire Securities Management Inc [2025-06-30] SOLE 2,071,329 2,200,585
Charles Schwab Investment Management Inc [2025-06-30] SOLE 2,164,987 2,164,987
Ameriprise Financial Inc [2025-06-30] DFND 0 1,590,044
Millennium Management LLC [2025-06-30] SOLE 1,417,306 1,417,306
Point72 Asset Management LP [2025-06-30] DFND 0 1,243,567
Castleknight Management LP [2025-06-30] SOLE 1,168,148 1,168,148
Loomis Sayles & Co L P [2025-06-30] DFND 988,567 1,049,970
Bank of America Corp /DE/ [2025-06-30] DFND 16,122 980,823
Northern Trust Corp [2025-06-30] DFND 925,477 925,477
Needham Investment Management LLC [2025-06-30] DFND 920,000 920,000
Yaupon Capital Management LP [2025-06-30] SOLE 900,000 900,000
Goldman Sachs Group Inc [2025-06-30] DFND 859,505 860,070
Brigade Capital Management LP [2025-06-30] SOLE 817,255 817,255
Nuveen, LLC [2025-06-30] DFND 716,912 716,912
Citadel Advisors LLC [2025-06-30] DFND 702,448 702,448
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