EcovystECVT

13F holders, Q4 2025 (December 31)
162holders −7
18new positions
24sold out
6famous investors
$9.74avg. 13F price*

At the end of Q4 2025, 162 institutions reported holding Ecovyst Inc. (ECVT) in their 13F filings, down 7 from Q3 2025. 18 opened new positions and 24 sold out. The largest holders were Vanguard Group Inc. ($108.1M), Rubric Capital Management LP ($102.2M) and BlackRock, Inc. ($101.7M). 6 famous investors held it, including Howard Marks (0.9% of Oaktree Capital Management's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Ecovyst Inc.
CUSIP
27923Q109
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200250 Q1 2024: 148Q1 2024Q2 2024: 151Q2 2024Q3 2024: 158Q3 2024Q4 2024: 169Q4 2024Q1 2025: 162Q1 2025Q2 2025: 177Q2 2025Q3 2025: 169Q3 2025Q4 2025: 162Q4 2025Q1 2026: 198Q1 2026Q2 2026: 208Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions18$37.4M
Exits24$45.3M

All 13F filers, Q3 2025 → Q4 2025: 9,707,147 shares bought and 10,698,640 shares sold, net −991,493 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 162 holders

Vanguard Group Inc. 0.00% Add +1.8% 11,112,611 $108.1M
Rubric Capital Management LP 1.22% Add +1.0% 10,500,000 $102.2M
BlackRock, Inc. 0.00% Add +1.8% 10,447,946 $101.7M
Hotchkis & Wiley Capital Management LLC 0.28% Add +8.1% 9,568,392 $93.1M
Dimensional Fund Advisors LP 0.01% Add +2.1% 6,387,278 $62.1M
Mangrove Partners Im, LLC 4.32% Reduce -0.5% 5,447,873 $53.0M
Brown Advisory Inc. 0.07% Reduce -8.2% 5,024,810 $48.9M
Oaktree Capital Management 0.91% Add +48.8% 4,254,503 $41.4M
Allspring Global Investments Holdings, LLC 0.07% Reduce -8.4% 4,127,390 $40.9M
William Blair Investment Management, LLC 0.07% Reduce -9.5% 2,728,749 $26.6M
Geode Capital Management, LLC 0.00% Reduce -1.1% 2,677,764 $26.1M
State Street Corp. 0.00% Add +0.7% 2,543,242 $24.7M
Shapiro Capital Management LLC 1.17% Reduce -41.7% 2,279,592 $22.2M
Charles Schwab Investment Management Inc. 0.00% Add +1.3% 2,271,907 $22.1M
Medina Value Partners, LLC 4.98% Add +1.5% 2,192,017 $21.3M
First Wilshire Securities Management Inc. 5.32% Reduce -0.4% 2,174,934 $21.2M
Ameriprise Financial Inc. 0.00% Add +0.2% 2,153,679 $21.0M
Brightline Capital Management, LLC 8.06% New 2,050,000 $19.9M
Invenomic Capital Management LP 0.90% Reduce -0.1% 1,906,840 $18.6M
Owls Nest Partners IA, LLC 4.92% Add +10.6% 1,826,120 $17.8M
Arrowstreet Capital, Limited Partnership 0.01% Add +102.3% 1,393,092 $13.6M
Thompson Siegel & Walmsley LLC 0.22% Reduce -10.2% 1,366,711 $13.3M
Point72 Asset Management 0.02% Add +4.8% 1,282,667 $12.5M
Loomis Sayles & Co. L P 0.01% Add +0.7% 1,268,450 $12.3M
Needham Investment Management LLC 0.63% Add +4.1% 1,020,000 $9.9M
Northern Trust Corp. 0.00% Reduce -10.1% 913,916 $8.9M
NewEdge Advisors, LLC 0.03% New 895,364 $8.7M
Goldman Sachs Group Inc. 0.00% Reduce -14.7% 828,289 $8.1M
Brigade Capital Management, LP 7.90% No change 817,255 $8.0M
Bridgeway Capital Management, LLC 0.16% Add +13.9% 808,547 $7.9M
Morgan Stanley 0.00% Reduce -31.3% 756,208 $7.4M
Bank of America Corp. 0.00% Reduce -11.6% 682,184 $6.6M
American Century Companies Inc. 0.00% Add +78.7% 616,504 $6.0M
Harbor Capital Advisors, Inc. 0.44% Add +22.1% 584,647 $5.7M
Ballast Asset Management, LP 2.49% Reduce -3.4% 540,845 $5.3M
State of Wisconsin Investment Board 0.01% Reduce -1.3% 535,412 $5.2M
Empowered Funds, LLC 0.09% Add +23.3% 521,672 $5.1M
Sei Investments Co. 0.01% Add +183.8% 520,169 $5.1M
Allianz Asset Management GmbH 0.01% Add +62.4% 519,210 $5.1M
JPMorgan Chase & Co. 0.00% Add +26.5% 456,992 $4.4M
FMR LLC 0.00% Add +111.0% 436,071 $4.2M
Kestrel Investment Management Corp. 2.25% New 407,600 $4.0M
Forest Hill Capital, LLC 1.95% No change 391,900 $3.8M
Bank of New York Mellon Corp 0.00% Reduce -2.1% 387,841 $3.8M
CastleKnight Management LP 0.20% No change 367,148 $3.6M
SG Americas Securities, LLC 0.00% Add +938.0% 331,184 $3.2M
Nuveen, LLC 0.00% Reduce -50.4% 315,988 $3.1M
Wedge Capital Management L L P 0.06% Reduce -2.1% 315,824 $3.1M
UBS Group AG 0.00% Add +222.9% 282,370 $2.7M
Invesco Ltd. 0.00% Reduce -22.3% 273,358 $2.7M
UMB Bank, n.a. 0.04% No change 272,651 $2.7M
Barclays PLC 0.00% Reduce -7.2% 230,351 $2.2M
Renaissance Technologies 0.00% Reduce -4.4% 230,100 $2.2M
Nierenberg Investment Management Company, LLC 1.12% No change 228,810 $2.2M
Swiss National Bank 0.00% Reduce -0.9% 225,600 $2.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -5.0% 203,839 $2.0M
Easterly Investment Partners LLC 0.10% No change 167,976 $1.6M
Rhumbline Advisers 0.00% Reduce -14.3% 152,390 $1.5M
Atom Investors LP 0.12% Reduce -10.6% 149,116 $1.5M
LSV Asset Management 0.00% Reduce -55.4% 146,300 $1.4M
Wells Fargo & Company 0.00% Add +39.7% 143,468 $1.4M
Hartree Partners, LP 0.48% New 135,000 $1.3M
Alliancebernstein L.P. 0.00% No change 124,260 $1.2M
Legal & General Group Plc 0.00% Reduce -10.2% 118,632 $1.2M
Bleakley Financial Group, LLC 0.02% New 117,400 $1.1M
Federated Hermes, Inc. 0.00% Add +0.7% 116,545 $1.1M
California State Teachers Retirement System 0.00% Reduce -2.8% 114,815 $1.1M
T. Rowe Price Associates Inc. 0.00% Add +5.1% 93,364 $909K
Deutsche Bank AG 0.00% Add +4.6% 84,462 $822K
Quantinno Capital Management LP 0.00% Reduce -12.5% 77,327 $752K
Clear Harbor Asset Management, LLC 0.05% Add +93.0% 77,200 $751K
AQR Capital Management 0.00% Reduce -52.3% 74,001 $720K
Franklin Resources Inc. 0.00% No change 71,025 $691K
RBF Capital, LLC 0.03% No change 69,956 $681K
Comerica Bank 0.00% Reduce -4.7% 66,314 $645K
First Trust Advisors LP 0.00% New 65,027 $633K
Canada Pension Plan Investment Board 0.00% New 64,600 $629K
MetLife Investment Management, LLC 0.00% Reduce -7.9% 61,218 $596K
Verition Fund Management LLC 0.00% Add +21.0% 60,003 $584K
Sterling Capital Management LLC 0.01% Reduce -2.4% 55,989 $545K
Brevan Howard Capital Management LP 0.01% Reduce -58.7% 53,786 $523K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Reduce -2.6% 53,040 $516K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 51,292 $499K
Manufacturers Life Insurance Company, The 0.00% Reduce -5.2% 50,158 $488K
Inspire Investing, LLC 0.04% Reduce -7.4% 47,959 $467K
Campbell & CO Investment Adviser LLC 0.02% Reduce -43.3% 47,245 $460K
Intech Investment Management LLC 0.00% No change 45,468 $442K
Janus Henderson Group PLC 0.00% No change 43,376 $422K
EP Wealth Advisors, LLC 0.00% — 40,869 $398K
AlphaQuest LLC 0.02% Reduce -56.3% 38,348 $373K
Two Sigma Advisers, LP 0.00% Add +70.8% 36,200 $352K
Net Worth Advisory Group 0.06% Reduce -1.9% 32,490 $316K
VARCOV Co. 0.12% — 32,223 $314K
Police & Firemen's Retirement System of New Jersey 0.00% No change 31,922 $311K
Arizona State Retirement System 0.00% Reduce -8.1% 31,911 $310K
Creative Planning 0.00% Add +9.8% 31,413 $306K
EntryPoint Capital, LLC 0.11% New 30,096 $293K
New York State Common Retirement Fund 0.00% No change 29,081 $283K
D. E. Shaw & Co. 0.00% Reduce -94.9% 28,826 $280K
Citadel Advisors 0.00% Reduce -6.3% 28,787 $280K
State Board of Administration of Florida Retirement System 0.00% No change 27,190 $265K
Entropy Technologies, LP 0.01% New 26,766 $260K
BNP Paribas Financial Markets 0.00% Add +9.0% 25,400 $247K
Boothbay Fund Management, LLC 0.01% Reduce -49.6% 25,187 $245K
KLP Kapitalforvaltning As 0.00% Reduce -12.6% 24,300 $236K
State of Alaska, Department of Revenue 0.00% Add +341.7% 24,256 $235K
Amundi 0.00% Reduce -83.6% 21,752 $212K
Jane Street Group, LLC 0.00% Reduce -79.7% 20,949 $204K
ProShare Advisors LLC 0.00% Add +4.2% 20,872 $203K
Voya Investment Management LLC 0.00% No change 20,605 $200K
Amplius Wealth Advisors, LLC 0.01% No change 18,288 $178K
XTX Topco Ltd 0.00% New 18,081 $176K
Pictet Asset Management Holding SA 0.00% Add +29.4% 17,977 $175K
King Luther Capital Management Corp. 0.00% No change 16,500 $161K
DekaBank Deutsche Girozentrale 0.00% No change 14,512 $153K
Susquehanna International Group, LLP 0.00% New 15,710 $153K
Dark Forest Capital Management LP 0.01% Reduce -81.1% 15,536 $151K
Cape Investment Advisory, Inc. 0.04% New 15,000 $146K
Lazard Asset Management LLC 0.00% No change 14,390 $140K
Victory Capital Management Inc. 0.00% Add +0.5% 12,934 $126K
Citigroup Inc. 0.00% Reduce -38.8% 12,597 $123K
Wedbush Securities Inc. 0.00% No change 12,581 $122K
Praxis Investment Management Inc. 0.01% No change 12,185 $119K
Tower Research Capital LLC (TRC) 0.00% Add +123.1% 12,128 $118K
Captrust Financial Advisors 0.00% Reduce -33.0% 11,618 $113K
Clearstead Advisors, LLC 0.00% Reduce -56.7% 11,400 $111K
Ameritas Investment Partners, Inc. 0.00% No change 9,789 $95K
Versant Capital Management, Inc 0.01% Add +1.5% 9,469 $92K
Russell Investments Group, Ltd. 0.00% Reduce -8.3% 9,060 $88K
Cwm, LLC 0.00% Reduce -29.0% 6,160 $60K
Public Employees Retirement System of Ohio 0.00% Add +7.0% 6,004 $58K
Amalgamated Bank 0.00% Reduce -11.0% 3,588 $35K
Royal Bank of Canada 0.00% Reduce -39.9% 3,258 $31K
Towarzystwo Funduszy Inwestycyjnych Pzu SA 0.01% New 2,200 $21K
GAMMA Investing LLC 0.00% Add +41.5% 2,112 $21K
SBI Securities Co., Ltd. 0.00% Add +1.4% 2,030 $20K
Nisa Investment Advisors, LLC 0.00% Add +74.0% 1,740 $17K
EverSource Wealth Advisors, LLC 0.00% Add +140.5% 1,561 $15K
Investors Research Corp 0.00% No change 1,500 $15K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +34.3% 1,418 $14K
Farther Finance Advisors, LLC 0.00% No change 836 $8K
GGM Financial LLC 0.00% No change 764 $7K
Rockefeller Capital Management L.P. 0.00% New 675 $7K
Aster Capital Management (DIFC) Ltd 0.00% Add +66.2% 630 $6K
PNC Financial Services Group, Inc. 0.00% New 488 $5K
Quadrant Capital Group LLC 0.00% No change 473 $5K
Los Angeles Capital Management LLC 0.00% New 550 $4K
STRS Ohio 0.00% No change 400 $4K
Essential Partners LLC 0.00% Reduce -8.7% 348 $3K
MAI Capital Management 0.00% New 319 $3K
Bessemer Group Inc. 0.00% No change 288 $3K
Optiver Holding B.V. 0.00% Reduce -70.8% 264 $3K
US Bancorp \de 0.00% No change 252 $2K
Rothschild Investment LLC 0.00% No change 245 $2K
Larson Financial Group LLC 0.00% No change 245 $2K
True Wealth Design, LLC 0.00% Reduce -10.3% 148 $1K
Arax Advisory Partners 0.00% Reduce -92.1% 139 $1K
IFP Advisors, Inc 0.00% No change 44 $428
Allworth Financial LP 0.00% Reduce -71.7% 39 $380
Sunbelt Securities, Inc. 0.00% No change 4 $39
Dunhill Financial, LLC 0.00% New 2 $22
Covestor Ltd 0.00% No change 11 $0

"% of holder's portfolio" is ECVT's weight in each manager's 13F, not the share of Ecovyst Inc. the manager owns.