EcovystECVT

13F holders, Q1 2025 (March 31)
162holders −7
19new positions
27sold out
4famous investors
$6.20avg. 13F price*

At the end of Q1 2025, 162 institutions reported holding Ecovyst Inc. (ECVT) in their 13F filings, down 7 from Q4 2024. 19 opened new positions and 27 sold out. The largest holders were Hotchkis & Wiley Capital Management LLC ($78.3M), Vanguard Group Inc. ($67.1M) and BlackRock, Inc. ($64.6M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Cliff Asness (0.0% of AQR Capital Management'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 Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions19$36.5M
Exits27$7.1M

All 13F filers, Q4 2024 → Q1 2025: 11,004,127 shares bought and 7,155,054 shares sold, net +3,849,073 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 162 holders

Hotchkis & Wiley Capital Management LLC 0.26% Reduce -3.9% 12,621,535 $78.3M
Vanguard Group Inc. 0.00% Reduce -0.9% 10,825,114 $67.1M
BlackRock, Inc. 0.00% Reduce -5.0% 10,421,994 $64.6M
Dimensional Fund Advisors LP 0.01% Reduce -1.1% 6,128,843 $38.0M
Shapiro Capital Management LLC 1.27% Add +2.9% 4,969,068 $30.8M
Allspring Global Investments Holdings, LLC 0.05% Reduce -3.6% 4,901,501 $30.3M
Mangrove Partners Im, LLC 3.24% New 4,538,410 $28.1M
Alliancebernstein L.P. 0.01% Reduce -0.6% 4,455,180 $27.6M
William Blair Investment Management, LLC 0.06% Reduce -3.9% 3,461,316 $21.5M
Medina Value Partners, LLC 5.27% Add +8.4% 2,972,262 $18.4M
Geode Capital Management, LLC 0.00% Add +2.6% 2,601,756 $16.1M
State Street Corp. 0.00% Add +0.1% 2,525,332 $15.7M
First Wilshire Securities Management Inc. 3.95% Add +12.6% 2,219,462 $13.8M
Harbor Capital Advisors, Inc. 0.61% Add +8.1% 2,163,134 $13.4M
Charles Schwab Investment Management Inc. 0.00% Add +10.7% 2,106,949 $13.1M
Thompson Siegel & Walmsley LLC 0.20% Reduce -8.2% 1,922,987 $11.9M
Western Standard LLC 6.24% Add +36.8% 1,711,842 $10.6M
Voss Capital, LP 0.57% Add +130.7% 1,198,981 $7.4M
Northern Trust Corp. 0.00% Add +12.0% 1,192,509 $7.4M
Loomis Sayles & Co. L P 0.01% Reduce -0.2% 1,025,961 $6.4M
Morgan Stanley 0.00% Add +50.2% 1,019,812 $6.3M
Bank of America Corp. 0.00% Reduce -19.3% 1,009,977 $6.3M
Needham Investment Management LLC 0.53% No change 920,000 $5.7M
Nuveen, LLC 0.00% — 878,783 $5.4M
EVR Research LP 2.38% Reduce -15.0% 850,000 $5.3M
Boston Partners 0.01% Reduce -67.9% 769,908 $4.8M
Prudential Financial Inc. 0.01% Reduce -9.6% 701,630 $4.4M
CastleKnight Management LP 0.48% Add +695.9% 694,971 $4.3M
Brigade Capital Management, LP 7.01% Add +28.7% 667,255 $4.1M
Goldman Sachs Group Inc. 0.00% Reduce -51.6% 655,361 $4.1M
Cove Street Capital, LLC 6.23% Add +29.8% 638,149 $4.0M
Bridgeway Capital Management, LLC 0.10% Add +31.7% 619,030 $3.8M
First Trust Advisors LP 0.00% Reduce -1.9% 595,743 $3.7M
State of Wisconsin Investment Board 0.01% Add +2.6% 560,477 $3.5M
Millennium Management 0.00% Add +85.7% 526,013 $3.3M
UMB Bank, n.a. 0.05% New 518,584 $3.2M
Ameriprise Financial Inc. 0.00% Add +0.6% 494,816 $3.1M
Ballast Asset Management, LP 1.59% Add +1.5% 485,587 $3.0M
LSV Asset Management 0.01% Reduce -2.6% 440,600 $2.7M
Wedge Capital Management L L P 0.05% Reduce -26.8% 400,191 $2.5M
Forest Hill Capital, LLC 1.82% Add +5.4% 391,900 $2.4M
American Century Companies Inc. 0.00% Add +39.6% 379,907 $2.4M
Bank of New York Mellon Corp 0.00% Add +1.2% 372,061 $2.3M
Raymond James Financial Inc. 0.00% No change 354,137 $2.2M
Empowered Funds, LLC 0.03% Add +7.5% 344,030 $2.1M
Trexquant Investment LP 0.02% New 323,285 $2.0M
JPMorgan Chase & Co. 0.00% Reduce -35.4% 313,877 $1.9M
Two Sigma Advisers, LP 0.00% Reduce -28.8% 301,100 $1.9M
Two Sigma Investments, LP 0.00% Reduce -36.6% 296,085 $1.8M
Nexpoint Asset Management, L.P. 0.17% Add +977.3% 287,687 $1.8M
Renaissance Technologies 0.00% Reduce -27.9% 282,700 $1.8M
Shay Capital LLC 0.51% Add +175.2% 280,000 $1.7M
Owls Nest Partners IA, LLC 0.39% New 263,630 $1.6M
Invesco Ltd. 0.00% Reduce -21.8% 250,663 $1.6M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% No change 248,731 $1.5M
Nierenberg Investment Management Company, LLC 0.83% No change 228,810 $1.4M
Susquehanna International Group, LLP 0.00% Add +241.8% 227,682 $1.4M
Swiss National Bank 0.00% Reduce -1.2% 214,400 $1.3M
Atom Investors LP 0.14% Reduce -1.3% 189,539 $1.2M
Sei Investments Co. 0.00% Reduce -12.6% 186,479 $1.2M
Rhumbline Advisers 0.00% Reduce -28.6% 175,810 $1.1M
UBS Group AG 0.00% Reduce -58.4% 172,343 $1.1M
AQR Capital Management 0.00% Reduce -3.0% 157,681 $978K
Easterly Investment Partners LLC 0.08% No change 155,296 $963K
Boothbay Fund Management, LLC 0.03% Add +112.1% 149,596 $927K
Amundi 0.00% Reduce -7.8% 155,558 $921K
Jane Street Group, LLC 0.00% Add +954.1% 141,532 $877K
Barclays PLC 0.00% Reduce -29.3% 140,182 $869K
Legal & General Group Plc 0.00% Add +4.3% 132,185 $820K
Federated Hermes, Inc. 0.00% No change 122,370 $759K
California State Teachers Retirement System 0.00% No change 103,964 $645K
Citigroup Inc. 0.00% Reduce -6.8% 101,621 $630K
Deutsche Bank AG 0.00% Reduce -10.1% 86,022 $533K
Dynamic Technology Lab Private Ltd 0.08% New 84,595 $524K
Wells Fargo & Company 0.00% Add +0.3% 80,694 $500K
OP Asset Management Ltd 0.01% — 78,047 $484K
T. Rowe Price Associates Inc. 0.00% Add +6.8% 76,195 $473K
Comerica Bank 0.00% Reduce -62.6% 75,569 $469K
RBF Capital, LLC 0.03% No change 69,956 $434K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +4.3% 69,105 $428K
Franklin Resources Inc. 0.00% No change 67,429 $418K
MetLife Investment Management, LLC 0.00% Reduce -7.3% 63,017 $391K
Creative Planning 0.00% Add +4.1% 60,832 $377K
Intech Investment Management LLC 0.00% Add +50.4% 60,816 $377K
Janus Henderson Group PLC 0.00% No change 57,223 $360K
Corebridge Financial, Inc. 0.00% Reduce -1.5% 57,011 $353K
Sterling Capital Management LLC 0.00% Reduce -12.0% 51,308 $318K
Pathstone Holdings, LLC 0.00% Reduce -0.9% 50,554 $313K
Royal Bank of Canada 0.00% Add +8.6% 45,069 $279K
Lazard Asset Management LLC 0.00% Add +66.5% 43,808 $270K
272 Capital LP 0.69% Reduce -66.9% 42,121 $261K
Engineers Gate Manager LP 0.00% Reduce -57.9% 42,093 $261K
Manufacturers Life Insurance Company, The 0.00% Reduce -24.8% 41,266 $256K
Petrus Trust Company, LTA 0.02% New 40,805 $253K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Reduce -17.0% 40,182 $249K
EP Wealth Advisors, LLC 0.00% Add +29.6% 39,599 $246K
Victory Capital Management Inc. 0.00% Add +196.9% 38,656 $240K
BNP Paribas Financial Markets 0.00% Add +121.6% 35,785 $222K
Quantinno Capital Management LP 0.00% Add +157.8% 33,458 $207K
Voya Investment Management LLC 0.00% Reduce -8.5% 32,564 $202K
Arizona State Retirement System 0.00% Reduce -1.1% 31,749 $197K
New York State Common Retirement Fund 0.00% No change 29,081 $180K
Clearstead Advisors, LLC 0.00% Add +9.7% 28,300 $175K
State Board of Administration of Florida Retirement System 0.00% Reduce -35.9% 27,190 $169K
Cibc World Markets Corp. 0.00% Add +137.1% 25,822 $160K
Oxford Asset Management LLP 0.07% New 25,711 $159K
ProShare Advisors LLC 0.00% Reduce -23.1% 25,192 $156K
Citadel Advisors 0.00% New 24,918 $154K
Police & Firemen's Retirement System of New Jersey 0.00% No change 23,396 $145K
Verition Fund Management LLC 0.00% Add +0.2% 22,158 $137K
KLP Kapitalforvaltning As 0.00% No change 21,400 $133K
Simplex Trading, LLC 0.00% New 18,732 $116K
LPL Financial LLC 0.00% Add +0.0% 18,551 $115K
Amplius Wealth Advisors, LLC 0.01% No change 18,288 $113K
Envestnet Asset Management Inc. 0.00% Add +46.8% 16,892 $105K
King Luther Capital Management Corp. 0.00% No change 16,500 $102K
Teacher Retirement System of Texas 0.00% New 16,180 $100K
FMR LLC 0.00% Add +312.3% 15,245 $95K
MBB Public Markets I LLC 0.01% No change 14,871 $92K
DekaBank Deutsche Girozentrale 0.00% No change 14,512 $90K
Pictet Asset Management Holding SA 0.00% No change 13,897 $86K
Wedbush Securities Inc. 0.00% No change 12,581 $78K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 12,534 $78K
Royce & Associates LP 0.00% New 11,721 $73K
Ameritas Investment Partners, Inc. 0.00% No change 11,401 $71K
Dark Forest Capital Management LP 0.00% Reduce -83.9% 11,348 $70K
AlphaQuest LLC 0.01% Add +60.1% 9,042 $56K
PEAK6 LLC 0.00% Add +85.3% 8,103 $50K
Versant Capital Management, Inc 0.01% Add +200.8% 5,227 $32K
Public Employees Retirement System of Ohio 0.00% Add +32.7% 4,351 $27K
Amalgamated Bank 0.00% Add +27.6% 4,030 $25K
Tower Research Capital LLC (TRC) 0.00% Reduce -81.0% 3,830 $24K
Cwm, LLC 0.00% Reduce -17.9% 3,648 $23K
Quarry LP 0.01% Reduce -76.8% 3,184 $20K
Barrow Hanley Mewhinney & Strauss LLC 0.00% No change 3,072 $19K
SBI Securities Co., Ltd. 0.00% Reduce -0.1% 2,015 $12K
Spire Wealth Management 0.00% Reduce -55.8% 1,988 $12K
Arax Advisory Partners 0.00% New 1,731 $11K
Investors Research Corp 0.00% No change 1,500 $9K
Optiver Holding B.V. 0.00% No change 910 $6K
GAMMA Investing LLC 0.00% Add +1740.8% 902 $6K
Aster Capital Management (DIFC) Ltd 0.00% Reduce -36.8% 730 $5K
Northwestern Mutual Wealth Management Co. 0.00% New 486 $3K
STRS Ohio 0.00% No change 400 $2K
Nisa Investment Advisors, LLC 0.00% Reduce -55.4% 377 $2K
Smartleaf Asset Management LLC 0.00% No change 337 $2K
Parkside Financial Bank & Trust 0.00% Reduce -93.7% 329 $2K
Russell Investments Group, Ltd. 0.00% Reduce -48.3% 293 $2K
Rothschild Investment LLC 0.00% Reduce -10.0% 225 $1K
Brooklyn Investment Group 0.00% New 184 $1K
Coldstream Capital Management Inc. 0.00% New 128 $794
Signaturefd, LLC 0.00% Reduce -3.0% 97 $601
Lindbrook Capital, LLC 0.00% Reduce -83.1% 94 $583
Caitong International Asset Management Co., Ltd 0.00% New 65 $403
Stephens Consulting, LLC 0.00% New 60 $372
True Wealth Design, LLC 0.00% Add +422.2% 47 $292
Osaic Holdings, Inc. 0.00% Reduce -23.7% 45 $279
Huntington National Bank 0.00% No change 40 $248
EverSource Wealth Advisors, LLC 0.00% Add +47.1% 25 $155
US Bancorp \de 0.00% New 24 $149
IFP Advisors, Inc 0.00% No change 18 $112
Covestor Ltd 0.00% Reduce -89.7% 12 $0

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