EcovystECVT

13F holders, Q1 2026 (March 31)
198holders +36
49new positions
15sold out
8famous investors
$12.87avg. 13F price*

At the end of Q1 2026, 198 institutions reported holding Ecovyst Inc. (ECVT) in their 13F filings, up 36 from Q4 2025. 49 opened new positions and 15 sold out. The largest holders were Rubric Capital Management LP ($117.5M), BlackRock, Inc. ($112.3M) and Dimensional Fund Advisors LP ($83.6M). 8 famous investors held it, including Howard Marks (0.7% 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 Q4 2025 → Q1 2026

InstitutionsTotal Value
New Positions49$79.6M
Exits15$97.3M

All 13F filers, Q4 2025 → Q1 2026: 20,960,586 shares bought and 25,653,846 shares sold, net −4,693,260 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 198 holders

Rubric Capital Management LP 1.44% Reduce -13.0% 9,136,067 $117.5M
BlackRock, Inc. 0.00% Reduce -16.4% 8,734,220 $112.3M
Dimensional Fund Advisors LP 0.02% Add +1.7% 6,498,654 $83.6M
Hotchkis & Wiley Capital Management LLC 0.22% Reduce -43.4% 5,413,862 $69.6M
Vanguard Portfolio Management LLC 0.00% — 5,244,406 $67.4M
Vanguard Capital Management LLC 0.00% — 4,977,580 $64.0M
Brown Advisory Inc. 0.10% Reduce -3.6% 4,842,174 $62.3M
Arrowstreet Capital, Limited Partnership 0.03% Add +246.6% 4,829,034 $62.1M
FMR LLC 0.00% Add +924.5% 4,467,425 $57.5M
Allspring Global Investments Holdings, LLC 0.08% Reduce -8.0% 3,798,389 $49.8M
Brightline Capital Management, LLC 10.65% Add +36.6% 2,800,000 $36.0M
Geode Capital Management, LLC 0.00% Add +3.2% 2,763,454 $35.5M
State Street Corp. 0.00% Add +1.3% 2,577,391 $33.1M
Oaktree Capital Management 0.71% Reduce -43.7% 2,393,791 $30.8M
First Wilshire Securities Management Inc. 6.36% Add +1.0% 2,196,784 $28.3M
Ameriprise Financial Inc. 0.01% Reduce -1.0% 2,131,663 $27.4M
Charles Schwab Investment Management Inc. 0.00% Reduce -6.4% 2,126,914 $27.4M
American Century Companies Inc. 0.01% Add +228.5% 2,025,270 $26.0M
William Blair Investment Management, LLC 0.08% Reduce -31.7% 1,864,621 $24.0M
Goldman Sachs Group Inc. 0.00% Add +69.8% 1,406,885 $18.1M
Owls Nest Partners IA, LLC 6.19% Reduce -24.7% 1,374,674 $17.7M
Driehaus Capital Management LLC 0.13% New 1,356,131 $17.4M
Loomis Sayles & Co. L P 0.02% Reduce -3.4% 1,225,131 $15.8M
Bank of America Corp. 0.00% Add +62.1% 1,106,009 $14.2M
Point72 Asset Management 0.02% Reduce -18.2% 1,049,527 $13.5M
Needham Investment Management LLC 0.67% No change 1,020,000 $13.1M
Northern Trust Corp. 0.00% Add +4.9% 958,764 $12.3M
Sei Investments Co. 0.01% Add +80.3% 938,031 $12.1M
NewEdge Advisors, LLC 0.04% No change 895,364 $11.5M
Bridgeway Capital Management, LLC 0.22% Add +3.3% 834,793 $10.7M
JPMorgan Chase & Co. 0.00% Add +79.7% 821,390 $10.6M
Brigade Capital Management, LP 13.09% No change 817,255 $10.5M
Congruence Capital, LLC 3.52% New 815,443 $10.5M
Allianz Asset Management GmbH 0.01% Add +55.2% 805,698 $10.4M
Shapiro Capital Management LLC 0.62% Reduce -66.4% 766,762 $9.9M
Vanguard Fiduciary Trust Co. 0.00% — 731,724 $9.4M
Morgan Stanley 0.00% Reduce -4.4% 722,625 $9.3M
Citadel Advisors 0.01% Add +2157.2% 649,778 $8.4M
Empowered Funds, LLC 0.05% Add +8.6% 566,680 $7.3M
Ballast Asset Management, LP 3.17% Add +2.5% 554,625 $7.1M
SG Americas Securities, LLC 0.01% Add +56.0% 516,569 $6.6M
Dayah Capital LLC 3.53% New 470,000 $6.0M
UBS Group AG 0.00% Add +53.5% 433,465 $5.6M
D. E. Shaw & Co. 0.00% Add +1365.6% 422,463 $5.4M
Invenomic Capital Management LP 0.25% Reduce -78.1% 418,265 $5.4M
Kestrel Investment Management Corp. 3.11% Reduce -0.5% 405,400 $5.2M
Jane Street Group, LLC 0.01% Add +1772.1% 392,193 $5.0M
SummitTX Capital, L.P. 0.16% New 390,106 $5.0M
Bank of New York Mellon Corp 0.00% Reduce -1.4% 382,233 $4.9M
Invesco Ltd. 0.00% Add +38.1% 377,455 $4.9M
CastleKnight Management LP 0.22% No change 367,148 $4.7M
State of Wisconsin Investment Board 0.01% Reduce -36.8% 338,599 $4.4M
Tiptree Advisors, LLC 2.43% New 325,000 $4.2M
HSBC Holdings PLC 0.00% New 310,322 $4.0M
Nuveen, LLC 0.00% Reduce -1.0% 312,714 $4.0M
Renaissance Technologies 0.01% Add +33.3% 306,700 $3.9M
VARCOV Co. 1.34% Add +764.9% 278,682 $3.6M
UMB Bank, n.a. 0.05% No change 272,651 $3.5M
Wedge Capital Management L L P 0.06% Reduce -18.8% 256,583 $3.3M
Mirabella Financial Services LLP 0.31% New 239,526 $3.1M
Two Sigma Investments, LP 0.00% New 238,003 $3.1M
Harbor Capital Advisors, Inc. 0.24% Reduce -60.0% 234,136 $3.0M
Swiss National Bank 0.00% No change 225,600 $2.9M
VIRGINIA RETIREMENT SYSTEMS ET Al 0.02% New 206,900 $2.7M
Connor, Clark & Lunn Investment Management Ltd. 0.01% New 186,701 $2.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Reduce -11.3% 180,872 $2.3M
Massar Capital Management, LP 0.46% New 178,976 $2.3M
Man Group plc 0.00% New 166,063 $2.1M
Rhumbline Advisers 0.00% Reduce -0.5% 151,668 $2.0M
ExodusPoint Capital Management, LP 0.02% New 149,388 $1.9M
Easterly Investment Partners LLC 0.13% Reduce -19.3% 135,610 $1.7M
State Board of Administration of Florida Retirement System 0.00% Add +379.4% 130,361 $1.7M
Millennium Management 0.00% New 129,221 $1.7M
Brevan Howard Capital Management LP 0.02% Add +138.1% 128,080 $1.6M
Bleakley Financial Group, LLC 0.02% Add +0.3% 117,741 $1.5M
Campbell & CO Investment Adviser LLC 0.09% Add +148.5% 117,420 $1.5M
Verdence Capital Advisors LLC 0.08% New 107,594 $1.4M
T. Rowe Price Associates Inc. 0.00% Add +15.1% 107,474 $1.4M
Schonfeld Strategic Advisors LLC 0.01% New 107,167 $1.4M
California State Teachers Retirement System 0.00% Reduce -6.9% 106,933 $1.4M
Gotham Asset Management 0.00% New 99,607 $1.3M
Legal & General Group Plc 0.00% Reduce -18.3% 96,986 $1.2M
Hartree Partners, LP 0.27% Reduce -28.4% 96,726 $1.2M
Federated Hermes, Inc. 0.00% Reduce -17.1% 96,665 $1.2M
Deutsche Bank AG 0.00% Add +13.1% 95,516 $1.2M
Alliancebernstein L.P. 0.00% No change 124,260 $1.2M
AQR Capital Management 0.00% Add +21.8% 90,136 $1.2M
Jump Financial, LLC 0.02% New 85,927 $1.1M
Dark Forest Capital Management LP 0.09% Add +429.2% 82,221 $1.1M
WINTON GROUP Ltd 0.04% New 79,100 $1.0M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% — 75,951 $977K
Quantinno Capital Management LP 0.00% Reduce -2.4% 75,446 $970K
Franklin Resources Inc. 0.00% No change 71,025 $913K
Susquehanna International Group, LLP 0.00% Add +348.0% 70,386 $905K
Canada Pension Plan Investment Board 0.00% No change 64,600 $831K
Clear Harbor Asset Management, LLC 0.06% Reduce -16.6% 64,375 $828K
Wells Fargo & Company 0.00% Reduce -55.6% 63,690 $819K
Lazard Asset Management LLC 0.00% Add +335.8% 62,714 $807K
MetLife Investment Management, LLC 0.00% Reduce -2.1% 59,907 $770K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +13.8% 58,373 $751K
Fifth Third Bancorp 0.00% New 54,291 $698K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +1.0% 53,572 $689K
XTX Topco Ltd 0.01% Add +187.2% 51,922 $668K
RBF Capital, LLC 0.03% Reduce -27.1% 51,017 $656K
Vanguard Global Advisers, LLC 0.00% — 50,036 $643K
Y-Intercept (Hong Kong) Ltd 0.01% New 49,936 $642K
Manufacturers Life Insurance Company, The 0.00% Reduce -4.0% 48,133 $619K
Janus Henderson Group PLC 0.00% No change 43,376 $558K
LSV Asset Management 0.00% Reduce -71.8% 41,300 $531K
Inspire Investing, LLC 0.03% Reduce -16.8% 39,896 $513K
Barclays PLC 0.00% Reduce -82.7% 39,748 $511K
EP Wealth Advisors, LLC 0.00% Reduce -2.9% 39,670 $510K
Creative Planning 0.00% Add +25.8% 39,503 $508K
nVerses Capital, LLC 0.46% New 39,049 $502K
Fox Run Management, L.L.C. 0.08% New 37,502 $482K
Prelude Capital Management, LLC 0.04% New 35,601 $458K
Sterling Capital Management LLC 0.01% Reduce -37.4% 35,059 $451K
Police & Firemen's Retirement System of New Jersey 0.00% No change 31,922 $411K
Arizona State Retirement System 0.00% Reduce -1.9% 31,319 $403K
New York State Common Retirement Fund 0.00% No change 29,081 $374K
Simplex Trading, LLC 0.01% New 28,461 $366K
Net Worth Advisory Group 0.08% Reduce -12.5% 28,441 $366K
Vanguard Investments Australia, Ltd. 0.00% — 28,001 $360K
Ashton Thomas Private Wealth, LLC 0.01% New 26,511 $341K
BNP Paribas Financial Markets 0.00% Add +0.8% 25,613 $329K
Intech Investment Management LLC 0.00% Reduce -44.9% 25,075 $322K
STRS Ohio 0.00% Add +6125.0% 24,900 $320K
J. Safra Sarasin Holding AG 0.01% New 24,405 $314K
Caxton Associates LLP 0.01% New 24,323 $313K
KLP Kapitalforvaltning As 0.00% No change 24,300 $312K
State of Alaska, Department of Revenue 0.00% No change 24,256 $311K
Seven Mile Advisory 0.20% New 21,856 $281K
Virtu Financial LLC 0.01% New 21,456 $276K
Prudential Financial Inc. 0.00% New 20,615 $265K
Kerrisdale Advisers, LLC 0.10% New 20,000 $257K
Premier Fund Managers Ltd 0.02% New 19,890 $256K
Amundi 0.00% Reduce -9.2% 19,749 $254K
Voya Investment Management LLC 0.00% Reduce -4.2% 19,733 $254K
Citigroup Inc. 0.00% Add +48.4% 18,699 $240K
Gsa Capital Partners LLP 0.01% New 18,058 $232K
Pictet Asset Management Holding SA 0.00% Add +0.1% 17,989 $231K
Inceptionr LLC 0.06% New 17,927 $231K
ProShare Advisors LLC 0.00% Reduce -20.7% 16,556 $213K
King Luther Capital Management Corp. 0.00% No change 16,500 $212K
EntryPoint Capital, LLC 0.06% Reduce -48.9% 15,380 $198K
Cape Investment Advisory, Inc. 0.06% Reduce -1.3% 14,800 $190K
DekaBank Deutsche Girozentrale 0.00% No change 14,512 $190K
Marshall Wace, LLP 0.00% New 14,700 $189K
Tower Research Capital LLC (TRC) 0.00% Add +13.4% 13,753 $177K
Wedbush Securities Inc. 0.00% No change 12,581 $162K
Victory Capital Management Inc. 0.00% Reduce -4.3% 12,384 $159K
Praxis Investment Management Inc. 0.01% No change 12,185 $157K
Summit Securities Group LLC 0.08% New 12,000 $154K
Scientech Research LLC 0.12% New 11,343 $146K
Dynamic Technology Lab Private Ltd 0.02% New 11,031 $142K
Xponance LLC 0.00% New 10,508 $135K
Balyasny Asset Management L.P. 0.00% New 10,497 $135K
Ameritas Investment Partners, Inc. 0.00% No change 9,789 $126K
Versant Capital Management, Inc 0.01% No change 9,469 $122K
Russell Investments Group, Ltd. 0.00% Reduce -3.9% 8,704 $112K
Cwm, LLC 0.00% Add +3.2% 6,355 $82K
State of Wyoming 0.01% New 6,210 $80K
OP Asset Management Ltd 0.00% New 5,963 $77K
Public Employees Retirement System of Ohio 0.00% Reduce -4.7% 5,723 $74K
Nomura Asset Management Co. Ltd. 0.00% New 2,700 $35K
GAMMA Investing LLC 0.00% Add +12.6% 2,377 $31K
Towarzystwo Funduszy Inwestycyjnych Pzu SA 0.01% No change 2,200 $28K
SBI Securities Co., Ltd. 0.00% No change 2,030 $26K
EverSource Wealth Advisors, LLC 0.00% Add +17.4% 1,833 $24K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% Add +26.4% 1,792 $23K
Nisa Investment Advisors, LLC 0.00% No change 1,740 $22K
Quarry LP 0.00% New 1,650 $21K
Investors Research Corp 0.00% No change 1,500 $19K
MAI Capital Management 0.00% Add +190.9% 928 $12K
Farther Finance Advisors, LLC 0.00% No change 836 $11K
GGM Financial LLC 0.00% No change 764 $10K
Los Angeles Capital Management LLC 0.00% No change 550 $7K
Quadrant Capital Group LLC 0.00% No change 473 $6K
Optiver Holding B.V. 0.00% Add +59.1% 420 $5K
Essential Partners LLC 0.00% No change 348 $4K
Bessemer Group Inc. 0.00% No change 288 $4K
US Bancorp \de 0.00% Add +12.7% 284 $4K
Rothschild Investment LLC 0.00% Add +14.3% 280 $4K
Larson Financial Group LLC 0.00% No change 245 $3K
Root Financial Partners, LLC 0.00% New 230 $3K
Arax Advisory Partners 0.00% Add +20.1% 167 $2K
True Wealth Design, LLC 0.00% No change 148 $2K
Aster Capital Management (DIFC) Ltd 0.00% Reduce -64.0% 227 $1K
Royal Bank of Canada 0.00% Reduce -97.5% 82 $1K
Allworth Financial LP 0.00% Add +59.0% 62 $798
IFP Advisors, Inc 0.00% No change 44 $566
Caitong International Asset Management Co., Ltd 0.00% New 35 $450
PNC Financial Services Group, Inc. 0.00% Reduce -93.0% 34 $437
Assetmark, Inc. 0.00% New 18 $231
Osaic Holdings, Inc. 0.00% New 9 $116
Sunbelt Securities, Inc. 0.00% No change 4 $51
Dunhill Financial, LLC 0.00% No change 2 $28
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.