13F

Stock

Ecovyst Inc.

ECVT · held by 197 managers

Reported value

$1.41B

Holders

197

+48 new · −17 exited

Holders’ est. mark

$240.5M

Price effect on 143 books still in the name

Largest holder

$117.5M

Rubric Capital Management LP

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Rubric Capital Management LP9.14M$117.5M$28.6MAdded$15.3M
BlackRock, Inc.8.73M$112.3M$27.3MAdded$10.7M
DIMENSIONAL FUND ADVISORS LP6.5M$83.6M$20MAdded$21.4M
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC5.41M$69.6M$16.9MCut−$23.5M
VANGUARD PORTFOLIO MANAGEMENT LLC5.24M$67.4MHeld
VANGUARD CAPITAL MANAGEMENT LLC4.98M$64MHeld
BROWN ADVISORY INC4.84M$62.3M$15.2MAdded$13.4M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP4.83M$62.1M$4.36MAdded$48.5M
Fidelity4.47M$57.5M$1.36MAdded$53.2M
Allspring Global Investments Holdings, LLC3.8M$49.8M$12.2MAdded$8.93M
BRIGHTLINE CAPITAL MANAGEMENT, LLC2.8M$36M$6.42MAdded$16.1M
GEODE CAPITAL MANAGEMENT, LLC2.76M$35.5M$8.38MAdded$9.49M
State Street2.58M$33.1M$7.96MAdded$8.4M
OAKTREE CAPITAL MANAGEMENT LP2.39M$30.8M$7.49MCut−$10.6M
FIRST WILSHIRE SECURITIES MANAGEMENT INC2.2M$28.3M$6.81MAdded$7.09M
AMERIPRISE FINANCIAL INC2.13M$27.4M$6.67MAdded$6.46M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC2.13M$27.4M$6.66MAdded$5.25M
AMERICAN CENTURY COMPANIES INC2.03M$26M$1.93MAdded$20M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1.86M$24M$5.84MCut−$2.57M
GOLDMAN SACHS GROUP INC1.41M$18.1M$2.59MAdded$10M
Owls Nest Partners IA, LLC1.37M$17.7M$4.3MCut−$89.8K
Driehaus Capital Management LLC1.36M$17.4MNew
LOOMIS SAYLES & CO L P1.23M$15.8M$3.83MAdded$3.41M
BANK OF AMERICA CORP /DE/1.11M$14.2M$2.14MAdded$7.59M
Point72 Asset Management, L.P.1.05M$13.5M$3.29MAdded$1.02M
NEEDHAM INVESTMENT MANAGEMENT LLC1.02M$13.1M$3.19MAdded$3.19M
NORTHERN TRUST CORP958.8K$12.3M$2.86MAdded$3.44M
SEI INVESTMENTS CO938K$12.1M$1.63MAdded$7M
BRIDGEWAY CAPITAL MANAGEMENT, LLC834.8K$10.7M$2.53MAdded$2.87M
JPMORGAN CHASE & CO821.4K$10.6M$1.43MAdded$6.12M
BRIGADE CAPITAL MANAGEMENT, LP817.3K$10.5M$2.56MAdded$2.56M
Congruence Capital, LLC815.4K$10.5MNew
Allianz Asset Management GmbH805.7K$10.4M$1.63MAdded$5.31M
SHAPIRO CAPITAL MANAGEMENT LLC766.8K$9.86M$2.4MCut−$12.3M
VANGUARD FIDUCIARY TRUST CO731.7K$9.41MHeld
MORGAN STANLEY722.6K$9.29M$2.26MAdded$1.94M
Citadel649.8K$8.36M$90.1KAdded$8.08M
Empowered Funds, LLC566.7K$7.29M$1.63MAdded$2.21M
Ballast Asset Management, LP554.6K$7.13M$1.69MAdded$1.87M
Dayah Capital LLC470K$6.04MNew
UBS Group AG433.5K$5.57M$883.8KAdded$2.83M
D. E. Shaw & Co., Inc.422.5K$5.43M$90.2KAdded$5.15M
Invenomic Capital Management LP418.3K$5.38M$1.31MCut−$13.2M
KESTREL INVESTMENT MANAGEMENT CORP405.4K$5.21M$5.21MAdded$5.21M
JANE STREET GROUP, LLC392.2K$5.04M$65.6KAdded$4.84M
SummitTX Capital, L.P.390.1K$5.02MNew
Bank of New York Mellon Corp382.2K$4.92M$1.2MAdded$1.14M
Invesco Ltd.377.5K$4.85M$855.6KAdded$2.19M
CastleKnight Management LP367.1K$4.72M$1.15MAdded$1.15M
STATE OF WISCONSIN INVESTMENT BOARD338.6K$4.35M$1.06MCut−$855.2K
Tiptree Advisors, LLC325K$4.18MNew
HSBC HOLDINGS PLC310.3K$4.02MNew
Nuveen, LLC312.7K$4.02M$978.8KAdded$946.9K
Renaissance Technologies306.7K$3.94M$720.2KAdded$1.71M
VARCOV Co.278.7K$3.58M$100.9KAdded$3.27M
UMB Bank, n.a.272.7K$3.51M$853.4KAdded$853.4K
WEDGE CAPITAL MANAGEMENT L L P/NC256.6K$3.3M$803.1KAdded$226.7K
MIRABELLA FINANCIAL SERVICES LLP239.5K$3.08MNew
TWO SIGMA INVESTMENTS, LP238K$3.06MNew
Swiss National Bank225.6K$2.9M$706.1KAdded$706.1K
Connor, Clark & Lunn Investment Management Ltd.186.7K$2.4MNew
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC180.9K$2.33M$566.1KAdded$342.7K
Massar Capital Management, LP179K$2.3MNew
Man Group plc166.1K$2.14MNew
RHUMBLINE ADVISERS151.7K$1.95M$474.7KAdded$467.7K
ExodusPoint Capital Management, LP149.4K$1.92MNew
EASTERLY INVESTMENT PARTNERS LLC135.6K$1.74M$424.5KAdded$109.5K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM130.4K$1.68M$85.1KAdded$1.41M
MILLENNIUM MANAGEMENT LLC129.2K$1.66MNew
Brevan Howard Capital Management LP128.1K$1.65M$168.4KAdded$1.12M
Bleakley Financial Group, LLC117.7K$1.51M$367.5KAdded$371.8K
Campbell & CO Investment Adviser LLC117.4K$1.51M$147.9KAdded$1.05M
Verdence Capital Advisors LLC107.6K$1.38MNew
Schonfeld Strategic Advisors LLC107.2K$1.38MNew
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM106.9K$1.38M$334.7KAdded$258K
Gotham Asset Management, LLC99.6K$1.28MNew
Legal & General Group Plc97K$1.25M$303.6KAdded$93K
Hartree Partners, LP96.7K$1.24M$302.8KCut−$69.7K
FEDERATED HERMES, INC.96.7K$1.24M$302.6KAdded$109.1K
DEUTSCHE BANK AG\95.5K$1.23M$264.4KAdded$406.5K
ALLIANCEBERNSTEIN L.P.124.3K$1.21M$0Held
Icahn Capital90.1K$1.16M$231.6KAdded$439.1K
Jump Financial, LLC85.9K$1.11MNew
DARK FOREST CAPITAL MANAGEMENT LP82.2K$1.06M$48.6KAdded$906.2K
WINTON GROUP Ltd79.1K$1.02MNew
VANGUARD ASSET MANAGEMENT, Ltd76K$976.7KHeld
Quantinno Capital Management LP75.4K$970.2K$236.1KAdded$217.8K
FRANKLIN RESOURCES INC71K$913.4K$222.3KAdded$222.3K
SUSQUEHANNA INTERNATIONAL GROUP, LLP70.4K$905.2K$49.2KAdded$752.3K
NewEdge Advisors, LLC895.4K$895.4K−$7.82MCut−$7.82M
CANADA PENSION PLAN INVESTMENT BOARD64.6K$830.8K$202.2KAdded$202.2K
Clear Harbor Asset Management, LLC64.4K$827.9K$201.5KAdded$76.7K
WELLS FARGO & COMPANY/MN63.7K$819.1K$199.3KCut−$576.9K
LAZARD ASSET MANAGEMENT LLC62.7K$806.5K$45KAdded$666.5K
MetLife Investment Management, LLC59.9K$770.4K$187.5KAdded$174.8K
Zurcher Kantonalbank (Zurich Cantonalbank)58.4K$750.7K$160.5KAdded$251.6K
FIFTH THIRD BANCORP54.3K$698.2KNew
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.53.6K$688.9K$166KAdded$172.9K
XTX Topco Ltd51.9K$667.7K$56.6KAdded$491.8K
RBF Capital, LLC51K$656.1K$159.7KCut−$24.6K
Vanguard Global Advisers, LLC50K$643.5KHeld
Y-Intercept (Hong Kong) Ltd49.9K$642.2KNew
MANUFACTURERS LIFE INSURANCE COMPANY, THE48.1K$619K$150.7KAdded$131K
JANUS HENDERSON GROUP PLC43.4K$557.6K$135.3KAdded$135.3K
Inspire Investing, LLC39.9K$513.1K$124.9KAdded$46.4K
BARCLAYS PLC39.7K$511.2K$124.4KCut−$1.73M
EP Wealth Advisors, LLC39.7K$510.2K$124.2KAdded$112.5K
Creative Planning39.5K$508K$98.3KAdded$202.4K
nVerses Capital, LLC39K$502.2KNew
FOX RUN MANAGEMENT, L.L.C.37.5K$482.3KNew
PRELUDE CAPITAL MANAGEMENT, LLC35.6K$457.8KNew
Sterling Capital Management LLC35.1K$450.9K$109.7KCut−$93.9K
Police & Firemen's Retirement System of New Jersey31.9K$410.5K$99.9KAdded$99.9K
ARIZONA STATE RETIREMENT SYSTEM31.3K$402.8K$98KAdded$92.3K
NEW YORK STATE COMMON RETIREMENT FUND29.1K$374K$91KAdded$91K
SIMPLEX TRADING, LLC28.5K$366KNew
Net Worth Advisory Group28.4K$365.7K$89KAdded$49.6K
Vanguard Investments Australia, Ltd.28K$360.1KHeld
Ashton Thomas Private Wealth, LLC26.5K$340.9KNew
BNP PARIBAS FINANCIAL MARKETS25.6K$329.4K$79.5KAdded$82.2K
INTECH INVESTMENT MANAGEMENT LLC25.1K$322.5K$78.5KCut−$119.9K
STRS OHIO24.9K$320.2K$1.25KAdded$316.3K
J. Safra Sarasin Holding AG24.4K$313.8KNew
CAXTON ASSOCIATES LLP24.3K$312.8KNew
KLP KAPITALFORVALTNING AS24.3K$312.5K$76.1KAdded$76.1K
SEVEN MILE ADVISORY21.9K$281.1KNew
PRUDENTIAL FINANCIAL INC20.6K$265.1KNew
Kerrisdale Advisers, LLC20K$257.2KNew
Amundi19.7K$254K$61.8KAdded$42.3K
VOYA INVESTMENT MANAGEMENT LLC19.7K$253.8K$61.8KAdded$53.3K
CITIGROUP INC18.7K$240.5K$39.4KAdded$117.9K
Pictet Asset Management Holding SA18K$231.3K$56.3KAdded$56.4K
INCEPTIONR LLC17.9K$230.5KNew
ProShare Advisors LLC16.6K$212.9K$51.8KAdded$9.83K
KING LUTHER CAPITAL MANAGEMENT CORP16.5K$212.2K$51.6KAdded$51.6K
EntryPoint Capital, LLC15.4K$197.8K$48.1KCut−$95K
Cape Investment Advisory, Inc.14.8K$190.3K$46.3KAdded$44.4K
MARSHALL WACE, LLP14.7K$189KNew
Tower Research Capital LLC (TRC)13.8K$176.9K$38KAdded$58.9K
VICTORY CAPITAL MANAGEMENT INC12.4K$159.3K$38.8KAdded$33.4K
SUMMIT SECURITIES GROUP LLC12K$154.3KNew
Scientech Research LLC11.3K$145.9KNew
Dynamic Technology Lab Private Ltd11K$141.9KNew
XPONANCE LLC10.5K$135.1KNew
Balyasny Asset Management L.P.10.5K$135KNew
Ameritas Investment Partners, Inc.9.79K$125.9K$30.6KAdded$30.6K
Versant Capital Management, Inc9.47K$121.8K$29.6KAdded$29.6K
Russell Investments Group, Ltd.8.7K$111.9K$27.2KAdded$23.8K
CWM, LLC6.36K$81.7K$79.2KAdded$81.7K
State of Wyoming6.21K$79.9KNew
OP Asset Management Ltd5.96K$76.7KNew
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO5.72K$73.6K$17.9KAdded$15.2K
NOMURA ASSET MANAGEMENT CO LTD2.7K$34.7KNew
GAMMA Investing LLC2.38K$30.6K$6.61KAdded$10K
TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA2.2K$28.3K$6.89KAdded$6.89K
SBI Securities Co., Ltd.2.03K$26.1K$6.35KAdded$6.35K
EverSource Wealth Advisors, LLC1.83K$23.6K$4.89KAdded$8.38K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1.79K$23K$18.2KAdded$23K
NISA INVESTMENT ADVISORS, LLC1.74K$22.4K$5.45KAdded$5.45K
Quarry LP1.65K$21.2KNew
Investors Research Corp1.5K$19.3K$4.69KAdded$4.7K
MAI Capital Management928$11.9K$999Added$8.83K
Farther Finance Advisors, LLC836$11K$2.83KAdded$2.83K
GGM Financials LLC764$9.82K$2.39KAdded$2.39K
LOS ANGELES CAPITAL MANAGEMENT LLC550$7.07K$2.57KAdded$2.57K
SG Americas Securities, LLC516.6K$6.64K$1.04KAdded$3.42K
QUADRANT CAPITAL GROUP LLC473$6.08K$1.48KAdded$1.48K
Optiver Holding B.V.420$5.4K$826Added$2.83K
Essential Partners LLC348$4.47K$1.09KAdded$1.09K
US BANCORP \DE\284$3.65K$789Added$1.2K
ROTHSCHILD INVESTMENT LLC280$3.6K$767Added$1.22K
Larson Financial Group LLC245$3.15K$767Added$767
HARBOR CAPITAL ADVISORS, INC.234.1K$3.01K$733Cut−$2.68K
Root Financial Partners, LLC230$2.96KNew
Arax Advisory Partners167$2.15K$435Added$795
True Wealth Design, LLC148$1.9K$463Added$463
Aster Capital Management (DIFC) Ltd227$1.41K−$802Cut−$4.72K
PRICE T ROWE ASSOCIATES INC /MD/107.5K$1.38K$292Added$474
ROYAL BANK OF CANADA82$1K$220Cut−$30K
Allworth Financial LP62$798$122Added$418
IFP Advisors, Inc44$566$138Added$138
LSV ASSET MANAGEMENT41.3K$531$129Cut−$892
Caitong International Asset Management Co., Ltd35$450New
PNC Financial Services Group, Inc.34$437$106Cut−$4.31K
State of Alaska, Department of Revenue24.3K$311$76Added$76
Virtu Financial LLC21.5K$276New
Premier Fund Managers Ltd19.9K$256New
GSA CAPITAL PARTNERS LLP18.1K$232New
ASSETMARK, INC18$231New
DekaBank Deutsche Girozentrale14.5K$190$37Added$37
WEDBUSH SECURITIES INC12.6K$162$40Added$40
PRAXIS INVESTMENT MANAGEMENT INC12.2K$157$38Added$38
OSAIC HOLDINGS, INC.9$116New
Sunbelt Securities, Inc.4$51$12Added$12
Dunhill Financial, LLC2$28$6Added$6
BESSEMER GROUP INC288$4$1Added$1
Covestor Ltd11$0$0Held

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.