ECVT Ecovyst Inc.

NYSE
$10.11

Ecovyst Inc. (ECVT) Institutional Ownership

What the institutions did with ECVT last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers compared
242
filed both this quarter and last
Managers holding
206
+12 on the quarter
Buyers
124
48 opened new
Sellers
90
36 sold out entirely
Buyer share
57.9%
of managers who traded it
Breadth
+15.9
net buyers, as a share of those trading

Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Ownership map

Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.

Cut Unchanged Added Color saturates at ±50%.

Largest holders

Manager Shares % of reported
BlackRock, Inc. 10.7M 9.7%
Rubric Capital Management LP 8.2M 7.5%
DIMENSIONAL FUND ADVISORS LP 6.6M 6.0%
VANGUARD PORTFOLIO MANAGEMENT LLC 6.1M 5.5%
FMR LLC 5.3M 4.9%
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 5.1M 4.7%
VANGUARD CAPITAL MANAGEMENT LLC 4.8M 4.4%
BROWN ADVISORY INC 4.5M 4.1%
AMERICAN CENTURY COMPANIES INC 3.5M 3.2%
GEODE CAPITAL MANAGEMENT, LLC 3.1M 2.9%
BRIGHTLINE CAPITAL MANAGEMENT, LLC 3.0M 2.7%
STATE STREET CORP 2.7M 2.4%
GOLDMAN SACHS GROUP INC 2.6M 2.4%
AMERIPRISE FINANCIAL INC 2.2M 2.0%
FIRST WILSHIRE SECURITIES MANAGEMENT INC 2.2M 2.0%
AltraVue Capital, LLC 2.0M 1.8%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.9M 1.7%
Qube Research & Technologies Ltd 1.7M 1.5%
Allspring Global Investments Holdings, LLC 1.4M 1.3%
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 1.4M 1.3%
MORGAN STANLEY 1.1M 1.0%
NEEDHAM INVESTMENT MANAGEMENT LLC 1.0M 0.9%
LOOMIS SAYLES & CO L P 1.0M 0.9%
NORTHERN TRUST CORP 980.1K 0.9%
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 942.3K 0.9%

Largest changes

Manager Action Previous Current Change
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Reduced 5.4M 1.4M -4.0M
OAKTREE CAPITAL MANAGEMENT LP Sold Out 2.4M 0 -2.4M
Allspring Global Investments Holdings, LLC Reduced 3.8M 1.4M -2.4M
AltraVue Capital, LLC New 0 2.0M +2.0M
BlackRock, Inc. Increased 8.7M 10.7M +1.9M
Qube Research & Technologies Ltd New 0 1.7M +1.7M
AMERICAN CENTURY COMPANIES INC Increased 2.0M 3.5M +1.4M
Driehaus Capital Management LLC Sold Out 1.4M 0 -1.4M
GOLDMAN SACHS GROUP INC Increased 1.4M 2.6M +1.2M
Owls Nest Partners IA, LLC Reduced 1.4M 191.9K -1.2M
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Reduced 1.9M 860.4K -1.0M
Point72 Asset Management, L.P. Reduced 1.0M 87.2K -962.3K
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND New 0 942.3K +942.3K
Rubric Capital Management LP Reduced 9.1M 8.2M -924.2K
FMR LLC Increased 4.5M 5.3M +866.3K
VANGUARD PORTFOLIO MANAGEMENT LLC Increased 5.2M 6.1M +846.5K
BRIGADE CAPITAL MANAGEMENT, LP Sold Out 817.3K 0 -817.3K
Congruence Capital, LLC Sold Out 815.4K 0 -815.4K
SHAPIRO CAPITAL MANAGEMENT LLC Sold Out 766.8K 0 -766.8K
Apis Capital Advisors, LLC New 0 540.0K +540.0K
HRT FINANCIAL LP New 0 534.2K +534.2K
BANK OF AMERICA CORP /DE/ Reduced 1.1M 584.2K -521.8K
PRUDENTIAL FINANCIAL INC Increased 20.6K 515.8K +495.1K
VICTORY CAPITAL MANAGEMENT INC Increased 12.4K 501.0K +488.6K
Legato Capital Management LLC New 0 470.2K +470.2K
Dayah Capital LLC Sold Out 470.0K 0 -470.0K
SG Americas Securities, LLC Reduced 516.6K 48.4K -468.1K
SEI INVESTMENTS CO Reduced 938.0K 472.5K -465.5K
UniSuper Management Pty Ltd New 0 458.2K +458.2K
Trexquant Investment LP New 0 421.1K +421.1K
Invenomic Capital Management LP Sold Out 418.3K 0 -418.3K
NEW YORK STATE COMMON RETIREMENT FUND Increased 29.1K 439.4K +410.3K
MORGAN STANLEY Increased 722.6K 1.1M +407.6K
SummitTX Capital, L.P. Sold Out 390.1K 0 -390.1K
GEODE CAPITAL MANAGEMENT, LLC Increased 2.8M 3.1M +386.4K
Connor, Clark & Lunn Investment Management Ltd. Increased 186.7K 571.9K +385.2K
Thrivent Financial for Lutherans New 0 317.2K +317.2K
BROWN ADVISORY INC Reduced 4.8M 4.5M -308.7K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Increased 4.8M 5.1M +303.9K
UBS Group AG Reduced 433.5K 132.5K -301.0K
UMB Bank, n.a. Sold Out 272.7K 0 -272.7K
MIRABELLA FINANCIAL SERVICES LLP Sold Out 239.5K 0 -239.5K
BNP PARIBAS FINANCIAL MARKETS Increased 25.6K 265.0K +239.4K
Simcoe Capital LLC New 0 239.1K +239.1K
SCHRODER INVESTMENT MANAGEMENT GROUP New 0 239.1K +239.1K
Edgestream Partners, L.P. New 0 234.6K +234.6K
HARBOR CAPITAL ADVISORS, INC. Reduced 234.1K 675 -233.5K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Reduced 2.1M 1.9M -228.0K
LAZARD ASSET MANAGEMENT LLC Increased 62.7K 288.2K +225.5K
ExodusPoint Capital Management, LP Increased 149.4K 362.5K +213.1K
BRIGHTLINE CAPITAL MANAGEMENT, LLC Increased 2.8M 3.0M +212.0K
LOOMIS SAYLES & CO L P Reduced 1.2M 1.0M -211.4K
CITADEL ADVISORS LLC Reduced 649.8K 439.6K -210.1K
TUDOR INVESTMENT CORP ET AL New 0 202.2K +202.2K
JANE STREET GROUP, LLC Reduced 392.2K 203.2K -189.0K
Massar Capital Management, LP Sold Out 179.0K 0 -179.0K
STATE OF WISCONSIN INVESTMENT BOARD Reduced 338.6K 167.8K -170.8K
Gotham Asset Management, LLC Increased 99.6K 261.9K +162.3K
NATIXIS ADVISORS, LLC New 0 160.0K +160.0K
VARCOV Co. Reduced 278.7K 125.3K -153.3K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.