Stock Ownership/ECVT

ECOVYST INC (ECVT): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ECVT · Materials. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
15
13F filers
Aggregate Value
$118.2M
Across holders
Last Price
$10.07
2026-08-24
Sector
Materials
GICS
Quarterly fund activity8 increased7 reduced5 exited
Full exits: BRIGADE CAPITAL MANAGEMENT, LP, CAXTON ASSOCIATES LLP, BALYASNY ASSET MANAGEMENT LLC, Schonfeld Strategic Advisors LLC, OAKTREE CAPITAL MANAGEMENT LP
Institutional Holders of ECVT
↗
15 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund5.13M$63.9M54.1%0.0%Added+$3.8MQ2 2026
Qube Research & Technologies Ltd
CIK 0001729829
Hedge Fund1.66M$20.7M17.5%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund440K$5.5M4.6%0.0%Reduced$-7.3MQ2 2026
ExodusPoint Capital Management, LP
CIK 0001736225
Hedge Fund363K$4.5M3.8%0.0%Added—Q2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund352K$4.4M3.7%0.0%Reduced+$3.3MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund330K$4.1M3.5%0.0%Added+$1.1MQ2 2026
Gotham Asset Management, LLC
CIK 0001510387
Hedge Fund262K$3.3M2.8%0.0%Added+$2.0MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund213K$2.7M2.2%0.0%Reduced$-1.2MQ2 2026
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
Hedge Fund202K$2.5M2.1%0.0%Added—Q2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund139K$1.7M1.5%0.0%Added+$1.6MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$63.9M· 54.1% of total· 0.0% port· 5.13M sh· +$3.8M QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$20.7M· 17.5% of total· 0.0% port· 1.66M sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$5.5M· 4.6% of total· 0.0% port· 440K sh· $-7.3M QoQ· Q2 2026
ExodusPoint Capital Management, LPAdded
Hedge Fund
$4.5M· 3.8% of total· 0.0% port· 363K sh· — QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$4.4M· 3.7% of total· 0.0% port· 352K sh· +$3.3M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$4.1M· 3.5% of total· 0.0% port· 330K sh· +$1.1M QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$3.3M· 2.8% of total· 0.0% port· 262K sh· +$2.0M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$2.7M· 2.2% of total· 0.0% port· 213K sh· $-1.2M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALAdded
Hedge Fund
$2.5M· 2.1% of total· 0.0% port· 202K sh· — QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$1.7M· 1.5% of total· 0.0% port· 139K sh· +$1.6M QoQ· Q2 2026
Man Group plcReduced
Hedge Fund
$1.7M· 1.5% of total· 0.0% port· 139K sh· $-339K QoQ· Q2 2026
Point72 Asset Management, L.P.Reduced
Hedge Fund
$1.1M· 0.9% of total· 0.0% port· 87K sh· $-12.0M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$869K· 0.7% of total· 0.0% port· 70K sh· $-726K QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCReduced
Hedge Fund
$738K· 0.6% of total· 0.0% port· 59K sh· $-871K QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$511K· 0.4% of total· 0.0% port· 41K sh· $-38K QoQ· Q2 2026
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