Ecovyst

ECVT • NYSE

Ecovyst is a chemicals - specialty company in the basic materials sector on NYSE, led by Kurt J. Bitting, with a market cap of $1.2B. As of Q3 2025, 103% of shares are held by 167 institutional investors, with VANGUARD GROUP INC as the largest holder at 9.55%.

CEOKurt J. Bitting

Market Cap$1.2B

Chemicals - Specialty

Basic Materials

Employees911.0

Websiteecovyst.com

Country

United States of America

Overview

Overview of institutional ownership in ECVT as of Q3 2025 with a market cap of $1.0B

All Institutions

Institutions: 167
Value Held: $1.0B
Shares Held: 118.5M
Avg Position: $6.2M
Median Position: $609.8K

Hedge Funds

Hedge Funds: 30
Value Held: $275.1M
Shares Held: 31.4M
Avg Position: $9.2M
Median Position: $2.1M

Ownership Breakdown

Institutional (non-HF)

75.99%

$761.6M

Hedge Funds

27.44%

$275.1M

Retail & Other

Based on market cap of $1.0B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in ECVT as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$95.7M 0.00% of portfolio	9.55% 10.9M shares	Q3 2017 Held for 8y 3m	$6.69T
R Rubric Capital Management LP Hedge Fund•Long/Short	Margaret Kossakowski CFO	$91.1M 1.31% of portfolio	9.09% 10.4M shares	Q2 2025 Held for 6 months	$6.9B
BlackRock, Inc. Institution	Laurence D. Fink CEO	$90.0M 0.00% of portfolio	8.97% 10.3M shares	Q4 2017 Held for 8 years	$5.67T
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	Scott Hoy Mcbride CEO	$77.5M 0.24% of portfolio	7.74% 8.9M shares	Q4 2020 Held for 5 years	$32.2B
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$54.8M 0.01% of portfolio	5.47% 6.3M shares	Q2 2018 Held for 7y 6m	$466.34B
B BROWN ADVISORY INC RIA/Wealth	David Alan Miller Founder	$48.0M 0.06% of portfolio	4.78% 5.5M shares	Q3 2025 Held for 3 months	$74.0B
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	Nathaniel Hall August President	$48.0M 3.37% of portfolio	4.78% 5.5M shares	Q1 2025 Held for 9 months	$1.4B
Allspring Global Investments Holdings, LLC Long Only Manager	Francis Jon Baranko President	$38.6M 0.06% of portfolio	3.94% 4.5M shares	Q4 2021 Held for 4 years	$61.5B
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	Louis Steven Shapiro President	$34.3M 1.54% of portfolio	3.42% 3.9M shares	Q2 2018 Held for 7y 6m	$2.2B
Robeco Investment Management, Inc. Long Only Manager	Joseph Francis Feeney CEO	$28.1M 0.03% of portfolio	2.82% 3.2M shares	Q3 2017 Held for 8y 3m	$97.8B

Net Capital Flow

Institutional buying and selling activity for ECVT in Q3 2025

Traded: +$30.6M
Buyers: 93
Sellers: 83
Total Bought: +$216.8M
Total Sold: −$186.1M
Avg Position: $5.2M

Biggest Buyers

Institution	Net Bought	Current Position
R Rubric Capital Management LP Hedge Fund•Long/Short	+$49.9M +5.7M shares	$91.1M 10.4M shares
B BROWN ADVISORY INC RIA/Wealth	+$48.0M +5.5M shares	$48.0M 5.5M shares
OAKTREE CAPITAL MANAGEMENT LP Hedge Fund•Multi-Strategy	+$25.0M +2.9M shares	$25.0M 2.9M shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	+$16.7M +1.9M shares	$16.7M 1.9M shares
Owls Nest Partners IA, LLC Hedge Fund•Value	+$9.9M +1.1M shares	$14.5M 1.7M shares
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	+$8.2M +935.6K shares	$48.0M 5.5M shares
Simcoe Capital Management, LLC Hedge Fund•Long/Short	+$6.7M +767.6K shares	$6.7M 767.6K shares
MORGAN STANLEY RIA/Wealth	+$6.0M +681.2K shares	$9.6M 1.1M shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$5.9M +672.9K shares	$6.0M 688.5K shares
D D. E. Shaw & Co., Inc. Institution	+$4.9M +562.1K shares	$4.9M 562.1K shares

Biggest Sellers

Institution	Net Sold	Current Position
Western Standard, LLC Hedge Fund•Long/Short	−$29.4M −3.6M shares	Sold Off 0 shares
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC Long Only Manager	−$20.7M −2.4M shares	$77.5M 8.9M shares
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	−$14.8M −1.7M shares	$34.3M 3.9M shares
HARBOR CAPITAL ADVISORS, INC. ETF Provider	−$13.3M −1.5M shares	$4.2M 479.0K shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$11.7M −1.4M shares	Sold Off 0 shares
M Medina Singh Partners, LLC Hedge Fund•Value	−$8.8M −1.0M shares	$18.9M 2.2M shares
Y Yaupon Capital Management LP Hedge Fund•Multi-Strategy	−$7.4M −900.0K shares	Sold Off 0 shares
C CastleKnight Management LP Hedge Fund•Event Driven	−$5.3M −601.0K shares	$3.2M 367.1K shares
E EVR Research LP Hedge Fund•Long/Short	−$4.9M −600.0K shares	Sold Off 0 shares
S Shay Capital LLC Institution	−$4.3M −517.0K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited ECVT in Q3 2025

New Positions: 15
New Value: $98.1M
Exited Positions: 33
Exited Value: $97.2M

New Positions

Institution	Position Value
B BROWN ADVISORY INC RIA/Wealth	$48.0M 5.5M shares
OAKTREE CAPITAL MANAGEMENT LP Hedge Fund•Multi-Strategy	$25.0M 2.9M shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	$16.7M 1.9M shares
Simcoe Capital Management, LLC Hedge Fund•Long/Short	$6.7M 767.6K shares
CWM Advisors, LLC ETF Provider	$453.6K 51.8K shares
Clear Harbor Asset Management, LLC RIA/Wealth	$350.4K 40.0K shares
Net Worth Advisory Group RIA/Wealth	$290.1K 33.1K shares
D DRW Securities, LLC Institution	$176.4K 22.0K shares
HPM Partners LLC RIA/Wealth	$125.3K 14.3K shares
EVERENCE CAPITAL MANAGEMENT INC Long Only Manager	$106.7K 12.2K shares

Exited Positions

Institution	Previous Position
Western Standard, LLC Hedge Fund•Long/Short	$29.4M 3.6M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$11.7M 1.4M shares
Y Yaupon Capital Management LP Hedge Fund•Multi-Strategy	$7.4M 900.0K shares
E EVR Research LP Hedge Fund•Long/Short	$4.9M 600.0K shares
S Shay Capital LLC Institution	$4.3M 517.0K shares
Ghisallo Capital Management LLC Hedge Fund•Multi-Strategy	$4.1M 500.0K shares
UBS OCONNOR LLC Long Only Manager	$3.7M 450.0K shares
K Kent Lake PR LLC Hedge Fund•Long/Short	$3.3M 400.0K shares
CAPSTONE INVESTMENT ADVISORS, LLC Hedge Fund•Multi-Strategy	$2.9M 350.0K shares
Burkehill Global Management, LP Hedge Fund•Event Driven	$2.5M 300.0K shares

Options Activity

Institutions with the largest Call and Put options positions in ECVT as of Q3 2025

Call Positions: 2
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
Brooklands Fund Management Ltd Hedge Fund•Multi-Strategy	- - contracts
C CastleKnight Management LP Hedge Fund•Event Driven	- - contracts

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with ECVT as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
BRIGADE CAPITAL MANAGEMENT, LLC Hedge Fund•Multi-Strategy	Raymond (Nmn) Luis President	7.15% $7.2M	0.71% 817.3K shares	Q1 2023 Held for 2y 9m	$100.1M
FIRST WILSHIRE SECURITIES MANAGEMENT INC RIA/Wealth	Howard Haoming Lu CEO	5.09% $19.1M	1.91% 2.2M shares	Q4 2022 Held for 3 years	$375.8M
M Medina Singh Partners, LLC Hedge Fund•Value	Kristofer Lee Medina Managing Partner	4.42% $18.9M	1.89% 2.2M shares	Q3 2024 Held for 1y 3m	$428.0M
Owls Nest Partners IA, LLC Hedge Fund•Value	David C Ferreira President	4.02% $14.5M	1.44% 1.7M shares	Q1 2025 Held for 9 months	$359.8M
Cove Street Capital, LLC Hedge Fund•Value	Matthew James Weber President	3.62% $2.7M	0.27% 313.7K shares	Q3 2020 Held for 5y 3m	$75.9M
MANGROVE PARTNERS Hedge Fund•Multi-Strategy	Nathaniel Hall August President	3.37% $48.0M	4.78% 5.5M shares	Q1 2025 Held for 9 months	$1.4B
Ballast Asset Management, LP Long Only Manager	Ragen R Stienke Managing Partner	2.24% $4.9M	0.49% 560.1K shares	Q3 2023 Held for 2y 3m	$219.1M
F Forest Hill Capital, LLC Hedge Fund•Long/Short	Mark Allen Lee President	2.02% $3.4M	0.34% 391.9K shares	Q2 2024 Held for 1y 6m	$169.9M
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	Louis Steven Shapiro President	1.54% $34.3M	3.42% 3.9M shares	Q2 2018 Held for 7y 6m	$2.2B
R Rubric Capital Management LP Hedge Fund•Long/Short	Margaret Kossakowski CFO	1.31% $91.1M	9.09% 10.4M shares	Q2 2025 Held for 6 months	$6.9B

Hedge Fund Spotlight

Discover hedge funds investing in ECVT

Medina Singh Partners, LLC

Hedge Fund • Value

Portfolio ManagerKristofer Lee Medina

Portfolio Value: $428.0M
Positions: 28
Last Reported: Q3 2025

Sector Allocation

Position in Ecovyst

Market Value: $18.9M
Shares Held: 2.2M
Portfolio Weight: 4.42%
Owned Since: 2024-Q3

Top Holding	Sector	Market Value	Weight
1 Aptiv APTV	Auto - Parts Consumer Cyclical	$29.8M	6.96%
2 Thermon Group Holdings THR	Industrial - Machinery Industrials	$26.4M	6.16%
3 National Presto Industries NPK	Aerospace & Defense Industrials	$23.4M	5.47%