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ECVT Insider Trading

Insider Ownership Percentage: 1.48%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $0.00

Ecovyst Insider Trading History Chart

This chart shows the insider buying and selling history at Ecovyst by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Ecovyst Share Price & Price History

Current Price: $8.50
Price Change: ▼ Price Decrease of -0.565 (-6.24%)
As of 12/4/2025 04:59 PM ET

This chart shows the closing price history over time for ECVT up to the past year.

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Days: 30 | 90 | 365

Ecovyst Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
8/7/2024Paul WhittlestonInsiderBuy7,800$6.50$50,700.0057,542View SEC Filing Icon  
8/5/2024Joseph S KoscinskiInsiderBuy4,807$6.26$30,091.82544,609View SEC Filing Icon  
3/22/2024Susan F WardDirectorSell24,436$10.28$251,202.0867,587View SEC Filing Icon  
8/23/2023Kurt BittingInsiderBuy3,100$9.64$29,884.00415,718View SEC Filing Icon  
5/26/2023Ltd IneosMajor ShareholderSell14,000,000$10.88$152,320,000.0010,731,385View SEC Filing Icon  
3/7/2023Ccmp Capital, LpMajor ShareholderSell11,490,444$9.95$114,329,917.80View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Ecovyst (NYSE:ECVT)

86.69% of Ecovyst stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at ECVT by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Ecovyst Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/21/2025CIBC Bancorp USA Inc.12,490$0.11M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP82,094$0.72M0.0%-50.9%0.072%Search for SEC Filing on Google Icon
11/17/2025PharVision Advisers LLC11,580$0.10M0.1%N/A0.010%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC49,581$0.43M0.0%-46.4%0.043%Search for SEC Filing on Google Icon
11/17/2025Shapiro Capital Management LLC3,910,397$34.26M1.5%-30.1%3.430%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC21,100$0.19M0.0%N/A0.019%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.54,432$0.48M0.0%N/A0.048%Search for SEC Filing on Google Icon
11/17/2025Invenomic Capital Management LP1,909,686$16.73M0.8%N/A1.675%Search for SEC Filing on Google Icon
11/17/2025Citadel Advisors LLC30,720$0.27M0.0%-95.6%0.027%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP130,184$1.14M0.0%+460.0%0.114%Search for SEC Filing on Google Icon
11/17/2025Clearline Capital LP168,144$1.47M0.1%N/A0.147%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE771,876$6.76M0.0%-21.3%0.677%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC49,995$0.44M0.0%-80.0%0.044%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.124,260$1.09M0.0%-95.0%0.109%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.2,149,744$18.83M0.0%+35.2%1.885%Search for SEC Filing on Google Icon
11/14/2025Creative Planning28,622$0.25M0.0%+4.8%0.025%Search for SEC Filing on Google Icon
11/14/2025Amundi132,511$1.12M0.0%-2.2%0.116%Search for SEC Filing on Google Icon
11/14/2025Rubric Capital Management LP10,400,000$91.10M1.0%+120.9%9.121%Search for SEC Filing on Google Icon
11/14/2025Hotchkis & Wiley Capital Management LLC8,852,152$77.55M0.2%-21.1%7.764%Search for SEC Filing on Google Icon
11/14/2025California State Teachers Retirement System118,159$1.04M0.0%+15.7%0.104%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 51,292$0.45M0.0%+4.3%0.045%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC214,529$1.88M0.0%-35.8%0.188%Search for SEC Filing on Google Icon
11/14/2025Bridgeway Capital Management LLC710,099$6.22M0.1%+6.7%0.623%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC28,499$0.25M0.0%-81.1%0.025%Search for SEC Filing on Google Icon
11/14/2025Mangrove Partners IM LLC5,474,057$47.95M4.0%+20.6%4.801%Search for SEC Filing on Google Icon
11/14/2025Simcoe Capital Management LLC767,640$6.73M1.0%N/A0.673%Search for SEC Filing on Google Icon
11/14/2025Cove Street Capital LLC313,713$2.75M3.6%-44.9%0.275%Search for SEC Filing on Google Icon
11/13/2025Boston Partners3,225,459$28.10M0.0%-0.5%2.829%Search for SEC Filing on Google Icon
11/13/2025Landscape Capital Management L.L.C.10,108$89K0.0%N/A0.009%Search for SEC Filing on Google Icon
11/13/2025Oaktree Capital Management LP2,859,022$25.05M0.2%N/A2.507%Search for SEC Filing on Google Icon
11/13/2025Medina Value Partners LLC2,160,140$18.92M4.4%-31.8%1.895%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.351,697$3.08M0.0%+50.5%0.308%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership688,517$6.03M0.0%+4,298.3%0.604%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG87,455$0.77M0.0%-74.9%0.077%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets23,300$0.20M0.0%+122.1%0.020%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.71,025$0.62M0.0%-8.0%0.062%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank227,600$1.99M0.0%+6.2%0.200%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.9,877$87K0.0%N/A0.009%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC248,233$2.18M0.0%+20.1%0.218%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP6,257,072$54.81M0.0%+1.3%5.488%Search for SEC Filing on Google Icon
11/12/2025William Blair Investment Management LLC3,014,160$26.40M0.1%-5.7%2.644%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC45,468$0.40M0.0%-14.0%0.040%Search for SEC Filing on Google Icon
11/10/2025Clearstead Advisors LLC26,339$0.23M0.0%-21.4%0.023%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.9,789$86K0.0%-14.1%0.009%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.10,921,217$95.67M0.0%+2.5%9.545%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.361,359$3.17M0.0%+21.1%0.316%Search for SEC Filing on Google Icon
11/6/2025LSV Asset Management328,100$2.87M0.0%-2.7%0.287%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers177,791$1.56M0.0%+3.3%0.155%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC20,035$0.18M0.0%-9.5%0.018%Search for SEC Filing on Google Icon
11/4/2025Allianz Asset Management GmbH319,726$2.80M0.0%+242.5%0.279%Search for SEC Filing on Google Icon
11/4/2025Ballast Asset Management LP560,137$4.91M2.2%+0.9%0.490%Search for SEC Filing on Google Icon
11/4/2025UMB Bank n.a.272,651$2.39M0.0%-47.4%0.238%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC87,669$0.77M0.1%+869.6%0.077%Search for SEC Filing on Google Icon
11/3/2025Arizona State Retirement System34,740$0.30M0.0%+6.7%0.030%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.115,745$1.01M0.0%+11.4%0.101%Search for SEC Filing on Google Icon
10/31/2025Y Intercept Hong Kong Ltd226,182$1.98M0.0%N/A0.198%Search for SEC Filing on Google Icon
10/28/2025Campbell & CO Investment Adviser LLC83,288$0.73M0.1%+47.3%0.073%Search for SEC Filing on Google Icon
10/24/2025State of Alaska Department of Revenue5,491$48K0.0%N/A0.005%Search for SEC Filing on Google Icon
10/23/2025Clear Harbor Asset Management LLC40,000$0.35M0.0%N/A0.035%Search for SEC Filing on Google Icon
10/23/2025SG Americas Securities LLC31,906$0.28M0.0%N/A0.028%Search for SEC Filing on Google Icon
10/23/2025KLP Kapitalforvaltning AS27,800$0.24M0.0%+29.9%0.024%Search for SEC Filing on Google Icon
10/20/2025Allspring Global Investments Holdings LLC4,506,862$38.62M0.1%-7.4%3.939%Search for SEC Filing on Google Icon
10/15/2025CWM LLC8,678$76K0.0%+45.9%0.008%Search for SEC Filing on Google Icon
10/15/2025Inspire Investing LLC51,777$0.45M0.0%N/A0.045%Search for SEC Filing on Google Icon
10/15/2025Harbor Capital Advisors Inc.478,951$4.20M0.3%-76.0%0.419%Search for SEC Filing on Google Icon
10/15/2025Net Worth Advisory Group33,113$0.29M0.1%N/A0.029%Search for SEC Filing on Google Icon
10/10/2025Wedge Capital Management L L P NC322,598$2.83M0.0%-7.8%0.282%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC20,605$0.18M0.0%-35.0%0.018%Search for SEC Filing on Google Icon
10/1/2025Praxis Investment Management Inc.12,185$0.11M0.0%N/A0.011%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC150,600$1.24M0.0%N/A0.132%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 18,008$0.15M0.0%+370.2%0.016%Search for SEC Filing on Google Icon
8/15/2025Shay Capital LLC517,000$4.26M0.5%+84.6%0.452%Search for SEC Filing on Google Icon
8/15/2025Rubric Capital Management LP4,707,347$38.74M0.6%N/A4.114%Search for SEC Filing on Google Icon
8/15/2025Man Group plc300,000$2.47M0.0%N/A0.262%Search for SEC Filing on Google Icon
8/15/2025Lazard Asset Management LLC14,390$0.12M0.0%-67.2%0.013%Search for SEC Filing on Google Icon
8/15/2025Group One Trading LLC14,538$0.12M0.0%-60.0%0.013%Search for SEC Filing on Google Icon
8/15/2025EVR Research LP600,000$4.94M2.1%-29.4%0.524%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets10,493$86K0.0%-70.7%0.009%Search for SEC Filing on Google Icon
8/15/2025Boothbay Fund Management LLC249,774$2.06M0.0%+67.0%0.218%Search for SEC Filing on Google Icon
8/15/2025Bridgeway Capital Management LLC665,270$5.48M0.1%+7.5%0.581%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP23,249$0.19M0.0%N/A0.020%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE980,823$8.07M0.0%-2.9%0.857%Search for SEC Filing on Google Icon
8/15/2025Ameriprise Financial Inc.1,590,044$13.09M0.0%+221.3%1.390%Search for SEC Filing on Google Icon
8/14/2025Lighthouse Investment Partners LLC50,000$0.41M0.0%N/A0.044%Search for SEC Filing on Google Icon
8/14/2025Kent Lake PR LLC400,000$3.29M1.5%N/A0.350%Search for SEC Filing on Google Icon
8/14/2025Jane Street Group LLC247,502$2.04M0.0%+74.9%0.216%Search for SEC Filing on Google Icon
8/14/2025Murchinson Ltd.148,200$1.22M0.4%N/A0.130%Search for SEC Filing on Google Icon
8/14/2025California State Teachers Retirement System102,135$0.84M0.0%-1.8%0.089%Search for SEC Filing on Google Icon
8/14/2025Raymond James Financial Inc.346,137$2.85M0.0%-2.3%0.303%Search for SEC Filing on Google Icon
8/14/2025Soros Fund Management LLC286,674$2.36M0.0%N/A0.251%Search for SEC Filing on Google Icon
8/14/2025Quantinno Capital Management LP47,831$0.39M0.0%+43.0%0.042%Search for SEC Filing on Google Icon
8/14/2025Alliancebernstein L.P.2,490,609$20.50M0.0%-44.1%2.177%Search for SEC Filing on Google Icon
8/14/2025Caption Management LLC21,400$0.18M0.0%N/A0.019%Search for SEC Filing on Google Icon
8/14/2025The Manufacturers Life Insurance Company 39,619$0.33M0.0%-4.0%0.035%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC150,600$1.24M0.0%N/A0.132%Search for SEC Filing on Google Icon
8/14/2025Owls Nest Partners IA LLC521,571$4.29M1.0%+97.8%0.456%Search for SEC Filing on Google Icon
8/14/2025Sei Investments Co.183,527$1.51M0.0%-7.7%0.160%Search for SEC Filing on Google Icon
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 450,000$3.70M0.2%N/A0.393%Search for SEC Filing on Google Icon
8/14/2025First Wilshire Securities Management Inc.2,200,585$18.11M4.9%-0.9%1.923%Search for SEC Filing on Google Icon
8/14/2025Voss Capital LP641,317$5.28M0.4%-46.5%0.561%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Ecovyst logo
Ecovyst Inc. offers specialty catalysts and services in the United States and internationally. The company operates in two segments, Ecoservices and Advanced Materials & Catalysts. The Ecoservices segment provides sulfuric acid recycling services and end-to-end logistics for production of alkylate for refineries; and virgin sulfuric acid for mining, water treatment, and industrial applications. The Advanced Materials & Catalysts segment offers advanced materials and specialty catalyst products and process solutions to producers and licensors of polyethylene and advanced silicas. This segment also supplies specialty zeolites and zeolite-based catalysts to customers for refining of oil primarily hydrocracking catalyst and dewaxing, sustainable fuels, and emission control systems for both on-road and non-road diesel engines. The company was formerly known as PQ Group Holdings Inc. and changed its name to Ecovyst Inc. in August 2021. Ecovyst Inc. was founded in 1831 and is headquartered in Malvern, Pennsylvania.
Read More on Ecovyst

Today's Range

Now: $8.50
Low: $8.47
High: $9.08

50 Day Range

MA: $8.49
Low: $7.84
High: $9.22

52 Week Range

Now: $8.50
Low: $5.24
High: $9.69

Volume

4,932,589 shs

Average Volume

1,127,340 shs

Market Capitalization

$968.60 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.25

Who are the company insiders with the largest holdings of Ecovyst?

Ecovyst's top insider shareholders include:
  1. Joseph S Koscinski (Insider)
  2. Susan F Ward (Director)
  3. Paul Whittleston (Insider)
Learn More about top insider investors at Ecovyst.

Who are the major institutional investors of Ecovyst?

Ecovyst's top institutional shareholders include:
  1. Vanguard Group Inc. — 9.55%
  2. Rubric Capital Management LP — 9.12%
  3. Hotchkis & Wiley Capital Management LLC — 7.76%
  4. Dimensional Fund Advisors LP — 5.49%
  5. Mangrove Partners IM LLC — 4.80%
  6. Allspring Global Investments Holdings LLC — 3.94%
Learn More about top institutional investors of Ecovyst stock.

Which institutional investors are selling Ecovyst stock?

In the last quarter, ECVT stock was sold by these institutional investors:
  1. Hotchkis & Wiley Capital Management LLC
  2. Alliancebernstein L.P.
  3. Shapiro Capital Management LLC
  4. Harbor Capital Advisors Inc.
  5. Medina Value Partners LLC
  6. Citadel Advisors LLC
  7. Allspring Global Investments Holdings LLC
  8. UBS Group AG

Which institutional investors are buying Ecovyst stock?

Within the previous quarter, ECVT stock was acquired by institutional investors including:
  1. Rubric Capital Management LP
  2. Oaktree Capital Management LP
  3. Invenomic Capital Management LP
  4. Mangrove Partners IM LLC
  5. Simcoe Capital Management LLC
  6. Arrowstreet Capital Limited Partnership
  7. Ameriprise Financial Inc.
  8. Vanguard Group Inc.
In the previous year, these company insiders have bought Ecovyst stock:
  1. Joseph S Koscinski (Insider)
  2. Susan F Ward (Director)
Learn More investors buying Ecovyst stock.