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Ecovyst Inc.

ECVT
Exchange
NYSE
Industry
Chemicals & Allied Products
SEC CIK
0001708035

In the last 90 days, Ecovyst Inc. insiders filed 1 open-market purchase and 0 sales; 208 institutions reported holding it in 13F filings for Q2 2026, worth $1.37B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Ecovyst Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
162
−4 vs. Q3 2025
Shares held
116.7M
−1.21M (−1.0%) vs. Q3 2025
Total value
$1.14B
+$104.4M (+10.1%) vs. Q3 2025
New holders
20
47 more added
Sold out
24
61 more reduced

3 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ECVT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 162 institutions
Q1 2021: 0 institutionsQ2 2021: 1 institutionQ3 2021: 105 institutionsQ4 2021: 123 institutionsQ1 2022: 116 institutionsQ2 2022: 128 institutionsQ3 2022: 142 institutionsQ4 2022: 171 institutionsQ1 2023: 166 institutionsQ2 2023: 153 institutionsQ3 2023: 152 institutionsQ4 2023: 162 institutionsQ1 2024: 148 institutionsQ2 2024: 151 institutionsQ3 2024: 158 institutionsQ4 2024: 169 institutionsQ1 2025: 162 institutionsQ2 2025: 178 institutionsQ3 2025: 169 institutionsQ4 2025: 162 institutionsQ1 2026: 198 institutionsQ2 2026: 208 institutions
Value heldQ4 2025: $1.14B
Q1 2021: $0Q2 2021: $2.28MQ3 2021: $544.8MQ4 2021: $1.06BQ1 2022: $1.20BQ2 2022: $1.02BQ3 2022: $815.5MQ4 2022: $777.5MQ1 2023: $965.0MQ2 2023: $1.17BQ3 2023: $1.01BQ4 2023: $1.01BQ1 2024: $1.18BQ2 2024: $966.5MQ3 2024: $733.4MQ4 2024: $787.8MQ1 2025: $663.4MQ2 2025: $976.6MQ3 2025: $1.03BQ4 2025: $1.14BQ1 2026: $1.44BQ2 2026: $1.37B
Institutions holding ECVT and their total value by quarter
QuarterHoldersValue
Q2 2026208$1.37B
Q1 2026198$1.44B
Q4 2025162$1.14B
Q3 2025169$1.03B
Q2 2025178$976.6M
Q1 2025162$663.4M
Q4 2024169$787.8M
Q3 2024158$733.4M
Q2 2024151$966.5M
Q1 2024148$1.18B
Q4 2023162$1.01B
Q3 2023152$1.01B
Q2 2023153$1.17B
Q1 2023166$965.0M
Q4 2022171$777.5M
Q3 2022142$815.5M
Q2 2022128$1.02B
Q1 2022116$1.20B
Q4 2021123$1.06B
Q3 2021105$544.8M
Q2 20211$2.28M
Q1 20210$0

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Ecovyst Inc.; share changes are against Q3 2025.

Institutions holding ECVT in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc11,112,611$108.1M0.00%+191,394+1.8%Added
Rubric Capital Management LP10,500,000$102.2M1.22%+100,000+1.0%Added
BlackRock, Inc.10,447,946$101.7M0.00%+179,210+1.7%Added
Hotchkis & Wiley Capital Management LLC9,568,392$93.1M0.28%+716,240+8.1%Added
Dimensional Fund Advisors LP6,387,278$62.1M0.01%+130,206+2.1%Added
Mangrove Partners5,447,873$53.0M4.32%−26,184−0.5%Reduced
Brown Advisory Inc5,024,810$48.9M0.07%−450,057−8.2%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital4,254,503$41.4M0.67%+1,395,481+48.8%Added
Allspring Global Investments Holdings, LLC4,127,390$40.9M0.07%−379,472−8.4%Reduced
William Blair Investment Management, LLC2,728,749$26.6M0.07%−285,411−9.5%Reduced
Geode Capital Management, LLC2,677,764$26.1M0.00%−29,956−1.1%Reduced
State Street Corp2,543,242$24.7M0.00%+17,702+0.7%Added
Shapiro Capital Management LLC2,279,592$22.2M1.17%−1,630,805−41.7%Reduced
Charles Schwab Investment Management Inc2,271,907$22.1M0.00%+28,528+1.3%Added
Medina Singh Partners, LLC2,192,017$21.3M4.98%+31,877+1.5%Added
First Wilshire Securities Management Inc2,174,934$21.2M5.32%−7,961−0.4%Reduced
Ameriprise Financial Inc2,153,679$21.0M0.00%+3,935+0.2%Added
Brightline Capital Management, LLC2,050,000$19.9M8.06%+2,050,000New
Invenomic Capital Management LP1,906,840$18.6M0.90%−2,846−0.1%Reduced
Owls Nest Partners IA, LLC1,826,120$17.8M4.92%+175,060+10.6%Added
Arrowstreet Capital, Limited Partnership1,393,092$13.6M0.01%+704,575+102.3%Added
Thompson Siegel & Walmsley LLC1,366,711$13.3M0.22%−155,844−10.2%Reduced
Point72 Asset Management, L.P.1,282,667$12.5M0.02%+58,496+4.8%Added
Loomis Sayles & Co L P1,268,450$12.3M0.01%+8,681+0.7%Added
Needham Investment Management LLC1,020,000$9.92M0.63%+40,000+4.1%Added
Northern Trust Corp913,916$8.89M0.00%−102,900−10.1%Reduced
GWM Advisors LLC895,364$8.71M0.03%+895,364New
Goldman Sachs Group Inc828,289$8.06M0.00%−142,650−14.7%Reduced
Brigade Capital Management, LP817,255$7.95M4.50%00.0%Unchanged
Bridgeway Capital Management, LLC808,547$7.87M0.16%+98,448+13.9%Added
Morgan Stanley756,208$7.36M0.00%−344,260−31.3%Reduced
Bank of America Corp682,184$6.64M0.00%−89,692−11.6%Reduced
American Century Companies Inc616,504$6.00M0.00%+271,483+78.7%Added
Harbor Capital Advisors, Inc.584,647$5.69M0.44%+105,696+22.1%Added
Ballast Asset Management, LP540,845$5.26M2.49%−19,292−3.4%Reduced
State of Wisconsin Investment Board535,412$5.21M0.01%−7,053−1.3%Reduced
Empowered Funds, LLC521,672$5.08M0.09%+98,448+23.3%Added
SEI Investments Co520,169$5.06M0.00%+336,877+183.8%Added
Allianz Asset Management GmbH519,210$5.05M0.01%+199,484+62.4%Added
JPMorgan Chase & Co456,992$4.45M0.00%−265,726−36.8%Reduced
FMR LLC436,071$4.24M0.00%+229,394+111.0%Added
Kestrel Investment Management Corp407,600$3.96M2.25%+407,600New
Forest Hill Capital, LLC391,900$3.81M1.95%00.0%Unchanged
Bank of New York Mellon Corp387,841$3.77M0.00%−8,179−2.1%Reduced
CastleKnight Management LP367,148$3.57M0.20%00.0%Unchanged
SG Americas Securities, LLC331,184$3.22M0.00%+299,278+938.0%Added
Nuveen, LLC315,988$3.07M0.00%−321,480−50.4%Reduced
Wedge Capital Management L L P315,824$3.07M0.06%−6,774−2.1%Reduced
UBS Group AG282,370$2.75M0.00%+194,915+222.9%Added
Invesco Ltd.273,358$2.66M0.00%−78,339−22.3%Reduced
Umb Bank N A272,651$2.65M0.04%00.0%Unchanged
Barclays PLC230,351$2.24M0.00%−17,882−7.2%Reduced
Renaissance Technologies LLC230,100$2.24M0.00%−10,600−4.4%Reduced
Nierenberg Investment Management Company, Inc.228,810$2.23M1.12%00.0%Unchanged
Swiss National Bank225,600$2.20M0.00%−2,000−0.9%Reduced
UBS Asset Management Americas Inc203,839$1.98M0.00%−10,690−5.0%Reduced
Easterly Investment Partners LLC167,976$1.63M0.10%00.0%Unchanged
Rhumbline Advisers152,390$1.48M0.00%−25,401−14.3%Reduced
Atom Investors LP149,116$1.45M0.12%−17,598−10.6%Reduced
LSV Asset Management146,300$1.42M0.00%−181,800−55.4%Reduced
Wells Fargo & Company143,468$1.40M0.00%+40,797+39.7%Added
RBF Capital, LLC139,912$1.36M0.03%+69,956+100.0%Added
Hartree Partners, LP135,000$1.31M0.48%+135,000New
Alliancebernstein L.P.124,260$1.21M0.00%00.0%Unchanged
Legal & General Group Plc118,632$1.15M0.00%−13,445−10.2%Reduced
Bleakley Financial Group, LLC117,400$1.14M0.02%+117,400New
Federated Hermes, Inc.116,545$1.13M0.00%+800+0.7%Added
California State Teachers Retirement System114,815$1.12M0.00%−3,344−2.8%Reduced
Price T Rowe Associates Inc93,364$909.0K0.00%+4,500+5.1%Added
Deutsche Bank AG84,462$821.8K0.00%+3,729+4.6%Added
Quantinno Capital Management LP77,327$752.4K0.00%−11,088−12.5%Reduced
Clear Harbor Asset Management, LLC77,200$751.2K0.05%+37,200+93.0%Added
AQR Capital Management LLC74,001$720.0K0.00%−81,141−52.3%Reduced
Franklin Resources Inc71,025$691.1K0.00%00.0%Unchanged
Comerica Bank66,314$645.2K0.00%−3,294−4.7%Reduced
First Trust Advisors LP65,027$632.7K0.00%+65,027New
Canada Pension Plan Investment Board64,600$628.6K0.00%+64,600New
MetLife Investment Management61,218$595.7K0.00%−5,233−7.9%Reduced
Verition Fund Management LLC60,003$583.8K0.00%+10,422+21.0%Added
Sterling Capital Management LLC55,989$544.8K0.01%−1,396−2.4%Reduced
Brevan Howard Capital Management LP53,786$523.3K0.01%−76,398−58.7%Reduced
Mirae Asset Global ETFs Holdings Ltd.53,040$516.1K0.00%−1,392−2.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)51,292$499.1K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The50,158$488.0K0.00%−2,775−5.2%Reduced
CWM Advisors, LLC47,959$466.6K0.04%−3,818−7.4%Reduced
Campbell & CO Investment Adviser LLC47,245$459.7K0.02%−36,043−43.3%Reduced
Intech Investment Management LLC45,468$442.4K0.00%00.0%Unchanged
Janus Henderson Group PLC43,376$422.3K0.00%00.0%Unchanged
EP Wealth Advisors, LLC40,869$397.7K0.00%+40,869New
Quest Partners LLC38,348$373.1K0.02%−49,321−56.3%Reduced
Two Sigma Advisers, LP36,200$352.2K0.00%+15,000+70.8%Added
Net Worth Advisory Group32,490$316.1K0.06%−623−1.9%Reduced
VARCOV Co.32,223$313.5K0.12%+32,223New
Police & Firemen's Retirement System of New Jersey31,922$310.6K0.00%00.0%Unchanged
Arizona State Retirement System31,911$310.5K0.00%−2,829−8.1%Reduced
Creative Planning31,413$305.6K0.00%+2,791+9.8%Added
EntryPoint Capital, LLC30,096$292.8K0.11%+30,096New
New York State Common Retirement Fund29,081$283.0K0.00%00.0%Unchanged
D. E. Shaw & Co., Inc.28,826$280.5K0.00%−533,305−94.9%Reduced
Citadel Advisors LLC28,787$280.1K0.00%−1,933−6.3%Reduced