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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
116.6M
−918.4K (−0.8%) vs. Q3 2025
Total value
$1.14B
+$106.9M (+10.4%) vs. Q3 2025
New holders
20
47 more added
Sold out
24
60 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: $815.0MQ4 2022: $777.5MQ1 2023: $962.4MQ2 2023: $1.17BQ3 2023: $1.01BQ4 2023: $992.8MQ1 2024: $1.16BQ2 2024: $952.6MQ3 2024: $730.7MQ4 2024: $787.8MQ1 2025: $663.2MQ2 2025: $976.2MQ3 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$976.2M
Q1 2025162$663.2M
Q4 2024169$787.8M
Q3 2024158$730.7M
Q2 2024151$952.6M
Q1 2024148$1.16B
Q4 2023162$992.8M
Q3 2023152$1.01B
Q2 2023153$1.17B
Q1 2023166$962.4M
Q4 2022171$777.5M
Q3 2022142$815.0M
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
Hartree Partners, LP135,000$1.31M0.48%+135,000New
Wells Fargo & Company143,468$1.40M0.00%+40,797+39.7%Added
LSV Asset Management146,300$1.42M0.00%−181,800−55.4%Reduced
Atom Investors LP149,116$1.45M0.12%−17,598−10.6%Reduced
Rhumbline Advisers152,390$1.48M0.00%−25,401−14.3%Reduced
Easterly Investment Partners LLC167,976$1.63M0.10%00.0%Unchanged
UBS Asset Management Americas Inc203,839$1.98M0.00%−10,690−5.0%Reduced
Swiss National Bank225,600$2.20M0.00%−2,000−0.9%Reduced
Nierenberg Investment Management Company, Inc.228,810$2.23M1.12%00.0%Unchanged
Renaissance Technologies LLC230,100$2.24M0.00%−10,600−4.4%Reduced
Barclays PLC230,351$2.24M0.00%−17,882−7.2%Reduced
Umb Bank N A272,651$2.65M0.04%00.0%Unchanged
Invesco Ltd.273,358$2.66M0.00%−78,339−22.3%Reduced
UBS Group AG282,370$2.75M0.00%+194,915+222.9%Added
Wedge Capital Management L L P315,824$3.07M0.06%−6,774−2.1%Reduced
Nuveen, LLC315,988$3.07M0.00%−321,480−50.4%Reduced
SG Americas Securities, LLC331,184$3.22M0.00%+299,278+938.0%Added
CastleKnight Management LP367,148$3.57M0.20%00.0%Unchanged
Bank of New York Mellon Corp387,841$3.77M0.00%−8,179−2.1%Reduced
Forest Hill Capital, LLC391,900$3.81M1.95%00.0%Unchanged
Kestrel Investment Management Corp407,600$3.96M2.25%+407,600New
FMR LLC436,071$4.24M0.00%+229,394+111.0%Added
JPMorgan Chase & Co456,992$4.45M0.00%+95,633+26.5%Added
Allianz Asset Management GmbH519,210$5.05M0.01%+199,484+62.4%Added
SEI Investments Co520,169$5.06M0.00%+336,877+183.8%Added
Empowered Funds, LLC521,672$5.08M0.09%+98,448+23.3%Added
State of Wisconsin Investment Board535,412$5.21M0.01%−7,053−1.3%Reduced
Ballast Asset Management, LP540,845$5.26M2.49%−19,292−3.4%Reduced
Harbor Capital Advisors, Inc.584,647$5.69M0.44%+105,696+22.1%Added
American Century Companies Inc616,504$6.00M0.00%+271,483+78.7%Added
Bank of America Corp682,184$6.64M0.00%−89,692−11.6%Reduced
Morgan Stanley756,208$7.36M0.00%−344,260−31.3%Reduced
Bridgeway Capital Management, LLC808,547$7.87M0.16%+98,448+13.9%Added
Brigade Capital Management, LP817,255$7.95M4.50%00.0%Unchanged
Goldman Sachs Group Inc828,289$8.06M0.00%−142,650−14.7%Reduced
GWM Advisors LLC895,364$8.71M0.03%+895,364New
Northern Trust Corp913,916$8.89M0.00%−102,900−10.1%Reduced
Needham Investment Management LLC1,020,000$9.92M0.63%+40,000+4.1%Added
Loomis Sayles & Co L P1,268,450$12.3M0.01%+8,681+0.7%Added
Point72 Asset Management, L.P.1,282,667$12.5M0.02%+58,496+4.8%Added
Thompson Siegel & Walmsley LLC1,366,711$13.3M0.22%−155,844−10.2%Reduced
Arrowstreet Capital, Limited Partnership1,393,092$13.6M0.01%+704,575+102.3%Added
Owls Nest Partners IA, LLC1,826,120$17.8M4.92%+175,060+10.6%Added
Invenomic Capital Management LP1,906,840$18.6M0.90%−2,846−0.1%Reduced
Brightline Capital Management, LLC2,050,000$19.9M8.06%+2,050,000New
Ameriprise Financial Inc2,153,679$21.0M0.00%+3,935+0.2%Added
First Wilshire Securities Management Inc2,174,934$21.2M5.32%−7,961−0.4%Reduced
Medina Singh Partners, LLC2,192,017$21.3M4.98%+31,877+1.5%Added
Charles Schwab Investment Management Inc2,271,907$22.1M0.00%+28,528+1.3%Added
Shapiro Capital Management LLC2,279,592$22.2M1.17%−1,630,805−41.7%Reduced
State Street Corp2,543,242$24.7M0.00%+17,702+0.7%Added
Geode Capital Management, LLC2,677,764$26.1M0.00%−29,956−1.1%Reduced
William Blair Investment Management, LLC2,728,749$26.6M0.07%−285,411−9.5%Reduced
Allspring Global Investments Holdings, LLC4,127,390$40.9M0.07%−379,472−8.4%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital4,254,503$41.4M0.67%+1,395,481+48.8%Added
Brown Advisory Inc5,024,810$48.9M0.07%−450,057−8.2%Reduced
Mangrove Partners5,447,873$53.0M4.32%−26,184−0.5%Reduced
Dimensional Fund Advisors LP6,387,278$62.1M0.01%+130,206+2.1%Added
Hotchkis & Wiley Capital Management LLC9,568,392$93.1M0.28%+716,240+8.1%Added
BlackRock, Inc.10,447,946$101.7M0.00%+179,210+1.7%Added
Rubric Capital Management LP10,500,000$102.2M1.22%+100,000+1.0%Added
Vanguard Group Inc11,112,611$108.1M0.00%+191,394+1.8%Added
Boston Partners0$00.00%−3,225,459−100.0%Sold out
Simcoe Capital Management, LLC0$00.00%−767,640−100.0%Sold out
Raymond James Financial Inc0$00.00%−346,137−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−226,182−100.0%Sold out
Clearline Capital LP0$00.00%−168,144−100.0%Sold out
Prudential Financial Inc0$00.00%−131,700−100.0%Sold out
HSBC Holdings PLC0$00.00%−118,530−100.0%Sold out
Squarepoint Ops LLC0$00.00%−28,499−100.0%Sold out
LPL Financial LLC0$00.00%−23,251−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−23,062−100.0%Sold out
Prelude Capital Management, LLC0$00.00%−21,100−100.0%Sold out
DRW Securities, LLC0$00.00%−22,019−100.0%Sold out
Petrus Trust Company, LTA0$00.00%−16,119−100.0%Sold out
Teacher Retirement System of Texas0$00.00%−15,334−100.0%Sold out
Cerity Partners LLC0$00.00%−14,309−100.0%Sold out
PharVision Advisers, LLC0$00.00%−11,580−100.0%Sold out
Omers Administration Corp0$00.00%−11,100−100.0%Sold out
Landscape Capital Management, L.L.C.0$00.00%−10,108−100.0%Sold out
Parkside Financial Bank & Trust0$00.00%−5,893−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−2,630−100.0%Sold out
Quarry LP0$00.00%−1,895−100.0%Sold out
Spire Wealth Management0$00.00%−347−100.0%Sold out
Bruce G. Allen Investments, LLC0$00.00%−62−100.0%Sold out
Wealthspire Advisors, LLC0$00.00%−10−100.0%Sold out
Cove Street Capital, LLC––––Not filed
CIBC Bancorp USA Inc.––––Not filed
Point72 Asia (Singapore) Pte. Ltd.––––Not filed