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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, Q3 2025

Institutional positions in Ecovyst Inc. as of Sep 30, 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
169
−7 vs. Q2 2025
Shares held
118.2M
−756.6K (−0.6%) vs. Q2 2025
Total value
$1.03B
+$58.6M (+6.0%) vs. Q2 2025
New holders
30
64 more added
Sold out
37
51 more reduced

2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 169 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 heldQ3 2025: $1.03B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Ecovyst Inc.; share changes are against Q2 2025.

Institutions holding ECVT in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc10,921,217$95.7M0.00%+267,695+2.5%Added
Rubric Capital Management LP10,400,000$91.1M1.22%+5,692,653+120.9%Added
BlackRock, Inc.10,268,736$90.0M0.00%+103,070+1.0%Added
Hotchkis & Wiley Capital Management LLC8,852,152$77.5M0.24%−2,366,643−21.1%Reduced
Dimensional Fund Advisors LP6,257,072$54.8M0.01%+77,374+1.3%Added
Brown Advisory Inc5,474,867$48.0M0.06%+5,474,867New
Mangrove Partners5,474,057$48.0M3.54%+935,647+20.6%Added
Allspring Global Investments Holdings, LLC4,506,862$38.6M0.06%−361,859−7.4%Reduced
Shapiro Capital Management LLC3,910,397$34.3M1.48%−1,686,246−30.1%Reduced
Boston Partners3,225,459$28.1M0.03%−16,826−0.5%Reduced
William Blair Investment Management, LLC3,014,160$26.4M0.07%−182,742−5.7%Reduced
Oaktree Capital Management LPSuperinvestorOaktree Capital2,859,022$25.0M0.42%+2,859,022New
Geode Capital Management, LLC2,707,720$23.7M0.00%+180,763+7.2%Added
State Street Corp2,525,540$22.1M0.00%−33,607−1.3%Reduced
Charles Schwab Investment Management Inc2,243,379$19.7M0.00%+78,392+3.6%Added
First Wilshire Securities Management Inc2,182,895$19.1M5.09%−17,690−0.8%Reduced
Medina Singh Partners, LLC2,160,140$18.9M4.42%−1,007,350−31.8%Reduced
Ameriprise Financial Inc2,149,744$18.8M0.00%+559,700+35.2%Added
Invenomic Capital Management LP1,909,686$16.7M0.87%+1,909,686New
Owls Nest Partners IA, LLC1,651,060$14.5M4.02%+1,129,489+216.6%Added
Thompson Siegel & Walmsley LLC1,522,555$13.3M0.22%+6,662+0.4%Added
Loomis Sayles & Co L P1,259,769$11.0M0.01%+209,799+20.0%Added
Point72 Asset Management, L.P.1,224,171$10.7M0.02%−19,396−1.6%Reduced
Morgan Stanley1,100,468$9.64M0.00%+681,185+162.5%Added
Northern Trust Corp1,016,816$8.91M0.00%+74,785+7.9%Added
Needham Investment Management LLC980,000$8.58M0.60%+60,000+6.5%Added
Goldman Sachs Group Inc970,939$8.51M0.00%+110,869+12.9%Added
Brigade Capital Management, LP817,255$7.16M3.95%00.0%Unchanged
Bank of America Corp771,876$6.76M0.00%−208,947−21.3%Reduced
Simcoe Capital Management, LLC767,640$6.72M0.97%+767,640New
JPMorgan Chase & Co722,718$6.33M0.00%+424,353+142.2%Added
Bridgeway Capital Management, LLC710,099$6.22M0.13%+44,829+6.7%Added
Arrowstreet Capital, Limited Partnership688,517$6.03M0.00%+672,863+4,298.3%Added
Nuveen, LLC637,468$5.58M0.00%−79,444−11.1%Reduced
D. E. Shaw & Co., Inc.562,131$4.92M0.00%+562,131New
Ballast Asset Management, LP560,137$4.91M2.24%+4,764+0.9%Added
State of Wisconsin Investment Board542,465$4.75M0.01%−15,307−2.7%Reduced
Harbor Capital Advisors, Inc.478,951$4.20M0.33%−1,519,218−76.0%Reduced
Empowered Funds, LLC423,224$3.71M0.04%+44,829+11.8%Added
Bank of New York Mellon Corp396,020$3.47M0.00%+36,964+10.3%Added
Forest Hill Capital, LLC391,900$3.43M2.02%00.0%Unchanged
CastleKnight Management LP367,148$3.22M0.17%−601,000−62.1%Reduced
Invesco Ltd.351,697$3.08M0.00%+118,061+50.5%Added
Raymond James Financial Inc346,137$3.03M0.00%00.0%Unchanged
American Century Companies Inc345,021$3.02M0.00%+30,484+9.7%Added
LSV Asset Management328,100$2.87M0.01%−9,000−2.7%Reduced
Wedge Capital Management L L P322,598$2.83M0.05%−27,426−7.8%Reduced
Allianz Asset Management GmbH319,726$2.80M0.00%+226,386+242.5%Added
Cove Street Capital, LLC313,713$2.75M3.59%−255,961−44.9%Reduced
Umb Bank N A272,651$2.39M0.04%−245,933−47.4%Reduced
Barclays PLC248,233$2.17M0.00%+41,516+20.1%Added
Renaissance Technologies LLC240,700$2.11M0.00%−7,900−3.2%Reduced
Nierenberg Investment Management Company, Inc.228,810$2.00M1.11%00.0%Unchanged
Swiss National Bank227,600$1.99M0.00%+13,200+6.2%Added
Y-Intercept (Hong Kong) Ltd226,182$1.98M0.05%+226,182New
UBS Asset Management Americas Inc214,529$1.88M0.00%−119,430−35.8%Reduced
FMR LLC206,677$1.81M0.00%+201,387+3,806.9%Added
SEI Investments Co183,292$1.61M0.00%−235−0.1%Reduced
Rhumbline Advisers177,791$1.56M0.00%+5,740+3.3%Added
Clearline Capital LP168,144$1.47M0.13%+168,144New
Easterly Investment Partners LLC167,976$1.47M0.10%+110+0.1%Added
Atom Investors LP166,714$1.46M0.11%−22,103−11.7%Reduced
AQR Capital Management LLC155,142$1.36M0.00%+87,042+127.8%Added
Legal & General Group Plc132,077$1.16M0.00%+230.0%Added
Prudential Financial Inc131,700$1.15M0.00%−293,350−69.0%Reduced
Brevan Howard Capital Management LP130,184$1.14M0.02%+106,935+460.0%Added
Amundi132,511$1.12M0.00%−2,918−2.2%Reduced
Alliancebernstein L.P.124,260$1.09M0.00%−2,366,349−95.0%Reduced
HSBC Holdings PLC118,530$1.04M0.00%+102,630+645.5%Added
California State Teachers Retirement System118,159$1.04M0.00%+16,024+15.7%Added
Federated Hermes, Inc.115,745$1.01M0.00%+11,845+11.4%Added
Jane Street Group, LLC103,359$905.4K0.00%−144,143−58.2%Reduced
Wells Fargo & Company102,671$899.4K0.00%+22,061+27.4%Added
Price T Rowe Associates Inc88,864$779.0K0.00%+8,983+11.2%Added
Quantinno Capital Management LP88,415$774.5K0.00%+40,584+84.8%Added
Quest Partners LLC87,669$768.0K0.05%+78,627+869.6%Added
UBS Group AG87,455$766.1K0.00%−261,043−74.9%Reduced
Campbell & CO Investment Adviser LLC83,288$729.6K0.06%+26,764+47.3%Added
Dark Forest Capital Management LP82,094$719.1K0.03%−84,972−50.9%Reduced
Deutsche Bank AG80,733$707.2K0.00%+10,697+15.3%Added
Franklin Resources Inc71,025$622.2K0.00%−6,158−8.0%Reduced
RBF Capital, LLC69,956$612.8K0.03%00.0%Unchanged
Comerica Bank69,608$609.8K0.00%00.0%Unchanged
MetLife Investment Management66,451$582.1K0.00%00.0%Unchanged
Sterling Capital Management LLC57,385$502.7K0.01%+5,169+9.9%Added
Mirae Asset Global ETFs Holdings Ltd.54,432$476.8K0.00%+54,432New
Manufacturers Life Insurance Company, The52,933$463.7K0.00%+13,314+33.6%Added
CWM Advisors, LLC51,777$453.6K0.04%+51,777New
Zurcher Kantonalbank (Zurich Cantonalbank)51,292$449.3K0.00%+2,124+4.3%Added
Boothbay Fund Management, LLC49,995$438.0K0.01%−199,779−80.0%Reduced
Verition Fund Management LLC49,581$434.3K0.00%−42,856−46.4%Reduced
Intech Investment Management LLC45,468$398.3K0.00%−7,373−14.0%Reduced
Janus Henderson Group PLC43,376$380.2K0.00%+10,153+30.6%Added
Clear Harbor Asset Management, LLC40,000$350.4K0.02%+40,000New
Arizona State Retirement System34,740$304.3K0.00%+2,195+6.7%Added
Net Worth Advisory Group33,113$290.1K0.08%+33,113New
Police & Firemen's Retirement System of New Jersey31,922$279.6K0.00%+7,671+31.6%Added
SG Americas Securities, LLC31,906$279.0K0.00%+31,906New
Citadel Advisors LLC30,720$269.1K0.00%−671,728−95.6%Reduced
New York State Common Retirement Fund29,081$254.8K0.00%00.0%Unchanged