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Ecovyst Inc (ECVT)

CUSIP: 27923Q109 | NYSE | Basic Materials · Specialty Chemicals | Small Cap | 459 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
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Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13GFMR LLC8,475,5387.7%New 5%+ stakeSep 30, 20265,333,701 sh (Jun 30, 2026)
13GFMR LLC8,475,538
7.7% of class · Sep 30, 2026New 5%+ stake
5,333,701 sh (Jun 30, 2026)

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP6,684,883
0.0% of portfolio›$65.7M
Allspring Global Investments Holdings, LLC1,319,750
0.0% of portfolio›$13.1M
Ballast Asset Management, LP532,577
2.3% of portfolio›$5.2M
UniSuper Management Pty Ltd419,639
0.0% of portfolio›$4.1M
Bank of New York Mellon Corp405,803
0.0% of portfolio›$4.0M
Kestrel Investment Management Corp377,500
2.1% of portfolio›$3.7M
Simcoe Capital LLC374,675
2.5% of portfolio›$3.7M
Principal Financial Group Inc288,463
0.0% of portfolio›$2.8M
Thrivent Financial for Lutherans269,214
0.0% of portfolio›$2.6M
Wedge Capital Management L L P186,086
0.0% of portfolio›$1.8M
CenterBook Partners LP133,340
0.1% of portfolio›$1.3M
Virginia Retirement Systems ET Al117,400
0.0% of portfolio›$1.2M
Strs Ohio108,400
0.0% of portfolio›$1.1M
Verdence Capital Advisors LLC104,200
0.0% of portfolio›$1.0M
CWA Asset Management Group, LLC97,429
0.0% of portfolio›$957.7K
Harbor Capital Advisors, Inc.82,392
0.1% of portfolio›$810.0K
Clear Harbor Asset Management, LLC76,575
0.0% of portfolio›$752.7K
Inspire Investing, LLC64,768
0.0% of portfolio›$636.7K
Creative Planning54,682
0.0% of portfolio›$537.5K
Counterpoint Mutual Funds LLC54,468
0.0% of portfolio›$535.4K
Sterling Capital Management LLC34,591
0.0% of portfolio›$340.0K
Ashton Thomas Private Wealth, LLC33,820
0.0% of portfolio›$332.5K
Fifth Third Bancorp33,071
0.0% of portfolio›$325.1K
Arizona State Retirement System30,838
0.0% of portfolio›$303.1K
Ritholtz Wealth Management28,516
0.0% of portfolio›$280.3K
Citigroup Inc27,697
0.0% of portfolio›$272.3K
Brooklands Fund Management Ltd25,000
0.0% of portfolio›$245.8K
Compass Financial Management LLC24,475
0.0% of portfolio›$240.6K
State of Alaska, Department of Revenue22,972
0.0% of portfolio›$225.0K
Seven Mile Advisory21,489
0.1% of portfolio›$211.2K
Net Worth Advisory Group20,530
0.1% of portfolio›$204.5K
Premier Fund Managers Ltd19,890
0.1% of portfolio›$195.0K
State of Wyoming19,544
0.0% of portfolio›$192.1K
Nisa Investment Advisors, LLC18,659
0.0% of portfolio›$183.4K
Ethic Inc.18,267
0.0% of portfolio›$179.6K
Pictet Asset Management Holding SA18,066
0.0% of portfolio›$177.6K
King Luther Capital Management Corp16,500
0.0% of portfolio›$162.2K
ProShare Advisors LLC13,865
0.0% of portfolio›$136.3K
DekaBank Deutsche Girozentrale13,605
0.0% of portfolio›$133.0K
Wedbush Securities Inc12,581
0.0% of portfolio›$124.0K
Cape Investment Advisory, Inc.11,800
0.0% of portfolio›$116.0K
Olympiad Research LP11,156
0.1% of portfolio›$109.7K
111 Capital10,521
0.0% of portfolio›$103.4K
Xponance LLC10,420
0.0% of portfolio›$102.4K
New York State Teachers Retirement System10,397
0.0% of portfolio›$102.0K
Oak Thistle LLC10,051
0.0% of portfolio›$98.8K
Versant Capital Management, Inc9,416
0.0% of portfolio›$92.6K
OP Asset Management Ltd5,963
0.0% of portfolio›$58.6K
Farther Finance Advisors, LLC3,622
0.0% of portfolio›$35.6K
Caitong International Asset Management Co., Ltd2,484
0.0% of portfolio›$24.4K
SBI Securities Co., Ltd.2,240
0.0% of portfolio›$22.0K
Gamma Investing LLC2,234
0.0% of portfolio›$22.0K
Fortitude Family Office, LLC1,433
0.0% of portfolio›$14.1K
Parallel Advisors, LLC859
0.0% of portfolio›$8.4K
GGM Financial LLC764
0.0% of portfolio›$7.5K
EverSource Wealth Advisors, LLC474
0.0% of portfolio›$4.7K
Essential Partners LLC348
0.0% of portfolio›$3.4K
Larson Financial Group LLC253
0.0% of portfolio›$2.5K
US Bancorp \de\252
0.0% of portfolio›$2.5K
True Wealth Design, LLC148
0.0% of portfolio›$1.5K
MassMutual Private Wealth & Trust, FSB143
0.0% of portfolio›$1.4K
Ascentis Wealth Management, LLC139
0.0% of portfolio›$1.4K
SJS Investment Consulting Inc.92
0.0% of portfolio›$905
IFP Advisors, Inc44
0.0% of portfolio›$433
Covestor Ltd23
0.0% of portfolio›$0
Silver Grove Financial Group, Inc.22
0.0% of portfolio›$216
Assetmark, Inc1
0.0% of portfolio›$10
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
6,684,883$65.7M0.0%IndexLowAustin, TX2026-11-04
Allspring Global Investments Holdings, LLC
1,319,750$13.1M0.0%CoreMediumCharlotte, NC2026-11-04
Ballast Asset Management, LP
532,577$5.2M2.3%Deep ValueLowDallas, TX2026-11-04
UniSuper Management Pty Ltd
419,639$4.1M0.0%GrowthLowMelbourne, Victoria, China2026-10-26
Bank of New York Mellon Corp
405,803$4.0M0.0%CoreLowNew York, NY2026-11-05
Kestrel Investment Management Corp
377,500$3.7M2.1%Deep ValueMediumSan Mateo, CA2026-11-02
Simcoe Capital LLC
374,675$3.7M2.5%YieldHighSpokane, WA2026-11-05
Principal Financial Group Inc
288,463$2.8M0.0%CoreLowDes Moines, IA2026-11-02
Thrivent Financial for Lutherans
269,214$2.6M0.0%GARPMediumMinneapolis, MN2026-11-05
Wedge Capital Management L L P
186,086$1.8M0.0%ValueMediumCharlotte, NC2026-10-13
CenterBook Partners LP
133,340$1.3M0.1%ValueVery HighGreenwich, CT2026-11-02
Virginia Retirement Systems ET Al
117,400$1.2M0.0%CoreMediumRichmond, VA2026-10-28
Strs Ohio
108,400$1.1M0.0%CoreMediumColumbus, OH2026-10-30
Verdence Capital Advisors LLC
104,200$1.0M0.0%CoreMediumHunt Valley, MD2026-10-26
CWA Asset Management Group, LLC
97,429$957.7K0.0%CoreMediumNaples, FL2026-10-19
Harbor Capital Advisors, Inc.
82,392$810.0K0.1%ValueHighChicago, IL2026-10-22
Clear Harbor Asset Management, LLC
76,575$752.7K0.0%CoreLowStamford, CT2026-11-05
Inspire Investing, LLC
64,768$636.7K0.0%GARPHighMeridian, ID2026-10-22
Creative Planning
54,682$537.5K0.0%IndexVery LowOverland Park, KS2026-11-02
Counterpoint Mutual Funds LLC
54,468$535.4K0.0%Deep ValueVery HighSan Diego, CA2026-10-16
Sterling Capital Management LLC
34,591$340.0K0.0%GARPMediumCharlotte, NC2026-10-22
Ashton Thomas Private Wealth, LLC
33,820$332.5K0.0%CoreMediumScottsdale, AZ2026-11-03
Fifth Third Bancorp
33,071$325.1K0.0%IndexVery LowCincinnati, OH2026-11-05
Arizona State Retirement System
30,838$303.1K0.0%IndexVery LowPhoenix, AZ2026-11-03
Ritholtz Wealth Management
28,516$280.3K0.0%IndexLowNew York, NY2026-11-05
Citigroup Inc
27,697$272.3K0.0%CoreMediumNew York, NY2026-11-04
Brooklands Fund Management Ltd
25,000$245.8K0.0%GARPHighLondon, United Kingdom2026-10-28
Compass Financial Management LLC
24,475$240.6K0.0%CoreN/ATampa, FL2026-10-30
State of Alaska, Department of Revenue
22,972$225.0K0.0%CoreVery LowJuneau, AK2026-10-15
Seven Mile Advisory
21,489$211.2K0.1%GrowthLowTallahassee, FL2026-10-22
Net Worth Advisory Group
20,530$204.5K0.1%GARPMediumSandy, UT2026-10-20
Premier Fund Managers Ltd
19,890$195.0K0.1%MomentumMediumLondon, United Kingdom2026-11-02
State of Wyoming
19,544$192.1K0.0%ValueHighCheyenne, WY2026-10-28
Nisa Investment Advisors, LLC
18,659$183.4K0.0%IndexVery LowSt. Louis, MO2026-10-20
Ethic Inc.
18,267$179.6K0.0%CoreLowNew York, NY2026-11-03
Pictet Asset Management Holding SA
18,066$177.6K0.0%GrowthMediumCarouge, Switzerland2026-11-03
King Luther Capital Management Corp
16,500$162.2K0.0%CoreLowFort Worth, TX2026-11-05
ProShare Advisors LLC
13,865$136.3K0.0%GrowthLowBethesda, MD2026-10-29
DekaBank Deutsche Girozentrale
13,605$133.0K0.0%CoreLowFrankfurt, Hong Kong2026-10-27
Wedbush Securities Inc
12,581$124.0K0.0%CoreLowPasadena, CA2026-10-22
Cape Investment Advisory, Inc.
11,800$116.0K0.0%ETFLowMcdonough, GA2026-10-13
Olympiad Research LP
11,156$109.7K0.1%Deep ValueVery HighStamford, CT2026-11-04
111 Capital
10,521$103.4K0.0%CoreVery HighParis, India2026-11-03
Xponance LLC
10,420$102.4K0.0%IndexVery LowPhiladelphia, PA2026-11-03
New York State Teachers Retirement System
10,397$102.0K0.0%CoreVery LowAlbany, NY2026-10-22
Oak Thistle LLC
10,051$98.8K0.0%ValueVery HighNew York, NY2026-10-21
Versant Capital Management, Inc
9,416$92.6K0.0%GARPLowPhoenix, AZ2026-10-02
OP Asset Management Ltd
5,963$58.6K0.0%GrowthMediumHelsinki, Hungary2026-11-05
Farther Finance Advisors, LLC
3,622$35.6K0.0%IndexLowSan Francisco, CA2026-10-08
Caitong International Asset Management Co., Ltd
2,484$24.4K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
SBI Securities Co., Ltd.
2,240$22.0K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Gamma Investing LLC
2,234$22.0K0.0%IndexVery LowFoster City, CA2026-10-08
Fortitude Family Office, LLC
1,433$14.1K0.0%ETFMediumScottsdale, AZ2026-10-14
Parallel Advisors, LLC
859$8.4K0.0%IndexLowSan Francisco, CA2026-11-03
GGM Financial LLC
764$7.5K0.0%ETFMediumColumbus, OH2026-11-05
EverSource Wealth Advisors, LLC
474$4.7K0.0%CoreMediumBirmingham, AL2026-11-04
Essential Partners LLC
348$3.4K0.0%ValueMediumRancho Santa Fe, CA2026-10-14
Larson Financial Group LLC
253$2.5K0.0%GrowthLowSt Louis, MO2026-11-05
US Bancorp \de\
252$2.5K0.0%IndexLowMinneapolis, MN2026-11-05
True Wealth Design, LLC
148$1.5K0.0%ETFMediumAkron, OH2026-10-13
MassMutual Private Wealth & Trust, FSB
143$1.4K0.0%CoreLowSpringfield, MA2026-10-05
Ascentis Wealth Management, LLC
139$1.4K0.0%Agg GrowthLowDallas, TX2026-11-03
SJS Investment Consulting Inc.
92$9050.0%ETFVery LowSylvania, OH2026-10-26
IFP Advisors, Inc
44$4330.0%GrowthLowTampa, FL2026-10-16
Covestor Ltd
23$00.0%ValueHighLondon, United Kingdom2026-10-30
Silver Grove Financial Group, Inc.
22$2160.0%CoreMediumOrchard Park, NY2026-11-05
Assetmark, Inc
1$100.0%ETFLowConcord, CA2026-10-21