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ECVT · Ecovyst Inc. · Shareholders & Ownership

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$10.07 -0.06 (-0.59%) At close · Oct 20
Market Cap
$1.10B
Shares
109.47M
Volume · Oct 20 2.07M Avg daily vol (3M) 1.26M

Every disclosed holder of ECVT in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns ECVT

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 109,868,427 100.37%
Insiders (Forms 3, 4, 5) 2,709,643 2.48%
13D/G-only blocks 0 0.00%
Remaining 3,109,672 -2.84%
Registered funds (N-PORT, not summed) 48,896,113 44.67%

Shares outstanding: 109,468,398, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of ECVT

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
10,666,032
1.1
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
2,878,537
1.2
iShares Russell 2000 Growth ETF
Fund S000004343 · Registered fund · Jun 30, 2026
iShares Trust, not summed
799,411
1.3
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
226,417
1.4
Master Small Cap Index Series
Fund S000002716 · Registered fund · Jun 30, 2026
Quantitative Master Series LLC, not summed
206,389
1.5
iShares U.S. Infrastructure ETF
Fund S000061314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
173,652
2
Rubric Capital Management LP
13F CIK 1687509 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
8,211,888
3
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,585,047
3.1
DIMENSIONAL FUND ADVISORS LP
13G CIK 354204 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,585,047
3.2
U.S. SMALL CAP VALUE PORTFOLIO
Fund S000000987 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
1,514,903
3.3
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
852,545
3.4
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
742,804
3.5
Dimensional US Small Cap Value ETF
Fund S000075151 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
630,813
4
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
6,090,922
4.1
VANGUARD PORTFOLIO MANAGEMENT LLC
13G CIK 2100121 · Registered investment adviser · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
6,191,928
5
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
5,333,701
5.1
Fidelity Stock Selector Small Cap Fund
Fund S000005453 · Registered fund · Jul 31, 2026
Fidelity Capital Trust, not summed
1,815,284
5.2
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
1,202,288
5.3
Fidelity Series Small Cap Opportunities Fund
Fund S000015587 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
1,178,547
5.4
Fidelity Series Small Cap Core Fund
Fund S000077859 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
597,300
5.5
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
587,047
6
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
5,132,947
7
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
4,843,861
8
BROWN ADVISORY INC
13F CIK 1345929 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
4,533,515
8.1
Brown Advisory Small-Cap Fundamental Value Fund
Fund S000038484 · Registered fund · Jun 30, 2026
Brown Advisory Funds, not summed
2,176,053
8.2
Brown Advisory Sustainable Small-Cap Core Fund
Fund S000072895 · Registered fund · Jun 30, 2026
Brown Advisory Funds, not summed
121,552
9
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
3,476,568
10
AMERICAN CENTURY COMPANIES INC
13F CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
3,474,853
10.1
Small Company Fund
Fund S000005981 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
32,952
11
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,149,827
12
BRIGHTLINE CAPITAL MANAGEMENT, LLC
13F CIK 1432450 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,012,000
13
Avantis U.S. Small Cap Value ETF
Fund S000066459 · Registered fund · May 31, 2026
American Century ETF Trust, not summed
2,773,042
14
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,675,032
14.1
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
40,550
14.2
State Street Total Return V.I.S. Fund
Fund S000001637 · Registered fund · Jun 30, 2026
STATE STREET VARIABLE INSURANCE SERIES FUNDS INC, not summed
2,843
14.3
State Street Balanced Index Fund
Fund S000082802 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
616
15
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
2,621,153
15.1
Goldman Sachs Small Cap Value Fund
Fund S000009323 · Registered fund · May 31, 2026
Goldman Sachs Trust, not summed
256,849
15.2
Goldman Sachs Small Cap Equity Insights Fund
Fund S000009329 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
119,288
15.3
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
59,461
15.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
13,607
15.5
Goldman Sachs Variable Insurance Trust Small Cap Equity Insights Fund
Fund S000009355 · Registered fund · Jun 30, 2026
Goldman Sachs Variable Insurance Trust, not summed
11,170
16
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
2,507,800
17
AMERIPRISE FINANCIAL INC
13F CIK 820027 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,229,504
17.1
Columbia Small Cap Value Discovery Fund
Fund S000012102 · Registered fund · Jul 31, 2026
COLUMBIA FUNDS SERIES TRUST I, not summed
1,031,250
17.2
Columbia Small Cap Value and Inflection Fund
Fund S000010793 · Registered fund · May 31, 2026
COLUMBIA FUNDS SERIES TRUST, not summed
399,550
17.3
Columbia Variable Portfolio - Small Cap Value Discovery Fund
Fund S000012561 · Registered fund · Jun 30, 2026
COLUMBIA FUNDS VARIABLE INSURANCE TRUST, not summed
186,590
17.4
Variable Portfolio - Partners Small Cap Value Fund
Fund S000019853 · Registered fund · Jun 30, 2026
Columbia Funds Variable Series Trust II, not summed
91,303
17.5
Columbia Research Enhanced Small Cap ETF
Fund S000095313 · Registered fund · Jun 30, 2026
Columbia ETF Trust I, not summed
158
18
FIRST WILSHIRE SECURITIES MANAGEMENT INC
13F CIK 732847 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,171,238
19
AltraVue Capital, LLC
13F CIK 1740837 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,008,430
20
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,898,885
20.1
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
833,398
20.2
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
544,798
20.3
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
266,657
20.4
Schwab Fundamental U.S. Small Company Index Fund
Fund S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
202,204
20.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
69,517
21
Qube Research & Technologies Ltd
13F CIK 1729829 · Exempt reporting adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,663,145
22
VANGUARD SMALL-CAP VALUE INDEX FUND
Fund S000002847 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,590,117
23
Allspring Global Investments Holdings, LLC
13F CIK 1890906 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,408,019
23.1
Allspring Special Small Cap Value Fund
Fund S000029108 · Registered fund · Jun 30, 2026
ALLSPRING FUNDS TRUST, not summed
993,811
24
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC
13F CIK 1164833 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,404,452
24.1
Hotchkis and Wiley Small Cap Diversified Value Fund
Fund S000045868 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
290,400
24.2
Hotchkis & Wiley Opportunities Fund
Fund S000006216 · Registered fund · Jun 30, 2026
HOTCHKIS & WILEY FUNDS/DE/, not summed
278,600
25
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,256,694
26
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,130,194
26.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
61
27
NEEDHAM INVESTMENT MANAGEMENT LLC
13F CIK 1167212 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,020,000
27.1
Needham Aggressive Growth Fund
Fund S000003815 · Registered fund · Jun 30, 2026
Needham Funds Inc, not summed
1,020,000
28
LOOMIS SAYLES & CO L P
13F CIK 312348 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,013,758
28.1
Loomis Sayles Small Cap Value Fund
Fund S000006647 · Registered fund · Jun 30, 2026
LOOMIS SAYLES FUNDS I, not summed
213,098
29
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
980,058
29.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
55,782
29.2
Small Cap Value Fund
Fund S000001246 · Registered fund · Jun 30, 2026
Northern Funds, not summed
15,855
29.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
12,324
30
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F CIK 1535845 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
942,306
31
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
934,724
32
NewEdge Advisors, LLC
13F CIK 1633516 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
895,435
33
Allianz Asset Management GmbH
13F CIK 1535323 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
894,838
33.1
PIMCO RAE US Small Fund
Fund S000048957 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
575,216
33.2
PIMCO RAFI Dynamic Multi-Factor U.S. Equity ETF
Fund S000057225 · Registered fund · Jun 30, 2026
PIMCO Equity Series, not summed
2,210
34
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
860,439
34.1
William Blair Small Cap Value Fund
Fund S000008597 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
402,983
35
BRIDGEWAY CAPITAL MANAGEMENT, LLC
13F CIK 1107261 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
848,000
35.1
Omni Small-Cap Value Fund
Fund S000033567 · Registered fund · Jun 30, 2026
Bridgeway Funds, Inc., not summed
286,875
36
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
773,853
37
Bitting Kurt
Insider CIK 1769761 · Mar 12, 2026
Director, See Remarks, issuer-wide
698,382
38
Koscinski Joseph S.
Insider CIK 1717992 · Mar 4, 2026
See Remarks, issuer-wide
595,784
39
VANGUARD RUSSELL 2000 INDEX FUND
Fund S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
586,564
40
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
584,237
41
Empowered Funds, LLC
13F CIK 1592828 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
575,365
41.1
EA Bridgeway Omni Small-Cap Value ETF
Fund S000078089 · Registered fund · Jun 30, 2026
EA Series Trust, not summed
561,125
41.2
Sequoia Global Value ETF
Fund S000082843 · Registered fund · May 29, 2026
EA Series Trust, not summed
14,260
42
Connor, Clark & Lunn Investment Management Ltd.
13F CIK 1596800 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
571,901
43
Ballast Asset Management, LP
13F CIK 1998389 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
549,113
44
Apis Capital Advisors, LLC
13F CIK 1386892 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
540,000
45
HRT FINANCIAL LP
13F CIK 1475597 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
534,190
46
PRUDENTIAL FINANCIAL INC
13F CIK 1137774 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
515,750
47
VICTORY CAPITAL MANAGEMENT INC
13F CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
500,966
47.1
VictoryShares US Small Mid Cap Value Momentum ETF
Fund S000065161 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
488,597
47.2
Victory Extended Market Index Fund
Fund S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
12,369
48
CastleKnight Management LP
13F CIK 1835751 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
473,548
49
SEI INVESTMENTS CO
13F CIK 350894 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
472,517
49.1
SEI Select Small Cap ETF
Fund S000085976 · Registered fund · Jun 30, 2026
SEI EXCHANGE TRADED FUNDS, not summed
84,115
49.2
SIIT EXTENDED MARKET INDEX FUND
Fund S000035814 · Registered fund · May 31, 2026
SEI INSTITUTIONAL INVESTMENTS TRUST, not summed
19,100
50
Legato Capital Management LLC
13F CIK 1442641 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
470,171

44 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 344 holders

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Key facts CIK 1708035 CUSIP 27923Q109 13F (30d) 17 filings 17 filers Visit website Investor relations