ECVT · Ecovyst Inc. · Shareholders & Ownership
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 positionsNo 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 | As of | Notes |
|---|---|---|---|---|
| 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 |
|
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 |
|
698,382 | ||
| 38 |
|
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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