Latest Period
Q1 2026
Security Snapshot
Ecovyst Inc. - Common Stock (ECVT) Institutional Ownership
CUSIP: 27923Q109
13F Institutional Holders and Ownership History from Q2 2021 to Q2 2026
Institutions Reporting
195
Shares (Excl. Options)
111,584,888
Price
$12.86
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- Security type / class
- Equity / Common Stock
- Symbol
- ECVT on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 111,584,888
- Total 13F value
- $1,435,624,016
- Portfolio coverage rank
- 0.01%
- Share change
- -4,987,008
- Value change
- -$32,600,688
- Number of holders
- 195
- Shares outstanding
- 109,750,783
- SEC-reported price per share
- $12.45
- Insider filing price
- $12.45
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ECVT - Ecovyst Inc. - Common Stock is tracked under CUSIP 27923Q109.
- 195 institutions reported positions in Q1 2026.
- 5 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 195 to 6 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $1,435,624,016 to $3,895,611.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 195 institutions filings for Q1 2026.
Security key
27923Q109
Latest holder period
Q1 2026
13F holders
195
13D/G owners
5
CIK / CUSIP context first
Open Q1 2026 holders
ECVT full holder history
Ecovyst Inc. SEC filings
Ecovyst Inc. company facts
Ecovyst Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 27923Q109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
5
Security
ECVT
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Rubric Capital Management LP | 9.1% | $91,104,000 | 10,400,000 | Rubric Capital Management LP | 30 Sep 2025 | |||
| BlackRock, Inc. | 7.7% | $109,646,328 | 8,526,153 | BlackRock, Inc. | 31 Mar 2026 | |||
| DIMENSIONAL FUND ADVISORS LP | 6% | $81,983,177 | 6,585,047 | Dimensional Fund Advisors LP | 30 Jun 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $74,768,542 | 5,814,039 | Vanguard Capital Management | 31 Mar 2026 | |||
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 4.9% | -36% | $69,622,265 | -$44,216,409 | 5,413,862 | -39% | Hotchkis and Wiley Capital Management, LLC | 31 Mar 2026 |
As of 31 Mar 2026, 195 institutional investors reported holding 111,584,888 shares of Ecovyst Inc. - Common Stock (ECVT). This represents 102% of the company’s total 109,750,783 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
79%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Rubric Capital Management LP | 8.3% | 9,136,067 | -13% | 1.4% | $117,489,822 |
| BlackRock, Inc. | 8% | 8,734,220 | -16% | 0% | $112,322,069 |
| DIMENSIONAL FUND ADVISORS LP | 5.9% | 6,498,654 | +1.7% | 0.02% | $83,572,691 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 4.9% | 5,413,862 | -43% | 0.22% | $69,622,265 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.8% | 5,244,406 | 0% | 0% | $67,443,061 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.5% | 4,977,580 | 0% | 0% | $64,011,679 |
| BROWN ADVISORY INC | 4.4% | 4,842,174 | -3.6% | 0.1% | $62,270,363 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.4% | 4,829,034 | +247% | 0.03% | $62,101,377 |
| FMR LLC | 4.1% | 4,467,425 | +924% | 0% | $57,451,086 |
| Allspring Global Investments Holdings, LLC | 3.5% | 3,798,389 | -8% | 0.08% | $49,834,863 |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | 2.6% | 2,800,000 | +37% | 11% | $36,008,000 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.5% | 2,763,454 | +3.2% | 0% | $35,544,083 |
| STATE STREET CORP | 2.3% | 2,577,391 | +1.3% | 0% | $33,145,248 |
| OAKTREE CAPITAL MANAGEMENT LP | 2.2% | 2,393,791 | -44% | 0.53% | $30,784,152 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 2% | 2,196,784 | +1% | 6.4% | $28,250,642 |
| AMERIPRISE FINANCIAL INC | 1.9% | 2,131,663 | -1% | 0.01% | $27,413,186 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.9% | 2,126,914 | -6.4% | 0% | $27,352,114 |
| AMERICAN CENTURY COMPANIES INC | 1.8% | 2,025,270 | +229% | 0.01% | $26,044,972 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.7% | 1,864,621 | -32% | 0.08% | $23,979,026 |
| GOLDMAN SACHS GROUP INC | 1.3% | 1,406,885 | +70% | 0% | $18,092,541 |
| Owls Nest Partners IA, LLC | 1.3% | 1,374,674 | -25% | 6.2% | $17,678,308 |
| Driehaus Capital Management LLC | 1.2% | 1,356,131 | 0.13% | $17,439,845 | |
| LOOMIS SAYLES & CO L P | 1.1% | 1,225,131 | -3.4% | 0.02% | $15,755,185 |
| BANK OF AMERICA CORP /DE/ | 1% | 1,106,009 | +62% | 0% | $14,223,275 |
| Point72 Asset Management, L.P. | 0.96% | 1,049,527 | -18% | 0.02% | $13,496,917 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
21
Latest
Q1 2026
Rows shown
1-21 of 21
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 312,901 | $3,895,611 | -$461,880 | $12.45 | 6 |
| 2026 Q1 | 111,584,888 | $1,435,624,016 | -$32,600,688 | $12.86 | 195 |
| 2025 Q4 | 116,631,050 | $1,135,577,530 | -$4,632,452 | $9.73 | 161 |
| 2025 Q3 | 117,875,962 | $1,031,523,581 | -$2,491,088 | $8.76 | 167 |
| 2025 Q2 | 118,977,398 | $975,976,264 | +$101,467,001 | $8.23 | 174 |
| 2025 Q1 | 106,907,265 | $662,739,349 | +$22,410,948 | $6.20 | 160 |
| 2024 Q4 | 103,046,480 | $787,752,848 | -$27,161,680 | $7.64 | 168 |
| 2024 Q3 | 106,704,069 | $730,742,736 | -$17,699,396 | $6.85 | 157 |
| 2024 Q2 | 106,179,390 | $952,614,776 | +$18,773,621 | $8.97 | 150 |
| 2024 Q1 | 103,850,140 | $1,156,847,177 | +$29,012,950 | $11.15 | 147 |
| 2023 Q4 | 101,669,025 | $992,774,376 | -$17,730,573 | $9.77 | 160 |
| 2023 Q3 | 102,934,766 | $1,012,384,625 | +$6,488,330 | $9.84 | 149 |
| 2023 Q2 | 101,971,394 | $1,167,824,191 | +$172,239,800 | $11.46 | 152 |
| 2023 Q1 | 87,074,604 | $962,447,997 | +$24,141,085 | $11.05 | 164 |
| 2022 Q4 | 87,694,450 | $777,768,179 | -$77,259,878 | $8.86 | 167 |
| 2022 Q3 | 96,536,202 | $815,268,832 | -$61,935,772 | $8.44 | 133 |
| 2022 Q2 | 103,571,054 | $1,020,314,664 | -$3,832,650 | $9.85 | 120 |
| 2022 Q1 | 103,926,077 | $1,199,988,059 | +$8,626,861 | $11.56 | 107 |
| 2021 Q4 | 103,283,459 | $1,057,565,404 | +$523,604,303 | $10.24 | 116 |
| 2021 Q3 | 46,725,980 | $544,822,748 | +$543,090,538 | $11.66 | 99 |
| 2021 Q2 | 148,586 | $2,282,000 | +$2,282,000 | $15.36 | 1 |