Latest Period
Q4 2025
Security Snapshot
Ecovyst Inc. - Common Stock (ECVT) Institutional Ownership
CUSIP: 27923Q109
13F Institutional Holders and Ownership History from Q2 2021 to Q1 2026
Institutions Reporting
160
Shares (Excl. Options)
116,630,702
Price
$9.73
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- Type / Class
- Equity / Common Stock
- Symbol
- ECVT on NYSE
- Shares outstanding
- 110,743,600
- Price per share
- $12.86
- All holders as of 31 Dec 2025
- Q4 2025
- Total 13F shares
- 116,630,702
- Total reported value
- $1,135,574,144
- % of total 13F portfolios
- 0%
- Share change
- -1,006,319
- Value change
- -$4,632,131
- Number of holders
- 160
- Price from insider filings
- $12.86
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Quick Takeaways
- ECVT - Ecovyst Inc. - Common Stock is tracked under CUSIP 27923Q109.
- 160 institutions reported positions in Q4 2025.
- 4 significant owners is listed from Schedule 13D/13G reporting.
What Changed
- Holder count moved from 160 to 31 between Q4 2025 and Q1 2026.
- Reported value moved from $1,135,574,144 to $27,956,338.
Why This Matters
- 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.
Source Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 160 institutions filings for Q4 2025.
Investment Quick Answers
What is CUSIP 27923Q109?
CUSIP 27923Q109 identifies ECVT - Ecovyst Inc. - Common Stock in SEC 13F datasets.
Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.
Next ownership checks
Use the next link that matches the question you still need to answer about this security.
- Latest 13F filings when you want to inspect fresh institutional portfolio moves.
- Latest Schedule 13D/13G reports when you need large-owner changes outside the 13F cycle.
- All institutional ownership pages to compare this security with other holder-history pages.
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 27923Q109:
Significant Owners of Ecovyst Inc. - Common Stock (ECVT) based on Schedule 13D/G filings
| 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 | |||
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 7.7% | -18% | $77,544,852 | -$20,731,793 | 8,852,152 | -21% | Hotchkis and Wiley Capital Management, LLC | 30 Sep 2025 |
| BlackRock, Inc. | 7.7% | $109,646,328 | 8,526,153 | BlackRock, Inc. | 31 Mar 2026 | |||
| VANGUARD CAPITAL MANAGEMENT LLC | 5.2% | $74,768,542 | 5,814,039 | Vanguard Capital Management | 31 Mar 2026 |
As of 31 Dec 2025, 160 institutional investors reported holding 116,630,702 shares of Ecovyst Inc. - Common Stock (ECVT). This represents 105% of the company’s total 110,743,600 outstanding shares.
Top 25 Institutional Shareholders
The largest institutional shareholders of Ecovyst Inc. - Common Stock (ECVT) together control 88% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 10% | 11,112,611 | +1.8% | 0% | $108,125,705 |
| Rubric Capital Management LP | 9.5% | 10,500,000 | +0.96% | 1.2% | $102,165,000 |
| BlackRock, Inc. | 9.4% | 10,447,946 | +1.7% | 0% | $101,658,514 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 8.6% | 9,568,392 | +8.1% | 0.28% | $93,100,454 |
| DIMENSIONAL FUND ADVISORS LP | 5.8% | 6,387,278 | +2.1% | 0.01% | $62,149,494 |
| MANGROVE PARTNERS IM, LLC | 4.9% | 5,447,873 | -0.48% | 4.3% | $53,007,804 |
| BROWN ADVISORY INC | 4.5% | 5,024,810 | -8.2% | 0.07% | $48,891,400 |
| OAKTREE CAPITAL MANAGEMENT LP | 3.8% | 4,254,503 | +49% | 0.67% | $41,396,314 |
| Allspring Global Investments Holdings, LLC | 3.7% | 4,127,390 | -8.4% | 0.07% | $40,902,435 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 2.5% | 2,728,749 | -9.5% | 0.07% | $26,550,728 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 2,677,764 | -1.1% | 0% | $26,058,836 |
| STATE STREET CORP | 2.3% | 2,543,242 | +0.7% | 0% | $24,745,745 |
| SHAPIRO CAPITAL MANAGEMENT LLC | 2.1% | 2,279,592 | -42% | 1.2% | $22,180,430 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1% | 2,271,907 | +1.3% | 0% | $22,105,655 |
| Medina Value Partners, LLC | 2% | 2,192,017 | +1.5% | 5% | $21,328,325 |
| FIRST WILSHIRE SECURITIES MANAGEMENT INC | 2% | 2,174,934 | -0.36% | 5.3% | $21,162,108 |
| AMERIPRISE FINANCIAL INC | 1.9% | 2,153,679 | +0.18% | 0% | $20,955,296 |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | 1.9% | 2,050,000 | 8.1% | $19,946,500 | |
| Invenomic Capital Management LP | 1.7% | 1,906,840 | -0.15% | 0.9% | $18,553,553 |
| Owls Nest Partners IA, LLC | 1.6% | 1,826,120 | +11% | 4.9% | $17,768,148 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.3% | 1,393,092 | +102% | 0.01% | $13,554,785 |
| THOMPSON SIEGEL & WALMSLEY LLC | 1.2% | 1,366,711 | -10% | 0.22% | $13,298,000 |
| Point72 Asset Management, L.P. | 1.2% | 1,282,667 | +4.8% | 0.02% | $12,480,350 |
| LOOMIS SAYLES & CO L P | 1.1% | 1,268,450 | +0.69% | 0.01% | $12,342,018 |
| NEEDHAM INVESTMENT MANAGEMENT LLC | 0.92% | 1,020,000 | +4.1% | 0.63% | $9,924,600 |
Institutional Holders of Ecovyst Inc. - Common Stock (ECVT) across Reporting Periods
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,171,301 | $27,956,338 | +$3,667,559 | $12.86 | 31 |
| 2025 Q4 | 116,630,702 | $1,135,574,144 | -$4,632,131 | $9.73 | 160 |
| 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 |