# ECOVYST INC COM

ECOVYST INC COM is a security (CUSIP 27923Q109) tracked across SEC portfolio filings. 196 institutional managers reported $1.4B on Form 13F as of 2026-06-30; 19 registered fund positions totaling $41.3M via N-PORT as of 2026-05-31.

## Summary

- Issuer: ECOVYST INC
- Class: COM
- CUSIP: 27923Q109
- Asset category: EC
- 13F holders: 196
- 13F value: $1.4B
- 13F period: 2026-06-30
- N-PORT fund positions: 19
- N-PORT value: $41.3M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 196 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| BlackRock, Inc. | New York, NY | $132.8M | 10,666,032 |
| Rubric Capital Management LP | New York, NY | $117.5M | 9,136,067 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $108.1M | 11,112,611 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $83.6M | 6,498,654 |
| [HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/114649) | Los Angeles, CA | $69.6M | 5,413,862 |
| [BROWN ADVISORY INC](https://search.stillhousedata.com/firm/17501) | BALTIMORE, MD | $62.3M | 4,842,174 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | BOSTON, MA | $62.1M | 4,829,034 |
| FMR LLC | BOSTON, MA | $57.5M | 4,467,425 |
| Allspring Global Investments Holdings, LLC | CHARLOTTE, NC | $49.8M | 3,798,389 |
| [BRIGHTLINE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/161661) | Miami, FL | $36.0M | 2,800,000 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $35.5M | 2,763,454 |
| STATE STREET CORP | BOSTON, MA | $33.3M | 2,675,032 |
| OAKTREE CAPITAL MANAGEMENT LP | LOS ANGELES, CA | $30.8M | 2,393,791 |
| [FIRST WILSHIRE SECURITIES MANAGEMENT INC](https://search.stillhousedata.com/firm/171971) | PASADENA, CA | $28.3M | 2,196,784 |
| [CHARLES SCHWAB INVESTMENT MANAGEMENT INC](https://search.stillhousedata.com/firm/106753) | SAN FRANCISCO, CA | $27.4M | 2,126,914 |

## Top fund holders (N-PORT)

_Showing 15 of 19 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $16.4M | 2.01% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $7.7M | 4.41% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $5.3M | 7.09% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $2.3M | 4.84% |
| [Easterly Snow Long/Short Opportunity Fund](https://search.stillhousedata.com/fund/S000073424) | James Alpha Funds Trust | $1.7M | 148.74% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $1.1M | 18.57% |
| [PGIM Jennison Blend Fund](https://search.stillhousedata.com/fund/S000004514) | Prudential Jennison Blend Fund, Inc. | $1.1M | 9.04% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $867K | 4.72% |
| [VIP Balanced Portfolio](https://search.stillhousedata.com/fund/S000007730) | Variable Insurance Products Fund III | $841K | 1.05% |
| [Federated Hermes Opportunistic High Yield Bond Fund](https://search.stillhousedata.com/fund/S000009061) | Federated Hermes High Yield Trust | $833K | 20.28% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $827K | 0.14% |
| [Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF](https://search.stillhousedata.com/fund/S000048296) | Goldman Sachs ETF Trust | $784K | 7.95% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $728K | 0.24% |
| [NexPoint Climate Tech Fund](https://search.stillhousedata.com/fund/S000001623) | NexPoint Funds II | $274K | 478.13% |
| [Vericimetry U.S. Small Cap Value Fund](https://search.stillhousedata.com/fund/S000033942) | VERICIMETRY FUNDS | $271K | 16.15% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/27923Q109.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.