Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ECVT held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Rubric Capital Management LP | 9.1M | $117.5M | -13.0% | 8.347% | 1.44% |
| 2 | BlackRock, Inc. | 8.7M | $112.3M | -16.4% | 7.980% | 0.00% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 6.5M | $83.6M | +1.7% | 5.937% | 0.02% |
| 4 | HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC | 5.4M | $69.6M | -43.4% | 4.946% | 0.22% |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | 5.2M | $67.4M | — | 4.791% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 5.0M | $64.0M | — | 4.548% | 0.00% |
| 7 | BROWN ADVISORY INC | 4.8M | $62.3M | -3.6% | 4.424% | 0.10% |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 4.8M | $62.1M | +246.6% | 4.412% | 0.03% |
| 9 | FMR LLC | 4.5M | $57.5M | +924.5% | 4.082% | 0.00% |
| 10 | Allspring Global Investments Holdings, LLC | 3.8M | $49.8M | -8.0% | 3.470% | 0.08% |
| 11 | BRIGHTLINE CAPITAL MANAGEMENT, LLC | 2.8M | $36.0M | +36.6% | 2.558% | 10.65% |
| 12 | GEODE CAPITAL MANAGEMENT, LLC | 2.8M | $35.5M | +3.2% | 2.525% | 0.00% |
| 13 | STATE STREET CORP | 2.6M | $33.1M | +1.3% | 2.355% | 0.00% |
| 14 | OAKTREE CAPITAL MANAGEMENT LP | 2.4M | $30.8M | -43.7% | 2.187% | 0.54% |
| 15 | FIRST WILSHIRE SECURITIES MANAGEMENT INC | 2.2M | $28.3M | +1.0% | 2.007% | 6.36% |
| 16 | AMERIPRISE FINANCIAL INC | 2.1M | $27.4M | -1.0% | 1.948% | 0.01% |
| 17 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 2.1M | $27.4M | -6.4% | 1.943% | 0.00% |
| 18 | AMERICAN CENTURY COMPANIES INC | 2.0M | $26.0M | +228.5% | 1.850% | 0.01% |
| 19 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1.9M | $24.0M | -31.7% | 1.704% | 0.08% |
| 20 | GOLDMAN SACHS GROUP INC | 1.4M | $18.1M | +69.8% | 1.285% | 0.00% |
| 21 | Owls Nest Partners IA, LLC | 1.4M | $17.7M | -24.7% | 1.256% | 6.19% |
| 22 | DRIEHAUS CAPITAL MANAGEMENT LLC | 1.4M | $17.4M | — | 1.239% | 0.13% |
| 23 | LOOMIS SAYLES & CO L P | 1.2M | $15.8M | -3.4% | 1.119% | 0.02% |
| 24 | BANK OF AMERICA CORP /DE/ | 1.1M | $14.2M | +62.1% | 1.010% | 0.00% |
| 25 | Point72 Asset Management, L.P. | 1.0M | $13.5M | -18.2% | 0.959% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ECVT — a direct measure of their conviction.
Filings activity in ECVT during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 195 | +20% | 97.92% | +20.70 pp | $1.40B | +27% |
| Q4 2025 | 162 | 2.4% | 77.22% | +6.35 pp | $1.11B | +9.0% |
| Q3 2025 | 166 | 5.7% | 70.87% | +5.82 pp | $1.02B | +8.9% |
| Q2 2025 | 176 | +10% | 65.05% | +21.25 pp | $932M | +49% |
| Q1 2025 | 160 | 5.3% | 43.80% | 6.94 pp | $628M | 14% |
| Q4 2024 | 169 | +6.3% | 50.74% | +3.70 pp | $727M | +7.9% |
| Q3 2024 | 159 | +3.2% | 47.04% | 15.28 pp | $674M | 25% |
| Q2 2024 | 154 | — | 62.32% | — | $893M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ECVT stock.
Based on Q1 2026 13F filings, institutional ownership of Ecovyst Inc. stands at 97.9%, held across 195 reporting institutions.
Rubric Capital Management LP is the largest reported institutional holder of ECVT, with approximately 9,136,067 shares worth $0.12B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of ECVT, including Point72 Asset Management, L.P..
Our composite Smart Money Score for ECVT is 70 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
53 institutions opened new positions in ECVT during Q1 2026, while 20 fully exited. 119 added to existing positions and 21 trimmed.
ECVT institutional ownership rose by 20.70 percentage points quarter-over-quarter, with a net change of +33 holders.
The top 10 institutions account for 53.2% of all reported 13F value in ECVT, and the top 25 account for 79.2%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Ecovyst Inc. (ECVT) Institutional Ownership