Security record · archived quarter
ECVT
Ecovyst Inc. · Basic Materials · Chemicals - Specialty
73Tracked holders
0Δ holders
74.79MShares held
$728.43MReported value
+0New positions
−0Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow +1.9% · net new positions 0.0% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 89 | +9 | 74.60M | $927.90M | +12 | −4 |
| Q1 2026 | 84 | +11 | 73.77M | $949.26M | +14 | −3 |
| Q4 2025 | 73 | 0 | 74.79M | $728.43M | — | — |
| Q3 2025 | 16 | -1 | 35.27M | $309.00M | +2 | −3 |
| Q2 2025 | 14 | +3 | 30.09M | $247.63M | +3 | — |
| Q1 2025 | 8 | -1 | 6.49M | $40.25M | +1 | −2 |
| Q4 2024 | 9 | +1 | 6.52M | $49.83M | +2 | −1 |
| Q3 2024 | 7 | 0 | 4.02M | $27.56M | +1 | −1 |
| Q2 2024 | 7 | — | 3.65M | $32.72M | — | — |
Who holds it · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 11.11M | +1.8% | $108.13M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 2 | BlackRock ✦ (passive) | 10.45M | +1.8% | $101.66M | 0.0% | ▲ Add | 3 | SEC ↗ ×11 |
| 3 | Hotchkis & Wiley Capital Management… | 9.57M | — | $93.10M | 0.3% | n/c | 1 | SEC ↗ |
| 4 | Dimensional Fund Advisors Lp | 6.39M | — | $62.15M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 5 | Brown Advisory Inc | 5.02M | — | $48.89M | 0.1% | n/c | 1 | SEC ↗ ×3 |
| 6 | Oaktree Capital Management ✦ | 4.25M | +48.8% | $41.40M | 0.9% | ▲ Add | 2 | SEC ↗ |
| 7 | Allspring Global Investments… | 4.13M | — | $40.90M | 0.1% | n/c | 1 | SEC ↗ ×2 |
| 8 | Geode Capital Management ✦ (passive) | 2.68M | -1.1% | $26.06M | 0.0% | ▼ Trim | 7 | SEC ↗ ×2 |
| 9 | State Street Global Advisors ✦ (passive) | 2.54M | +0.7% | $24.75M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 10 | Charles Schwab Investment… | 2.27M | — | $22.11M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | Ameriprise Financial Inc | 2.15M | — | $20.96M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 12 | Arrowstreet Capital ✦ | 1.39M | +102.3% | $13.55M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | Point72 Asset Management ✦ | 1.28M | +4.8% | $12.48M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | Loomis Sayles & Co L P | 1.27M | — | $12.34M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 15 | Northern Trust Corp | 913.92K | — | $8.89M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 16 | Goldman Sachs Group ✦ | 828.29K | -14.7% | $8.06M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 17 | Morgan Stanley ✦ | 756.21K | -31.3% | $7.36M | 0.0% | ▼ Trim | 2 | SEC ↗ ×8 |
| 18 | Bank Of America Corp /De/ | 682.18K | — | $6.64M | 0.0% | n/c | 1 | SEC ↗ ×6 |
| 19 | American Century Companies Inc | 616.50K | — | $6.00M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | State Of Wisconsin Investment Board | 535.41K | — | $5.21M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Sei Investments Co | 520.17K | — | $5.06M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 22 | Allianz Asset Management GmbH | 519.21K | — | $5.05M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 456.99K | -36.8% | $4.45M | 0.0% | ▼ Trim | 2 | SEC ↗ ×5 |
| 24 | Fidelity (FMR) ✦ | 436.07K | +111.0% | $4.24M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 25 | Bank of New York Mellon Corp | 387.84K | — | $3.77M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 26 | Nuveen, LLC | 315.99K | — | $3.07M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 27 | UBS Group AG | 282.37K | — | $2.75M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 28 | Invesco Ltd. | 273.36K | — | $2.66M | 0.0% | n/c | 1 | SEC ↗ ×4 |
| 29 | Barclays Plc | 230.35K | — | $2.24M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 30 | Renaissance Technologies ✦ | 230.10K | -4.4% | $2.24M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 31 | Swiss National Bank | 225.60K | — | $2.20M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | UBS AM, a distinct business unit of… | 203.84K | — | $1.98M | 0.0% | n/c | 1 | SEC ↗ ×5 |
| 33 | Rhumbline Advisers | 152.39K | — | $1.48M | 0.0% | n/c | 1 | SEC ↗ |
| 34 | Wells Fargo & Company/Mn | 143.47K | — | $1.40M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 35 | Alliancebernstein L.P. | 124.26K | — | $1.21M | 0.0% | n/c | 1 | SEC ↗ |
| 36 | Legal & General Group Plc | 118.63K | — | $1.15M | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 37 | Federated Hermes, Inc. | 116.55K | — | $1.13M | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 38 | California State Teachers… | 114.81K | — | $1.12M | 0.0% | n/c | 1 | SEC ↗ |
| 39 | T. Rowe Price ✦ | 93.36K | +5.1% | $909,000 | 0.0% | ▲ Add | 7 | SEC ↗ |
| 40 | Deutsche Bank Ag\ | 84.46K | — | $821,815 | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Quantinno Capital Management LP | 77.33K | — | $752,392 | 0.0% | n/c | 1 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 74.00K | -52.3% | $720,030 | 0.0% | ▼ Trim | 7 | SEC ↗ ×4 |
| 43 | Franklin Resources Inc | 71.03K | — | $691,073 | 0.0% | n/c | 1 | SEC ↗ |
| 44 | First Trust Advisors Lp | 65.03K | — | $632,712 | 0.0% | n/c | 1 | SEC ↗ |
| 45 | Canada Pension Plan Investment Board | 64.60K | — | $628,558 | 0.0% | n/c | 1 | SEC ↗ |
| 46 | MIRAE ASSET GLOBAL ETFS HOLDINGS… | 53.04K | — | $516,079 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Zurcher Kantonalbank (Zurich… | 51.29K | — | $499,071 | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Manufacturers Life Insurance… | 50.16K | — | $488,037 | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Janus Henderson Group Plc | 43.38K | — | $422,265 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Creative Planning | 31.41K | — | $305,648 | 0.0% | n/c | 1 | SEC ↗ |
| 51 | New York State Common Retirement… | 29.08K | — | $282,958 | 0.0% | n/c | 1 | SEC ↗ |
| 52 | D. E. Shaw & Co. ✦ | 28.83K | -94.9% | $280,477 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Citadel Advisors ✦ | 28.79K | -6.3% | $280,098 | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 54 | State Board Of Administration Of… | 27.19K | — | $264,559 | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Bnp Paribas Financial Markets | 25.40K | — | $247,142 | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Amundi | 21.75K | — | $211,647 | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Jane Street Group, Llc | 20.95K | — | $203,834 | 0.0% | n/c | 1 | SEC ↗ |
| 58 | ProShare Advisors LLC | 20.87K | — | $203,083 | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Voya Investment Management Llc | 20.61K | — | $200,487 | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Pictet Asset Management Holding SA | 17.98K | — | $174,916 | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Susquehanna International Group, Llp | 15.71K | — | $152,858 | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Lazard Asset Management Llc | 14.39K | — | $140,015 | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Victory Capital Management Inc | 12.93K | — | $125,848 | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Citigroup Inc | 12.60K | — | $122,568 | 0.0% | n/c | 1 | SEC ↗ ×3 |
| 65 | Captrust Financial Advisors | 11.62K | — | $113,043 | 0.0% | n/c | 1 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 9.06K | — | $88,153 | 0.0% | n/c | 1 | SEC ↗ |
| 67 | Cwm, Llc | 6.16K | — | $60,000 | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Royal Bank Of Canada | 3.26K | — | $31,000 | 0.0% | n/c | 1 | SEC ↗ ×2 |
| 69 | BNP Paribas Asset Management… | 1.42K | — | $14,000 | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Rockefeller Capital Management L.P. | 675 | — | $6,568 | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Pnc Financial Services Group, Inc. | 488 | — | $4,748 | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Optiver Holding B.V. | 264 | — | $2,569 | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Us Bancorp \De\ | 252 | — | $2,452 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| No tracked exits this quarter. |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 196 holders, 110.76M shares, $1.40B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Sep 10
Humble Patti A.
Director · 24.88K sh @ 10.05 · $249,994
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Jul 31
SC 13G — VANGUARD PORTFOLIO MANAGEMENT LLC
Jul 14
SC 13G/A — DIMENSIONAL FUND ADVISORS LP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q4 2025 ·
Methodology ·
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