Ecovyst Inc. 13F holders
208 funds reported a position in Ecovyst Inc. in their 13F for the quarter ended 30 June 2026, together 109.8 million shares worth $1.37 billion. Against the quarter before, 47 opened a position, 75 added, 54 trimmed and 36 sold out; together they sold a net 2.0 million shares. The largest holders: BlackRock, Inc., Rubric Capital Management LP and Dimensional Fund Advisors LP.
Funds holding208+10 on Q1 2026
Shares they held109.8Mworth $1.37 billion
Net sold on the quarter2.0M sharesabout $25.0 million at the funds' values
Funds buying to selling122 to 90opened or added, to cut or sold
Opened 47Added 75Held 30Trimmed 54Sold out 36
What each fund did in ECVT against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in ECVT in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,241 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 33 reported a position in Ecovyst Inc.: 5 opened one, 8 added, 14 trimmed and 1 sold out, a net 64,499 shares bought.
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 7 reported a position in Ecovyst Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 5.3 million shares worth $66.4 million, 0.0% of its reported book. In the quarter, 3 funds added or opened a position and 4 trimmed or sold out; together they bought a net 8,418 shares, about $104,804 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 5,333,701 | $66.4 million | 0.0% | +866,276 | added | 30 June 2026 | 13F |
| Geode Capital Management | 3,149,827 | $39.2 million | 0.0% | +386,373 | added | 30 June 2026 | 13F |
| Citadel Advisors | 439,630 | $5.5 million | 0.0% | -210,148 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 329,773 | $4.1 million | 0.0% | +91,770 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 213,100 | $2.7 million | 0.0% | -93,600 | trimmed | 30 June 2026 | 13F |
| Point72 Asset Management | 87,219 | $1.1 million | 0.0% | -962,308 | trimmed | 30 June 2026 | 13F |
| Millennium Management | 59,276 | $737,986 | 0.0% | -69,945 | trimmed | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 10,666,032 | 9.71% | $132.8 million | 0.00% | +1,931,812 | 13F |
| Rubric Capital Management LP | 8,211,888 | 7.48% | $102.2 million | 0.94% | -924,179 | 13F |
| Dimensional Fund Advisors LP | 6,585,047 | 6.00% | $82.0 million | 0.01% | +86,393 | 13F |
| Vanguard Portfolio Management LLC | 6,090,922 | 5.55% | $75.8 million | 0.00% | +846,516 | 13F |
| FMR LLC | 5,333,701 | 4.86% | $66.4 million | 0.00% | +866,276 | 13F |
| Arrowstreet Capital, Limited Partnership | 5,132,947 | 4.67% | $63.9 million | 0.03% | +303,913 | 13F |
| Vanguard Capital Management LLC | 4,843,861 | 4.41% | $60.3 million | 0.00% | -133,719 | 13F |
| Brown Advisory Inc. | 4,533,515 | 4.13% | $56.4 million | 0.09% | -308,659 | 13F |
| American Century Companies Inc. | 3,474,853 | 3.16% | $43.3 million | 0.02% | +1,449,583 | 13F |
| Geode Capital Management, LLC | 3,149,827 | 2.87% | $39.2 million | 0.00% | +386,373 | 13F |
| Brightline Capital Management, LLC | 3,012,000 | 2.74% | $37.5 million | 8.12% | +212,000 | 13F |
| State Street Corp. | 2,675,032 | 2.44% | $33.3 million | 0.00% | +97,641 | 13F |
| Goldman Sachs Group Inc. | 2,621,153 | 2.39% | $32.6 million | 0.00% | +1,214,268 | 13F |
| Ameriprise Financial Inc. | 2,229,504 | 2.03% | $27.8 million | 0.01% | +97,841 | 13F |
| First Wilshire Securities Management Inc. | 2,171,238 | 1.98% | $27.0 million | 5.57% | -25,546 | 13F |
| AltraVue Capital, LLC | 2,008,430 | 1.83% | $25.0 million | 1.80% | new | 13F |
| Charles Schwab Investment Management Inc. | 1,898,885 | 1.73% | $23.6 million | 0.00% | -228,029 | 13F |
| Qube Research & Technologies Ltd | 1,663,145 | 1.51% | $20.7 million | 0.02% | new | 13F |
| Hotchkis & Wiley Capital Management LLC | 1,404,452 | 1.28% | $17.5 million | 0.05% | -4,009,410 | 13F |
| Allspring Global Investments Holdings, LLC | 1,408,019 | 1.28% | $16.9 million | 0.03% | -2,390,370 | 13F |
| Morgan Stanley | 1,130,194 | 1.03% | $14.1 million | 0.00% | +407,569 | 13F |
| Needham Investment Management LLC | 1,020,000 | 0.93% | $12.7 million | 0.38% | no change | 13F |
| Loomis Sayles & Co. L P | 1,013,758 | 0.92% | $12.6 million | 0.02% | -211,373 | 13F |
| Northern Trust Corp. | 980,058 | 0.89% | $12.2 million | 0.00% | +21,294 | 13F |
| Healthcare of Ontario Pension Plan Trust Fund | 942,306 | 0.86% | $11.7 million | 0.02% | new | 13F |
| JPMorgan Chase & Co. | 934,724 | 0.85% | $11.5 million | 0.00% | +113,334 | 13F |
| NewEdge Advisors, LLC | 895,435 | 0.82% | $11.1 million | 0.03% | +71 | 13F |
| Allianz Asset Management GmbH | 894,838 | 0.81% | $11.1 million | 0.01% | +89,140 | 13F |
| William Blair Investment Management, LLC | 860,439 | 0.78% | $10.7 million | 0.03% | -1,004,182 | 13F |
| Bridgeway Capital Management, LLC | 848,000 | 0.77% | $10.6 million | 0.19% | +13,207 | 13F |
| Vanguard Fiduciary Trust Co. | 773,853 | 0.70% | $9.6 million | 0.00% | +42,129 | 13F |
| Bank of America Corp. | 584,237 | 0.53% | $7.3 million | 0.00% | -521,772 | 13F |
| Empowered Funds, LLC | 575,365 | 0.52% | $7.2 million | 0.04% | +8,685 | 13F |
| Connor, Clark & Lunn Investment Management Ltd. | 571,901 | 0.52% | $7.1 million | 0.01% | +385,200 | 13F |
| Ballast Asset Management, LP | 549,113 | 0.50% | $6.8 million | 2.73% | -5,512 | 13F |
| Apis Capital Advisors, LLC | 540,000 | 0.49% | $6.7 million | 0.65% | new | 13F |
| HRT Financial LP | 534,190 | 0.49% | $6.7 million | 0.01% | new | 13F |
| Prudential Financial Inc. | 515,750 | 0.47% | $6.4 million | 0.01% | +495,135 | 13F |
| Victory Capital Management Inc. | 500,966 | 0.46% | $6.2 million | 0.00% | +488,582 | 13F |
| CastleKnight Management LP | 473,548 | 0.43% | $5.9 million | 0.21% | +106,400 | 13F |
| Sei Investments Co. | 472,517 | 0.43% | $5.9 million | 0.01% | -465,514 | 13F |
| Legato Capital Management LLC | 470,171 | 0.43% | $5.9 million | 0.48% | new | 13F |
| UniSuper Management Pty Ltd | 458,182 | 0.42% | $5.7 million | 0.03% | new | 13F |
| Citadel Advisors LLC | 439,630 | 0.40% | $5.5 million | 0.00% | -210,148 | 13F |
| New York State Common Retirement Fund | 439,371 | 0.40% | $5.5 million | 0.01% | +410,290 | 13F |
| HSBC Holdings PLC | 434,094 | 0.40% | $5.3 million | 0.00% | +123,772 | 13F |
| Trexquant Investment LP | 421,136 | 0.38% | $5.2 million | 0.03% | new | 13F |
| Kestrel Investment Management Corp. | 405,400 | 0.37% | $5.0 million | 2.75% | no change | 13F |
| Tiptree Advisors, LLC | 400,000 | 0.36% | $5.0 million | 3.08% | +75,000 | 13F |
| Bank of New York Mellon Corp | 397,180 | 0.36% | $4.9 million | 0.00% | +14,947 | 13F |
The 50 largest of the 208 funds that reported a position in ECVT in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 31 July 2026 | 13G | Vanguard Portfolio Management and 1 other | 6.2 million | 5.7% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 July 2026 | 13G/A | Dimensional Fund Advisors LP and 1 other | 6.6 million | 6.0% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 8 May 2026 | 13G/A | Hotchkis and Wiley Capital Management, LLC and 1 other | 5.4 million | 4.9% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 5.8 million | 5.2% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 24 April 2026 | 13G/A | BlackRock, Inc. and 1 other | 8.5 million | 7.7% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Hotchkis and Wiley Capital Management, LLC and 1 other | 8.9 million | 7.7% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G | Rubric Capital Management LP and 3 others | 10.4 million | 9.1% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.