ECOVYST INC (ECVT) Institutional Shareholders
ECOVYST INC (ECVT) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $1.36B in ECVT holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ECVT tracked by InsiderSet, reporting ownership valued at approximately $132.79M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $109.97M, representing an estimated loss of -17.19% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 53% of the total disclosed ECVT value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Rubric Capital Management Lp, Dimensional Fund Advisors Lp, and several other long-term asset managers with concentrated positions in ECOVYST INC (ECVT).
This page ranks the largest institutional ECVT shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
205
Total Reported Value
$1.36B
Largest Holder
Blackrock, Inc.
Largest Position
$132.79M
Insider Transactions (90d)
2
Latest Filing Quarter
Q2 2026
New Institutional Positions
91
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.00% | 10,666,032 | $132,792,098 | $109,966,790 | -$22,825,308 | -17.19% | |
| Rubric Capital Management Lp | 0.94% | 8,211,888 | $102,238,006 | $84,664,565 | -$17,573,441 | -17.19% | |
| Dimensional Fund Advisors Lp | 0.01% | 6,585,047 | $81,982,114 | $67,891,835 | -$14,090,279 | -17.19% | |
| Vanguard Portfolio Management Llc | 0.00% | 6,090,922 | $75,831,979 | $62,797,406 | -$13,034,573 | -17.19% | |
| Fmr Llc | 0.00% | 5,333,701 | $66,404,578 | $54,990,457 | -$11,414,121 | -17.19% | |
| Arrowstreet Capital, Limited Partnership | 0.03% | 5,132,947 | $63,905,190 | $52,920,684 | -$10,984,506 | -17.19% | |
| Vanguard Capital Management Llc | 0.00% | 4,843,861 | $60,306,069 | $49,940,207 | -$10,365,862 | -17.19% | |
| Brown Advisory Inc | 0.09% | 4,533,515 | $56,442,259 | $46,740,540 | -$9,701,719 | -17.19% | |
| American Century Companies Inc | 0.02% | 3,474,853 | $43,261,920 | $35,825,734 | -$7,436,186 | -17.19% | |
| Geode Capital Management, Llc | 0.00% | 3,149,827 | $39,221,807 | $32,474,716 | -$6,747,091 | -17.20% | |
| Brightline Capital Management, Llc | 8.13% | 3,012,000 | $37,499,400 | $31,053,720 | -$6,445,680 | -17.19% | |
| State Street Corp | 0.00% | 2,675,032 | $33,304,148 | $27,579,580 | -$5,724,568 | -17.19% | |
| Goldman Sachs Group Inc | 0.00% | 2,621,153 | $32,633,355 | $27,024,087 | -$5,609,268 | -17.19% | |
| Ameriprise Financial Inc | 0.01% | 2,229,504 | $27,757,328 | $22,986,186 | -$4,771,142 | -17.19% | |
| First Wilshire Securities Management Inc | 5.57% | 2,171,238 | $27,031,913 | $22,385,464 | -$4,646,449 | -17.19% | |
| Altravue Capital, Llc | 1.80% | 2,008,430 | $25,004,954 | $20,706,913 | -$4,298,041 | -17.19% | |
| Charles Schwab Investment Management Inc | 0.00% | 1,898,885 | $23,641,118 | $19,577,504 | -$4,063,614 | -17.19% | |
| Sixth Street Partners Management Company, L.P. | 0.00% | 1,898,885 | $23,641,118 | $19,577,504 | -$4,063,614 | -17.19% | |
| Qube Research & Technologies Ltd | 0.02% | 1,663,145 | $20,706,155 | $17,147,025 | -$3,559,130 | -17.19% | |
| Hotchkis & Wiley Capital Management Llc | 0.05% | 1,404,452 | $17,485,427 | $14,479,900 | -$3,005,527 | -17.19% | |
| Allspring Global Investments Holdings, Llc | 0.03% | 1,408,019 | $16,896,228 | $14,516,676 | -$2,379,552 | -14.08% | |
| Morgan Stanley | 0.00% | 1,130,194 | $14,070,925 | $11,652,300 | -$2,418,625 | -17.19% | |
| Needham Investment Management Llc | 0.38% | 1,020,000 | $12,699,000 | $10,516,200 | -$2,182,800 | -17.19% | |
| Loomis Sayles & Co L P | 0.02% | 1,013,758 | $12,621,287 | $10,451,845 | -$2,169,442 | -17.19% | |
| Northern Trust Corp | 0.00% | 980,058 | $12,201,722 | $10,104,398 | -$2,097,324 | -17.19% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.02% | 942,306 | $11,731,710 | $9,715,175 | -$2,016,535 | -17.19% | |
| Jpmorgan Chase & Co | 0.00% | 934,724 | $11,487,758 | $9,637,004 | -$1,850,754 | -16.11% | |
| Newedge Advisors, Llc | 0.03% | 895,435 | $11,148,166 | $9,231,935 | -$1,916,231 | -17.19% | |
| Allianz Asset Management Gmbh | 0.01% | 894,838 | $11,140,733 | $9,225,780 | -$1,914,953 | -17.19% | |
| William Blair Investment Management, Llc | 0.03% | 860,439 | $10,712,466 | $8,871,126 | -$1,841,340 | -17.19% | |
| Bridgeway Capital Management, Llc | 0.19% | 848,000 | $10,557,600 | $8,742,880 | -$1,814,720 | -17.19% | |
| Vanguard Fiduciary Trust Co | 0.00% | 773,853 | $9,634,470 | $7,978,424 | -$1,656,046 | -17.19% | |
| Bank Of America Corp | 0.00% | 584,237 | $7,273,751 | $6,023,483 | -$1,250,268 | -17.19% | |
| Empowered Funds, Llc | 0.04% | 575,365 | $7,163,294 | $5,932,013 | -$1,231,281 | -17.19% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.01% | 571,901 | $7,120,167 | $5,896,299 | -$1,223,868 | -17.19% | |
| Ballast Asset Management, Lp | 2.73% | 549,113 | $6,836,457 | $5,661,355 | -$1,175,102 | -17.19% | |
| Apis Capital Advisors, Llc | 0.65% | 540,000 | $6,723,000 | $5,567,400 | -$1,155,600 | -17.19% | |
| Prudential Financial Inc | 0.01% | 515,750 | $6,421,088 | $5,317,383 | -$1,103,706 | -17.19% | |
| Victory Capital Management Inc | 0.00% | 500,966 | $6,237,027 | $5,164,959 | -$1,072,068 | -17.19% | |
| Castleknight Management Lp | 0.21% | 473,548 | $5,895,673 | $4,882,280 | -$1,013,393 | -17.19% | |
| Sei Investments Co | 0.01% | 472,517 | $5,882,840 | $4,871,650 | -$1,011,190 | -17.19% | |
| Unisuper Management Pty Ltd | 0.03% | 458,182 | $5,704,366 | $4,723,856 | -$980,510 | -17.19% | |
| Citadel Advisors Llc | 0.00% | 439,630 | $5,473,394 | $4,532,585 | -$940,809 | -17.19% | |
| New York State Common Retirement Fund | 0.01% | 439,371 | $5,470,169 | $4,529,915 | -$940,254 | -17.19% | |
| Hsbc Holdings Plc | 0.00% | 434,094 | $5,348,038 | $4,475,509 | -$872,529 | -16.31% | |
| Trexquant Investment Lp | 0.03% | 421,136 | $5,243,143 | $4,341,912 | -$901,231 | -17.19% | |
| Kestrel Investment Management Corp | 2.75% | 405,400 | $5,047,230 | $4,179,674 | -$867,556 | -17.19% | |
| Tiptree Advisors, Llc | 3.08% | 400,000 | $4,980,000 | $4,124,000 | -$856,000 | -17.19% | |
| Bank Of New York Mellon Corp | 0.00% | 397,180 | $4,944,889 | $4,094,926 | -$849,963 | -17.19% | |
| Invesco Ltd. | 0.00% | 381,441 | $4,748,941 | $3,932,657 | -$816,284 | -17.19% |
Frequently asked questions about ECVT
Who owns the most ECVT stock?
The largest holders of ECVT are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for ECOVYST INC (ECVT).
Is ECVT widely held by superinvestors?
Many widely followed stocks like ECVT appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly ECVT is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.