Ecovyst Inc. (ECVT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

6,862,991Shares held by institutions

$88,292,379Value of institutional holdings

104.95%Institutional ownership %

12.33%Shares Changed QoQ

174No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Ecovyst Inc. (NYSE:ECVT) appears in 159 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 102.0% of outstanding shares in December 2025, down from 104.4% in September 2025.
Their total shares held in ECVT increased 3.1% from the prior quarter, while the number of investors in Ecovyst decreased 6.47% year over year.
Activity in ECVT broke down as 65 buyers, 61 sellers, and 33 unchanged among 159 total holders.
In total, institutional investors held 117.12Mn shares in Ecovyst as of December 2025, up by 3.52Mn shares quarter on quarter, and up 11.96Mn shares year over year.
VANGUARD GROUP INC is the top holder of Ecovyst as of December 31, 2025, with 11.11Mn shares representing 9.67% of outstanding stock.
Top purchasers of ECVT stock for the quarter ending December 2025 included BRIGHTLINE CAPITAL MANAGEMENT, LLC (2.05Mn), OAKTREE CAPITAL MANAGEMENT LP (1.4Mn), NewEdge Advisors, LLC (895.36K), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (716.24K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (704.58K).
The largest sellers of Ecovyst for the quarter ending December 2025 were SHAPIRO CAPITAL MANAGEMENT LLC (1.63Mn), Bank Of America Corp /De/ (861.57K), D. E. Shaw & Co., Inc. (533.31K), BROWN ADVISORY INC (450.06K), Allspring Global Investments Holdings, LLC (379.47K).
Business Quant data shows the 10 biggest positions in Ecovyst as of December 2025 are held by VANGUARD GROUP INC (11.11Mn), Rubric Capital Management LP (10.5Mn), BlackRock, Inc. (10.45Mn), HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (9.57Mn), DIMENSIONAL FUND ADVISORS LP (6.39Mn), MANGROVE PARTNERS IM, LLC (5.45Mn), BROWN ADVISORY INC (5.02Mn), OAKTREE CAPITAL MANAGEMENT LP (4.25Mn), Allspring Global Investments Holdings, LLC (4.13Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (2.73Mn).

159 Institutional Holders

6,862,991 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	179,210	1.75%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	191,394	1.75%	$0.00
Rubric Capital Management LP	31 Dec, 2025	100,000	0.96%	$0.00
Barclays Plc	31 Dec, 2025	-195,914	-45.96%	$0.00
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	31 Dec, 2025	716,240	8.09%	$0.00
Allspring Global Investments Holdings, LLC	31 Dec, 2025	-379,472	-8.42%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	1,350	0.00%	$0.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	130,206	2.08%	$0.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	-285,411	-9.47%	$0.00
MANGROVE PARTNERS IM, LLC	31 Dec, 2025	-26,184	-0.48%	$0.00
Medina Value Partners, LLC	31 Dec, 2025	31,877	1.48%	$0.00
BROWN ADVISORY INC	31 Dec, 2025	-450,057	-8.22%	$0.00
Invenomic Capital Management LP	31 Dec, 2025	-2,846	-0.15%	$0.00
OAKTREE CAPITAL MANAGEMENT LP	31 Dec, 2025	1,395,481	48.81%	$0.00
Owls Nest Partners IA, LLC	31 Dec, 2025	175,060	10.60%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-29,956	-1.11%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	58,496	4.78%	$0.00
State Street Corp	31 Dec, 2025	17,702	0.70%	$0.00
NewEdge Advisors, LLC	31 Dec, 2025	895,364	0.00%	$0.00
SHAPIRO CAPITAL MANAGEMENT LLC	31 Dec, 2025	-1,630,805	-41.70%	$0.00

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