Ecovyst ECVT Institutional Ownership

NYSE ECVT

$10.26 +0.14 (+1.33%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

210 Institutions

Increased 128 61.0%

Unchanged 27 12.9%

Reduced 55 26.2%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

101.63%

▼-2.00 pp QoQ

Shares Held by Institutions

111.24Mn

of 109.46Mn outstanding

▲+8.06% QoQ

Shares Outstanding

109.46Mn

-1.78Mn held outside 13F filers

Institutional Investors

210

filed 13F for Jun 2026

▲+12 vs prior quarter

Net Shares Added (QoQ)

+8.30Mn

accumulated since last quarter

Value of Holdings

$1.13Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Ecovyst Inc. (NYSE:ECVT) showed up in the 13F filings of 210 institutional investors as of June 2026.

Collectively, these holders controlled 101.6% of Ecovyst's outstanding shares in June 2026, down from 103.6% in March 2026.
Their total shares held in ECVT increased 8.06% quarter over quarter, and separately, investors owning Ecovyst increased 19.32% from a year ago.
Of these 210 holders, 128 added to their stakes in Ecovyst, 55 trimmed positions, and 27 made no changes.
In total, institutional investors held 111.24Mn shares in Ecovyst as of June 2026, up by 8.3Mn shares quarter on quarter, and down 11.09Mn shares year over year.
BlackRock, Inc. holds the largest position in ECVT at 10.67Mn shares as of June 30, 2026, or 9.74% of shares outstanding.
Leading buyers of Ecovyst shares for the quarter ending June 2026 were AltraVue Capital, LLC (2.01Mn), BlackRock, Inc. (1.93Mn), Sixth Street Partners Management Company, L.P. (1.9Mn), Qube Research & Technologies Ltd (1.66Mn), AMERICAN CENTURY COMPANIES INC (1.45Mn).
The largest sales of ECVT for the quarter ending June 2026 came from HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC (4.01Mn), Allspring Global Investments Holdings, LLC (2.39Mn), Owls Nest Partners IA, LLC (1.18Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.0Mn), Point72 Asset Management, L.P. (962.31K).
Ecovyst's 10 largest shareholders as of June 2026 include BlackRock, Inc. (10.67Mn), Rubric Capital Management LP (8.21Mn), DIMENSIONAL FUND ADVISORS LP (6.59Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (6.09Mn), FMR LLC (5.33Mn), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (5.13Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.84Mn), BROWN ADVISORY INC (4.53Mn), AMERICAN CENTURY COMPANIES INC (3.47Mn), GEODE CAPITAL MANAGEMENT, LLC (3.15Mn) per Business Quant data.

Form 13F Holdings

210 Institutional Holders

Report period 30 Jun, 2026

Total shares held 111.24Mn

Of outstanding 101.63%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	10,666,032	9.74%	▲1,931,812	+22.12%	$132.79Mn
2	Rubric Capital Management LP	0001687509	8,211,888	7.50%	▼924,179	-10.12%	$102.24Mn
3	DIMENSIONAL FUND ADVISORS LP	0000354204	6,585,047	6.02%	▲86,393	+1.33%	$81.98Mn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	6,090,922	5.56%	▲846,516	+16.14%	$75.83Mn
5	FMR LLC	0000315066	5,333,701	4.87%	▲866,276	+19.39%	$66.40Mn
6	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	5,132,947	4.69%	▲303,913	+6.29%	$63.91Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,843,861	4.43%	▼133,719	-2.69%	$60.31Mn
8	BROWN ADVISORY INC	0001345929	4,533,515	4.14%	▼308,659	-6.37%	$56.44Mn
9	AMERICAN CENTURY COMPANIES INC	0000748054	3,474,853	3.17%	▲1,449,583	+71.57%	$43.26Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	3,149,827	2.88%	▲386,373	+13.98%	$39.22Mn
11	BRIGHTLINE CAPITAL MANAGEMENT, LLC	0001432450	3,012,000	2.75%	▲212,000	+7.57%	$37.50Mn
12	State Street Corp	0000093751	2,675,032	2.44%	▲97,641	+3.79%	$33.30Mn
13	Goldman Sachs Group Inc	0000886982	2,621,153	2.39%	▲1,214,268	+86.31%	$32.63Mn
14	Ameriprise Financial Inc	0000820027	2,229,504	2.04%	▲97,841	+4.59%	$27.76Mn
15	FIRST WILSHIRE SECURITIES MANAGEMENT INC	0000732847	2,171,238	1.98%	▼25,546	-1.16%	$27.03Mn
16	AltraVue Capital, LLC	0001740837	2,008,430	1.83%	▲2,008,430	0.00%	$25.00Mn
17	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,898,885	1.73%	▼228,029	-10.72%	$23.64Mn
17	Sixth Street Partners Management Company, L.P.	0001812095	1,898,885	1.73%	▲1,898,885	0.00%	$23.64Mn
18	Qube Research & Technologies Ltd	0001729829	1,663,145	1.52%	▲1,663,145	0.00%	$20.71Mn
19	Allspring Global Investments Holdings, LLC	0001890906	1,408,019	1.29%	▼2,390,370	-62.93%	$16.90Mn

Showing 1 to 20 of 210 holders