Ecovyst ECVT Institutional Ownership

NYSE ECVT

$10.06 -0.07 (-0.69%)

As of: Oct 20, 2026 · 3:59 PM EDT

Institutions by Trading Activity

209 Institutions

Increased 127 60.8%

Unchanged 28 13.4%

Reduced 54 25.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

99.88%

Shares Held by Institutions

109.34Mn

of 109.47Mn outstanding

▼-2.15% QoQ

Shares Outstanding

109.47Mn

130.64K held outside 13F filers

Institutional Investors

209

filed 13F for Jun 2026

▲+11 vs prior quarter

Net Shares Added (QoQ)

-2.41Mn

distributed since last quarter

Value of Holdings

$1.11Bn

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

Updated Oct 11, 2026

Ecovyst Inc. (NYSE:ECVT) appeared in the 13F filings of 209 institutional investors for the quarter ended June 30, 2026.

These investors owned 99.88% of Ecovyst's outstanding stock in Q2 2026.
Total holdings of Ecovyst shares fell 2.15% from Q1 2026, and the number of holders rose 20.11% from Q2 2025.
Among the 209 holders of Ecovyst, 127 added to their positions, 54 reduced their stakes and 28 left their positions unchanged.
Institutional investors held 109.34Mn shares of Ecovyst in total at the end of Q2 2026, down 2.41Mn from the prior quarter and down 8.55Mn from a year earlier.
BlackRock, Inc. led 13F holders of ECVT with 10.67Mn shares as of June 30, 2026, or 9.74% of shares outstanding.
Holders that added the most shares of Ecovyst in Q2 2026 were BlackRock, Inc. (+1.93Mn shares), American Century Companies Inc (+1.45Mn shares), Goldman Sachs Group Inc (+1.21Mn shares), FMR LLC (+866.28K shares) and Vanguard Portfolio Management LLC (+846.52K shares).
The largest position reductions in ECVT for Q2 2026 were by Hotchkis & Wiley Capital Management LLC (-4.01Mn shares), Allspring Global Investments Holdings, LLC (-2.39Mn shares), Owls Nest Partners IA, LLC (-1.18Mn shares), William Blair Investment Management, LLC (-1Mn shares) and Point72 Asset Management, L.P. (-962.31K shares).
Business Quant data shows the 10 biggest positions in Ecovyst as of Q2 2026 were held by BlackRock, Inc. (10.67Mn shares), Rubric Capital Management LP (8.21Mn shares), Dimensional Fund Advisors LP (6.59Mn shares), Vanguard Portfolio Management LLC (6.09Mn shares), FMR LLC (5.33Mn shares), Arrowstreet Capital, Limited Partnership (5.13Mn shares), Vanguard Capital Management LLC (4.84Mn shares), Brown Advisory Inc (4.53Mn shares), American Century Companies Inc (3.47Mn shares) and Geode Capital Management, LLC (3.15Mn shares).

Form 13F Holdings

209 Institutional Holders

Report period 30 Jun, 2026

Total shares held 109.34Mn

Of outstanding 99.88%

#	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	4.42%	▼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
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
20	HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0001164833	1,404,452	1.28%	▼4,009,410	-74.06%	$17.49Mn

Showing 1 to 20 of 209 holders