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Ecovyst

169 hedge funds and large institutions have $1.03B invested in Ecovyst in 2025 Q3 according to their latest regulatory filings, with 31 funds opening new positions, 63 increasing their positions, 51 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

24% more repeat investments, than reductions

Existing positions increased: 63 | Existing positions reduced: 51

6% more capital invested

Capital invested by funds: $976M → $1.03B (+$55.3M)

1.66% more ownership

Funds ownership: 101.37%103.02% (+1.7%)

5% less funds holding

Funds holding: 177169 (-8)

16% less first-time investments, than exits

New positions opened: 31 | Existing positions closed: 37

29% less funds holding in top 10

Funds holding in top 10: 75 (-2)

Holders
169
Holders Change
-8
Holders Change %
-4.52%
% of All Funds
2.22%
Holding in Top 10
5
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-28.57%
% of All Funds
0.07%
New
31
Increased
63
Reduced
51
Closed
37
Calls
$3K
Puts
Net Calls
+$3K
Net Calls Change
-$4.11M
Name Holding Trade Value Shares
Change
Change in
Stake
Vanguard Group
1
Vanguard Group
Pennsylvania
$95.7M +$2.36M +267,695 +3%
RCMNY
2
Rubric Capital Management (New York)
New York
$91.1M +$50.2M +5,692,653 +121%
BlackRock
3
BlackRock
New York
$90M +$908K +103,070 +1%
Hotchkis & Wiley Capital Management
4
Hotchkis & Wiley Capital Management
California
$77.5M -$20.9M -2,366,643 -21%
Dimensional Fund Advisors
5
Dimensional Fund Advisors
Texas
$54.8M +$682K +77,374 +1%
Brown Advisory
6
Brown Advisory
Maryland
$48M +$48.3M +5,474,867 New
MP
7
Mangrove Partners
Connecticut
$48M +$8.25M +935,647 +21%
Allspring Global Investments
8
Allspring Global Investments
North Carolina
$38.6M -$3.19M -361,859 -7%
SCM
9
Shapiro Capital Management
Georgia
$34.3M -$14.9M -1,686,246 -30%
Boston Partners
10
Boston Partners
Massachusetts
$28.1M -$148K -16,826 -0.5%
William Blair Investment Management
11
William Blair Investment Management
Illinois
$26.4M -$1.61M -182,742 -6%
OCM
12
Oaktree Capital Management
California
$25M +$25.2M +2,859,022 New
Geode Capital Management
13
Geode Capital Management
Massachusetts
$23.7M +$1.59M +180,763 +7%
State Street
14
State Street
Massachusetts
$22.1M -$296K -33,607 -1%
Charles Schwab
15
Charles Schwab
California
$19.7M +$691K +78,392 +4%
FWSM
16
First Wilshire Securities Management
California
$19.1M -$156K -17,690 -0.8%
MVP
17
Medina Value Partners
California
$18.9M -$8.88M -1,007,350 -32%
Ameriprise
18
Ameriprise
Minnesota
$18.8M +$4.93M +559,700 +35%
ICM
19
Invenomic Capital Management
Massachusetts
$16.7M +$16.8M +1,909,686 New
ONPI
20
Owls Nest Partners IA
Pennsylvania
$14.5M +$9.96M +1,129,489 +217%
TSW
21
Thompson Siegel & Walmsley
Virginia
$13.3M +$58.7K +6,662 +0.4%
Loomis, Sayles & Company
22
Loomis, Sayles & Company
Massachusetts
$11M +$1.85M +209,799 +20%
Point72 Asset Management
23
Point72 Asset Management
Connecticut
$10.7M -$171K -19,396 -2%
Morgan Stanley
24
Morgan Stanley
New York
$9.64M +$6M +681,185 +162%
Northern Trust
25
Northern Trust
Illinois
$8.91M +$659K +74,785 +8%

ECVT Hedge Fund Activity: Q3 2025 in Review

169 of the 7,620 institutional investors tracked by Wall St. Rank reported a position in Ecovyst (ECVT) for Q3 2025, worth a combined $1.03B — up 5.7% from $976M a quarter earlier.

Sellers outnumbered buyers: 37 funds closed out of ECVT and 31 opened new positions — a net loss of 6 holders — while 51 trimmed existing stakes and 63 added.

The largest buyer was Rubric Capital Management (New York), adding an estimated $50.2M. The largest seller was Western Standard LLC, exiting entirely with an estimated $29.4M sold.

  • 169 institutional investors held Ecovyst (ECVT) as of Q3 2025, down from 177 in Q2 2025.
  • Funds reported $1.03B of Ecovyst stock for Q3 2025, up 5.7% quarter-over-quarter.
  • 31 funds opened new Ecovyst positions in Q3 2025 and 37 closed out, a net change of -6 holders.
  • The largest Ecovyst buyer in Q3 2025 was Rubric Capital Management (New York), an estimated $50.2M added.
  • The largest Ecovyst seller in Q3 2025 was Western Standard LLC, an estimated $29.4M sold.

Based on aggregated 13F filings for Q3 2025.