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Ecovyst
ECVT

161 hedge funds and large institutions have $1.14B invested in Ecovyst in 2025 Q4 according to their latest regulatory filings, with 20 funds opening new positions, 47 increasing their positions, 60 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

40% more funds holding in top 10

Funds holding in top 10: 5 → 7 (+2)

10% more capital invested

Capital invested by funds: $1.03B → $1.14B (+$104M)

0.78% less ownership

Funds ownership: 103.02% → 102.25% (-0.78%)

5% less funds holding

Funds holding: 169 → 161 (-8)

20% less first-time investments, than exits

New positions opened: 20 | Existing positions closed: 25

22% less repeat investments, than reductions

Existing positions increased: 47 | Existing positions reduced: 60

Holders
161
Holders Change
-8
Holders Change %
-4.73%
% of All Funds
1.96%
Holding in Top 10
7
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+40%
% of All Funds
0.09%
New
20
Increased
47
Reduced
60
Closed
25
Calls
$585K
Puts
–
Net Calls
+$585K
Net Calls Change
+$582K

Top Buyers

1
BCM
Brightline Capital Management
Florida
+$17.9M
2
OCM
Oaktree Capital Management
California
+$12.2M
3
NA
NewEdge Advisors
Louisiana
+$7.81M
4
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management
California
+$6.25M
5
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$6.15M

Top Sellers

1
Boston Partners
Boston Partners
Massachusetts
-$28.1M
2
SCM
Shapiro Capital Management
Georgia
-$14.2M
3
SCM
Simcoe Capital Management
New York
-$6.72M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$4.65M
5
Brown Advisory
Brown Advisory
Maryland
-$3.93M
Name Holding Trade Value Shares
Change 		Change in
Stake
ET
101
Entropy Technologies
New York
$260K +$234K +26,766 New
BNP Paribas Financial Markets
102
BNP Paribas Financial Markets
France
$247K +$18.3K +2,100 +9%
BFM
103
Boothbay Fund Management
New York
$245K -$216K -24,808 -50%
KK
104
KLP Kapitalforvaltning
Norway
$236K -$30.5K -3,500 -13%
SOADOR
105
State of Alaska Department of Revenue
Alaska
$235K +$164K +18,765 +342%
Amundi
106
Amundi
France
$212K -$966K -110,759 -84%
Jane Street
107
Jane Street
New York
$204K -$719K -82,410 -80%
ProShare Advisors
108
ProShare Advisors
Maryland
$203K +$7.3K +837 +4%
VOYA Investment Management
109
VOYA Investment Management
Georgia
$200K – – –
AWA
110
Amplius Wealth Advisors
Pennsylvania
$178K – – –
XT
111
XTX Topco
Cayman Islands
$176K +$158K +18,081 New
Pictet Asset Management
112
Pictet Asset Management
Switzerland
$175K +$35.6K +4,080 +29%
Luther King Capital Management (LKCM)
113
Luther King Capital Management (LKCM)
Texas
$161K – – –
DekaBank Deutsche Girozentrale
114
DekaBank Deutsche Girozentrale
Germany
$153K – – –
Susquehanna International Group
115
Susquehanna International Group
Pennsylvania
$153K +$137K +15,710 New
DFCM
116
Dark Forest Capital Management
Puerto Rico
$151K -$581K -66,558 -81%
CIA
117
Cape Investment Advisory
Georgia
$146K +$131K +15,000 New
Lazard Asset Management
118
Lazard Asset Management
New York
$140K – – –
Victory Capital Management
119
Victory Capital Management
Texas
$126K +$576 +66 +0.5%
Citigroup
120
Citigroup
New York
$123K -$69.6K -7,976 -39%
WS
121
Wedbush Securities
California
$122K – – –
ECM
122
Everence Capital Management
Indiana
$119K – – –
TRCT
123
Tower Research Capital (TRC)
New York
$118K +$58.4K +6,691 +123%
CAPTRUST Financial Advisors
124
CAPTRUST Financial Advisors
North Carolina
$113K -$50K -5,732 -33%
CA
125
Clearstead Advisors
Ohio
$111K -$130K -14,939 -57%
3 4
5
6 7

ECVT Hedge Fund Activity: Q4 2025 in Review

161 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in Ecovyst (ECVT) for Q4 2025, worth a combined $1.14B — up 10% from $1.03B a quarter earlier.

Sellers outnumbered buyers: 25 funds closed out of ECVT and 20 opened new positions — a net loss of 5 holders — while 60 trimmed existing stakes and 47 added.

The largest buyer was Brightline Capital Management, opening a new position worth an estimated $17.9M. The largest seller was Boston Partners, exiting entirely with an estimated $28.1M sold.

  • 161 institutional investors held Ecovyst (ECVT) as of Q4 2025, down from 169 in Q3 2025.
  • Funds reported $1.14B of Ecovyst stock for Q4 2025, up 10% quarter-over-quarter.
  • 20 funds opened new Ecovyst positions in Q4 2025 and 25 closed out, a net change of -5 holders.
  • The largest Ecovyst buyer in Q4 2025 was Brightline Capital Management, an estimated $17.9M added.
  • The largest Ecovyst seller in Q4 2025 was Boston Partners, an estimated $28.1M sold.

Based on aggregated 13F filings for Q4 2025.