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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
UB
51
UMB Bank
Missouri
$2.65M – – –
Barclays
52
Barclays
United Kingdom
$2.24M -$156K -17,882 -7%
Renaissance Technologies
53
Renaissance Technologies
New York
$2.24M -$92.5K -10,600 -4%
NIMC
54
Nierenberg Investment Management Company
Washington
$2.23M – – –
Swiss National Bank
55
Swiss National Bank
Switzerland
$2.2M -$17.5K -2,000 -0.9%
UBS AM
56
UBS AM
Illinois
$1.98M -$93.3K -10,690 -5%
EIP
57
Easterly Investment Partners
Massachusetts
$1.63M – – –
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
$1.48M -$222K -25,401 -14%
AI
59
Atom Investors
Texas
$1.45M -$154K -17,598 -11%
LSV Asset Management
60
LSV Asset Management
Illinois
$1.42M -$1.59M -181,800 -55%
Wells Fargo
61
Wells Fargo
California
$1.4M +$356K +40,797 +40%
HP
62
Hartree Partners
New York
$1.31M +$1.18M +135,000 New
AllianceBernstein
63
AllianceBernstein
Tennessee
$1.21M – – –
Legal & General Group
64
Legal & General Group
United Kingdom
$1.15M -$117K -13,445 -10%
BFG
65
Bleakley Financial Group
New Jersey
$1.14M +$1.02M +117,400 New
Federated Hermes
66
Federated Hermes
Pennsylvania
$1.13M +$6.98K +800 +0.7%
California State Teachers Retirement System (CalSTRS)
67
California State Teachers Retirement System (CalSTRS)
California
$1.12M -$29.2K -3,344 -3%
T. Rowe Price Associates
68
T. Rowe Price Associates
Maryland
$909K +$39.3K +4,500 +5%
Deutsche Bank
69
Deutsche Bank
Germany
$822K +$32.5K +3,729 +5%
QCM
70
Quantinno Capital Management
New York
$752K -$96.7K -11,088 -13%
CHAM
71
Clear Harbor Asset Management
Connecticut
$751K +$325K +37,200 +93%
AQR Capital Management
72
AQR Capital Management
Connecticut
$720K -$708K -81,141 -52%
Franklin Resources
73
Franklin Resources
California
$691K – – –
RC
74
RBF Capital
California
$681K – – –
Comerica Bank
75
Comerica Bank
Texas
$645K -$28.7K -3,294 -5%
1 2
3
4 5

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.