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Ecovyst
ECVT

Overview Fund Activity

161 hedge funds and large institutions have $663M invested in Ecovyst in 2025 Q1 according to their latest regulatory filings, with 20 funds opening new positions, 54 increasing their positions, 60 reducing their positions, and 27 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
161
Holders Change
-8
Holders Change %
-4.73%
% of All Funds
2.19%
Holding in Top 10
5
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
20
Increased
54
Reduced
60
Closed
27
Calls
$1.47M
Puts
$70K
Net Calls
+$1.4M
Net Calls Change
+$1.41M

Top Buyers

1
MP
1
Mangrove Partners
Connecticut
$28.1M
2
VC
2
Voss Capital
Texas
$7.43M
3
CM
3
CastleKnight Management
New York
$4.31M
4
UB
4
UMB Bank
Missouri
$3.22M
5
WSL
5
Western Standard LLC
California
$10.6M

Top Sellers

1
Boston Partners
1
Boston Partners
Massachusetts
$4.77M
2
Goldman Sachs
2
Goldman Sachs
New York
$4.06M
3
BlackRock
3
BlackRock
New York
$64.6M
4
Hotchkis & Wiley Capital Management
4
Hotchkis & Wiley Capital Management
California
$78.3M
5
UBS Group
5
UBS Group
Switzerland
$1.07M
Name Holding Trade Value Shares
Change 		Shares
Change %
Renaissance Technologies
51
Renaissance Technologies
New York
$1.75M -$678K -109,300 -28%
SC
52
Shay Capital
New York
$1.74M +$1.11M +178,255 +175%
ONPI
53
Owls Nest Partners IA
Pennsylvania
$1.63M +$1.63M +263,630 New
Invesco
54
Invesco
Georgia
$1.55M -$433K -69,889 -22%
UBS AM
55
UBS AM
Illinois
$1.54M – – –
NIMC
56
Nierenberg Investment Management Company
Washington
$1.42M – – –
Susquehanna International Group
57
Susquehanna International Group
Pennsylvania
$1.41M +$999K +161,074 +242%
Swiss National Bank
58
Swiss National Bank
Switzerland
$1.33M -$16.7K -2,700 -1%
AI
59
Atom Investors
Texas
$1.18M -$15.9K -2,568 -1%
SEI Investments
60
SEI Investments
Pennsylvania
$1.16M -$167K -26,956 -13%
RhumbLine Advisers
61
RhumbLine Advisers
Massachusetts
$1.09M -$437K -70,502 -29%
UBS Group
62
UBS Group
Switzerland
$1.07M -$1.5M -242,300 -58%
AQR Capital Management
63
AQR Capital Management
Connecticut
$978K -$30.8K -4,966 -3%
EIP
64
Easterly Investment Partners
Massachusetts
$963K – – –
BFM
65
Boothbay Fund Management
New York
$927K +$490K +79,052 +112%
Amundi
66
Amundi
France
$921K -$77.7K -13,125 -8%
Jane Street
67
Jane Street
New York
$877K +$794K +128,105 +954%
Barclays
68
Barclays
United Kingdom
$869K -$361K -58,219 -29%
Legal & General Group
69
Legal & General Group
United Kingdom
$820K +$33.8K +5,457 +4%
Federated Hermes
70
Federated Hermes
Pennsylvania
$759K – – –
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$645K – – –
Citigroup
72
Citigroup
New York
$630K -$46.2K -7,458 -7%
Deutsche Bank
73
Deutsche Bank
Germany
$533K -$60.2K -9,707 -10%
DTL
74
Dynamic Technology Lab
Singapore
$524K +$524K +84,595 New
Wells Fargo
75
Wells Fargo
California
$500K +$1.41K +227 +0.3%
1 2
3
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