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Eton Pharmaceutcials
ETON

Overview Fund Activity

85 hedge funds and large institutions have $183M invested in Eton Pharmaceutcials in 2025 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 29 increasing their positions, 22 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
85
Holders Change
+15
Holders Change %
+21.43%
% of All Funds
1.15%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
26
Increased
29
Reduced
22
Closed
11
Calls
$891K
Puts
$476K
Net Calls
+$415K
Net Calls Change
-$3.46M

Top Buyers

1
Stifel Financial
Stifel Financial
Missouri
+$4.15M
2
CC
Cannell Capital
Wyoming
+$4.02M
3
Susquehanna International Group
Susquehanna International Group
Pennsylvania
+$3.33M
4
Millennium Management
Millennium Management
New York
+$2.82M
5
Acadian Asset Management
Acadian Asset Management
Massachusetts
+$2M

Top Sellers

1
MBAM
Mink Brook Asset Management
Florida
-$4.08M
2
PHP
Parkman Healthcare Partners
Connecticut
-$3.69M
3
WA
Wasatch Advisors
Utah
-$3.08M
4
PCMI
Paradigm Capital Management Inc
New York
-$2.66M
5
AI
Acuitas Investments
Washington
-$2.48M
Name Holding Trade Value Shares
Change 		Shares
Change %
OM
1
Opaleye Management
Massachusetts
$37M – – –
EC
2
EcoR1 Capital
California
$25.2M +$1.42M +109,685 +6%
NCM
3
Nantahala Capital Management
Connecticut
$15.3M +$746K +57,468 +5%
Vanguard Group
4
Vanguard Group
Pennsylvania
$14.3M +$484K +37,256 +4%
CC
5
Cannell Capital
Wyoming
$8.97M +$4.02M +310,044 +81%
WIM
6
Westside Investment Management
California
$6.41M -$1.06M -81,572 -14%
Susquehanna International Group
7
Susquehanna International Group
Pennsylvania
$5.83M +$3.33M +256,478 +133%
Acadian Asset Management
8
Acadian Asset Management
Massachusetts
$5.22M +$2M +153,923 +62%
Millennium Management
9
Millennium Management
New York
$4.62M +$2.82M +217,042 +156%
BlackRock
10
BlackRock
New York
$4.48M +$360K +27,735 +9%
Stifel Financial
11
Stifel Financial
Missouri
$4.15M +$4.15M +319,990 New
Geode Capital Management
12
Geode Capital Management
Massachusetts
$3.87M +$384K +29,602 +11%
Renaissance Technologies
13
Renaissance Technologies
New York
$3.56M +$1.05M +80,900 +42%
AC
14
Aristides Capital
Kentucky
$3.14M – – –
Connor, Clark & Lunn Investment Management (CC&L)
15
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$3.02M +$229K +17,654 +8%
TSW
16
Thompson Siegel & Walmsley
Virginia
$2.46M +$802K +61,824 +48%
Goldman Sachs
17
Goldman Sachs
New York
$2.27M +$589K +45,341 +35%
PCM
18
Prelude Capital Management
New York
$2.2M +$1.88M +145,194 +599%
Morgan Stanley
19
Morgan Stanley
New York
$1.91M +$1.74M +134,139 +1,017%
MBAM
20
Mink Brook Asset Management
Florida
$1.84M -$4.08M -314,317 -69%
BCM
21
Bridgeway Capital Management
Texas
$1.76M -$1.35M -103,692 -43%
State Street
22
State Street
Massachusetts
$1.48M +$116K +8,900 +8%
JPMorgan Chase & Co
23
JPMorgan Chase & Co
New York
$1.47M +$794K +61,152 +118%
CSS
24
Cubist Systematic Strategies
Connecticut
$1.34M +$778K +59,961 +139%
Jane Street
25
Jane Street
New York
$1.25M +$410K +31,596 +49%
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