We are live on ! Find out more
ASPI icon

ASP Isotopes

173 hedge funds and large institutions have $313M invested in ASP Isotopes in 2025 Q4 according to their latest regulatory filings, with 49 funds opening new positions, 77 increasing their positions, 35 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

120% more repeat investments, than reductions

Existing positions increased: 77 | Existing positions reduced: 35

103% more call options, than puts

Call options by funds: $44M | Put options by funds: $21.6M

58% more first-time investments, than exits

New positions opened: 49 | Existing positions closed: 31

10% more funds holding

Funds holding: 157173 (+16)

4.74% less ownership

Funds ownership: 57.57%52.83% (-4.7%)

38% less capital invested

Capital invested by funds: $509M → $313M (-$196M)

75% less funds holding in top 10

Funds holding in top 10: 41 (-3)

Holders
173
Holders Change
+16
Holders Change %
+10.19%
% of All Funds
2.1%
Holding in Top 10
1
Holding in Top 10 Change
-3
Holding in Top 10 Change %
-75%
% of All Funds
0.01%
New
49
Increased
77
Reduced
35
Closed
31
Calls
$44M
Puts
$21.6M
Net Calls
+$22.4M
Net Calls Change
-$1.85M
Name Holding Trade Value Shares
Change
Change in
Stake
DCM
176
Driehaus Capital Management
Illinois
-$13.7M -1,419,837 Closed
JF
177
Jump Financial
Illinois
-$8.99M -934,500 Closed
SBF
178
Sara-Bay Financial
Florida
-$8.69M -903,103 Closed
ECA
179
Encompass Capital Advisors
New York
-$4.81M -500,000 Closed
Voloridge Investment Management
180
Voloridge Investment Management
Florida
-$4.02M -417,908 Closed
Millennium Management
181
Millennium Management
New York
-$2.37M -245,985 Closed
CCS
182
Concentric Capital Strategies
Connecticut
-$2.1M -218,054 Closed
Renaissance Technologies
183
Renaissance Technologies
New York
-$1.94M -201,200 Closed
Baird Financial Group
184
Baird Financial Group
Wisconsin
-$1.85M -192,308 Closed
XT
185
XTX Topco
Cayman Islands
-$1.34M -139,782 Closed
VF
186
Virtu Financial
New York
-$1.16M -120,131 Closed
SGDR
187
SPX Gestao de Recursos
Brazil
-$1.05M -109,600 Closed
AllianceBernstein
188
AllianceBernstein
Tennessee
-$951K -98,870 Closed
EI
189
EAM Investors
California
-$656K -68,148 Closed
HF
190
HRT Financial
New York
-$526K -54,714 Closed
Universal-Beteiligungs- und Servicegesellschaft
191
Universal-Beteiligungs- und Servicegesellschaft
Germany
-$433K -45,000 Closed
Mariner
192
Mariner
Kansas
-$395K -41,030 Closed
OAC
193
OMERS Administration Corp
Ontario, Canada
-$314K -32,600 Closed
Belvedere Trading
194
Belvedere Trading
Illinois
-$229K -23,822 Closed
FTUS
195
Flow Traders U.S.
New York
-$228K -23,703 Closed
Point72 Asset Management
196
Point72 Asset Management
Connecticut
-$225K -23,371 Closed
NA
197
NewEdge Advisors
Louisiana
-$211K -21,900 Closed
SB
198
SIG Brokerage
New York
-$166K -20,912 Closed
OCM
199
Once Capital Management
New York
-$92.4K -9,600 Closed
SSG
200
Summit Securities Group
New York
-$26.7K -2,778 Closed