ASPI icon

ASP Isotopes

124 hedge funds and large institutions have $304M invested in ASP Isotopes in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 47 increasing their positions, 21 reducing their positions, and 14 closing their positions.

Holders
124
Holders Change
+29
Holders Change %
+30.53%
% of All Funds
1.67%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
46
Increased
47
Reduced
21
Closed
14
Calls
$13.7M
Puts
$12.6M
Net Calls
+$1.06M
Net Calls Change
-$1.28M
Name Market Value Shares Shares
Change
Shares
Change %
Alyeska Investment Group
1
Alyeska Investment Group
Illinois
$30.8M 4,179,934 +4,179,934 New
BlackRock
2
BlackRock
New York
$29.7M 4,028,715 -22,365 -0.6%
AIC
3
AWM Investment Company
New York
$28.9M 3,931,186 -580,000 -13%
Vanguard Group
4
Vanguard Group
Pennsylvania
$24.1M 3,275,739 +187,687 +6%
Capital Research Global Investors
5
Capital Research Global Investors
California
$21.1M 2,868,062
PFMOSF
6
Philadelphia Financial Management of San Francisco
California
$19.7M 2,670,211 -837,851 -24%
RIM
7
Rovida Investment Management
Cayman Islands
$16.1M 2,200,000 +1,850,000 +529%
BNP Paribas Asset Management
8
BNP Paribas Asset Management
France
$14.5M 1,965,484 -1,672,731 -46%
UBS Group
9
UBS Group
Switzerland
$10.5M 1,428,276 +412,812 +41%
TAM
10
Telemark Asset Management
Massachusetts
$10.5M 1,425,000 -50,000 -3%
DCM
11
Driehaus Capital Management
Illinois
$10.3M 1,405,414 +1,405,414 New
Geode Capital Management
12
Geode Capital Management
Massachusetts
$9.92M 1,348,072 +94,751 +8%
ETC
13
Exchange Traded Concepts
Oklahoma
$9.59M 1,303,414 +1,303,414 New
State Street
14
State Street
Massachusetts
$8.2M 1,114,200 +66,856 +6%
Group One Trading
15
Group One Trading
Illinois
$5.2M 706,788 +437,160 +162%
Invesco
16
Invesco
Georgia
$3.47M 471,219 +450,776 +2,205%
Morgan Stanley
17
Morgan Stanley
New York
$3.32M 451,329 +188,866 +72%
Northern Trust
18
Northern Trust
Illinois
$3.19M 433,288 -27,441 -6%
GCP
19
GSA Capital Partners
United Kingdom
$2.83M 384,326 -185,252 -33%
Two Sigma Investments
20
Two Sigma Investments
New York
$2.52M 342,912 +139,845 +69%
Tudor Investment Corp
21
Tudor Investment Corp
Connecticut
$2.47M 334,998 +184,975 +123%
DC
22
Diametric Capital
Massachusetts
$1.98M 269,527 -123,498 -31%
Simplex Trading
23
Simplex Trading
Illinois
$1.77M 240,150 +237,572 +9,215%
Voloridge Investment Management
24
Voloridge Investment Management
Florida
$1.66M 225,249 +225,249 New
JPMorgan Chase & Co
25
JPMorgan Chase & Co
New York
$1.61M 219,105 -9,601 -4%