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ASP Isotopes
ASPI

Overview Fund Activity

95 hedge funds and large institutions have $152M invested in ASP Isotopes in 2025 Q1 according to their latest regulatory filings, with 19 funds opening new positions, 36 increasing their positions, 25 reducing their positions, and 13 closing their positions.

Holders
95
Holders Change
+3
Holders Change %
+3.26%
% of All Funds
1.29%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.04%
New
19
Increased
36
Reduced
25
Closed
13
Calls
$7.7M
Puts
$5.36M
Net Calls
+$2.34M
Net Calls Change
+$3.54M

Top Buyers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$13.5M
2
PFMOSF
2
Philadelphia Financial Management of San Francisco
California
$16.5M
3
AIC
3
AWM Investment Company
New York
$21.2M
4
Group One Trading
4
Group One Trading
Illinois
$1.26M
5
Tudor Investment Corp
5
Tudor Investment Corp
Connecticut
$704K

Top Sellers

1
CP
1
CenterBook Partners
Connecticut
$825K
2
UBS Group
2
UBS Group
Switzerland
$4.76M
3
BNP Paribas Asset Management
3
BNP Paribas Asset Management
France
$17.1M
4
Alyeska Investment Group
4
Alyeska Investment Group
Illinois
$0
5
GCP
5
GSA Capital Partners
United Kingdom
$2.67M
Name Market Value Shares Shares
Change 		Shares
Change %
HDIM
76
Hanson & Doremus Investment Management
Vermont
$23K 5,000 -1,000 -17%
AIP
77
Ameritas Investment Partners
Nebraska
$18.2K 3,883 – –
California State Teachers Retirement System (CalSTRS)
78
California State Teachers Retirement System (CalSTRS)
California
$17.7K 3,765 – –
New York State Common Retirement Fund
79
New York State Common Retirement Fund
New York
$15K 3,300 – –
BNP Paribas Financial Markets
80
BNP Paribas Financial Markets
France
$14.1K 3,001 -4,428 -60%
FDCDDQ
81
Federation des caisses Desjardins du Quebec
Quebec, Canada
$12.6K 2,680 – –
Simplex Trading
82
Simplex Trading
Illinois
$12K 2,578 +1,299 +102%
AB
83
Amalgamated Bank
New York
$8K 1,808 +437 +32%
MCM
84
MAI Capital Management
Ohio
$5.28K 1,125 -1,125 -50%
CIBC Private Wealth Group
85
CIBC Private Wealth Group
Georgia
$1.31K 300 – –
OP
86
ORG Partners
Indiana
$1.13K 235 +235 New
Carson Wealth (CWM LLC)
87
Carson Wealth (CWM LLC)
Nebraska
$1K 116 +37 +47%
GI
88
GAMMA Investing
California
$680 145 +145 New
Nisa Investment Advisors
89
Nisa Investment Advisors
Missouri
$647 138 – –
RA
90
Rise Advisors
New York
$558 119 +119 New
PFBT
91
Parkside Financial Bank & Trust
Missouri
$487 105 +105 New
SCM
92
Sterling Capital Management
North Carolina
$258 55 – –
US Bancorp
93
US Bancorp
Minnesota
$253 54 – –
CIAM
94
Caitong International Asset Management
Hong Kong
$206 44 +44 New
LC
95
Lindbrook Capital
California
$145 31 +31 New
Alyeska Investment Group
96
Alyeska Investment Group
Illinois
– – -347,022 Closed
Two Sigma Advisers
97
Two Sigma Advisers
New York
– – -88,700 Closed
Squarepoint
98
Squarepoint
New York
– – -58,834 Closed
VF
99
Virtu Financial
New York
– – -58,812 Closed
CC
100
Centiva Capital
New York
– – -33,714 Closed
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