ASP Isotopes
ASPI
99 hedge funds and large institutions have $153M invested in ASP Isotopes in 2025 Q1 according to their latest regulatory filings, with 18 funds opening new positions, 38 increasing their positions, 26 reducing their positions, and 13 closing their positions.
200% more funds holding in top 10
Funds holding in top 10: 1 → 3 (+2)
46% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 26
44% more call options, than puts
Call options by funds: $7.7M | Put options by funds: $5.36M
38% more first-time investments, than exits
New positions opened: 18 | Existing positions closed: 13
4% more funds holding
Funds holding: 95 → 99 (+4)
4% more capital invested
Capital invested by funds: $147M → $153M (+$5.37M)
0.06% more ownership
Funds ownership: 45.55% → 45.6% (+0.06%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital Research Global Investors
Los Angeles,
California
|
+$14.3M |
| 2 |
PFMOSF
Philadelphia Financial Management of San Francisco
San Francisco,
California
|
+$1.77M |
| 3 |
AIC
AWM Investment Company
New York
|
+$1.32M |
| 4 |
Group One Trading
Chicago,
Illinois
|
+$1.01M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
+$749K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
CP
CenterBook Partners
Greenwich,
Connecticut
|
-$6.61M |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$4.69M |
| 3 |
BNP Paribas Asset Management
Paris,
France
|
-$3.44M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
-$1.57M |
| 5 |
N
Nuveen
Charlotte,
North Carolina
|
-$1.41M |
ASPI Hedge Fund Activity: Q1 2025 in Review
99 of the 7,457 institutional investors tracked by Wall St. Rank reported a position in ASP Isotopes (ASPI) for Q1 2025, worth a combined $153M — up 3.6% from $147M a quarter earlier.
Buyers outnumbered sellers: 18 funds opened new ASPI positions and 13 closed out — a net gain of 5 holders — while 38 added to existing stakes and 26 trimmed.
The largest buyer was Capital Research Global Investors, opening a new position worth an estimated $14.3M. The largest seller was CenterBook Partners, cutting an estimated $6.61M.
- 99 institutional investors held ASP Isotopes (ASPI) as of Q1 2025, up from 95 in Q4 2024.
- Funds reported $153M of ASP Isotopes stock for Q1 2025, up 3.6% quarter-over-quarter.
- 18 funds opened new ASP Isotopes positions in Q1 2025 and 13 closed out, a net change of +5 holders.
- The largest ASP Isotopes buyer in Q1 2025 was Capital Research Global Investors, an estimated $14.3M added.
- The largest ASP Isotopes seller in Q1 2025 was CenterBook Partners, an estimated $6.61M sold.
Based on aggregated 13F filings for Q1 2025.