ASP Isotopes
ASPI
177 hedge funds and large institutions have $283M invested in ASP Isotopes in 2026 Q1 according to their latest regulatory filings, with 42 funds opening new positions, 78 increasing their positions, 40 reducing their positions, and 33 closing their positions.
162% more call options, than puts
Call options by funds: $40.4M | Put options by funds: $15.4M
95% more repeat investments, than reductions
Existing positions increased: 78 | Existing positions reduced: 40
27% more first-time investments, than exits
New positions opened: 42 | Existing positions closed: 33
4.77% more ownership
Funds ownership: 52.83% → 57.6% (+4.8%)
2% more funds holding
Funds holding: 173 → 177 (+4)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
10% less capital invested
Capital invested by funds: $313M → $283M (-$30.7M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ECA
Encompass Capital Advisors
New York
|
+$40.9M |
| 2 |
BlackRock
New York
|
+$9.1M |
| 3 |
ETC
Exchange Traded Concepts
Oklahoma City,
Oklahoma
|
+$4.63M |
| 4 |
PFMOSF
Philadelphia Financial Management of San Francisco
San Francisco,
California
|
+$3.83M |
| 5 |
SBF
Sara-Bay Financial
Sarasota,
Florida
|
+$3.47M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alyeska Investment Group
Chicago,
Illinois
|
-$13M |
| 2 |
Goldman Sachs
New York
|
-$7.03M |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$5.66M |
| 4 |
Jane Street
New York
|
-$5.34M |
| 5 |
TAM
Telemark Asset Management
Boston,
Massachusetts
|
-$4.41M |
ASPI Hedge Fund Activity: Q1 2026 in Review
177 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in ASP Isotopes (ASPI) for Q1 2026, worth a combined $283M — down 9.8% from $313M a quarter earlier.
Buyers outnumbered sellers: 42 funds opened new ASPI positions and 33 closed out — a net gain of 9 holders — while 78 added to existing stakes and 40 trimmed.
The largest buyer was Encompass Capital Advisors, opening a new position worth an estimated $40.9M. The largest seller was Alyeska Investment Group, cutting an estimated $13M.
- 177 institutional investors held ASP Isotopes (ASPI) as of Q1 2026, up from 173 in Q4 2025.
- Funds reported $283M of ASP Isotopes stock for Q1 2026, down 9.8% quarter-over-quarter.
- 42 funds opened new ASP Isotopes positions in Q1 2026 and 33 closed out, a net change of +9 holders.
- The largest ASP Isotopes buyer in Q1 2026 was Encompass Capital Advisors, an estimated $40.9M added.
- The largest ASP Isotopes seller in Q1 2026 was Alyeska Investment Group, an estimated $13M sold.
Based on aggregated 13F filings for Q1 2026.