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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.

New
Increased
Maintained
Reduced
Closed

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)

Holders
177
Holders Change
+4
Holders Change %
+2.31%
% of All Funds
2.18%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
42
Increased
78
Reduced
40
Closed
33
Calls
$40.4M
Puts
$15.4M
Net Calls
+$25M
Net Calls Change
+$2.65M

Top Buyers

1
ECA
Encompass Capital Advisors
New York
+$40.9M
2
BlackRock
BlackRock
New York
+$9.1M
3
ETC
Exchange Traded Concepts
Oklahoma
+$4.63M
4
PFMOSF
Philadelphia Financial Management of San Francisco
California
+$3.83M
5
SBF
Sara-Bay Financial
Florida
+$3.47M

Top Sellers

1
Alyeska Investment Group
Alyeska Investment Group
Illinois
-$13M
2
Goldman Sachs
Goldman Sachs
New York
-$7.03M
3
Citadel Advisors
Citadel Advisors
Florida
-$5.66M
4
Jane Street
Jane Street
New York
-$5.34M
5
TAM
Telemark Asset Management
Massachusetts
-$4.41M
Name Holding Trade Value Shares
Change 		Change in
Stake
SEI Investments
51
SEI Investments
Pennsylvania
$657K +$424K +71,644 +93%
MCM
52
Massar Capital Management
Connecticut
$651K – – –
Russell Investments Group
53
Russell Investments Group
United Kingdom
$644K +$970 +164 +0.1%
FFA
54
Farther Finance Advisors
California
$617K +$152K +25,653 +21%
Polen Capital Management
55
Polen Capital Management
Florida
$544K -$97.8K -16,541 -12%
Stifel Financial
56
Stifel Financial
Missouri
$533K +$63.1K +10,673 +10%
RhumbLine Advisers
57
RhumbLine Advisers
Massachusetts
$520K +$95.5K +16,141 +16%
Cetera Investment Advisers
58
Cetera Investment Advisers
Illinois
$507K +$257K +43,510 +61%
UBS AM
59
UBS AM
Illinois
$497K +$59.7K +10,100 +10%
BAM
60
Belpointe Asset Management
Nevada
$449K +$601K +101,562 New
CIC
61
Canal Insurance Company
South Carolina
$442K – – –
SG Americas Securities
62
SG Americas Securities
New York
$433K +$580K +97,985 New
Deutsche Bank
63
Deutsche Bank
Germany
$414K +$148K +25,038 +36%
MG
64
Marex Group
$405K +$38.4K +6,499 +8%
PHS
65
Pekin Hardy Strauss
Illinois
$391K +$365K +61,750 +231%
FIA
66
FNY Investment Advisers
New York
$382K +$8.87K +1,500 +2%
National Bank of Canada
67
National Bank of Canada
Quebec, Canada
$380K +$140K +23,723 +38%
T. Rowe Price Associates
68
T. Rowe Price Associates
Maryland
$357K +$187K +31,597 +64%
PEAK6
69
PEAK6
Illinois
$350K +$414K +69,932 +754%
PCM
70
Penn Capital Management
Pennsylvania
$348K -$284K -48,094 -38%
California State Teachers Retirement System (CalSTRS)
71
California State Teachers Retirement System (CalSTRS)
California
$346K +$5.94K +1,004 +1%
Balyasny Asset Management
72
Balyasny Asset Management
Illinois
$338K -$23.7K -4,006 -5%
HT
73
Headlands Technologies
Illinois
$332K +$445K +75,166 New
Citigroup
74
Citigroup
New York
$332K -$1.12K -190 -0.3%
VAM
75
Vanguard Asset Management
$328K +$439K +74,308 New
1 2
3
4 5

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.