ASP Isotopes Inc. — Institutional Ownership

Which tracked institutions hold ASPI, and how they changed the position last quarter. Latest holdings as of Mar 31, 2026. Source: SEC 13-F filings.

18
Funds holding
$70983086
Total value held
Buying
14 added/new · 4 reduced
# Institution Value Shares Δ Shares Change (QoQ)
1 Blackrock, Inc. $36810397 8328144 +1538727 +22.66%
2 State Street Corp $10263943 2322159 +477754 +25.90%
3 Morgan Stanley $6967746 1576413 -133370 -7.80%
4 Barclays Plc $4477265 1012956 NEW BUY
5 Northern Trust Corp $4143852 937523 +191614 +25.69%
6 Goldman Sachs Group Inc $2440702 552195 -1173097 -67.99%
7 Bank Of New York Mellon Corp $1277422 289009 +45022 +18.45%
8 Bank Of Montreal /Can/ $1024436 231773 NEW BUY
9 Bank Of America Corp /De/ $746966 168997 -61859 -26.80%
10 Wells Fargo & Company/Mn $704440 131671 +84605 +179.76%
11 Sei Investments Co $657024 148648 NEW BUY
12 Marex Group Plc $405314 91700 +9165 +11.10%
13 Citigroup Inc $403134 75352 +60599 +410.76%
14 Invesco Ltd. $318608 59553 -83754 -58.44%
15 Janus Henderson Group Plc $172185 39000 NEW BUY
16 Royal Bank Of Canada $167000 37954 NEW BUY
17 Pnc Financial Services Group, Inc. $2387 540 +447 +480.65%
18 Us Bancorp \De\ $265 60 NEW BUY

Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.