ASPI NASDAQ
ASP Isotopes Inc. Common Stock
1W: -15.1%
1M: -7.8%
3M: -0.6%
YTD: -8.2%
1Y: -26.1%
3Y: +1048.9%
$5.55
+0.38 (+7.35%)
Weekly Expected Move ±14.1%
$4
$5
$6
$7
$7
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🏦 Institutional Activity
Latest: Q1 2026217
Institutions Holding
+8 vs prior
46.2%
Ownership
-119.12%
39
New
73
Increased
85
Reduced
53
Closed
👔 Insider Trades
25 records| Date | Name | Title | Type | Shares | Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026-04-16 | Moore Duncan | director | S-Sale | 11,642 | $5.21 | $61K | Filing |
| 2026-04-16 | Ainscow Robert | officer: coo | S-Sale | 22,500 | $5.21 | $117K | Filing |
| 2026-04-15 | Kiessling Heather | officer: chief financial officer | S-Sale | 23,124 | $5.48 | $127K | Filing |
| 2026-03-06 | Ainscow Robert | officer: coo | S-Sale | 25,000 | $4.51 | $113K | Filing |
| 2026-03-06 | Ainscow Robert | officer: coo | S-Sale | 8,438 | $5.44 | $46K | Filing |
| 2026-03-02 | Mann Paul Elliot | officer: executive chairman | S-Sale | 162,153 | $5.44 | $881K | Filing |
| 2025-12-18 | Gorley Michael | director | A-Grant/Award | 36,548 | $— | $0 | Filing |
| 2025-12-18 | Hunter Ralph L. JR | director | A-Grant/Award | 36,548 | $— | $0 | Filing |
| 2025-12-18 | Ryan Robert John Andrew | director | A-Grant/Award | 36,548 | $— | $0 | Filing |
| 2025-12-18 | Wider Todd | director | A-Grant/Award | 36,548 | $— | $0 | Filing |
| 2025-12-18 | Kiessling Heather | officer: chief financial officer | S-Sale | 80,000 | $5.80 | $464K | Filing |
| 2025-12-18 | Moore Duncan | director | A-Grant/Award | 36,548 | $— | $0 | Filing |
| 2025-12-08 | Ainscow Robert | officer: interim ceo and coo | S-Sale | 8,438 | $6.20 | $52K | Filing |
| 2025-12-01 | Mann Paul Elliot | officer: executive chairman | S-Sale | 162,153 | $5.75 | $933K | Filing |
| 2025-11-25 | Mann Paul Elliot | officer: executive officer | S-Sale | 50,000 | $5.77 | $288K | Filing |
| 2025-11-25 | Ainscow Robert | officer: interim ceo and coo | S-Sale | 25,000 | $5.77 | $144K | Filing |
| 2025-11-17 | Mann Paul Elliot | officer: executive officer | S-Sale | 112,500 | $7.51 | $845K | Filing |
| 2025-11-17 | Ainscow Robert | officer: interim ceo and coo | S-Sale | 67,500 | $7.51 | $507K | Filing |
| 2025-11-12 | Wider Todd | director | A-Grant/Award | 25,469 | $— | $0 | Filing |
| 2025-11-12 | Moore Duncan | director | A-Grant/Award | 25,469 | $— | $0 | Filing |
| 2025-10-14 | Ainscow Robert | officer: interim ceo and coo | S-Sale | 22,500 | $13.60 | $306K | Filing |
| 2025-09-30 | Gorley Michael | director | S-Sale | 64,000 | $9.75 | $624K | Filing |
| 2025-09-15 | Wider Todd | director | S-Sale | 74,108 | $8.76 | $649K | Filing |
| 2025-09-14 | Wider Todd | director | F-Tax Withholding | 21,892 | $8.77 | $192K | Filing |
| 2025-09-09 | Ainscow Robert | officer: chief operating officer | F-Tax Withholding | 4,396 | $8.53 | $37K | Filing |
🏛️ Congressional Trades
0 records| Date | Politician | Chamber | Type | Amount | Filing |
|---|---|---|---|---|---|
| No congressional trades found | |||||
🏦 Top Institutional Holders
20 holders| Holder | Shares | Value | Date Reported | Filing | |
|---|---|---|---|---|---|
| BlackRock, Inc. | 8,328,144 | $37M | +1,538,727 | 2026-03-31 | Filing |
| VANGUARD CAPITAL MANAGEMENT LLC | 5,060,464 | $22M | +5,060,464 | 2026-03-31 | Filing |
| Rovida Investment Management Ltd | 4,100,000 | $18M | — | 2026-03-31 | Filing |
| UBS Group AG | 2,841,709 | $13M | +435,252 | 2026-03-31 | Filing |
| GEODE CAPITAL MANAGEMENT, LLC | 2,740,464 | $12M | +356,398 | 2026-03-31 | Filing |
| STATE STREET CORP | 2,322,159 | $10M | +477,754 | 2026-03-31 | Filing |
| EXCHANGE TRADED CONCEPTS, LLC | 2,183,554 | $10M | +783,240 | 2026-03-31 | Filing |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,057,340 | $5M | -459,303 | 2026-03-31 | Filing |
| BARCLAYS PLC | 1,012,956 | $4M | +506,168 | 2026-03-31 | Filing |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 977,170 | $4M | +977,170 | 2026-03-31 | Filing |
| Diametric Capital, LP | 953,505 | $4M | +216,201 | 2026-03-31 | Filing |
| NORTHERN TRUST CORP | 937,523 | $4M | +191,614 | 2026-03-31 | Filing |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 897,236 | $4M | +11,497 | 2026-03-31 | Filing |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A | 887,245 | $4M | -57,081 | 2026-03-31 | Filing |
| VANGUARD FIDUCIARY TRUST CO | 753,316 | $3M | +753,316 | 2026-03-31 | Filing |
| JANE STREET GROUP, LLC | 684,479 | $3M | -902,482 | 2026-03-31 | Filing |
| Philadelphia Financial Management of San | 648,341 | $3M | +648,341 | 2026-03-31 | Filing |
| WIM INVESTMENT MANAGEMENT Ltd | 601,400 | $3M | — | 2026-03-31 | Filing |
| GROUP ONE TRADING LLC | 595,625 | $3M | +151,280 | 2026-03-31 | Filing |
| Sara-Bay Financial | 586,673 | $3M | +586,673 | 2026-03-31 | Filing |