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ASP Isotopes Inc.

ASPI
Exchange
Nasdaq
Industry
Miscellaneous Chemical Products
SEC CIK
0001921865

In the last 90 days, ASP Isotopes Inc. insiders filed 0 open-market purchases and 8 sales; 185 institutions reported holding it in 13F filings for Q2 2026, worth $406.1M in total; no superinvestor holds it.

Q2 2026 vs. Q1 2026

How the institutions holding ASP Isotopes Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of ASPI: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders1774185+12
Shares63.8M64.6K65.4M+1.64M (+2.6%)
Value$282.5M$285.2K$406.1M+$123.9M (+43.9%)

4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (40)

Institutions that held ASP Isotopes Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to ASPI in Q2 2026
InstitutionSharesValue% of portfolio
Marshall Wace, LLP835,656$5.20M0.00%
Man Group plc828,377$5.15M0.01%
Aquatic Capital Management LLC163,978$1.02M0.04%
Point72 Asset Management, L.P.120,159$747.4K0.00%
Polymer Capital Management (US) LLC105,494$656.2K0.10%
Winton Group Ltd94,512$587.9K0.02%
Fort Washington Investment Advisors Inc67,136$417.6K0.00%
Kingsview Wealth Management, LLC54,102$336.5K0.00%
Bleakley Financial Group, LLC49,954$310.7K0.00%
American Century Companies Inc48,021$298.7K0.00%
Ninety One SA (PTY) Ltd40,489$251.8K0.01%
Jupiter Topco LLC39,000$242.8K0.00%
CenterBook Partners LP30,907$192.2K0.01%
Valeo Financial Advisors, LLC30,000$186.6K0.00%
Universal- Beteiligungs- und Servicegesellschaft mbH30,000$186.6K0.00%
Integrated Wealth Concepts LLC28,316$176.1K0.00%
Allstate Corp23,365$145.3K0.00%
MML Investors Services, LLC20,859$129.7K0.00%
Keebeck Alpha, LP18,606$115.7K0.24%
Persistent Asset Partners Ltd18,363$114.2K0.04%
Capital Asset Advisory Services LLC18,045$112.2K0.00%
Amundi17,212$107.1K0.00%
Jain Global LLC17,105$106.4K0.00%
State of Wisconsin Investment Board14,383$89.5K0.00%
Blueshift Asset Management, LLC14,178$88.2K0.02%
Axq Capital, LP12,922$80.4K0.01%
Silverberg Bernstein Capital Management LLC12,440$77.4K0.03%
KKM Financial LLC12,000$74.6K0.01%
Axxcess Wealth Management, LLC11,715$72.9K0.00%
Xponance, Inc.11,189$69.6K0.00%
Evelyn Partners Group Ltd5,000$31.1K0.00%
Global Retirement Partners, LLC1,000$6.22K0.00%
Quarry LP591$3.68K0.00%
SRS Capital Advisors, Inc.373$2.32K0.00%
Pinnacle Wealth Planning Services, Inc.242$1.50K0.00%
Rialto Wealth Management, LLC91$5670.00%
Bare Financial Services, Inc91$5660.00%
SJS Investment Consulting Inc.76$4730.00%
Clearstead Advisors, LLC2$130.00%
Hughes Financial Services, LLC2$120.00%

Sold out (28)

Institutions that held ASP Isotopes Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Not filed for Q2 2026 yet (4)

Institutions that held ASP Isotopes Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASPI in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC39,000$172.2K
Skopos Labs, Inc.18,868$83.4K
Evelyn Partners Investment Management LLP5,000$22.1K
CWM, LLC1,694$7.49K