ASP Isotopes Inc.

ASPI

Exchange: Nasdaq
Industry: Miscellaneous Chemical Products
SEC CIK: 0001921865

SEC filings (opens in a new tab)

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.

Q3 2024 vs. Q2 2024

How the institutions holding ASP Isotopes Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024 All holders in Q2 2024

13F holders of ASPI: Q2 2024 compared with Q3 2024
Measure	Q2 2024	Of which not filed for Q3 2024	Q3 2024	Change
Holders	51	1	69	+19
Shares	8.80M	2.14M	22.4M	+15.7M (+236.6%)
Value	$26.9M	$6.55M	$62.4M	+$42.1M (+207.2%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (26)

Institutions that held ASP Isotopes Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to ASPI in Q3 2024
Institution	Shares	Value	% of portfolio
AWM Investment Company, Inc.	3,659,586	$10.2M	1.23%
BlackRock, Inc.	2,702,629	$7.51M	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	2,247,826	$6.25M	0.02%
Telemark Asset Management, LLC	1,700,000	$4.73M	0.48%
Alyeska Investment Group, L.P.	747,022	$2.08M	0.01%
Diametric Capital, LP	291,969	$811.7K	0.40%
MMCAP International Inc. SPC	273,143	$759.3K	0.11%
Fiera Capital Corp	260,000	$722.8K	0.00%
Walleye Capital LLC	192,664	$535.6K	0.01%
Prelude Capital Management, LLC	106,328	$295.6K	0.02%
Sanctuary Advisors, LLC	23,642	$197.2K	0.00%
Corsair Capital Management, L.P.	56,732	$157.7K	0.04%
Verition Fund Management LLC	36,400	$101.2K	0.00%
Squarepoint Ops LLC	32,615	$90.7K	0.00%
AQR Capital Management LLC	32,054	$89.1K	0.00%
MetLife Investment Management	31,822	$88.5K	0.00%
Mirae Asset Global ETFs Holdings Ltd.	21,654	$60.2K	0.00%
Manufacturers Life Insurance Company, The	18,563	$51.6K	0.00%
National Asset Management, Inc.	15,009	$41.7K	0.00%
Leonteq Securities AG	13,339	$37.1K	0.00%
Russell Investments Group, Ltd.	6,539	$18.2K	0.00%
Tower Research Capital LLC (TRC)	3,828	$10.6K	0.00%
VitalStone Financial, LLC	1,560	$4.34K	0.00%
Nisa Investment Advisors, LLC	138	$384	0.00%
Sterling Capital Management LLC	41	$114	0.00%
Householder Group Estate & Retirement Specialist, LLC	300	$0	0.00%

Sold out (7)

Institutions that held ASP Isotopes Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of ASPI in Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
Renaissance Technologies LLC	171,800	$525.7K
Qube Research & Technologies Ltd	42,102	$128.8K
Jump Financial, LLC	34,000	$104.0K
Centiva Capital, LP	33,171	$101.5K
Omers Administration Corp	18,000	$55.1K
Boston Private Wealth LLC	11,000	$33.7K
SJS Investment Consulting Inc.	223	$683

Not filed for Q3 2024 yet (1)

Institutions that held ASP Isotopes Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ASPI in Q2 2024 that haven't filed for Q3 2024
Institution	Shares, Q2 2024	Value, Q2 2024
BlackRock Inc.	2,141,536	$6.55M