ASP Isotopes Ownership | Who Owns ASP Isotopes?


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ASP Isotopes Ownership Summary


ASP Isotopes is owned by 19.84% institutional investors, 17.28% insiders, and 62.88% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.67% of ASPI shares.

ASPI Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockASP Isotopes19.84%17.28%62.88%
SectorBasic Materials Stocks 32.98%12.17%54.85%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Blackrock funding, inc. /de6.79M7.67%$36.32M
Vanguard group6.41M7.23%$34.27M
Rovida investment management4.10M4.63%$21.89M
Alyeska investment group2.82M3.87%$27.15M
Ubs group2.41M2.72%$12.87M
Geode capital management2.38M2.69%$12.76M
Awm investment company2.12M2.40%$11.37M
Philadelphia financial management of san francisco1.66M2.28%$15.98M
Driehaus capital management1.42M1.94%$13.66M
Goldman sachs group1.72M1.94%$9.18M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Rovida investment management4.10M2.98%$21.89M
Philadelphia financial management of san francisco1.66M1.79%$15.98M
Diametric capital, lp355.68K1.27%$3.42M
Southport management30.00K1.19%$288.60K
Awm investment company2.12M1.10%$11.37M
Wim investment management601.40K0.83%$3.22M
Telemark asset management825.00K0.44%$4.41M
Scientech research64.39K0.22%$619.41K
Caitong asset management13.92K0.20%$74.45K
Encompass capital advisors500.00K0.17%$4.81M

Top Buyers

HolderShares% AssetsChange
Vanguard group6.41M0.00%1.89M
Ubs group2.41M0.00%1.45M
Blackrock funding, inc. /de6.79M0.00%1.33M
Goldman sachs group1.72M0.00%1.31M
Morgan stanley1.71M0.00%1.27M

Top Sellers

HolderShares% AssetsChange
Rovida advisors---2.20M
Capital research global investors---2.04M
Alyeska investment group2.82M0.08%-1.36M
Bnp paribas asset management663.94K0.02%-1.30M
Philadelphia financial management of san francisco1.66M1.79%-1.01M

New Positions

HolderShares% AssetsChangeValue
Jump financial934.50K0.11%934.50K$8.99M
Squarepoint ops624.81K0.01%624.81K$6.01M
Wim investment management601.40K0.83%601.40K$3.22M
Encompass capital advisors500.00K0.17%500.00K$4.81M
Concentric capital strategies, lp218.05K0.09%218.05K$2.10M

Sold Out

HolderChange
Eversource wealth advisors-12.00
Us bancorp \de\-20.00
Skopos labs-82.00
Parkside financial bank & trust-105.00
Advisornet financial-120.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 202543-75.00%17,565,242-66.80%190.38%34-70.18%4-87.50%
Sep 30, 202547-67.13%11,223,896-74.27%150.39%27-72.16%12-45.45%
Jun 30, 202513934.95%43,501,04834.24%621.85%9360.34%22-12.00%
Mar 31, 20254-95.83%4,870,522-84.46%60.27%4-94.03%--100.00%
Dec 31, 20249950.00%32,397,78344.75%523.98%7025.00%18200.00%

Recent Insider Transactions


DateNameRoleActivityValue
Mar 06, 2026Ainscow Robert COOSell$45.89K
Mar 02, 2026Mann Paul Elliot Executive ChairmanBuy$881.46K
Dec 18, 2025Kiessling Heather Chief Financial OfficerSell$463.84K
Dec 08, 2025Ainscow Robert Interim CEO and COOSell$52.34K
Dec 01, 2025Mann Paul Elliot Executive ChairmanSell$932.87K

Insider Transactions Trends


DateBuySell
2026 Q1-2
2025 Q4-8
2025 Q3-6
2025 Q2-6
2024 Q4--

ASPI Ownership FAQ


Who owns the most shares of ASP Isotopes?

ASP Isotopes’s largest shareholders are Blackrock funding, inc. /de (6.79M shares, 7.67%), Vanguard group (6.41M shares, 7.23%), and Rovida investment management (4.1M shares, 4.63%). Together, they hold 19.53% of ASP Isotopes’s total shares outstanding.

Does Blackrock own ASP Isotopes?

BlackRock is not among the top 10 institutional shareholders of ASP Isotopes.

Who is ASP Isotopes’s biggest shareholder by percentage of total assets invested?

Rovida investment management is ASP Isotopes’s biggest shareholder by percentage of total assets invested, with 2.98% of its assets in 4.1M ASP Isotopes shares, valued at 21.89M$.

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