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ASP Isotopes (ASPI) Institutional Ownership

ASP Isotopes logo
$1.72 -0.16 (-8.29%)
As of 12:54 PM Eastern
This is a fair market value price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for ASP Isotopes (NASDAQ:ASPI)

Current
Institutional Ownership
Percentage
16.80%
Number of
Institutional Buyers
(last 12 months)
118
Total
Institutional Inflows
(last 12 months)
$216.48M
Number of
Institutional Sellers
(last 12 months)
38
Total
Institutional Outflows
(last 12 months)
$44.92M
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ASPI Institutional Buying and Selling by Quarter

ASP Isotopes Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/13/2026Polymer Capital Management US LLC25,123$67K0.0%-76.2%0.016%
11/12/2026State Street Corp2,897,687$7.68M0.0%-44.2%1.890%
11/12/2026Rathbones Group PLC415,984$1.10M0.0%+9.0%0.271%
11/11/2026 Private Advisor Group LLC27,440$73K0.0%N/A0.018%
11/10/2026 Voya Investment Management LLC27,468$73K0.0%+24.3%0.018%
11/6/2026 Russell Investments Group Ltd.38,222$101K0.0%-79.0%0.025%
11/2/2026 Pekin Hardy Strauss Inc.16,000$42K0.0%-78.5%0.010%
10/23/2026 Wedbush Securities Inc.10,095$27K0.0%N/A0.007%
10/23/2026 Inspire Investing LLC236,320$626K0.0%N/A0.154%
10/22/2026 SBI Securities Co. Ltd.182,283$483K0.0%+14.4%0.119%
9/9/2026WINTON GROUP Ltd94,512$588K0.0%N/A0.062%
9/9/2026Integrated Wealth Concepts LLC28,316$176K0.0%N/A0.018%
9/9/2026 Squarepoint Ops LLC123,951$771K0.0%+75.6%0.081%
9/8/2026 Allworth Financial LP8,221$51K0.0%-33.9%0.005%
8/26/2026 Amundi17,212$107K0.0%N/A0.011%
8/21/2026AXQ Capital LP12,922$80K0.0%N/A0.008%
8/20/2026Headlands Technologies LLC240,197$1.49M0.2%+219.6%0.157%
8/20/2026Alyeska Investment Group L.P.2,843,503$17.69M0.0%+5.6%1.855%
8/20/2026 Penn Capital Management Company LLC70,757$440K0.0%-10.2%0.046%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC161,219$1.00M0.0%+43.3%0.105%
8/19/2026Kingsview Wealth Management LLC54,102$337K0.0%N/A0.035%
8/18/2026Empowered Funds LLC225,089$1.40M0.0%N/A0.147%
8/17/2026Philadelphia Financial Management of San Francisco LLC1,343,007$8.35M0.0%N/A0.876%
8/17/2026Bank of America Corp DE709,057$4.41M0.0%N/A0.462%
8/15/2026Man Group plc828,377$5.15M0.0%N/A0.540%
8/15/2026Jupiter Topco LLC39,000$243K0.0%N/A0.025%
8/15/2026AWM Investment Company Inc.1,581,490$9.84M0.9%N/A1.032%
8/14/2026Legal & General Group Plc86,951$541K0.0%N/A0.057%
8/14/2026The Manufacturers Life Insurance Company30,656$191K0.0%N/A0.020%
8/13/2026Sanctuary Advisors LLC32,195$200K0.0%N/A0.021%
8/12/2026Quantbot Technologies LP9,707$60K0.0%N/A0.006%
8/11/2026 Allworth Financial LP8,221$51K0.0%N/A0.005%
8/10/2026Tocqueville Asset Management L.P.20,000$124K0.0%N/A0.013%
8/8/2026 Wealthfront Advisers LLC13,188$82K0.0%N/A0.009%
8/7/2026BlackRock Inc.9,217,198$57.33M0.0%N/A6.012%
8/7/2026 Deutsche Bank AG120,367$749K0.0%N/A0.079%
8/7/2026Persistent Asset Partners Ltd18,363$114K0.0%N/A0.012%
8/6/2026Fielder Capital Group LLC18,083$112K0.0%N/A0.012%
8/6/2026 Bank of New York Mellon Corp356,872$2.22M0.0%N/A0.233%
7/9/2026 Valeo Financial Advisors LLC30,000$187K0.0%N/A0.024%
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7/8/2026 FNY Investment Advisers LLC80,100$498K0.2%-7.5%0.064%
6/18/2026Pacer Advisors Inc.503,925$2.23M0.0%+24.6%0.400%
6/16/2026Empowered Funds LLC185,953$822K0.0%+38.2%0.148%
6/9/2026Rathbones Group PLC386,566$1.71M0.0%-3.3%0.307%
5/19/2026Bank of America Corp DE168,997$747K0.0%-26.8%0.134%
5/18/2026Royal Bank of Canada37,954$167K0.0%+18.4%0.030%
5/18/2026Empowered Funds LLC185,953$822K0.0%+38.2%0.148%
5/18/2026Encompass Capital Advisors LLC6,912,054$30.55M0.9%N/A5.490%
5/16/2026The Manufacturers Life Insurance Company30,503$135K0.0%+8.8%0.024%
5/16/2026Quantinno Capital Management LP33,067$146K0.0%-41.8%0.026%
5/15/2026Broadhurst Jeffrey B10,000$44K0.0%N/A0.008%
5/14/2026 Sei Investments Co.148,648$657K0.0%+93.0%0.118%
5/14/2026 State of Wyoming6,552$29K0.0%N/A0.005%
5/13/2026Cetera Investment Advisers114,817$507K0.0%+61.0%0.091%
5/5/2026 Wealthfront Advisers LLC10,149$45K0.0%N/A0.008%
5/5/2026 Bank of New York Mellon Corp289,009$1.28M0.0%+18.5%0.230%
5/5/2026Sanctuary Advisors LLC24,615$109K0.0%+22.2%0.020%
4/28/2026Stephens Inc. AR10,000$44K0.0%N/A0.008%
4/27/2026PFG Investments LLC152,300$673K0.0%-16.2%0.121%
4/27/2026 Leonteq Securities AG9,000$40K0.0%-68.4%0.007%
4/22/2026 Patriot Financial Group Insurance Agency LLC44,980$199K0.0%+106.1%0.036%
4/17/2026 Sara Bay Financial586,673$2.59M0.8%N/A0.466%
4/16/2026SG Americas Securities LLC97,985$433K0.0%N/A0.078%
4/16/2026 Allegheny Financial Group40,649$180K0.0%+17.9%0.032%
3/3/2026 Caitong International Asset Management Co. Ltd34,983$187K0.0%+177.2%0.032%
2/24/2026Pacer Advisors Inc.404,372$2.16M0.0%N/A0.365%
2/19/2026 Compound Planning Inc.15,334$82K0.0%N/A0.014%
2/19/2026Invesco Ltd.59,553$319K0.0%-58.4%0.054%
2/18/2026Mercer Global Advisors Inc. ADV25,550$137K0.0%+21.3%0.023%
2/18/2026Empowered Funds LLC134,602$720K0.0%N/A0.121%
2/18/2026VARCOV Co.188,649$1.01M0.4%N/A0.170%
2/18/2026SummitTX Capital L.P.14,128$76K0.0%N/A0.013%
2/18/2026Saba Capital Management L.P.356,377$1.91M0.1%N/A0.322%
2/18/2026Moore Capital Management LP80,000$428K0.0%-60.0%0.072%
2/18/2026Janus Henderson Group PLC39,000$208K0.0%N/A0.035%
2/18/2026Caption Management LLC13,800$74K0.0%-110.5%0.012%
2/18/2026Balyasny Asset Management L.P.80,527$431K0.0%+87.8%0.073%
2/17/2026Guggenheim Capital LLC13,415$72K0.0%N/A0.012%
2/17/2026Schonfeld Strategic Advisors LLC414,875$2.22M0.0%+107.6%0.374%
2/17/2026Burkehill Global Management LP250,000$1.34M0.1%N/A0.226%
2/17/2026AQR Capital Management LLC29,356$157K0.0%-91.1%0.026%
2/17/2026Cetera Investment Advisers71,307$381K0.0%+453.9%0.064%
2/17/2026Price T Rowe Associates Inc. MD49,044$263K0.0%-95.3%0.044%
2/17/2026Advisory Services Network LLC34,372$184K0.0%+10.0%0.031%
2/17/2026Corsair Capital Management L.P.15,000$80K0.0%-40.0%0.014%
2/17/2026Arosa Capital Management LP200,000$1.07M0.1%N/A0.180%
2/17/2026California State Teachers Retirement System77,208$413K0.0%+1,949.6%0.070%
2/17/2026 Russell Investments Group Ltd.145,463$778K0.0%+14.9%0.131%
2/17/2026Atom Investors LP44,661$239K0.0%N/A0.040%
2/17/2026Royal Bank of Canada32,048$172K0.0%-70.2%0.029%
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2/17/2026Graham Capital Management L.P.66,998$358K0.0%N/A0.060%
2/16/2026 Squarepoint Ops LLC27,481$147K0.0%-95.6%0.025%
2/16/2026Verition Fund Management LLC187,728$1.00M0.0%-48.4%0.169%
2/16/2026MML Investors Services LLC14,586$78K0.0%-70.1%0.013%
2/16/2026 Fortitude Advisory Group L.L.C.25,995$139K0.1%N/A0.023%
2/16/2026Evelyn Partners Investment Management LLP5,000$27K0.0%-50.0%0.005%
2/13/2026Marshall Wace LLP818,129$4.38M0.0%-36.0%0.738%
2/13/2026The Manufacturers Life Insurance Company 28,033$150K0.0%+12.1%0.025%
2/13/2026Southport Management L.L.C.85,000$455K1.6%+183.3%0.077%
2/13/2026Stifel Financial Corp109,852$588K0.0%-6.9%0.099%


ASPI Institutional Ownership - Frequently Asked Questions

During the previous two years, 178 institutional investors and hedge funds held shares of ASP Isotopes. The most heavily invested institutionals were BlackRock Inc. ($57.33M), Vanguard Group Inc. ($43.45M), Encompass Capital Advisors LLC ($30.55M), Rovida Investment Management Ltd ($21.89M), Capital Research Global Investors ($19.66M), Alyeska Investment Group L.P. ($17.69M), and Rovida Advisors Inc. ($16.15M).Learn more on ASP Isotopes' institutional investors.

16.80% of ASP Isotopes' stock is owned by institutional investors. Learn more on ASPI's institutional investor holdings.

Of the 162 institutional investors that purchased ASP Isotopes' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($9.22M), Encompass Capital Advisors LLC ($6.91M), Rovida Investment Management Ltd ($4.10M), AWM Investment Company Inc. ($2.43M), Philadelphia Financial Management of San Francisco LLC ($2.31M), Alyeska Investment Group L.P. ($2.22M), and Rovida Advisors Inc. ($2.20M).

Institutional investors have bought a total of 37,373,545 shares in the last 24 months. This purchase volume represents approximately $216.48M in transactions.

Of the 36 institutional investors that sold ASP Isotopes' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: State Street Corp ($2.29M), Alyeska Investment Group L.P. ($1.36M), Price T Rowe Associates Inc. MD ($998.71K), AWM Investment Company Inc. ($834.10K), Squarepoint Ops LLC ($597.33K), Telemark Asset Management LLC ($500K), and Marshall Wace LLP ($460.99K).

Institutional investors have sold a total of 8,580,366 shares in the last 24 months. This volume of shares sold represents approximately $44.92M in transactions.


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Institutional ownership data for NASDAQ:ASPI is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/13/2026. New 13F filings are added each quarter as they're published.
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