HolderBook

ASP ISOTOPES INC (ASPI)

Institutional ownership reported to the SEC as of Q2 2026, across 15 quarters.

186
Reporting holders
$491.5M
Reported value
53.6%
Of shares outstanding
14.8%
Held as options
+15
Holder change

Institutions report 67,484,081 shares against 125,903,447 outstanding. Shares only - option lines are excluded, which is why this can be compared with the company at all. The count comes from the cover page of the company's own most recent report, so it is dated when that was filed rather than at quarter end.

Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.

Holders

FilerValueShares Their book Held Change
BlackRock, Inc.$57.3M9,217,1980.00%8q+10.7%+$5.5M
Encompass Capital Advisors LLC$40.8M6,561,7541.45%2q-5.1%-$2.2M
VANGUARD CAPITAL MANAGEMENT LLC$31.0M4,982,9530.00%2q-1.5%-$482.1K
SUSQUEHANNA INTERNATIONAL GROUP, LLP$28.3M705,1530.00%9q-33.3%-$14.1M
EXCHANGE TRADED CONCEPTS, LLC$28.1M4,511,0180.06%5q+106.6%+$14.5M
Rovida Investment Management Ltd$25.5M4,100,0001.74%7qHELD
UBS Group AG$23.4M3,247,6330.00%9q+14.3%+$2.9M
GEODE CAPITAL MANAGEMENT, LLC$18.3M2,945,9010.00%12q+7.5%+$1.3M
Alyeska Investment Group, L.P.$17.7M2,843,5030.05%5q+5.6%+$941.3K
STATE STREET CORP$16.1M2,595,5730.00%11q+11.8%+$1.7M
CITADEL ADVISORS LLC$10.7M357,5910.00%7q-53.4%-$12.2M
AWM Investment Company, Inc.$9.8M1,581,4900.85%8q-25.6%-$3.4M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.$9.8M1,577,0160.01%8q+77.7%+$4.3M
GROUP ONE TRADING LLC$9.7M458,3830.01%7q-23.0%-$2.9M
PEAK6 LLC$8.5Moptions only0.02%6qOPTIONS
Philadelphia Financial Management of San Francisco, LLC$8.4M1,343,0071.68%2q+107.1%+$4.3M
JANE STREET GROUP, LLC$8.3M21,0940.00%10q-96.9%-$262.2M
MORGAN STANLEY$7.2M1,162,3200.00%10q-26.3%-$2.6M
VANGUARD PORTFOLIO MANAGEMENT LLC$6.9M1,115,3910.00%2q+14.1%+$859.7K
NORTHERN TRUST CORP$6.3M1,007,2140.00%12q+7.4%+$433.5K
CHARLES SCHWAB INVESTMENT MANAGEMENT INC$5.8M935,3520.00%9q+4.2%+$237.1K
Sixth Street Partners Management Company, L.P.$5.8M935,3520.00%newNEW
BARCLAYS PLC$5.3M847,7810.00%9q-16.3%-$1.0M
MARSHALL WACE, LLP$5.2M835,6560.00%newNEW
Man Group plc$5.2M828,3770.01%newNEW
VANGUARD FIDUCIARY TRUST CO$4.9M788,5610.00%2q+4.7%+$219.2K
IMC-Chicago, LLC$4.6Moptions only0.00%3qOPTIONS
BANK OF AMERICA CORP /DE/$4.4M709,0570.00%9q+319.6%+$3.4M
GOLDMAN SACHS GROUP INC$3.6M576,2760.00%10q+9.4%+$307.8K
WIM INVESTMENT MANAGEMENT Ltd$3.4M541,4001.10%3q-10.0%-$373.2K
Diametric Capital, LP$3.3M538,5170.35%8q-43.5%-$2.6M
Nuveen, LLC$3.1M493,4210.00%6q+137.9%+$1.8M
Creek Drive Management Group LLC$2.6Moptions only1.28%2qOPTIONS
SIMPLEX TRADING, LLC$2.6M13,6640.00%7q-77.8%-$9.0M
Shay Capital LLC$2.6M413,0000.17%5q-3.8%-$102.6K
Rathbones Group PLC$2.4M381,6190.01%11q-1.3%-$30.8K
Bank of New York Mellon Corp$2.2M356,8720.00%9q+23.5%+$422.1K
Caprock Group, LLC$2.0M321,3650.04%4qHELD
Crawford Fund Management, LLC$1.9Moptions only0.30%4qOPTIONS
HITE Hedge Asset Management LLC$1.9M301,8370.10%3q-7.5%-$151.7K
BANK OF MONTREAL /CAN/$1.6M262,5600.00%7q+13.3%+$191.5K
Saba Capital Management, L.P.$1.6M261,4700.04%3q-26.9%-$598.1K
JPMORGAN CHASE & CO$1.5M241,0540.00%12q-11.9%-$201.6K
Headlands Technologies LLC$1.5M240,1970.16%2q+219.6%+$1.0M
Empowered Funds, LLC$1.4M225,0890.01%3q+21.0%+$243.4K
DNB Asset Management AS$1.3M214,8800.00%2q+259.4%+$964.7K
Swiss National Bank$1.3M214,7000.00%3q+2.2%+$28.6K
Invesco Ltd.$1.3M203,9760.00%9q+260.2%+$916.5K
NATIONAL BANK OF CANADA /FI/$1.2M100,0000.00%7q+16.1%+$172.7K
Purewater Capital LLC$1.2M194,3870.87%2q-8.2%-$108.6K
Russell Investments Group, Ltd.$1.1M181,7760.00%8q+24.8%+$224.8K
Chicago Partners Investment Group LLC$1.1M265,4590.02%3q-29.0%-$439.2K
STIFEL FINANCIAL CORP$1.0M166,0340.00%5q+37.8%+$283.1K
Point72 Asset Management, L.P.$1.0M120,1590.00%2qHELD
Aquatic Capital Management LLC$1.0M163,9780.04%newNEW
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC$1.0M161,2190.00%3q+43.3%+$303.2K
SBI Securities Co., Ltd.$991.1K159,3460.02%7q-3.2%-$32.9K
Cetera Investment Advisers$951.4K152,9650.00%4q+33.2%+$237.3K
POLEN CAPITAL MANAGEMENT LLC$930.3K149,5590.01%5q+21.6%+$165.4K
RHUMBLINE ADVISERS$878.8K141,2840.00%9q+20.1%+$146.8K
Squarepoint Ops LLC$771.0K123,9510.00%4q+75.6%+$331.9K
CITIGROUP INC$754.5K121,3090.00%10q+61.4%+$287.0K
DEUTSCHE BANK AG\$748.7K120,3670.00%9q+28.5%+$166.1K
WELLS FARGO & COMPANY/MN$722.3K116,1190.00%12q+16.7%+$103.6K
Centiva Capital, LP$662.6K31,5260.01%4q-13.7%-$105.5K
Polymer Capital Management (US) LLC$656.2K105,4940.09%newNEW
Marex Group Ltd$622.6K100,1000.00%7q+9.2%+$52.2K
WINTON GROUP Ltd$587.9K94,5120.02%newNEW
D. E. Shaw & Co., Inc.$580.9Koptions only0.00%newOPTIONS
OSAIC HOLDINGS, INC.$570.5K89,8760.00%6q+66.5%+$227.9K
Legal & General Group Plc$540.8K86,9510.00%9q+56.9%+$196.1K
ALLIANCEBERNSTEIN L.P.$476.4K107,7900.00%2q+178.1%+$305.1K
Pekin Hardy Strauss, Inc.$463.1K74,4500.04%4q-15.8%-$87.1K
VANGUARD ASSET MANAGEMENT, Ltd$462.2K74,3080.00%2qHELD
Penn Capital Management Company, LLC$440.1K70,7570.03%5q-10.2%-$50.2K
SEI INVESTMENTS CO$434.1K69,7960.00%3q-53.0%-$490.5K
MetLife Investment Management, LLC$433.7K69,7270.00%8q+9.7%+$38.2K
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/$417.6K67,1360.00%newNEW
PRELUDE CAPITAL MANAGEMENT, LLC$413.7K66,5050.03%8q-56.7%-$542.0K
Farther Finance Advisors, LLC$389.5K62,6180.00%5q-58.3%-$544.9K
MH & ASSOCIATES SECURITIES MANAGEMENT CORP /ADV$387.3K62,2650.35%3q+24.3%+$75.7K
Creative Planning$346.9K55,7790.00%5q+34.1%+$88.3K
Kingsview Wealth Management, LLC$336.5K54,1020.00%newNEW
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.$333.6K53,6380.00%8q+0.6%+$1.9K
Bleakley Financial Group, LLC$310.7K49,9540.00%newNEW
AMERICAN CENTURY COMPANIES INC$298.7K48,0210.00%newNEW
Vanguard Global Advisers, LLC$267.6K43,0190.00%2qHELD
Ninety One SA (Pty) Ltd$251.8K40,4890.01%newNEW
Brevan Howard Capital Management LP$246.2K39,5760.00%4q+126.6%+$137.5K
Jupiter Topco LLC$242.8K39,0000.00%newFIRST
PFG Investments, LLC$238.8K38,4000.01%6q-74.8%-$708.5K
ROYAL BANK OF CANADA$238.0K38,2320.00%9q+1.0%+$2.3K
Advisory Services Network, LLC$216.8K34,1620.00%5q-15.1%-$38.6K
Police & Firemen's Retirement System of New Jersey$210.8K33,8880.00%7qHELD
Sanctuary Advisors, LLC$200.3K32,1950.00%8q+30.8%+$47.1K
KLP KAPITALFORVALTNING AS$196.6K31,6000.00%3qHELD
Quantinno Capital Management LP$193.4K31,0870.00%3q-6.0%-$12.3K
CenterBook Partners LP$192.2K30,9070.01%newNEW
MANUFACTURERS LIFE INSURANCE COMPANY, THE$190.7K30,6560.00%8q+0.5%
INTECH INVESTMENT MANAGEMENT LLC$190.7K30,6550.00%7q+15.9%+$26.1K

Showing the largest 100 of 192 reported holders.

Quarter by quarter

Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.

QuarterHoldersValue SharesNewAdded TrimmedOptions
Q2 2026186$491.5M67,484,08140695014.8%
Q1 2026171$334.3M62,940,37632703816.7%
Q4 2025168$373.9M57,046,83348713318.4%
Q3 2025148$606.3M51,880,43843642717.7%
Q2 2025123$334.6M38,724,62341442314.8%
Q1 202596$144.6M28,330,8901834218.1%
Q4 202489$129.6M27,254,5133729194.7%
Q3 202462$54.0M19,367,396233050.0%
Q2 202446$25.5M8,338,622271080.0%
Q1 202426$14.0M3,378,833141020.0%
Q4 202316$2.2M1,245,5507620.0%
Q3 202310$196.9K207,1898020.0%
Q2 20234$752.4K551,4823100.0%
Q1 20234$2.7M3,209,3772100.0%
Q4 20223$26.3K47,2123000.0%